feat: add sample sheet to accounts and bank transactions

fix: import resources improvements

.env.example

@@ -63,4 +63,35 @@ GOTENBERG_DOCS_URL=http://server:3000/public/
 EXCHANGE_RATE_SERVICE=open-exchange-rate
 
 # Open Exchange Rate
-OPEN_EXCHANGE_RATE_APP_ID=
+OPEN_EXCHANGE_RATE_APP_ID=
+
+# The Plaid environment to use ('sandbox' or 'development').
+# https://plaid.com/docs/#api-host
+PLAID_ENV=sandbox
+
+# Your Plaid keys, which can be found in the Plaid Dashboard.
+# https://dashboard.plaid.com/account/keys
+PLAID_CLIENT_ID=
+PLAID_SECRET_DEVELOPMENT=
+PLAID_SECRET_SANDBOX=
+
+PLAID_LINK_WEBHOOK=
+
+# (Optional) Redirect URI settings section
+# Only required for OAuth redirect URI testing (not common on desktop):
+# Sandbox Mode:
+# Set the PLAID_SANDBOX_REDIRECT_URI below to 'http://localhost:3001/oauth-link'.
+# The OAuth redirect flow requires an endpoint on the developer's website
+# that the bank website should redirect to. You will also need to configure
+# this redirect URI for your client ID through the Plaid developer dashboard
+# at https://dashboard.plaid.com/team/api.
+# Development mode:
+# When running in development mode, you must use an https:// url.
+# You will need to configure this https:// redirect URI in the Plaid developer dashboard.
+# Instructions to create a self-signed certificate for localhost can be found at
+# https://github.com/plaid/pattern/blob/master/README.md#testing-oauth.
+# If your system is not set up to run localhost with https://, you will be unable to test
+# the OAuth in development and should leave the PLAID_DEVELOPMENT_REDIRECT_URI blank.
+
+PLAID_SANDBOX_REDIRECT_URI=
+PLAID_DEVELOPMENT_REDIRECT_URI=

packages/server/package.json

@@ -25,6 +25,7 @@
     "@types/i18n": "^0.8.7",
     "@types/knex": "^0.16.1",
     "@types/mathjs": "^6.0.12",
+    "@types/yup": "^0.29.13",
     "accepts": "^1.3.7",
     "accounting": "^0.4.1",
     "agenda": "^4.2.1",
@@ -53,7 +54,6 @@
     "express": "^4.17.1",
     "express-basic-auth": "^1.2.0",
     "express-boom": "^3.0.0",
-    "express-fileupload": "^1.1.7-alpha.3",
     "express-oauth-server": "^2.0.0",
     "express-validator": "^6.12.2",
     "form-data": "^4.0.0",
@@ -77,6 +77,7 @@
     "moment-timezone": "^0.5.43",
     "mongodb": "^6.1.0",
     "mongoose": "^5.10.0",
+    "multer": "1.4.5-lts.1",
     "mustache": "^3.0.3",
     "mysql": "^2.17.1",
     "mysql2": "^1.6.5",
@@ -91,19 +92,22 @@
     "pluralize": "^8.0.0",
     "pug": "^3.0.2",
     "puppeteer": "^10.2.0",
+    "plaid": "^10.3.0",
     "qim": "0.0.52",
     "ramda": "^0.27.1",
     "rate-limiter-flexible": "^2.1.14",
     "reflect-metadata": "^0.1.13",
     "rtl-detect": "^1.0.4",
     "source-map-loader": "^4.0.1",
+    "socket.io": "^4.7.4",
     "tmp-promise": "^3.0.3",
     "ts-transformer-keys": "^0.4.2",
     "tsyringe": "^4.3.0",
     "typedi": "^0.8.0",
     "uniqid": "^5.2.0",
     "winston": "^3.2.1",
-    "xlsx": "^0.18.5"
+    "xlsx": "^0.18.5",
+    "yup": "^0.28.1"
   },
   "devDependencies": {
     "@types/lodash": "^4.14.158",

packages/server/resources/locales/ar.json

@@ -242,7 +242,7 @@
   "account.field.normal.credit": "دائن",
   "account.field.normal.debit": "مدين",
   "account.field.type": "نوع الحساب",
-  "account.field.active": "Activity",
+  "account.field.active": "Active",
   "account.field.balance": "الرصيد",
   "account.field.created_at": "أنشئت في",
   "item.field.type": "نوع الصنف",

packages/server/resources/locales/en.json

@@ -241,7 +241,8 @@
   "account.field.normal.credit": "Credit",
   "account.field.normal.debit": "Debit",
   "account.field.type": "Type",
-  "account.field.active": "Activity",
+  "account.field.active": "Active",
+  "account.field.currency": "Currency",
   "account.field.balance": "Balance",
   "account.field.created_at": "Created at",
   "item.field.type": "Item type",
@@ -376,8 +377,8 @@
   "customer.field.last_name": "Last name",
   "customer.field.display_name": "Display name",
   "customer.field.email": "Email",
-  "customer.field.work_phone": "Work phone",
-  "customer.field.personal_phone": "Personal phone",
+  "customer.field.work_phone": "Work Phone Number",
+  "customer.field.personal_phone": "Personal Phone Number",
   "customer.field.company_name": "Company name",
   "customer.field.website": "Website",
   "customer.field.opening_balance_at": "Opening balance at",
@@ -385,7 +386,7 @@
   "customer.field.created_at": "Created at",
   "customer.field.balance": "Balance",
   "customer.field.status": "Status",
-  "customer.field.currency": "Curreny",
+  "customer.field.currency": "Currency",
   "customer.field.status.active": "Active",
   "customer.field.status.inactive": "Inactive",
   "customer.field.status.overdue": "Overdue",
@@ -394,8 +395,8 @@
   "vendor.field.last_name": "Last name",
   "vendor.field.display_name": "Display name",
   "vendor.field.email": "Email",
-  "vendor.field.work_phone": "Work phone",
-  "vendor.field.personal_phone": "Personal phone",
+  "vendor.field.work_phone": "Work Phone Number",
+  "vendor.field.personal_phone": "Personal Phone Number",
   "vendor.field.company_name": "Company name",
   "vendor.field.website": "Website",
   "vendor.field.opening_balance_at": "Opening balance at",
@@ -403,7 +404,7 @@
   "vendor.field.created_at": "Created at",
   "vendor.field.balance": "Balance",
   "vendor.field.status": "Status",
-  "vendor.field.currency": "Curreny",
+  "vendor.field.currency": "Currency",
   "vendor.field.status.active": "Active",
   "vendor.field.status.inactive": "Inactive",
   "vendor.field.status.overdue": "Overdue",

packages/server/resources/views/modules/financial-sheet.pug

@@ -21,4 +21,5 @@ block content
         each row in table.rows
           tr(class=row.classNames)
             each cell in row.cells 
-              td(class='cell--' + cell.key)!= cell.value
+              td(class='cell--' + cell.key)
+                span!= cell.value

packages/server/src/api/controllers/Accounts.ts

@@ -27,7 +27,7 @@ export default class AccountsController extends BaseController {
   /**
    * Router constructor method.
    */
-  router() {
+  public router() {
     const router = Router();
 
     router.get(
@@ -98,7 +98,7 @@ export default class AccountsController extends BaseController {
   /**
    * Create account DTO Schema validation.
    */
-  get createAccountDTOSchema() {
+  private get createAccountDTOSchema() {
     return [
       check('name')
         .exists()
@@ -131,7 +131,7 @@ export default class AccountsController extends BaseController {
   /**
    * Account DTO Schema validation.
    */
-  get editAccountDTOSchema() {
+  private get editAccountDTOSchema() {
     return [
       check('name')
         .exists()
@@ -160,14 +160,14 @@ export default class AccountsController extends BaseController {
     ];
   }
 
-  get accountParamSchema() {
+  private get accountParamSchema() {
     return [param('id').exists().isNumeric().toInt()];
   }
 
   /**
    * Accounts list validation schema.
    */
-  get accountsListSchema() {
+  private get accountsListSchema() {
     return [
       query('view_slug').optional({ nullable: true }).isString().trim(),
       query('stringified_filter_roles').optional().isJSON(),
@@ -349,7 +349,7 @@ export default class AccountsController extends BaseController {
     // Filter query.
     const filter = {
       sortOrder: 'desc',
-      columnSortBy: 'created_at',
+      columnSortBy: 'createdAt',
       inactiveMode: false,
       structure: IAccountsStructureType.Tree,
       ...this.matchedQueryData(req),

packages/server/src/api/controllers/Banking/BankingController.ts

@@ -0,0 +1,18 @@
+import Container, { Inject, Service } from 'typedi';
+import { Router } from 'express';
+import BaseController from '@/api/controllers/BaseController';
+import { PlaidBankingController } from './PlaidBankingController';
+
+@Service()
+export class BankingController extends BaseController {
+  /**
+   * Router constructor.
+   */
+  router() {
+    const router = Router();
+
+    router.use('/plaid', Container.get(PlaidBankingController).router());
+
+    return router;
+  }
+}

packages/server/src/api/controllers/Banking/PlaidBankingController.ts

@@ -0,0 +1,53 @@
+import { Inject, Service } from 'typedi';
+import { Router, Request, Response } from 'express';
+import BaseController from '@/api/controllers/BaseController';
+import { PlaidApplication } from '@/services/Banking/Plaid/PlaidApplication';
+
+@Service()
+export class PlaidBankingController extends BaseController {
+  @Inject()
+  private plaidApp: PlaidApplication;
+
+  /**
+   * Router constructor.
+   */
+  router() {
+    const router = Router();
+
+    router.post('/link-token', this.linkToken.bind(this));
+    router.post('/exchange-token', this.exchangeToken.bind(this));
+
+    return router;
+  }
+
+  /**
+   * Retrieves the Plaid link token.
+   * @param {Request} req
+   * @param {response} res
+   * @returns {Response}
+   */
+  private async linkToken(req: Request, res: Response) {
+    const { tenantId } = req;
+
+    const linkToken = await this.plaidApp.getLinkToken(tenantId);
+
+    return res.status(200).send(linkToken);
+  }
+
+  /**
+   * Exchanges the given public token.
+   * @param {Request} req
+   * @param {response} res
+   * @returns {Response}
+   */
+  public async exchangeToken(req: Request, res: Response) {
+    const { tenantId } = req;
+    const { public_token, institution_id } = req.body;
+
+    await this.plaidApp.exchangeToken(tenantId, {
+      institutionId: institution_id,
+      publicToken: public_token,
+    });
+    return res.status(200).send({});
+  }
+}

packages/server/src/api/controllers/Cashflow/CashflowController.ts

@@ -13,9 +13,9 @@ export default class CashflowController {
   router() {
     const router = Router();
 
+    router.use(Container.get(CommandCashflowTransaction).router());
     router.use(Container.get(GetCashflowTransaction).router());
     router.use(Container.get(GetCashflowAccounts).router());
-    router.use(Container.get(CommandCashflowTransaction).router());
     router.use(Container.get(DeleteCashflowTransaction).router());
 
     return router;

packages/server/src/api/controllers/Cashflow/DeleteCashflowTransaction.ts

@@ -3,14 +3,15 @@ import { Router, Request, Response, NextFunction } from 'express';
 import { param } from 'express-validator';
 import BaseController from '../BaseController';
 import { ServiceError } from '@/exceptions';
-import DeleteCashflowTransactionService from '../../../services/Cashflow/DeleteCashflowTransactionService';
 import CheckPolicies from '@/api/middleware/CheckPolicies';
+
 import { AbilitySubject, CashflowAction } from '@/interfaces';
+import { CashflowApplication } from '@/services/Cashflow/CashflowApplication';
 
 @Service()
-export default class DeleteCashflowTransaction extends BaseController {
+export default class DeleteCashflowTransactionController extends BaseController {
   @Inject()
-  deleteCashflowService: DeleteCashflowTransactionService;
+  private cashflowApplication: CashflowApplication;
 
   /**
    * Controller router.
@@ -44,7 +45,7 @@ export default class DeleteCashflowTransaction extends BaseController {
 
     try {
       const { oldCashflowTransaction } =
-        await this.deleteCashflowService.deleteCashflowTransaction(
+        await this.cashflowApplication.deleteTransaction(
           tenantId,
           transactionId
         );
@@ -92,6 +93,19 @@ export default class DeleteCashflowTransaction extends BaseController {
           ],
         });
       }
+      if (
+        error.errorType ===
+        'CANNOT_DELETE_TRANSACTION_CONVERTED_FROM_UNCATEGORIZED'
+      ) {
+        return res.boom.badRequest(null, {
+          errors: [
+            {
+              type: 'CANNOT_DELETE_TRANSACTION_CONVERTED_FROM_UNCATEGORIZED',
+              code: 4100,
+            },
+          ],
+        });
+      }
     }
     next(error);
   }

packages/server/src/api/controllers/Cashflow/GetCashflowAccounts.ts

@@ -1,20 +1,16 @@
 import { Service, Inject } from 'typedi';
 import { Router, Request, Response, NextFunction } from 'express';
-import { param, query } from 'express-validator';
-import GetCashflowAccountsService from '@/services/Cashflow/GetCashflowAccountsService';
+import { query } from 'express-validator';
 import BaseController from '../BaseController';
-import GetCashflowTransactionsService from '@/services/Cashflow/GetCashflowTransactionsService';
 import { ServiceError } from '@/exceptions';
 import CheckPolicies from '@/api/middleware/CheckPolicies';
 import { AbilitySubject, CashflowAction } from '@/interfaces';
+import { CashflowApplication } from '@/services/Cashflow/CashflowApplication';
 
 @Service()
 export default class GetCashflowAccounts extends BaseController {
   @Inject()
-  getCashflowAccountsService: GetCashflowAccountsService;
-
-  @Inject()
-  getCashflowTransactionsService: GetCashflowTransactionsService;
+  private cashflowApplication: CashflowApplication;
 
   /**
    * Controller router.
@@ -62,10 +58,7 @@ export default class GetCashflowAccounts extends BaseController {
 
     try {
       const cashflowAccounts =
-        await this.getCashflowAccountsService.getCashflowAccounts(
-          tenantId,
-          filter
-        );
+        await this.cashflowApplication.getCashflowAccounts(tenantId, filter);
 
       return res.status(200).send({
         cashflow_accounts: this.transfromToResponse(cashflowAccounts),

packages/server/src/api/controllers/Cashflow/GetCashflowTransaction.ts

@@ -2,15 +2,15 @@ import { Service, Inject } from 'typedi';
 import { Router, Request, Response, NextFunction } from 'express';
 import { param } from 'express-validator';
 import BaseController from '../BaseController';
-import GetCashflowTransactionsService from '@/services/Cashflow/GetCashflowTransactionsService';
 import { ServiceError } from '@/exceptions';
 import CheckPolicies from '@/api/middleware/CheckPolicies';
 import { AbilitySubject, CashflowAction } from '@/interfaces';
+import { CashflowApplication } from '@/services/Cashflow/CashflowApplication';
 
 @Service()
 export default class GetCashflowAccounts extends BaseController {
   @Inject()
-  getCashflowTransactionsService: GetCashflowTransactionsService;
+  private cashflowApplication: CashflowApplication;
 
   /**
    * Controller router.
@@ -43,11 +43,10 @@ export default class GetCashflowAccounts extends BaseController {
     const { transactionId } = req.params;
 
     try {
-      const cashflowTransaction =
-        await this.getCashflowTransactionsService.getCashflowTransaction(
-          tenantId,
-          transactionId
-        );
+      const cashflowTransaction = await this.cashflowApplication.getTransaction(
+        tenantId,
+        transactionId
+      );
 
       return res.status(200).send({
         cashflow_transaction: this.transfromToResponse(cashflowTransaction),

packages/server/src/api/controllers/Cashflow/NewCashflowTransaction.ts

@@ -1,16 +1,16 @@
 import { Service, Inject } from 'typedi';
-import { check } from 'express-validator';
+import { ValidationChain, check, param, query } from 'express-validator';
 import { Router, Request, Response, NextFunction } from 'express';
 import BaseController from '../BaseController';
 import { ServiceError } from '@/exceptions';
-import NewCashflowTransactionService from '@/services/Cashflow/NewCashflowTransactionService';
 import CheckPolicies from '@/api/middleware/CheckPolicies';
 import { AbilitySubject, CashflowAction } from '@/interfaces';
+import { CashflowApplication } from '@/services/Cashflow/CashflowApplication';
 
 @Service()
 export default class NewCashflowTransactionController extends BaseController {
   @Inject()
-  private newCashflowTranscationService: NewCashflowTransactionService;
+  private cashflowApplication: CashflowApplication;
 
   /**
    * Router constructor.
@@ -18,6 +18,18 @@ export default class NewCashflowTransactionController extends BaseController {
   public router() {
     const router = Router();
 
+    router.get(
+      '/transactions/uncategorized/:id',
+      this.asyncMiddleware(this.getUncategorizedCashflowTransaction),
+      this.catchServiceErrors
+    );
+    router.get(
+      '/transactions/:id/uncategorized',
+      this.getUncategorizedTransactionsValidationSchema,
+      this.validationResult,
+      this.asyncMiddleware(this.getUncategorizedCashflowTransactions),
+      this.catchServiceErrors
+    );
     router.post(
       '/transactions',
       CheckPolicies(CashflowAction.Create, AbilitySubject.Cashflow),
@@ -26,13 +38,72 @@ export default class NewCashflowTransactionController extends BaseController {
       this.asyncMiddleware(this.newCashflowTransaction),
       this.catchServiceErrors
     );
+    router.post(
+      '/transactions/:id/uncategorize',
+      this.revertCategorizedCashflowTransaction,
+      this.catchServiceErrors
+    );
+    router.post(
+      '/transactions/:id/categorize',
+      this.categorizeCashflowTransactionValidationSchema,
+      this.validationResult,
+      this.categorizeCashflowTransaction,
+      this.catchServiceErrors
+    );
+    router.post(
+      '/transaction/:id/categorize/expense',
+      this.categorizeAsExpenseValidationSchema,
+      this.validationResult,
+      this.categorizesCashflowTransactionAsExpense,
+      this.catchServiceErrors
+    );
     return router;
   }
 
+  /**
+   * Getting uncategorized transactions validation schema.
+   * @returns {ValidationChain}
+   */
+  public get getUncategorizedTransactionsValidationSchema() {
+    return [
+      param('id').exists().isNumeric().toInt(),
+      query('page').optional().isNumeric().toInt(),
+      query('page_size').optional().isNumeric().toInt(),
+    ];
+  }
+
+  /**
+   * Categorize as expense validation schema.
+   */
+  public get categorizeAsExpenseValidationSchema() {
+    return [
+      check('expense_account_id').exists(),
+      check('date').isISO8601().exists(),
+      check('reference_no').optional(),
+      check('exchange_rate').optional().isFloat({ gt: 0 }).toFloat(),
+    ];
+  }
+
+  /**
+   * Categorize cashflow tranasction validation schema.
+   */
+  public get categorizeCashflowTransactionValidationSchema() {
+    return [
+      check('date').exists().isISO8601().toDate(),
+      check('credit_account_id').exists().isInt().toInt(),
+      check('transaction_number').optional(),
+      check('transaction_type').exists(),
+      check('reference_no').optional(),
+      check('exchange_rate').optional().isFloat({ gt: 0 }).toFloat(),
+      check('description').optional(),
+      check('branch_id').optional({ nullable: true }).isNumeric().toInt(),
+    ];
+  }
+
   /**
    * New cashflow transaction validation schema.
    */
-  get newTransactionValidationSchema() {
+  public get newTransactionValidationSchema() {
     return [
       check('date').exists().isISO8601().toDate(),
       check('reference_no').optional({ nullable: true }).trim().escape(),
@@ -48,9 +119,7 @@ export default class NewCashflowTransactionController extends BaseController {
       check('credit_account_id').exists().isInt().toInt(),
 
       check('exchange_rate').optional().isFloat({ gt: 0 }).toFloat(),
-
       check('branch_id').optional({ nullable: true }).isNumeric().toInt(),
-
       check('publish').default(false).isBoolean().toBoolean(),
     ];
   }
@@ -70,13 +139,12 @@ export default class NewCashflowTransactionController extends BaseController {
     const ownerContributionDTO = this.matchedBodyData(req);
 
     try {
-      const { cashflowTransaction } =
-        await this.newCashflowTranscationService.newCashflowTransaction(
+      const cashflowTransaction =
+        await this.cashflowApplication.createTransaction(
           tenantId,
           ownerContributionDTO,
           userId
         );
-
       return res.status(200).send({
         id: cashflowTransaction.id,
         message: 'New cashflow transaction has been created successfully.',
@@ -86,11 +154,147 @@ export default class NewCashflowTransactionController extends BaseController {
     }
   };
 
+  /**
+   * Revert the categorized cashflow transaction.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private revertCategorizedCashflowTransaction = async (
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) => {
+    const { tenantId } = req;
+    const { id: cashflowTransactionId } = req.params;
+
+    try {
+      const data = await this.cashflowApplication.uncategorizeTransaction(
+        tenantId,
+        cashflowTransactionId
+      );
+      return res.status(200).send({ data });
+    } catch (error) {
+      next(error);
+    }
+  };
+
+  /**
+   * Categorize the cashflow transaction.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private categorizeCashflowTransaction = async (
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) => {
+    const { tenantId } = req;
+    const { id: cashflowTransactionId } = req.params;
+    const cashflowTransaction = this.matchedBodyData(req);
+
+    try {
+      await this.cashflowApplication.categorizeTransaction(
+        tenantId,
+        cashflowTransactionId,
+        cashflowTransaction
+      );
+      return res.status(200).send({
+        message: 'The cashflow transaction has been created successfully.',
+      });
+    } catch (error) {
+      next(error);
+    }
+  };
+
+  /**
+   * Categorize the transaction as expense transaction.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private categorizesCashflowTransactionAsExpense = async (
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) => {
+    const { tenantId } = req;
+    const { id: cashflowTransactionId } = req.params;
+    const cashflowTransaction = this.matchedBodyData(req);
+
+    try {
+      await this.cashflowApplication.categorizeAsExpense(
+        tenantId,
+        cashflowTransactionId,
+        cashflowTransaction
+      );
+      return res.status(200).send({
+        message: 'The cashflow transaction has been created successfully.',
+      });
+    } catch (error) {
+      next(error);
+    }
+  };
+
+  /**
+   * Retrieves the uncategorized cashflow transactions.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  public getUncategorizedCashflowTransaction = async (
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) => {
+    const { tenantId } = req;
+    const { id: transactionId } = req.params;
+
+    try {
+      const data = await this.cashflowApplication.getUncategorizedTransaction(
+        tenantId,
+        transactionId
+      );
+      return res.status(200).send({ data });
+    } catch (error) {
+      next(error);
+    }
+  };
+
+  /**
+   * Retrieves the uncategorized cashflow transactions.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  public getUncategorizedCashflowTransactions = async (
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) => {
+    const { tenantId } = req;
+    const { id: accountId } = req.params;
+    const query = this.matchedQueryData(req);
+
+    try {
+      const data = await this.cashflowApplication.getUncategorizedTransactions(
+        tenantId,
+        accountId,
+        query
+      );
+
+      return res.status(200).send(data);
+    } catch (error) {
+      next(error);
+    }
+  };
+
   /**
    * Handle the service errors.
    * @param error
-   * @param req
-   * @param res
+   * @param {Request} req
+   * @param {res
    * @param next
    * @returns
    */
@@ -140,6 +344,16 @@ export default class NewCashflowTransactionController extends BaseController {
           ],
         });
       }
+      if (error.errorType === 'UNCATEGORIZED_TRANSACTION_TYPE_INVALID') {
+        return res.boom.badRequest(null, {
+          errors: [
+            {
+              type: 'UNCATEGORIZED_TRANSACTION_TYPE_INVALID',
+              code: 4100,
+            },
+          ],
+        });
+      }
     }
     next(error);
   }

packages/server/src/api/controllers/Contacts/Customers.ts

@@ -160,10 +160,8 @@ export default class CustomersController extends ContactsController {
     try {
       const contact = await this.customersApplication.createCustomer(
         tenantId,
-        contactDTO,
-        user
+        contactDTO
       );
-
       return res.status(200).send({
         id: contact.id,
         message: 'The customer has been created successfully.',
@@ -291,7 +289,7 @@ export default class CustomersController extends ContactsController {
     const filter = {
       inactiveMode: false,
       sortOrder: 'desc',
-      columnSortBy: 'created_at',
+      columnSortBy: 'createdAt',
       page: 1,
       pageSize: 12,
       ...this.matchedQueryData(req),

packages/server/src/api/controllers/Contacts/Vendors.ts

@@ -272,7 +272,7 @@ export default class VendorsController extends ContactsController {
     const vendorsFilter: IVendorsFilter = {
       inactiveMode: false,
       sortOrder: 'desc',
-      columnSortBy: 'created_at',
+      columnSortBy: 'createdAt',
       page: 1,
       pageSize: 12,
       ...this.matchedQueryData(req),

packages/server/src/api/controllers/Import/ImportController.ts

@@ -0,0 +1,248 @@
+import { Inject, Service } from 'typedi';
+import { Router, Request, Response, NextFunction } from 'express';
+import { body, param, query } from 'express-validator';
+import { defaultTo } from 'lodash';
+import BaseController from '@/api/controllers/BaseController';
+import { ServiceError } from '@/exceptions';
+import { ImportResourceApplication } from '@/services/Import/ImportResourceApplication';
+import { uploadImportFile } from './_utils';
+import { parseJsonSafe } from '@/utils/parse-json-safe';
+
+@Service()
+export class ImportController extends BaseController {
+  @Inject()
+  private importResourceApp: ImportResourceApplication;
+
+  /**
+   * Router constructor method.
+   */
+  router() {
+    const router = Router();
+
+    router.post(
+      '/file',
+      uploadImportFile.single('file'),
+      this.importValidationSchema,
+      this.validationResult,
+      this.asyncMiddleware(this.fileUpload.bind(this)),
+      this.catchServiceErrors
+    );
+    router.post(
+      '/:import_id/import',
+      this.asyncMiddleware(this.import.bind(this)),
+      this.catchServiceErrors
+    );
+    router.post(
+      '/:import_id/mapping',
+      [
+        param('import_id').exists().isString(),
+        body('mapping').exists().isArray({ min: 1 }),
+        body('mapping.*.from').exists(),
+        body('mapping.*.to').exists(),
+      ],
+      this.validationResult,
+      this.asyncMiddleware(this.mapping.bind(this)),
+      this.catchServiceErrors
+    );
+    router.get(
+      '/sample',
+      [query('resource').exists(), query('format').optional()],
+      this.downloadImportSample.bind(this),
+      this.catchServiceErrors
+    );
+    router.get(
+      '/:import_id',
+      this.asyncMiddleware(this.getImportFileMeta.bind(this)),
+      this.catchServiceErrors
+    );
+    router.get(
+      '/:import_id/preview',
+      this.asyncMiddleware(this.preview.bind(this)),
+      this.catchServiceErrors
+    );
+    return router;
+  }
+
+  /**
+   * Import validation schema.
+   * @returns {ValidationSchema[]}
+   */
+  private get importValidationSchema() {
+    return [body('resource').exists(), body('params').optional()];
+  }
+
+  /**
+   * Imports xlsx/csv to the given resource type.
+   * @param {Request} req -
+   * @param {Response} res -
+   * @param {NextFunction} next -
+   */
+  private async fileUpload(req: Request, res: Response, next: NextFunction) {
+    const { tenantId } = req;
+    const body = this.matchedBodyData(req);
+    const params = defaultTo(parseJsonSafe(body.params), {});
+
+    try {
+      const data = await this.importResourceApp.import(
+        tenantId,
+        body.resource,
+        req.file.filename,
+        params
+      );
+      return res.status(200).send(data);
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   * Maps the columns of the imported file.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private async mapping(req: Request, res: Response, next: NextFunction) {
+    const { tenantId } = req;
+    const { import_id: importId } = req.params;
+    const body = this.matchedBodyData(req);
+
+    try {
+      const mapping = await this.importResourceApp.mapping(
+        tenantId,
+        importId,
+        body?.mapping
+      );
+      return res.status(200).send(mapping);
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   * Preview the imported file before actual importing.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private async preview(req: Request, res: Response, next: NextFunction) {
+    const { tenantId } = req;
+    const { import_id: importId } = req.params;
+
+    try {
+      const preview = await this.importResourceApp.preview(tenantId, importId);
+
+      return res.status(200).send(preview);
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   * Importing the imported file to the application storage.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private async import(req: Request, res: Response, next: NextFunction) {
+    const { tenantId } = req;
+    const { import_id: importId } = req.params;
+
+    try {
+      const result = await this.importResourceApp.process(tenantId, importId);
+
+      return res.status(200).send(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   * Retrieves the csv/xlsx sample sheet of the given resource name.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private async downloadImportSample(
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) {
+    const { tenantId } = req;
+    const { format, resource } = this.matchedQueryData(req);
+
+    try {
+      const result = this.importResourceApp.sample(tenantId, resource, format);
+
+      return res.status(200).send(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   * Retrieves the import file meta.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private async getImportFileMeta(
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) {
+    const { tenantId } = req;
+    const { import_id: importId } = req.params;
+
+    try {
+      const result = await this.importResourceApp.importMeta(
+        tenantId,
+        importId
+      );
+      return res.status(200).send(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   * Transforms service errors to response.
+   * @param {Error}
+   * @param {Request} req
+   * @param {Response} res
+   * @param {ServiceError} error
+   */
+  private catchServiceErrors(
+    error,
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) {
+    if (error instanceof ServiceError) {
+      if (error.errorType === 'INVALID_MAP_ATTRS') {
+        return res.status(400).send({
+          errors: [{ type: 'INVALID_MAP_ATTRS' }],
+        });
+      }
+      if (error.errorType === 'DUPLICATED_FROM_MAP_ATTR') {
+        return res.status(400).send({
+          errors: [{ type: 'DUPLICATED_FROM_MAP_ATTR' }],
+        });
+      }
+      if (error.errorType === 'DUPLICATED_TO_MAP_ATTR') {
+        return res.status(400).send({
+          errors: [{ type: 'DUPLICATED_TO_MAP_ATTR' }],
+        });
+      }
+      if (error.errorType === 'IMPORTED_FILE_EXTENSION_INVALID') {
+        return res.status(400).send({
+          errors: [{ type: 'IMPORTED_FILE_EXTENSION_INVALID' }],
+        });
+      }
+      return res.status(400).send({
+        errors: [{ type: error.errorType }],
+      });
+    }
+
+    next(error);
+  }
+}

packages/server/src/api/controllers/Import/_utils.ts

@@ -0,0 +1,21 @@
+import Multer from 'multer';
+import { ServiceError } from '@/exceptions';
+
+export function allowSheetExtensions(req, file, cb) {
+  if (
+    file.mimetype !== 'text/csv' &&
+    file.mimetype !== 'application/vnd.ms-excel' && 
+    file.mimetype !== 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+  ) {
+    cb(new ServiceError('IMPORTED_FILE_EXTENSION_INVALID'));
+
+    return;
+  }
+  cb(null, true);
+}
+
+export const uploadImportFile = Multer({
+  dest: './public/imports',
+  limits: { fileSize: 5 * 1024 * 1024 },
+  fileFilter: allowSheetExtensions,
+});

packages/server/src/api/controllers/Webhooks/Webhooks.ts

@@ -0,0 +1,47 @@
+import { Router } from 'express';
+import { PlaidApplication } from '@/services/Banking/Plaid/PlaidApplication';
+import { Request, Response } from 'express';
+import { Inject, Service } from 'typedi';
+import BaseController from '../BaseController';
+import { PlaidWebhookTenantBootMiddleware } from '@/services/Banking/Plaid/PlaidWebhookTenantBootMiddleware';
+
+@Service()
+export class Webhooks extends BaseController {
+  @Inject()
+  private plaidApp: PlaidApplication;
+
+  /**
+   * Router constructor.
+   */
+  router() {
+    const router = Router();
+
+    router.use(PlaidWebhookTenantBootMiddleware);
+    router.post('/plaid', this.plaidWebhooks.bind(this));
+
+    return router;
+  }
+
+  /**
+   * Listens to Plaid webhooks.
+   * @param {Request} req
+   * @param {Response} res
+   * @returns {Response}
+   */
+  public async plaidWebhooks(req: Request, res: Response) {
+    const { tenantId } = req;
+    const {
+      webhook_type: webhookType,
+      webhook_code: webhookCode,
+      item_id: plaidItemId,
+    } = req.body;
+
+    await this.plaidApp.webhooks(
+      tenantId,
+      plaidItemId,
+      webhookType,
+      webhookCode
+    );
+    return res.status(200).send({ code: 200, message: 'ok' });
+  }
+}

packages/server/src/api/index.ts

@@ -56,6 +56,9 @@ import { ProjectsController } from './controllers/Projects/Projects';
 import { ProjectTasksController } from './controllers/Projects/Tasks';
 import { ProjectTimesController } from './controllers/Projects/Times';
 import { TaxRatesController } from './controllers/TaxRates/TaxRates';
+import { ImportController } from './controllers/Import/ImportController';
+import { BankingController } from './controllers/Banking/BankingController';
+import { Webhooks } from './controllers/Webhooks/Webhooks';
 
 export default () => {
   const app = Router();
@@ -71,6 +74,7 @@ export default () => {
   app.use('/ping', Container.get(Ping).router());
   app.use('/jobs', Container.get(Jobs).router());
   app.use('/account', Container.get(Account).router());
+  app.use('/webhooks', Container.get(Webhooks).router());
 
   // - Dashboard routes.
   // ---------------------------
@@ -118,6 +122,7 @@ export default () => {
     Container.get(InventoryItemsCostController).router()
   );
   dashboard.use('/cashflow', Container.get(CashflowController).router());
+  dashboard.use('/banking', Container.get(BankingController).router());
   dashboard.use('/roles', Container.get(RolesController).router());
   dashboard.use(
     '/transactions-locking',
@@ -131,6 +136,9 @@ export default () => {
   dashboard.use('/warehouses', Container.get(WarehousesController).router());
   dashboard.use('/projects', Container.get(ProjectsController).router());
   dashboard.use('/tax-rates', Container.get(TaxRatesController).router());
+
+  dashboard.use('/import', Container.get(ImportController).router());
+
   dashboard.use('/', Container.get(ProjectTasksController).router());
   dashboard.use('/', Container.get(ProjectTimesController).router());
 

packages/server/src/config/index.ts

@@ -177,6 +177,19 @@ module.exports = {
     service: 'open-exchange-rate',
     openExchangeRate: {
       appId: process.env.OPEN_EXCHANGE_RATE_APP_ID,
-    }
-  }
+    },
+  },
+
+  /**
+   * Plaid.
+   */
+  plaid: {
+    env: process.env.PLAID_ENV || 'sandbox',
+    clientId: process.env.PLAID_CLIENT_ID,
+    secretDevelopment: process.env.PLAID_SECRET_DEVELOPMENT,
+    secretSandbox: process.env.PLAID_SECRET_SANDBOX,
+    redirectSandBox: process.env.PLAID_SANDBOX_REDIRECT_URI,
+    redirectDevelopment: process.env.PLAID_DEVELOPMENT_REDIRECT_URI,
+    linkWebhook: process.env.PLAID_LINK_WEBHOOK
+  },
 };

packages/server/src/data/options.ts

@@ -136,6 +136,11 @@ export default {
       type: 'number',
     },
   },
+  inventory: {
+    cost_compute_running: {
+      type: 'boolean',
+    },
+  },
   accounts: {
     account_code_required: {
       type: 'boolean',

packages/server/src/database/migrations/20231209230719_create_imports_table.js

@@ -0,0 +1,16 @@
+exports.up = function (knex) {
+  return knex.schema.createTable('imports', (table) => {
+    table.increments();
+    table.string('filename');
+    table.string('import_id');
+    table.string('resource');
+    table.json('columns');
+    table.json('mapping');
+    table.json('params');
+    table.timestamps();
+  });
+};
+
+exports.down = function (knex) {
+  return knex.schema.dropTableIfExists('imports');
+};

packages/server/src/database/migrations/20240201160214_create_plaid_items_Table.js

@@ -0,0 +1,14 @@
+exports.up = function (knex) {
+  return knex.schema.createTable('plaid_items', (table) => {
+    table.increments('id');
+    table.integer('tenant_id').unsigned();
+    table.string('plaid_item_id');
+    table.string('plaid_institution_id');
+    table.string('plaid_access_token');
+    table.string('last_cursor');
+    table.string('status');
+    table.timestamps();
+  });
+};
+
+exports.down = function (knex) {};

packages/server/src/database/migrations/20240201235818_add_plaid_account_id_to_accounts_table.js

@@ -0,0 +1,9 @@
+exports.up = function (knex) {
+  return knex.schema.table('accounts', (table) => {
+    table.string('plaid_account_id');
+    table.string('account_mask').nullable();
+    table.decimal('bank_balance', 15, 5);
+  });
+};
+
+exports.down = function (knex) {};

packages/server/src/database/migrations/20240204180554_add_plaid_transaction_id_to_cashflow_transaction.js

@@ -0,0 +1,7 @@
+exports.up = function (knex) {
+  return knex.schema.table('cashflow_transactions', (table) => {
+    table.string('plaid_transaction_id');
+  });
+};
+
+exports.down = function (knex) {};

packages/server/src/database/migrations/20240228183404_create_uncateogrized_cashflow_transactions_table.js

@@ -0,0 +1,28 @@
+exports.up = function (knex) {
+  return knex.schema.createTable(
+    'uncategorized_cashflow_transactions',
+    (table) => {
+      table.increments('id');
+      table.date('date').index();
+      table.decimal('amount');
+      table.string('currency_code');
+      table.string('reference_no').index();
+      table.string('payee');
+      table
+        .integer('account_id')
+        .unsigned()
+        .references('id')
+        .inTable('accounts');
+      table.string('description');
+      table.string('categorize_ref_type');
+      table.integer('categorize_ref_id').unsigned();
+      table.boolean('categorized').defaultTo(false);
+      table.string('plaid_transaction_id');
+      table.timestamps();
+    }
+  );
+};
+
+exports.down = function (knex) {
+  return knex.schema.dropTableIfExists('uncategorized_cashflow_transactions');
+};

packages/server/src/database/migrations/20240304153926_add_uncategorized_transactions_column_to_accounts_table.js

@@ -0,0 +1,10 @@
+exports.up = function (knex) {
+  return knex.schema.table('accounts', (table) => {
+    table.integer('uncategorized_transactions').defaultTo(0);
+    table.boolean('is_system_account').defaultTo(true);
+    table.boolean('is_feeds_active').defaultTo(false);
+    table.datetime('last_feeds_updated_at').nullable();
+  });
+};
+
+exports.down = function (knex) {};

packages/server/src/database/migrations/20240308122047_add_uncategorized_transaction_id_to_cashflow_transactions.js

@@ -0,0 +1,15 @@
+exports.up = function (knex) {
+  return knex.schema.table('cashflow_transactions', (table) => {
+    table
+      .integer('uncategorized_transaction_id')
+      .unsigned()
+      .references('id')
+      .inTable('uncategorized_cashflow_transactions');
+  });
+};
+
+exports.down = function (knex) {
+  return knex.schema.table('cashflow_transactions', (table) => {
+    table.dropColumn('uncategorized_transaction_id');
+  });
+};

packages/server/src/interfaces/Account.ts

@@ -6,12 +6,15 @@ export interface IAccountDTO {
   code: string;
   description: string;
   accountType: string;
-  parentAccountId: number;
+  parentAccountId?: number;
   active: boolean;
+  bankBalance?: number;
+  accountMask?: string;
 }
 
 export interface IAccountCreateDTO extends IAccountDTO {
   currencyCode?: string;
+  plaidAccountId?: string;
 }
 
 export interface IAccountEditDTO extends IAccountDTO {}
@@ -33,6 +36,7 @@ export interface IAccount {
   type?: any[];
   accountNormal: string;
   accountParentType: string;
+  bankBalance: string;
 }
 
 export enum AccountNormal {
@@ -154,10 +158,9 @@ export enum AccountAction {
   TransactionsLocking = 'TransactionsLocking',
 }
 
-
 export enum TaxRateAction {
   CREATE = 'Create',
   EDIT = 'Edit',
   DELETE = 'Delete',
   VIEW = 'View',
-}
+}

packages/server/src/interfaces/CashFlow.ts

@@ -233,3 +233,38 @@ export interface ICashflowTransactionSchema {
 }
 
 export interface ICashflowTransactionInput extends ICashflowTransactionSchema {}
+
+export interface ICategorizeCashflowTransactioDTO {
+  creditAccountId: number;
+  referenceNo: string;
+  transactionNumber: string;
+  transactionType: string;
+  exchangeRate: number;
+  description: string;
+  branchId: number;
+}
+
+export interface IUncategorizedCashflowTransaction {
+  id?: number;
+  amount: number;
+  date: Date;
+  currencyCode: string;
+  accountId: number;
+  description: string;
+  referenceNo: string;
+  categorizeRefType: string;
+  categorizeRefId: number;
+  categorized: boolean;
+}
+
+
+export interface CreateUncategorizedTransactionDTO {
+  date: Date | string;
+  accountId: number;
+  amount: number;
+  currencyCode: string;
+  payee?: string;
+  description?: string;
+  referenceNo?: string | null;
+  plaidTransactionId?: string | null;
+}

packages/server/src/interfaces/CashflowService.ts

@@ -1,5 +1,6 @@
 import { Knex } from 'knex';
 import { IAccount } from './Account';
+import { IUncategorizedCashflowTransaction } from './CashFlow';
 
 export interface ICashflowAccountTransactionsFilter {
   page: number;
@@ -45,9 +46,13 @@ export interface ICashflowCommandDTO {
 
   publish: boolean;
   branchId?: number;
+  plaidTransactionId?: string;
 }
 
-export interface ICashflowNewCommandDTO extends ICashflowCommandDTO {}
+export interface ICashflowNewCommandDTO extends ICashflowCommandDTO {
+  plaidAccountId?: string;
+  uncategorizedTransactionId?: number;
+}
 
 export interface ICashflowTransaction {
   id?: number;
@@ -79,6 +84,8 @@ export interface ICashflowTransaction {
 
   isCashDebit?: boolean;
   isCashCredit?: boolean;
+
+  uncategorizedTransactionId?: number;
 }
 
 export interface ICashflowTransactionLine {
@@ -121,8 +128,39 @@ export interface ICommandCashflowDeletedPayload {
   trx: Knex.Transaction;
 }
 
+export interface ICashflowTransactionCategorizedPayload {
+  tenantId: number;
+  cashflowTransactionId: number;
+  cashflowTransaction: ICashflowTransaction;
+  trx: Knex.Transaction;
+}
+export interface ICashflowTransactionUncategorizingPayload {
+  tenantId: number;
+  uncategorizedTransaction: IUncategorizedCashflowTransaction;
+  trx: Knex.Transaction;
+}
+export interface ICashflowTransactionUncategorizedPayload {
+  tenantId: number;
+  uncategorizedTransaction: IUncategorizedCashflowTransaction;
+  oldUncategorizedTransaction: IUncategorizedCashflowTransaction;
+  trx: Knex.Transaction;
+}
+
 export enum CashflowAction {
   Create = 'Create',
   Delete = 'Delete',
   View = 'View',
 }
+
+export interface CategorizeTransactionAsExpenseDTO {
+  expenseAccountId: number;
+  exchangeRate: number;
+  referenceNo: string;
+  description: string;
+  branchId?: number;
+}
+
+export interface IGetUncategorizedTransactionsQuery {
+  page?: number;
+  pageSize?: number;
+}

packages/server/src/interfaces/Model.ts

@@ -34,20 +34,40 @@ export interface IModelMetaFieldCommon {
   columnable?: boolean;
   fieldType: IModelColumnType;
   customQuery?: Function;
+  required?: boolean;
+  importHint?: string;
+  order?: number;
 }
 
-export interface IModelMetaFieldNumber {
-  fieldType: 'number';
+export interface IModelMetaFieldText {
+  fieldType: 'text';
   minLength?: number;
   maxLength?: number;
 }
-
-export interface IModelMetaFieldOther {
-  fieldType: 'text' | 'boolean';
+export interface IModelMetaFieldBoolean {
+  fieldType: 'boolean';
+}
+export interface IModelMetaFieldNumber {
+  fieldType: 'number';
+  min?: number;
+  max?: number;
+}
+export interface IModelMetaFieldDate {
+  fieldType: 'date';
+}
+export interface IModelMetaFieldUrl {
+  fieldType: 'url';
 }
-
 export type IModelMetaField = IModelMetaFieldCommon &
-  (IModelMetaFieldOther | IModelMetaEnumerationField | IModelMetaRelationField);
+  (
+    | IModelMetaFieldText
+    | IModelMetaFieldNumber
+    | IModelMetaFieldBoolean
+    | IModelMetaFieldDate
+    | IModelMetaFieldUrl
+    | IModelMetaEnumerationField
+    | IModelMetaRelationField
+  );
 
 export interface IModelMetaEnumerationOption {
   key: string;
@@ -70,12 +90,12 @@ export interface IModelMetaRelationEnumerationField {
   relationEntityKey: string;
 }
 
-export type IModelMetaRelationField = IModelMetaRelationFieldCommon & (
-  IModelMetaRelationEnumerationField
-);
+export type IModelMetaRelationField = IModelMetaRelationFieldCommon &
+  IModelMetaRelationEnumerationField;
 
 export interface IModelMeta {
   defaultFilterField: string;
   defaultSort: IModelMetaDefaultSort;
+  importable?: boolean;
   fields: { [key: string]: IModelMetaField };
 }

packages/server/src/interfaces/Plaid.ts

@@ -0,0 +1,56 @@
+export interface IPlaidItemCreatedEventPayload {
+  tenantId: number;
+  plaidAccessToken: string;
+  plaidItemId: string;
+  plaidInstitutionId: string;
+}
+
+export interface PlaidItemDTO {
+  publicToken: string;
+  institutionId: string;
+}
+
+export interface PlaidAccount {
+  account_id: string;
+  balances: {
+    available: number;
+    current: number;
+    iso_currency_code: string;
+    limit: null;
+    unofficial_currency_code: null;
+  };
+  mask: string;
+  name: string;
+  official_name: string;
+  persistent_account_id: string;
+  subtype: string;
+  type: string;
+}
+
+export interface PlaidTransaction {
+  date: string;
+  account_id: string;
+  amount: number;
+  authorized_date: string;
+  name: string;
+  category: string[];
+  check_number: number | null;
+  iso_currency_code: string;
+  transaction_id: string;
+  transaction_type: string;
+  payment_meta: { reference_number: string | null; payee: string | null };
+}
+
+export interface PlaidFetchedTransactionsUpdates {
+  added: any[];
+  modified: any[];
+  removed: any[];
+  accessToken: string;
+  cursor: string;
+}
+
+export interface SyncAccountsTransactionsTask {
+  tenantId: number;
+  plaidAccountId: number;
+  plaidTransactions: PlaidTransaction[];
+}

packages/server/src/interfaces/index.ts

@@ -74,6 +74,7 @@ export * from './Tasks';
 export * from './Times';
 export * from './ProjectProfitabilitySummary';
 export * from './TaxRate';
+export * from './Plaid';
 
 export interface I18nService {
   __: (input: string) => string;

packages/server/src/lib/Plaid/Plaid.ts

@@ -0,0 +1,103 @@
+import { forEach } from 'lodash';
+import { Configuration, PlaidApi, PlaidEnvironments } from 'plaid';
+import { createPlaidApiEvent } from './PlaidApiEventsDBSync';
+import config from '@/config';
+
+const OPTIONS = { clientApp: 'Plaid-Pattern' };
+
+// We want to log requests to / responses from the Plaid API (via the Plaid client), as this data
+// can be useful for troubleshooting.
+
+/**
+ * Logging function for Plaid client methods that use an access_token as an argument. Associates
+ * the Plaid API event log entry with the item and user the request is for.
+ *
+ * @param {string} clientMethod the name of the Plaid client method called.
+ * @param {Array} clientMethodArgs the arguments passed to the Plaid client method.
+ * @param {Object} response the response from the Plaid client.
+ */
+const defaultLogger = async (clientMethod, clientMethodArgs, response) => {
+  const accessToken = clientMethodArgs[0].access_token;
+  // const { id: itemId, user_id: userId } = await retrieveItemByPlaidAccessToken(
+  //   accessToken
+  // );
+  // await createPlaidApiEvent(1, 1, clientMethod, clientMethodArgs, response);
+
+  // console.log(response);
+};
+
+/**
+ * Logging function for Plaid client methods that do not use access_token as an argument. These
+ * Plaid API event log entries will not be associated with an item or user.
+ *
+ * @param {string} clientMethod the name of the Plaid client method called.
+ * @param {Array} clientMethodArgs the arguments passed to the Plaid client method.
+ * @param {Object} response the response from the Plaid client.
+ */
+const noAccessTokenLogger = async (
+  clientMethod,
+  clientMethodArgs,
+  response
+) => {
+  // console.log(response);
+
+  // await createPlaidApiEvent(
+  //   undefined,
+  //   undefined,
+  //   clientMethod,
+  //   clientMethodArgs,
+  //   response
+  // );
+};
+
+// Plaid client methods used in this app, mapped to their appropriate logging functions.
+const clientMethodLoggingFns = {
+  accountsGet: defaultLogger,
+  institutionsGet: noAccessTokenLogger,
+  institutionsGetById: noAccessTokenLogger,
+  itemPublicTokenExchange: noAccessTokenLogger,
+  itemRemove: defaultLogger,
+  linkTokenCreate: noAccessTokenLogger,
+  transactionsSync: defaultLogger,
+  sandboxItemResetLogin: defaultLogger,
+};
+// Wrapper for the Plaid client. This allows us to easily log data for all Plaid client requests.
+export class PlaidClientWrapper {
+  constructor() {
+    // Initialize the Plaid client.
+    const configuration = new Configuration({
+      basePath: PlaidEnvironments[config.plaid.env],
+      baseOptions: {
+        headers: {
+          'PLAID-CLIENT-ID': config.plaid.clientId,
+          'PLAID-SECRET':
+            config.plaid.env === 'development'
+              ? config.plaid.secretDevelopment
+              : config.plaid.secretSandbox,
+          'Plaid-Version': '2020-09-14',
+        },
+      },
+    });
+
+    this.client = new PlaidApi(configuration);
+
+    // Wrap the Plaid client methods to add a logging function.
+    forEach(clientMethodLoggingFns, (logFn, method) => {
+      this[method] = this.createWrappedClientMethod(method, logFn);
+    });
+  }
+
+  // Allows us to log API request data for troubleshooting purposes.
+  createWrappedClientMethod(clientMethod, log) {
+    return async (...args) => {
+      try {
+        const res = await this.client[clientMethod](...args);
+        await log(clientMethod, args, res);
+        return res;
+      } catch (err) {
+        await log(clientMethod, args, err?.response?.data);
+        throw err;
+      }
+    };
+  }
+}

packages/server/src/lib/Plaid/PlaidApiEventsDBSync.ts

@@ -0,0 +1,48 @@
+/**
+ * Creates a single Plaid api event log entry.
+ *
+ * @param {string} itemId the item id in the request.
+ * @param {string} userId the user id in the request.
+ * @param {string} plaidMethod the Plaid client method called.
+ * @param {Array} clientMethodArgs the arguments passed to the Plaid client method.
+ * @param {Object} response the Plaid api response object.
+ */
+export const createPlaidApiEvent = async (
+  itemId,
+  userId,
+  plaidMethod,
+  clientMethodArgs,
+  response
+) => {
+  const {
+    error_code: errorCode,
+    error_type: errorType,
+    request_id: requestId,
+  } = response;
+  const query = {
+    text: `
+      INSERT INTO plaid_api_events_table
+        (
+          item_id,
+          user_id,
+          plaid_method,
+          arguments,
+          request_id,
+          error_type,
+          error_code
+        )
+      VALUES
+        ($1, $2, $3, $4, $5, $6, $7);
+    `,
+    values: [
+      itemId,
+      userId,
+      plaidMethod,
+      JSON.stringify(clientMethodArgs),
+      requestId,
+      errorType,
+      errorCode,
+    ],
+  };
+  // await db.query(query);
+};

packages/server/src/lib/Plaid/index.ts

@@ -0,0 +1 @@
+export * from './Plaid';

packages/server/src/loaders/eventEmitter.ts

@@ -84,9 +84,12 @@ import { WriteInvoiceTaxTransactionsSubscriber } from '@/services/TaxRates/subsc
 import { BillTaxRateValidateSubscriber } from '@/services/TaxRates/subscribers/BillTaxRateValidateSubscriber';
 import { WriteBillTaxTransactionsSubscriber } from '@/services/TaxRates/subscribers/WriteBillTaxTransactionsSubscriber';
 import { SyncItemTaxRateOnEditTaxSubscriber } from '@/services/TaxRates/SyncItemTaxRateOnEditTaxSubscriber';
+import { PlaidUpdateTransactionsOnItemCreatedSubscriber } from '@/services/Banking/Plaid/subscribers/PlaidUpdateTransactionsOnItemCreatedSubscriber';
 import { InvoiceChangeStatusOnMailSentSubscriber } from '@/services/Sales/Invoices/subscribers/InvoiceChangeStatusOnMailSentSubscriber';
 import { SaleReceiptMarkClosedOnMailSentSubcriber } from '@/services/Sales/Receipts/subscribers/SaleReceiptMarkClosedOnMailSentSubcriber';
 import { SaleEstimateMarkApprovedOnMailSent } from '@/services/Sales/Estimates/subscribers/SaleEstimateMarkApprovedOnMailSent';
+import { DeleteCashflowTransactionOnUncategorize } from '@/services/Cashflow/subscribers/DeleteCashflowTransactionOnUncategorize';
+import { PreventDeleteTransactionOnDelete } from '@/services/Cashflow/subscribers/PreventDeleteTransactionsOnDelete'; }
 
 export default () => {
   return new EventPublisher();
@@ -209,5 +212,12 @@ export const susbcribers = () => {
     WriteBillTaxTransactionsSubscriber,
 
     SyncItemTaxRateOnEditTaxSubscriber,
+
+    // Plaid
+    PlaidUpdateTransactionsOnItemCreatedSubscriber,
+
+    // Cashflow
+    DeleteCashflowTransactionOnUncategorize,
+    PreventDeleteTransactionOnDelete
   ];
 };

packages/server/src/loaders/express.ts

@@ -4,7 +4,8 @@ import helmet from 'helmet';
 import boom from 'express-boom';
 import errorHandler from 'errorhandler';
 import bodyParser from 'body-parser';
-import fileUpload from 'express-fileupload';
+import { Server } from 'socket.io';
+import Container from 'typedi';
 import routes from 'api';
 import LoggerMiddleware from '@/api/middleware/LoggerMiddleware';
 import AgendashController from '@/api/controllers/Agendash';
@@ -45,13 +46,6 @@ export default ({ app }) => {
 
   app.use('/public', express.static(path.join(global.__storage_dir)));
 
-  // Handle multi-media requests.
-  app.use(
-    fileUpload({
-      createParentPath: true,
-    })
-  );
-
   // Logger middleware.
   app.use(LoggerMiddleware);
 
@@ -72,4 +66,32 @@ export default ({ app }) => {
   app.use((req: Request, res: Response, next: NextFunction) => {
     return res.boom.notFound();
   });
+  const server = app.listen(app.get('port'), (err) => {
+    if (err) {
+      console.log(err);
+      process.exit(1);
+      return;
+    }
+    console.log(`
+      ################################################
+        Server listening on port: ${app.get('port')}
+      ################################################
+    `);
+  });
+  const io = new Server(server, { path: '/socket' });
+
+  // Set socket.io listeners.
+  io.on('connection', (socket) => {
+    console.log('SOCKET CONNECTED');
+
+    socket.on('disconnect', () => {
+      console.log('SOCKET DISCONNECTED');
+    });
+  });
+  // Middleware to pass socket to each request object.
+  app.use((req: Request, res: Response, next: NextFunction) => {
+    req.io = io;
+    next();
+  });
+  Container.set('socket', io);
 };

packages/server/src/loaders/jobs.ts

@@ -10,6 +10,7 @@ import { SendSaleInvoiceReminderMailJob } from '@/services/Sales/Invoices/SendSa
 import { SendSaleEstimateMailJob } from '@/services/Sales/Estimates/SendSaleEstimateMailJob';
 import { SaleReceiptMailNotificationJob } from '@/services/Sales/Receipts/SaleReceiptMailNotificationJob';
 import { PaymentReceiveMailNotificationJob } from '@/services/Sales/PaymentReceives/PaymentReceiveMailNotificationJob';
+import { PlaidFetchTransactionsJob } from '@/services/Banking/Plaid/PlaidFetchTransactionsJob';
 
 export default ({ agenda }: { agenda: Agenda }) => {
   new ResetPasswordMailJob(agenda);
@@ -23,6 +24,7 @@ export default ({ agenda }: { agenda: Agenda }) => {
   new SendSaleEstimateMailJob(agenda);
   new SaleReceiptMailNotificationJob(agenda);
   new PaymentReceiveMailNotificationJob(agenda);
+  new PlaidFetchTransactionsJob(agenda);
 
   agenda.start();
 };

packages/server/src/loaders/tenantModels.ts

@@ -61,6 +61,9 @@ import Task from 'models/Task';
 import TaxRate from 'models/TaxRate';
 import TaxRateTransaction from 'models/TaxRateTransaction';
 import Attachment from 'models/Attachment';
+import Import from 'models/Import';
+import PlaidItem from 'models/PlaidItem';
+import UncategorizedCashflowTransaction from 'models/UncategorizedCashflowTransaction';
 
 export default (knex) => {
   const models = {
@@ -124,7 +127,10 @@ export default (knex) => {
     Task,
     TaxRate,
     TaxRateTransaction,
-    Attachment
+    Attachment,
+    Import,
+    PlaidItem,
+    UncategorizedCashflowTransaction
   };
   return mapValues(models, (model) => model.bindKnex(knex));
 };

packages/server/src/models/Account.Settings.ts

@@ -6,16 +6,24 @@ export default {
     sortOrder: 'DESC',
     sortField: 'name',
   },
+  importable: true,
   fields: {
     name: {
       name: 'account.field.name',
       column: 'name',
       fieldType: 'text',
+      unique: true,
+      required: true,
+      importable: true,
+      exportable: true,
+      order: 1,
     },
     description: {
       name: 'account.field.description',
       column: 'description',
       fieldType: 'text',
+      importable: true,
+      exportable: true,
     },
     slug: {
       name: 'account.field.slug',
@@ -23,13 +31,19 @@ export default {
       fieldType: 'text',
       columnable: false,
       filterable: false,
+      importable: false,
     },
     code: {
       name: 'account.field.code',
       column: 'code',
       fieldType: 'text',
+      exportable: true,
+      importable: true,
+      minLength: 3,
+      maxLength: 6,
+      importHint: 'Unique number to identify the account.',
     },
-    root_type: {
+    rootType: {
       name: 'account.field.root_type',
       fieldType: 'enumeration',
       options: [
@@ -41,6 +55,7 @@ export default {
       ],
       filterCustomQuery: RootTypeFieldFilterQuery,
       sortable: false,
+      importable: false,
     },
     normal: {
       name: 'account.field.normal',
@@ -51,37 +66,56 @@ export default {
       ],
       filterCustomQuery: NormalTypeFieldFilterQuery,
       sortable: false,
+      importable: false,
     },
-    type: {
+    accountType: {
       name: 'account.field.type',
       column: 'account_type',
       fieldType: 'enumeration',
       options: ACCOUNT_TYPES.map((accountType) => ({
         label: accountType.label,
-        key: accountType.key
+        key: accountType.key,
       })),
+      required: true,
+      importable: true,
+      exportable: true,
+      order: 2,
     },
     active: {
       name: 'account.field.active',
       column: 'active',
       fieldType: 'boolean',
       filterable: false,
+      exportable: true,
+      importable: true,
     },
     balance: {
       name: 'account.field.balance',
       column: 'amount',
       fieldType: 'number',
+      importable: false,
     },
-    currency: {
+    currencyCode: {
       name: 'account.field.currency',
       column: 'currency_code',
       fieldType: 'text',
       filterable: false,
+      importable: true,
+      exportable: true,
     },
-    created_at: {
+    parentAccount: {
+      name: 'account.field.parent_account',
+      column: 'parent_account_id',
+      fieldType: 'relation',
+      to: { model: 'Account', to: 'id' },
+      importable: false,
+    },
+    createdAt: {
       name: 'account.field.created_at',
       column: 'created_at',
       fieldType: 'date',
+      importable: false,
+      exportable: true,
     },
   },
 };

packages/server/src/models/Account.ts

@@ -196,6 +196,7 @@ export default class Account extends mixin(TenantModel, [
     const Expense = require('models/Expense');
     const ExpenseEntry = require('models/ExpenseCategory');
     const ItemEntry = require('models/ItemEntry');
+    const UncategorizedTransaction = require('models/UncategorizedCashflowTransaction');
 
     return {
       /**
@@ -305,6 +306,21 @@ export default class Account extends mixin(TenantModel, [
           to: 'items_entries.sellAccountId',
         },
       },
+
+      /**
+       * Associated uncategorized transactions.
+       */
+      uncategorizedTransactions: {
+        relation: Model.HasManyRelation,
+        modelClass: UncategorizedTransaction.default,
+        join: {
+          from: 'accounts.id',
+          to: 'uncategorized_cashflow_transactions.accountId',
+        },
+        filter: (query) => {
+          query.where('categorized', false);
+        },
+      },
     };
   }
 

packages/server/src/models/CashflowTransaction.ts

@@ -12,6 +12,8 @@ export default class CashflowTransaction extends TenantModel {
   transactionType: string;
   amount: number;
   exchangeRate: number;
+  uncategorize: boolean;
+  uncategorizedTransaction!: boolean;
 
   /**
    * Table name.
@@ -85,6 +87,14 @@ export default class CashflowTransaction extends TenantModel {
     return this.typeMeta?.direction === CASHFLOW_DIRECTION.IN;
   }
 
+  /**
+   * Detarmines whether the transaction imported from uncategorized transaction.
+   * @returns {boolean}
+   */
+  get isCategroizedTranasction() {
+    return !!this.uncategorizedTransaction;
+  }
+
   /**
    * Relationship mapping.
    */

packages/server/src/models/Customer.Settings.ts

@@ -1,70 +1,112 @@
 export default {
+  importable: true,
+  defaultFilterField: 'displayName',
+  defaultSort: {
+    sortOrder: 'DESC',
+    sortField: 'createdAt',
+  },
   fields: {
-    first_name: {
+    customerType: {
+      name: 'Customer Type',
+      column: 'contact_type',
+      fieldType: 'enumeration',
+      options: [
+        { key: 'business', label: 'Business' },
+        { key: 'individual', label: 'Individual' },
+      ],
+      importable: true,
+      required: true,
+    },
+    firstName: {
       name: 'customer.field.first_name',
       column: 'first_name',
       fieldType: 'text',
+      importable: true,
     },
-    last_name: {
+    lastName: {
       name: 'customer.field.last_name',
       column: 'last_name',
       fieldType: 'text',
+      importable: true,
     },
-    display_name: {
+    displayName: {
       name: 'customer.field.display_name',
       column: 'display_name',
       fieldType: 'text',
+      required: true,
+      importable: true,
     },
     email: {
       name: 'customer.field.email',
       column: 'email',
       fieldType: 'text',
+      importable: true,
     },
-    work_phone: {
+    workPhone: {
       name: 'customer.field.work_phone',
       column: 'work_phone',
       fieldType: 'text',
+      importable: true,
     },
-    personal_phone: {
+    personalPhone: {
       name: 'customer.field.personal_phone',
       column: 'personal_phone',
       fieldType: 'text',
+      importable: true,
     },
-    company_name: {
+    companyName: {
       name: 'customer.field.company_name',
       column: 'company_name',
       fieldType: 'text',
+      importable: true,
     },
     website: {
       name: 'customer.field.website',
       column: 'website',
-      fieldType: 'text',
-    },
-    created_at: {
-      name: 'customer.field.created_at',
-      column: 'created_at',
-      fieldType: 'date',
+      fieldType: 'url',
+      importable: true,
     },
     balance: {
       name: 'customer.field.balance',
       column: 'balance',
       fieldType: 'number',
     },
-    opening_balance: {
+    openingBalance: {
       name: 'customer.field.opening_balance',
       column: 'opening_balance',
       fieldType: 'number',
+      importable: true,
     },
-    opening_balance_at: {
+    openingBalanceAt: {
       name: 'customer.field.opening_balance_at',
       column: 'opening_balance_at',
       filterable: false,
       fieldType: 'date',
+      importable: true,
     },
-    currency_code: {
+    openingBalanceExchangeRate: {
+      name: 'Opening Balance Ex. Rate',
+      column: 'opening_balance_exchange_rate',
+      fieldType: 'number',
+      importable: true,
+    },
+    currencyCode: {
       name: 'customer.field.currency',
       column: 'currency_code',
       fieldType: 'text',
+      importable: true,
+    },
+    note: {
+      name: 'Note',
+      column: 'note',
+      fieldType: 'text',
+      importable: true,
+    },
+    active: {
+      name: 'Active',
+      column: 'active',
+      fieldType: 'boolean',
+      importable: true,
     },
     status: {
       name: 'customer.field.status',
@@ -77,6 +119,98 @@ export default {
       ],
       filterCustomQuery: statusFieldFilterQuery,
     },
+    // Billing Address
+    billingAddress1: {
+      name: 'Billing Address 1',
+      column: 'billing_address1',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddress2: {
+      name: 'Billing Address 2',
+      column: 'billing_address2',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressCity: {
+      name: 'Billing Address City',
+      column: 'billing_address_city',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressCountry: {
+      name: 'Billing Address Country',
+      column: 'billing_address_country',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressPostcode: {
+      name: 'Billing Address Postcode',
+      column: 'billing_address_postcode',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressState: {
+      name: 'Billing Address State',
+      column: 'billing_address_state',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressPhone: {
+      name: 'Billing Address Phone',
+      column: 'billing_address_phone',
+      fieldType: 'text',
+      importable: true,
+    },
+    // Shipping Address
+    shippingAddress1: {
+      name: 'Shipping Address 1',
+      column: 'shipping_address1',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddress2: {
+      name: 'Shipping Address 2',
+      column: 'shipping_address2',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressCity: {
+      name: 'Shipping Address City',
+      column: 'shipping_address_city',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressCountry: {
+      name: 'Shipping Address Country',
+      column: 'shipping_address_country',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressPostcode: {
+      name: 'Shipping Address Postcode',
+      column: 'shipping_address_postcode',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressPhone: {
+      name: 'Shipping Address Phone',
+      column: 'shipping_address_phone',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressState: {
+      name: 'Shipping Address State',
+      column: 'shipping_address_state',
+      fieldType: 'text',
+      importable: true,
+    },
+    //
+    createdAt: {
+      name: 'customer.field.created_at',
+      column: 'created_at',
+      fieldType: 'date',
+    },
   },
 };
 

packages/server/src/models/Expense.ts

@@ -215,6 +215,10 @@ export default class Expense extends mixin(TenantModel, [
           to: 'branches.id',
         },
       },
+
+      /**
+       * 
+       */
       media: {
         relation: Model.ManyToManyRelation,
         modelClass: Media.default,

packages/server/src/models/Import.ts

@@ -0,0 +1,69 @@
+import TenantModel from 'models/TenantModel';
+
+export default class Import extends TenantModel {
+  resource!: string;
+  mapping!: string;
+  columns!: string;
+  params!: Record<string, any>;
+  
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'imports';
+  }
+
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return ['mappingParsed'];
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return [];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    return {};
+  }
+
+  /**
+   * Detarmines whether the import is mapped.
+   * @returns {boolean}
+   */
+  public get isMapped() {
+    return Boolean(this.mapping);
+  }
+
+  public get columnsParsed() {
+    try {
+      return JSON.parse(this.columns);
+    } catch {
+      return [];
+    }
+  }
+
+
+  public get paramsParsed() {
+    try {
+      return JSON.parse(this.params);
+    } catch {
+      return [];
+    }
+  }
+
+  public get mappingParsed() {
+    try {
+      return JSON.parse(this.mapping);
+    } catch {
+      return [];
+    }
+  }
+}

packages/server/src/models/Item.Settings.ts

@@ -1,51 +1,59 @@
 export default {
+  importable: true,
   defaultFilterField: 'name',
   defaultSort: {
     sortField: 'name',
     sortOrder: 'DESC',
   },
   fields: {
-    'type': {
+    type: {
       name: 'item.field.type',
       column: 'type',
       fieldType: 'enumeration',
       options: [
-        { key: 'inventory', label: 'item.field.type.inventory', },
+        { key: 'inventory', label: 'item.field.type.inventory' },
         { key: 'service', label: 'item.field.type.service' },
-        { key: 'non-inventory', label: 'item.field.type.non-inventory', },
+        { key: 'non-inventory', label: 'item.field.type.non-inventory' },
       ],
+      importable: true,
     },
-    'name': {
+    name: {
       name: 'item.field.name',
       column: 'name',
       fieldType: 'text',
+      importable: true,
     },
-    'code': {
+    code: {
       name: 'item.field.code',
       column: 'code',
       fieldType: 'text',
+      importable: true,
     },
-    'sellable': {
+    sellable: {
       name: 'item.field.sellable',
       column: 'sellable',
       fieldType: 'boolean',
+      importable: true,
     },
-    'purchasable': {
+    purchasable: {
       name: 'item.field.purchasable',
       column: 'purchasable',
       fieldType: 'boolean',
+      importable: true,
     },
-    'sell_price': {
+    sellPrice: {
       name: 'item.field.cost_price',
       column: 'sell_price',
       fieldType: 'number',
+      importable: true,
     },
-    'cost_price': {
+    costPrice: {
       name: 'item.field.cost_account',
       column: 'cost_price',
       fieldType: 'number',
+      importable: true,
     },
-    'cost_account': {
+    costAccount: {
       name: 'item.field.sell_account',
       column: 'cost_account_id',
       fieldType: 'relation',
@@ -55,8 +63,10 @@ export default {
 
       relationEntityLabel: 'name',
       relationEntityKey: 'slug',
+
+      importable: true,
     },
-    'sell_account': {
+    sellAccount: {
       name: 'item.field.sell_description',
       column: 'sell_account_id',
       fieldType: 'relation',
@@ -66,8 +76,10 @@ export default {
 
       relationEntityLabel: 'name',
       relationEntityKey: 'slug',
+
+      importable: true,
     },
-    'inventory_account': {
+    inventoryAccount: {
       name: 'item.field.inventory_account',
       column: 'inventory_account_id',
 
@@ -76,28 +88,34 @@ export default {
 
       relationEntityLabel: 'name',
       relationEntityKey: 'slug',
+
+      importable: true,
     },
-    'sell_description': {
+    sellDescription: {
       name: 'Sell description',
       column: 'sell_description',
       fieldType: 'text',
+      importable: true,
     },
-    'purchase_description': {
+    purchaseDescription: {
       name: 'Purchase description',
       column: 'purchase_description',
       fieldType: 'text',
+      importable: true,
     },
-    'quantity_on_hand': {
+    quantityOnHand: {
       name: 'item.field.quantity_on_hand',
       column: 'quantity_on_hand',
       fieldType: 'number',
+      importable: true,
     },
-    'note': {
+    note: {
       name: 'item.field.note',
       column: 'note',
       fieldType: 'text',
+      importable: true,
     },
-    'category': {
+    category: {
       name: 'item.field.category',
       column: 'category_id',
 
@@ -106,14 +124,15 @@ export default {
 
       relationEntityLabel: 'name',
       relationEntityKey: 'id',
+      importable: true,
     },
-    'active': {
+    active: {
       name: 'item.field.active',
       column: 'active',
       fieldType: 'boolean',
-      filterable: false,
+      importable: true,
     },
-    'created_at': {
+    createdAt: {
       name: 'item.field.created_at',
       column: 'created_at',
       columnType: 'date',

packages/server/src/models/PlaidItem.ts

@@ -0,0 +1,24 @@
+import TenantModel from 'models/TenantModel';
+
+export default class PlaidItem extends TenantModel {
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'plaid_items';
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return [];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    return {};
+  }
+}

packages/server/src/models/UncategorizedCashflowTransaction.meta.ts

@@ -0,0 +1,54 @@
+export default {
+  defaultFilterField: 'createdAt',
+  defaultSort: {
+    sortOrder: 'DESC',
+    sortField: 'createdAt',
+  },
+  importable: true,
+  fields: {
+    date: {
+      name: 'Date',
+      column: 'date',
+      fieldType: 'date',
+      importable: true,
+      required: true,
+    },
+    payee: {
+      name: 'Payee',
+      column: 'payee',
+      fieldType: 'text',
+      importable: true,
+    },
+    description: {
+      name: 'Description',
+      column: 'description',
+      fieldType: 'text',
+      importable: true,
+    },
+    referenceNo: {
+      name: 'Reference No.',
+      column: 'reference_no',
+      fieldType: 'text',
+      importable: true,
+    },
+    amount: {
+      name: 'Amount',
+      column: 'Amount',
+      fieldType: 'numeric',
+      required: true,
+      importable: true,
+    },
+    account: {
+      name: 'Account',
+      column: 'account_id',
+      fieldType: 'relation',
+      to: { model: 'Account', to: 'id' },
+    },
+    createdAt: {
+      name: 'Created At',
+      column: 'createdAt',
+      fieldType: 'date',
+      importable: false,
+    },
+  },
+};

packages/server/src/models/UncategorizedCashflowTransaction.ts

@@ -0,0 +1,150 @@
+/* eslint-disable global-require */
+import * as R from 'ramda';
+import { Model, ModelOptions, QueryContext, mixin } from 'objection';
+import TenantModel from 'models/TenantModel';
+import ModelSettings from './ModelSetting';
+import Account from './Account';
+import UncategorizedCashflowTransactionMeta from './UncategorizedCashflowTransaction.meta';
+
+export default class UncategorizedCashflowTransaction extends mixin(
+  TenantModel,
+  [ModelSettings]
+) {
+  id!: number;
+  amount!: number;
+  categorized!: boolean;
+  accountId!: number;
+
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'uncategorized_cashflow_transactions';
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  static get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return [
+      'withdrawal',
+      'deposit',
+      'isDepositTransaction',
+      'isWithdrawalTransaction',
+    ];
+  }
+
+  static get meta() {
+    return UncategorizedCashflowTransactionMeta;
+  }
+
+  /**
+   * Retrieves the withdrawal amount.
+   * @returns {number}
+   */
+  public get withdrawal() {
+    return this.amount < 0 ? Math.abs(this.amount) : 0;
+  }
+
+  /**
+   * Retrieves the deposit amount.
+   * @returns {number}
+   */
+  public get deposit(): number {
+    return this.amount > 0 ? Math.abs(this.amount) : 0;
+  }
+
+  /**
+   * Detarmines whether the transaction is deposit transaction.
+   */
+  public get isDepositTransaction(): boolean {
+    return 0 < this.deposit;
+  }
+
+  /**
+   * Detarmines whether the transaction is withdrawal transaction.
+   */
+  public get isWithdrawalTransaction(): boolean {
+    return 0 < this.withdrawal;
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const Account = require('models/Account');
+
+    return {
+      /**
+       * Transaction may has associated to account.
+       */
+      account: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: Account.default,
+        join: {
+          from: 'uncategorized_cashflow_transactions.accountId',
+          to: 'accounts.id',
+        },
+      },
+    };
+  }
+
+  /**
+   * Updates the count of uncategorized transactions for the associated account
+   * based on the specified operation.
+   * @param {QueryContext} queryContext - The query context for the transaction.
+   * @param {boolean} increment - Indicates whether to increment or decrement the count.
+   */
+  private async updateUncategorizedTransactionCount(
+    queryContext: QueryContext,
+    increment: boolean
+  ) {
+    const operation = increment ? 'increment' : 'decrement';
+    const amount = increment ? 1 : -1;
+
+    await Account.query(queryContext.transaction)
+      .findById(this.accountId)
+      [operation]('uncategorized_transactions', amount);
+  }
+
+  /**
+   * Runs after insert.
+   * @param {QueryContext} queryContext
+   */
+  public async $afterInsert(queryContext) {
+    await super.$afterInsert(queryContext);
+    await this.updateUncategorizedTransactionCount(queryContext, true);
+  }
+
+  /**
+   * Runs after update.
+   * @param {ModelOptions} opt
+   * @param {QueryContext} queryContext
+   */
+  public async $afterUpdate(
+    opt: ModelOptions,
+    queryContext: QueryContext
+  ): Promise<any> {
+    await super.$afterUpdate(opt, queryContext);
+
+    if (this.id && this.categorized) {
+      await this.updateUncategorizedTransactionCount(queryContext, false);
+    }
+  }
+
+  /**
+   * Runs after delete.
+   * @param {QueryContext} queryContext
+   */
+  public async $afterDelete(queryContext: QueryContext) {
+    await super.$afterDelete(queryContext);
+    await this.updateUncategorizedTransactionCount(queryContext, false);
+  }
+}

packages/server/src/models/Vendor.Settings.ts

@@ -1,74 +1,100 @@
 export default {
-  defaultFilterField: 'display_name',
+  defaultFilterField: 'displayName',
   defaultSort: {
     sortOrder: 'DESC',
-    sortField: 'created_at',
+    sortField: 'createdAt',
   },
+  importable: true,
   fields: {
-    first_name: {
+    firstName: {
       name: 'vendor.field.first_name',
       column: 'first_name',
       fieldType: 'text',
+      importable: true,
     },
-    last_name: {
+    lastName: {
       name: 'vendor.field.last_name',
       column: 'last_name',
       fieldType: 'text',
+      importable: true,
     },
-    display_name: {
+    displayName: {
       name: 'vendor.field.display_name',
       column: 'display_name',
       fieldType: 'text',
+      required: true,
+      importable: true,
     },
     email: {
       name: 'vendor.field.email',
       column: 'email',
       fieldType: 'text',
+      importable: true,
     },
-    work_phone: {
+    workPhone: {
       name: 'vendor.field.work_phone',
       column: 'work_phone',
       fieldType: 'text',
+      importable: true,
     },
-    personal_phone: {
-      name: 'vendor.field.personal_pone',
+    personalPhone: {
+      name: 'vendor.field.personal_phone',
       column: 'personal_phone',
       fieldType: 'text',
+      importable: true,
     },
-    company_name: {
+    companyName: {
       name: 'vendor.field.company_name',
       column: 'company_name',
       fieldType: 'text',
+      importable: true,
     },
     website: {
       name: 'vendor.field.website',
       column: 'website',
       fieldType: 'text',
-    },
-    created_at: {
-      name: 'vendor.field.created_at',
-      column: 'created_at',
-      fieldType: 'date',
+      importable: true,
     },
     balance: {
       name: 'vendor.field.balance',
       column: 'balance',
       fieldType: 'number',
     },
-    opening_balance: {
+    openingBalance: {
       name: 'vendor.field.opening_balance',
       column: 'opening_balance',
       fieldType: 'number',
+      importable: true,
     },
-    opening_balance_at: {
+    openingBalanceAt: {
       name: 'vendor.field.opening_balance_at',
       column: 'opening_balance_at',
       fieldType: 'date',
+      importable: true,
     },
-    currency_code: {
+    openingBalanceExchangeRate: {
+      name: 'Opening Balance Ex. Rate',
+      column: 'opening_balance_exchange_rate',
+      fieldType: 'number',
+      importable: true,
+    },
+    currencyCode: {
       name: 'vendor.field.currency',
       column: 'currency_code',
       fieldType: 'text',
+      importable: true,
+    },
+    note: {
+      name: 'Note',
+      column: 'note',
+      fieldType: 'text',
+      importable: true,
+    },
+    active: {
+      name: 'Active',
+      column: 'active',
+      fieldType: 'boolean',
+      importable: true,
     },
     status: {
       name: 'vendor.field.status',
@@ -88,5 +114,96 @@ export default {
         }
       },
     },
+    // Billing Address
+    billingAddress1: {
+      name: 'Billing Address 1',
+      column: 'billing_address1',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddress2: {
+      name: 'Billing Address 2',
+      column: 'billing_address2',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressCity: {
+      name: 'Billing Address City',
+      column: 'billing_address_city',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressCountry: {
+      name: 'Billing Address Country',
+      column: 'billing_address_country',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressPostcode: {
+      name: 'Billing Address Postcode',
+      column: 'billing_address_postcode',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressState: {
+      name: 'Billing Address State',
+      column: 'billing_address_state',
+      fieldType: 'text',
+      importable: true,
+    },
+    billingAddressPhone: {
+      name: 'Billing Address Phone',
+      column: 'billing_address_phone',
+      fieldType: 'text',
+      importable: true,
+    },
+    // Shipping Address
+    shippingAddress1: {
+      name: 'Shipping Address 1',
+      column: 'shipping_address1',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddress2: {
+      name: 'Shipping Address 2',
+      column: 'shipping_address2',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressCity: {
+      name: 'Shipping Address City',
+      column: 'shipping_address_city',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressCountry: {
+      name: 'Shipping Address Country',
+      column: 'shipping_address_country',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressPostcode: {
+      name: 'Shipping Address Postcode',
+      column: 'shipping_address_postcode',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressState: {
+      name: 'Shipping Address State',
+      column: 'shipping_address_state',
+      fieldType: 'text',
+      importable: true,
+    },
+    shippingAddressPhone: {
+      name: 'Shipping Address Phone',
+      column: 'shipping_address_phone',
+      fieldType: 'text',
+      importable: true,
+    },
+    createdAt: {
+      name: 'vendor.field.created_at',
+      column: 'created_at',
+      fieldType: 'date',
+    },
   },
 };

packages/server/src/server.ts

@@ -10,19 +10,6 @@ async function startServer() {
 
   // Intiialize all registered loaders.
   await loadersFactory({ expressApp: app });
-
-  app.listen(app.get('port'), (err) => {
-    if (err) {
-      console.log(err);
-      process.exit(1);
-      return;
-    }
-    console.log(`
-      ################################################
-        Server listening on port: ${app.get('port')}
-      ################################################
-    `);
-  });
 }
 
 startServer();

packages/server/src/services/Accounts/AccountTransform.ts

@@ -13,7 +13,7 @@ export class AccountTransformer extends Transformer {
    * @returns {Array}
    */
   public includeAttributes = (): string[] => {
-    return ['formattedAmount', 'flattenName'];
+    return ['formattedAmount', 'flattenName', 'bankBalanceFormatted'];
   };
 
   /**
@@ -41,6 +41,17 @@ export class AccountTransformer extends Transformer {
     return formatNumber(account.amount, { currencyCode: account.currencyCode });
   };
 
+  /**
+   * Retrieves the formatted bank balance.
+   * @param {IAccount} account
+   * @returns {string}
+   */
+  protected bankBalanceFormatted = (account: IAccount): string => {
+    return formatNumber(account.bankBalance, {
+      currencyCode: account.currencyCode,
+    });
+  };
+
   /**
    * Transformes the accounts collection to flat or nested array.
    * @param {IAccount[]}

packages/server/src/services/Accounts/AccountsApplication.ts

@@ -16,6 +16,7 @@ import { ActivateAccount } from './ActivateAccount';
 import { GetAccounts } from './GetAccounts';
 import { GetAccount } from './GetAccount';
 import { GetAccountTransactions } from './GetAccountTransactions';
+import { Knex } from 'knex';
 
 @Service()
 export class AccountsApplication {
@@ -48,9 +49,10 @@ export class AccountsApplication {
    */
   public createAccount = (
     tenantId: number,
-    accountDTO: IAccountCreateDTO
+    accountDTO: IAccountCreateDTO,
+    trx?: Knex.Transaction
   ): Promise<IAccount> => {
-    return this.createAccountService.createAccount(tenantId, accountDTO);
+    return this.createAccountService.createAccount(tenantId, accountDTO, trx);
   };
 
   /**

packages/server/src/services/Accounts/AccountsImportable.SampleData.ts

@@ -0,0 +1,50 @@
+export const AccountsSampleData = [
+  {
+    'Account Name': 'Utilities Expense',
+    'Account Code': 9000,
+    Type: 'Expense',
+    Description: 'Omnis voluptatum consequatur.',
+    Active: 'T',
+    'Currency Code': '',
+  },
+  {
+    'Account Name': 'Unearned Revenue',
+    'Account Code': 9010,
+    Type: 'Long Term Liability',
+    Description: 'Autem odit voluptas nihil unde.',
+    Active: 'T',
+    'Currency Code': '',
+  },
+  {
+    'Account Name': 'Long-Term Debt',
+    'Account Code': 9020,
+    Type: 'Long Term Liability',
+    Description: 'In voluptas cumque exercitationem.',
+    Active: 'T',
+    'Currency Code': '',
+  },
+  {
+    'Account Name': 'Salaries and Wages Expense',
+    'Account Code': 9030,
+    Type: 'Expense',
+    Description: 'Assumenda aspernatur soluta aliquid perspiciatis quasi.',
+    Active: 'T',
+    'Currency Code': '',
+  },
+  {
+    'Account Name': 'Rental Income',
+    'Account Code': 9040,
+    Type: 'Income',
+    Description: 'Omnis possimus amet occaecati inventore.',
+    Active: 'T',
+    'Currency Code': '',
+  },
+  {
+    'Account Name': 'Paypal',
+    'Account Code': 9050,
+    Type: 'Bank',
+    Description: 'In voluptas cumque exercitationem.',
+    Active: 'T',
+    'Currency Code': '',
+  },
+];

packages/server/src/services/Accounts/AccountsImportable.ts

@@ -0,0 +1,45 @@
+import { Inject, Service } from 'typedi';
+import { Knex } from 'knex';
+import { IAccountCreateDTO } from '@/interfaces';
+import { CreateAccount } from './CreateAccount';
+import { Importable } from '../Import/Importable';
+import { AccountsSampleData } from './AccountsImportable.SampleData';
+
+@Service()
+export class AccountsImportable extends Importable {
+  @Inject()
+  private createAccountService: CreateAccount;
+
+  /**
+   * Importing to account service.
+   * @param {number} tenantId
+   * @param {IAccountCreateDTO} createAccountDTO
+   * @returns
+   */
+  public importable(
+    tenantId: number,
+    createAccountDTO: IAccountCreateDTO,
+    trx?: Knex.Transaction
+  ) {
+    return this.createAccountService.createAccount(
+      tenantId,
+      createAccountDTO,
+      trx
+    );
+  }
+
+  /**
+   * Concurrrency controlling of the importing process.
+   * @returns {number}
+   */
+  public get concurrency() {
+    return 1;
+  }
+
+  /**
+   * Retrieves the sample data that used to download accounts sample sheet. 
+   */
+  public sampleData(): any[] {
+    return AccountsSampleData;
+  }
+}

packages/server/src/services/Accounts/CreateAccount.ts

@@ -97,13 +97,14 @@ export class CreateAccount {
 
   /**
    * Creates a new account on the storage.
-   * @param   {number} tenantId
-   * @param   {IAccountCreateDTO} accountDTO
+   * @param {number} tenantId
+   * @param {IAccountCreateDTO} accountDTO
    * @returns {Promise<IAccount>}
    */
   public createAccount = async (
     tenantId: number,
-    accountDTO: IAccountCreateDTO
+    accountDTO: IAccountCreateDTO,
+    trx?: Knex.Transaction
   ): Promise<IAccount> => {
     const { Account } = this.tenancy.models(tenantId);
 
@@ -119,27 +120,31 @@ export class CreateAccount {
       tenantMeta.baseCurrency
     );
     // Creates a new account with associated transactions under unit-of-work envirement.
-    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
-      // Triggers `onAccountCreating` event.
-      await this.eventPublisher.emitAsync(events.accounts.onCreating, {
-        tenantId,
-        accountDTO,
-        trx,
-      } as IAccountEventCreatingPayload);
+    return this.uow.withTransaction(
+      tenantId,
+      async (trx: Knex.Transaction) => {
+        // Triggers `onAccountCreating` event.
+        await this.eventPublisher.emitAsync(events.accounts.onCreating, {
+          tenantId,
+          accountDTO,
+          trx,
+        } as IAccountEventCreatingPayload);
 
-      // Inserts account to the storage.
-      const account = await Account.query(trx).insertAndFetch({
-        ...accountInputModel,
-      });
-      // Triggers `onAccountCreated` event.
-      await this.eventPublisher.emitAsync(events.accounts.onCreated, {
-        tenantId,
-        account,
-        accountId: account.id,
-        trx,
-      } as IAccountEventCreatedPayload);
+        // Inserts account to the storage.
+        const account = await Account.query(trx).insertAndFetch({
+          ...accountInputModel,
+        });
+        // Triggers `onAccountCreated` event.
+        await this.eventPublisher.emitAsync(events.accounts.onCreated, {
+          tenantId,
+          account,
+          accountId: account.id,
+          trx,
+        } as IAccountEventCreatedPayload);
 
-      return account;
-    });
+        return account;
+      },
+      trx
+    );
   };
 }

packages/server/src/services/Banking/Plaid/PlaidApplication.ts

@@ -0,0 +1,59 @@
+import { Inject, Service } from 'typedi';
+import { PlaidLinkTokenService } from './PlaidLinkToken';
+import { PlaidItemService } from './PlaidItem';
+import { PlaidItemDTO } from '@/interfaces';
+import { PlaidWebooks } from './PlaidWebhooks';
+
+@Service()
+export class PlaidApplication {
+  @Inject()
+  private getLinkTokenService: PlaidLinkTokenService;
+
+  @Inject()
+  private plaidItemService: PlaidItemService;
+
+  @Inject()
+  private plaidWebhooks: PlaidWebooks;
+
+  /**
+   * Retrieves the Plaid link token.
+   * @param {number} tenantId
+   * @param {number} itemId
+   * @returns
+   */
+  public getLinkToken(tenantId: number) {
+    return this.getLinkTokenService.getLinkToken(tenantId);
+  }
+
+  /**
+   * Exchanges the Plaid access token.
+   * @param {number} tenantId
+   * @param {PlaidItemDTO} itemDTO
+   * @returns
+   */
+  public exchangeToken(tenantId: number, itemDTO: PlaidItemDTO): Promise<void> {
+    return this.plaidItemService.item(tenantId, itemDTO);
+  }
+
+  /**
+   * Listens to Plaid webhooks
+   * @param {number} tenantId 
+   * @param {string} webhookType 
+   * @param {string} plaidItemId 
+   * @param {string} webhookCode 
+   * @returns 
+   */
+  public webhooks(
+    tenantId: number,
+    plaidItemId: string,
+    webhookType: string,
+    webhookCode: string
+  ) {
+    return this.plaidWebhooks.webhooks(
+      tenantId,
+      plaidItemId,
+      webhookType,
+      webhookCode
+    );
+  }
+}

packages/server/src/services/Banking/Plaid/PlaidFetchTransactionsJob.ts

@@ -0,0 +1,43 @@
+import Container, { Service } from 'typedi';
+import { PlaidUpdateTransactions } from './PlaidUpdateTransactions';
+import { IPlaidItemCreatedEventPayload } from '@/interfaces';
+
+@Service()
+export class PlaidFetchTransactionsJob {
+  /**
+   * Constructor method.
+   */
+  constructor(agenda) {
+    agenda.define(
+      'plaid-update-account-transactions',
+      { priority: 'high', concurrency: 2 },
+      this.handler
+    );
+  }
+
+  /**
+   * Triggers the function.
+   */
+  private handler = async (job, done: Function) => {
+    const { tenantId, plaidItemId } = job.attrs
+      .data as IPlaidItemCreatedEventPayload;
+
+    const plaidFetchTransactionsService = Container.get(
+      PlaidUpdateTransactions
+    );
+    const io = Container.get('socket');
+
+    try {
+      await plaidFetchTransactionsService.updateTransactions(
+        tenantId,
+        plaidItemId
+      );
+      // Notify the frontend to reflect the new transactions changes.
+      io.emit('NEW_TRANSACTIONS_DATA', { plaidItemId });
+      done();
+    } catch (error) {
+      console.log(error);
+      done(error);
+    }
+  };
+}

packages/server/src/services/Banking/Plaid/PlaidItem.ts

@@ -0,0 +1,58 @@
+import { Inject, Service } from 'typedi';
+import { PlaidClientWrapper } from '@/lib/Plaid';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import events from '@/subscribers/events';
+import {
+  IPlaidItemCreatedEventPayload,
+  PlaidItemDTO,
+} from '@/interfaces/Plaid';
+import SystemPlaidItem from '@/system/models/SystemPlaidItem';
+
+@Service()
+export class PlaidItemService {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  /**
+   * Exchanges the public token to get access token and item id and then creates
+   * a new Plaid item.
+   * @param {number} tenantId
+   * @param {PlaidItemDTO} itemDTO
+   * @returns {Promise<void>}
+   */
+  public async item(tenantId: number, itemDTO: PlaidItemDTO): Promise<void> {
+    const { PlaidItem } = this.tenancy.models(tenantId);
+    const { publicToken, institutionId } = itemDTO;
+
+    const plaidInstance = new PlaidClientWrapper();
+
+    // Exchange the public token for a private access token and store with the item.
+    const response = await plaidInstance.itemPublicTokenExchange({
+      public_token: publicToken,
+    });
+    const plaidAccessToken = response.data.access_token;
+    const plaidItemId = response.data.item_id;
+
+    // Store the Plaid item metadata on tenant scope.
+    const plaidItem = await PlaidItem.query().insertAndFetch({
+      tenantId,
+      plaidAccessToken,
+      plaidItemId,
+      plaidInstitutionId: institutionId,
+    });
+    // Stores the Plaid item id on system scope.
+    await SystemPlaidItem.query().insert({ tenantId, plaidItemId });
+
+    // Triggers `onPlaidItemCreated` event.
+    await this.eventPublisher.emitAsync(events.plaid.onItemCreated, {
+      tenantId,
+      plaidAccessToken,
+      plaidItemId,
+      plaidInstitutionId: institutionId,
+    } as IPlaidItemCreatedEventPayload);
+  }
+}

packages/server/src/services/Banking/Plaid/PlaidLinkToken.ts

@@ -0,0 +1,34 @@
+import { PlaidClientWrapper } from '@/lib/Plaid';
+import { Service } from 'typedi';
+import config from '@/config';
+
+@Service()
+export class PlaidLinkTokenService {
+  /**
+   * Retrieves the plaid link token.
+   * @param {number} tenantId
+   * @returns
+   */
+  async getLinkToken(tenantId: number) {
+    const accessToken = null;
+
+    // Must include transactions in order to receive transactions webhooks
+    const products = ['transactions'];
+    const linkTokenParams = {
+      user: {
+        // This should correspond to a unique id for the current user.
+        client_user_id: 'uniqueId' + tenantId,
+      },
+      client_name: 'Pattern',
+      products,
+      country_codes: ['US'],
+      language: 'en',
+      webhook: config.plaid.linkWebhook,
+      access_token: accessToken,
+    };
+    const plaidInstance = new PlaidClientWrapper();
+    const createResponse = await plaidInstance.linkTokenCreate(linkTokenParams);
+
+    return createResponse.data;
+  }
+}

packages/server/src/services/Banking/Plaid/PlaidSyncDB.ts

@@ -0,0 +1,198 @@
+import * as R from 'ramda';
+import { Inject, Service } from 'typedi';
+import bluebird from 'bluebird';
+import { entries, groupBy } from 'lodash';
+import { CreateAccount } from '@/services/Accounts/CreateAccount';
+import { PlaidAccount, PlaidTransaction } from '@/interfaces';
+import {
+  transformPlaidAccountToCreateAccount,
+  transformPlaidTrxsToCashflowCreate,
+} from './utils';
+import { DeleteCashflowTransaction } from '@/services/Cashflow/DeleteCashflowTransactionService';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { CashflowApplication } from '@/services/Cashflow/CashflowApplication';
+
+const CONCURRENCY_ASYNC = 10;
+
+@Service()
+export class PlaidSyncDb {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private createAccountService: CreateAccount;
+
+  @Inject()
+  private cashflowApp: CashflowApplication;
+
+  @Inject()
+  private deleteCashflowTransactionService: DeleteCashflowTransaction;
+
+  /**
+   * Syncs the plaid accounts to the system accounts.
+   * @param {number} tenantId Tenant ID.
+   * @param {PlaidAccount[]} plaidAccounts
+   * @returns {Promise<void>}
+   */
+  public async syncBankAccounts(
+    tenantId: number,
+    plaidAccounts: PlaidAccount[],
+    institution: any
+  ): Promise<void> {
+    const transformToPlaidAccounts =
+      transformPlaidAccountToCreateAccount(institution);
+
+    const accountCreateDTOs = R.map(transformToPlaidAccounts)(plaidAccounts);
+
+    await bluebird.map(
+      accountCreateDTOs,
+      (createAccountDTO: any) =>
+        this.createAccountService.createAccount(tenantId, createAccountDTO),
+      { concurrency: CONCURRENCY_ASYNC }
+    );
+  }
+
+  /**
+   * Synsc the Plaid transactions to the system GL entries.
+   * @param {number} tenantId - Tenant ID.
+   * @param {number} plaidAccountId - Plaid account ID.
+   * @param {PlaidTransaction[]} plaidTranasctions - Plaid transactions
+   */
+  public async syncAccountTranactions(
+    tenantId: number,
+    plaidAccountId: number,
+    plaidTranasctions: PlaidTransaction[]
+  ): Promise<void> {
+    const { Account } = this.tenancy.models(tenantId);
+
+    const cashflowAccount = await Account.query()
+      .findOne({ plaidAccountId })
+      .throwIfNotFound();
+
+    const openingEquityBalance = await Account.query().findOne(
+      'slug',
+      'opening-balance-equity'
+    );
+    // Transformes the Plaid transactions to cashflow create DTOs.
+    const transformTransaction = transformPlaidTrxsToCashflowCreate(
+      cashflowAccount.id,
+      openingEquityBalance.id
+    );
+    const uncategorizedTransDTOs =
+      R.map(transformTransaction)(plaidTranasctions);
+
+    // Creating account transaction queue.
+    await bluebird.map(
+      uncategorizedTransDTOs,
+      (uncategoriedDTO) =>
+        this.cashflowApp.createUncategorizedTransaction(
+          tenantId,
+          uncategoriedDTO
+        ),
+      { concurrency: 1 }
+    );
+  }
+
+  /**
+   * Syncs the accounts transactions in paraller under controlled concurrency.
+   * @param {number} tenantId
+   * @param {PlaidTransaction[]} plaidTransactions
+   */
+  public async syncAccountsTransactions(
+    tenantId: number,
+    plaidAccountsTransactions: PlaidTransaction[]
+  ): Promise<void> {
+    const groupedTrnsxByAccountId = entries(
+      groupBy(plaidAccountsTransactions, 'account_id')
+    );
+    await bluebird.map(
+      groupedTrnsxByAccountId,
+      ([plaidAccountId, plaidTransactions]: [number, PlaidTransaction[]]) => {
+        return this.syncAccountTranactions(
+          tenantId,
+          plaidAccountId,
+          plaidTransactions
+        );
+      },
+      { concurrency: CONCURRENCY_ASYNC }
+    );
+  }
+
+  /**
+   * Syncs the removed Plaid transactions ids from the cashflow system transactions.
+   * @param {string[]} plaidTransactionsIds - Plaid Transactions IDs.
+   */
+  public async syncRemoveTransactions(
+    tenantId: number,
+    plaidTransactionsIds: string[]
+  ) {
+    const { CashflowTransaction } = this.tenancy.models(tenantId);
+
+    const cashflowTransactions = await CashflowTransaction.query().whereIn(
+      'plaidTransactionId',
+      plaidTransactionsIds
+    );
+    const cashflowTransactionsIds = cashflowTransactions.map(
+      (trans) => trans.id
+    );
+    await bluebird.map(
+      cashflowTransactionsIds,
+      (transactionId: number) =>
+        this.deleteCashflowTransactionService.deleteCashflowTransaction(
+          tenantId,
+          transactionId
+        ),
+      { concurrency: CONCURRENCY_ASYNC }
+    );
+  }
+
+  /**
+   * Syncs the Plaid item last transaction cursor.
+   * @param {number} tenantId - Tenant ID.
+   * @param {string} itemId - Plaid item ID.
+   * @param {string} lastCursor - Last transaction cursor.
+   */
+  public async syncTransactionsCursor(
+    tenantId: number,
+    plaidItemId: string,
+    lastCursor: string
+  ) {
+    const { PlaidItem } = this.tenancy.models(tenantId);
+
+    await PlaidItem.query().findOne({ plaidItemId }).patch({ lastCursor });
+  }
+
+  /**
+   * Updates the last feeds updated at of the given Plaid accounts ids.
+   * @param {number} tenantId
+   * @param {string[]} plaidAccountIds
+   */
+  public async updateLastFeedsUpdatedAt(
+    tenantId: number,
+    plaidAccountIds: string[]
+  ) {
+    const { Account } = this.tenancy.models(tenantId);
+
+    await Account.query().whereIn('plaid_account_id', plaidAccountIds).patch({
+      lastFeedsUpdatedAt: new Date(),
+    });
+  }
+
+  /**
+   * Updates the accounts feed active status of the given Plaid accounts ids.
+   * @param {number} tenantId
+   * @param {number[]} plaidAccountIds
+   * @param {boolean} isFeedsActive
+   */
+  public async updateAccountsFeedsActive(
+    tenantId: number,
+    plaidAccountIds: string[],
+    isFeedsActive: boolean = true
+  ) {
+    const { Account } = this.tenancy.models(tenantId);
+
+    await Account.query().whereIn('plaid_account_id', plaidAccountIds).patch({
+      isFeedsActive,
+    });
+  }
+}

packages/server/src/services/Banking/Plaid/PlaidUpdateTransactions.ts

@@ -0,0 +1,119 @@
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { Inject, Service } from 'typedi';
+import { PlaidClientWrapper } from '@/lib/Plaid/Plaid';
+import { PlaidSyncDb } from './PlaidSyncDB';
+import { PlaidFetchedTransactionsUpdates } from '@/interfaces';
+
+@Service()
+export class PlaidUpdateTransactions {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private plaidSync: PlaidSyncDb;
+
+  /**
+   * Handles the fetching and storing of new, modified, or removed transactions
+   * @param {number} tenantId Tenant ID.
+   * @param {string} plaidItemId the Plaid ID for the item.
+   */
+  public async updateTransactions(tenantId: number, plaidItemId: string) {
+    // Fetch new transactions from plaid api.
+    const { added, modified, removed, cursor, accessToken } =
+      await this.fetchTransactionUpdates(tenantId, plaidItemId);
+
+    const request = { access_token: accessToken };
+    const plaidInstance = new PlaidClientWrapper();
+    const {
+      data: { accounts, item },
+    } = await plaidInstance.accountsGet(request);
+
+    const plaidAccountsIds = accounts.map((a) => a.account_id);
+
+    const {
+      data: { institution },
+    } = await plaidInstance.institutionsGetById({
+      institution_id: item.institution_id,
+      country_codes: ['US', 'UK'],
+    });
+    // Update the DB.
+    await this.plaidSync.syncBankAccounts(tenantId, accounts, institution);
+    await this.plaidSync.syncAccountsTransactions(
+      tenantId,
+      added.concat(modified)
+    );
+    await this.plaidSync.syncRemoveTransactions(tenantId, removed);
+    await this.plaidSync.syncTransactionsCursor(tenantId, plaidItemId, cursor);
+
+    // Update the last feeds updated at of the updated accounts.
+    await this.plaidSync.updateLastFeedsUpdatedAt(tenantId, plaidAccountsIds);
+
+    // Turn on the accounts feeds flag.
+    await this.plaidSync.updateAccountsFeedsActive(tenantId, plaidAccountsIds);
+
+    return {
+      addedCount: added.length,
+      modifiedCount: modified.length,
+      removedCount: removed.length,
+    };
+  }
+
+  /**
+   * Fetches transactions from the `Plaid API` for a given item.
+   * @param {number} tenantId - Tenant ID.
+   * @param {string} plaidItemId - The Plaid ID for the item.
+   * @returns {Promise<PlaidFetchedTransactionsUpdates>}
+   */
+  private async fetchTransactionUpdates(
+    tenantId: number,
+    plaidItemId: string
+  ): Promise<PlaidFetchedTransactionsUpdates> {
+    // the transactions endpoint is paginated, so we may need to hit it multiple times to
+    // retrieve all available transactions.
+    const { PlaidItem } = this.tenancy.models(tenantId);
+
+    const plaidItem = await PlaidItem.query().findOne(
+      'plaidItemId',
+      plaidItemId
+    );
+    if (!plaidItem) {
+      throw new Error('The given Plaid item id is not found.');
+    }
+    const { plaidAccessToken, lastCursor } = plaidItem;
+    let cursor = lastCursor;
+
+    // New transaction updates since "cursor"
+    let added = [];
+    let modified = [];
+    // Removed transaction ids
+    let removed = [];
+    let hasMore = true;
+
+    const batchSize = 100;
+    try {
+      // Iterate through each page of new transaction updates for item
+      /* eslint-disable no-await-in-loop */
+      while (hasMore) {
+        const request = {
+          access_token: plaidAccessToken,
+          cursor: cursor,
+          count: batchSize,
+        };
+        const plaidInstance = new PlaidClientWrapper();
+        const response = await plaidInstance.transactionsSync(request);
+        const data = response.data;
+        // Add this page of results
+        added = added.concat(data.added);
+        modified = modified.concat(data.modified);
+        removed = removed.concat(data.removed);
+        hasMore = data.has_more;
+        // Update cursor to the next cursor
+        cursor = data.next_cursor;
+      }
+    } catch (err) {
+      console.error(`Error fetching transactions: ${err.message}`);
+      cursor = lastCursor;
+    }
+    return { added, modified, removed, cursor, accessToken: plaidAccessToken };
+  }
+}

packages/server/src/services/Banking/Plaid/PlaidWebhookTenantBootMiddleware.ts

@@ -0,0 +1,32 @@
+import { Request, Response, NextFunction } from 'express';
+import { SystemPlaidItem, Tenant } from '@/system/models';
+import tenantDependencyInjection from '@/api/middleware/TenantDependencyInjection';
+
+export const PlaidWebhookTenantBootMiddleware = async (
+  req: Request,
+  res: Response,
+  next: NextFunction
+) => {
+  const { item_id: plaidItemId } = req.body;
+  const plaidItem = await SystemPlaidItem.query().findOne({ plaidItemId });
+
+  const notFoundOrganization = () => {
+    return res.boom.unauthorized('Organization identication not found.', {
+      errors: [{ type: 'ORGANIZATION.ID.NOT.FOUND', code: 100 }],
+    });
+  };
+  // In case the given organization not found.
+  if (!plaidItem) {
+    return notFoundOrganization();
+  }
+  const tenant = await Tenant.query()
+    .findById(plaidItem.tenantId)
+    .withGraphFetched('metadata');
+
+  // When the given organization id not found on the system storage.
+  if (!tenant) {
+    return notFoundOrganization();
+  }
+  tenantDependencyInjection(req, tenant);
+  next();
+};

packages/server/src/services/Banking/Plaid/PlaidWebhooks.ts

@@ -0,0 +1,140 @@
+import { Inject, Service } from 'typedi';
+import { PlaidUpdateTransactions } from './PlaidUpdateTransactions';
+
+@Service()
+export class PlaidWebooks {
+  @Inject()
+  private updateTransactionsService: PlaidUpdateTransactions;
+
+  /**
+   * Listens to Plaid webhooks
+   * @param {number} tenantId - Tenant Id.
+   * @param {string} webhookType - Webhook type.
+   * @param {string} plaidItemId - Plaid item Id.
+   * @param {string} webhookCode - webhook code.
+   */
+  public async webhooks(
+    tenantId: number,
+    plaidItemId: string,
+    webhookType: string,
+    webhookCode: string
+  ): Promise<void> {
+    const _webhookType = webhookType.toLowerCase();
+
+    // There are five types of webhooks: AUTH, TRANSACTIONS, ITEM, INCOME, and ASSETS.
+    // @TODO implement handling for remaining webhook types.
+    const webhookHandlerMap = {
+      transactions: this.handleTransactionsWebooks.bind(this),
+      item: this.itemsHandler.bind(this),
+    };
+    const webhookHandler =
+      webhookHandlerMap[_webhookType] || this.unhandledWebhook;
+
+    await webhookHandler(tenantId, plaidItemId, webhookCode);
+  }
+
+  /**
+   * Handles all unhandled/not yet implemented webhook events.
+   * @param {string} webhookType
+   * @param {string} webhookCode
+   * @param {string} plaidItemId
+   */
+  private async unhandledWebhook(
+    webhookType: string,
+    webhookCode: string,
+    plaidItemId: string
+  ): Promise<void> {
+    console.log(
+      `UNHANDLED ${webhookType} WEBHOOK: ${webhookCode}: Plaid item id ${plaidItemId}: unhandled webhook type received.`
+    );
+  }
+
+  /**
+   * Logs to console and emits to socket
+   * @param {string} additionalInfo
+   * @param {string} webhookCode
+   * @param {string} plaidItemId
+   */
+  private serverLogAndEmitSocket(
+    additionalInfo: string,
+    webhookCode: string,
+    plaidItemId: string
+  ): void {
+    console.log(
+      `WEBHOOK: TRANSACTIONS: ${webhookCode}: Plaid_item_id ${plaidItemId}: ${additionalInfo}`
+    );
+  }
+
+  /**
+   * Handles all transaction webhook events. The transaction webhook notifies
+   * you that a single item has new transactions available.
+   * @param {number} tenantId
+   * @param {string} plaidItemId
+   * @param {string} webhookCode
+   * @returns {Promise<void>}
+   */
+  public async handleTransactionsWebooks(
+    tenantId: number,
+    plaidItemId: string,
+    webhookCode: string
+  ): Promise<void> {
+    switch (webhookCode) {
+      case 'SYNC_UPDATES_AVAILABLE': {
+        // Fired when new transactions data becomes available.
+        const { addedCount, modifiedCount, removedCount } =
+          await this.updateTransactionsService.updateTransactions(
+            tenantId,
+            plaidItemId
+          );
+        this.serverLogAndEmitSocket(
+          `Transactions: ${addedCount} added, ${modifiedCount} modified, ${removedCount} removed`,
+          webhookCode,
+          plaidItemId
+        );
+        break;
+      }
+      case 'DEFAULT_UPDATE':
+      case 'INITIAL_UPDATE':
+      case 'HISTORICAL_UPDATE':
+        /* ignore - not needed if using sync endpoint + webhook */
+        break;
+      default:
+        this.serverLogAndEmitSocket(
+          `unhandled webhook type received.`,
+          webhookCode,
+          plaidItemId
+        );
+    }
+  }
+
+  /**
+   * Handles all Item webhook events.
+   * @param {number} tenantId - Tenant ID
+   * @param {string} webhookCode - The webhook code
+   * @param {string} plaidItemId - The Plaid ID for the item
+   * @returns {Promise<void>}
+   */
+  public async itemsHandler(
+    tenantId: number,
+    plaidItemId: string,
+    webhookCode: string
+  ): Promise<void> {
+    switch (webhookCode) {
+      case 'WEBHOOK_UPDATE_ACKNOWLEDGED':
+        this.serverLogAndEmitSocket('is updated', plaidItemId, error);
+        break;
+      case 'ERROR': {
+        break;
+      }
+      case 'PENDING_EXPIRATION': {
+        break;
+      }
+      default:
+        this.serverLogAndEmitSocket(
+          'unhandled webhook type received.',
+          webhookCode,
+          plaidItemId
+        );
+    }
+  }
+}

packages/server/src/services/Banking/Plaid/subscribers/PlaidUpdateTransactionsOnItemCreatedSubscriber.ts

@@ -0,0 +1,34 @@
+import { Inject, Service } from 'typedi';
+import { EventSubscriber } from '@/lib/EventPublisher/EventPublisher';
+import { IPlaidItemCreatedEventPayload } from '@/interfaces/Plaid';
+import events from '@/subscribers/events';
+
+@Service()
+export class PlaidUpdateTransactionsOnItemCreatedSubscriber extends EventSubscriber {
+  @Inject('agenda')
+  private agenda: any;
+
+  /**
+   * Constructor method.
+   */
+  public attach(bus) {
+    bus.subscribe(
+      events.plaid.onItemCreated,
+      this.handleUpdateTransactionsOnItemCreated
+    );
+  }
+
+  /**
+   * Updates the Plaid item transactions
+   * @param {IPlaidItemCreatedEventPayload} payload - Event payload.
+   */
+  private handleUpdateTransactionsOnItemCreated = async ({
+    tenantId,
+    plaidItemId,
+    plaidAccessToken,
+    plaidInstitutionId,
+  }: IPlaidItemCreatedEventPayload) => {
+    const payload = { tenantId, plaidItemId };
+    await this.agenda.now('plaid-update-account-transactions', payload);
+  };
+}

packages/server/src/services/Banking/Plaid/utils.ts

@@ -0,0 +1,54 @@
+import * as R from 'ramda';
+import {
+  CreateUncategorizedTransactionDTO,
+  IAccountCreateDTO,
+  PlaidAccount,
+  PlaidTransaction,
+} from '@/interfaces';
+
+/**
+ * Transformes the Plaid account to create cashflow account DTO.
+ * @param {PlaidAccount} plaidAccount
+ * @returns {IAccountCreateDTO}
+ */
+export const transformPlaidAccountToCreateAccount = R.curry(
+  (institution: any, plaidAccount: PlaidAccount): IAccountCreateDTO => {
+    return {
+      name: `${institution.name} - ${plaidAccount.name}`,
+      code: '',
+      description: plaidAccount.official_name,
+      currencyCode: plaidAccount.balances.iso_currency_code,
+      accountType: 'cash',
+      active: true,
+      plaidAccountId: plaidAccount.account_id,
+      bankBalance: plaidAccount.balances.current,
+      accountMask: plaidAccount.mask,
+    };
+  }
+);
+
+/**
+ * Transformes the plaid transaction to cashflow create DTO.
+ * @param {number} cashflowAccountId - Cashflow account ID.
+ * @param {number} creditAccountId - Credit account ID.
+ * @param {PlaidTransaction} plaidTranasction - Plaid transaction.
+ * @returns {CreateUncategorizedTransactionDTO}
+ */
+export const transformPlaidTrxsToCashflowCreate = R.curry(
+  (
+    cashflowAccountId: number,
+    creditAccountId: number,
+    plaidTranasction: PlaidTransaction
+  ): CreateUncategorizedTransactionDTO => {
+    return {
+      date: plaidTranasction.date,
+      amount: plaidTranasction.amount,
+      description: plaidTranasction.name,
+      payee: plaidTranasction.payment_meta?.payee,
+      currencyCode: plaidTranasction.iso_currency_code,
+      accountId: cashflowAccountId,
+      referenceNo: plaidTranasction.payment_meta?.reference_number,
+      plaidTransactionId: plaidTranasction.transaction_id,
+    };
+  }
+);

packages/server/src/services/Cashflow/CashflowApplication.ts

@@ -0,0 +1,213 @@
+import { Inject, Service } from 'typedi';
+import { DeleteCashflowTransaction } from './DeleteCashflowTransactionService';
+import { UncategorizeCashflowTransaction } from './UncategorizeCashflowTransaction';
+import { CategorizeCashflowTransaction } from './CategorizeCashflowTransaction';
+import {
+  CategorizeTransactionAsExpenseDTO,
+  CreateUncategorizedTransactionDTO,
+  ICashflowAccountsFilter,
+  ICashflowNewCommandDTO,
+  ICategorizeCashflowTransactioDTO,
+  IGetUncategorizedTransactionsQuery,
+} from '@/interfaces';
+import { CategorizeTransactionAsExpense } from './CategorizeTransactionAsExpense';
+import { GetUncategorizedTransactions } from './GetUncategorizedTransactions';
+import { CreateUncategorizedTransaction } from './CreateUncategorizedTransaction';
+import { GetUncategorizedTransaction } from './GetUncategorizedTransaction';
+import NewCashflowTransactionService from './NewCashflowTransactionService';
+import GetCashflowAccountsService from './GetCashflowAccountsService';
+import { GetCashflowTransactionService } from './GetCashflowTransactionsService';
+
+@Service()
+export class CashflowApplication {
+  @Inject()
+  private createTransactionService: NewCashflowTransactionService;
+
+  @Inject()
+  private deleteTransactionService: DeleteCashflowTransaction;
+
+  @Inject()
+  private getCashflowAccountsService: GetCashflowAccountsService;
+
+  @Inject()
+  private getCashflowTransactionService: GetCashflowTransactionService;
+
+  @Inject()
+  private uncategorizeTransactionService: UncategorizeCashflowTransaction;
+
+  @Inject()
+  private categorizeTransactionService: CategorizeCashflowTransaction;
+
+  @Inject()
+  private categorizeAsExpenseService: CategorizeTransactionAsExpense;
+
+  @Inject()
+  private getUncategorizedTransactionsService: GetUncategorizedTransactions;
+
+  @Inject()
+  private getUncategorizedTransactionService: GetUncategorizedTransaction;
+
+  @Inject()
+  private createUncategorizedTransactionService: CreateUncategorizedTransaction;
+
+  /**
+   * Creates a new cashflow transaction.
+   * @param {number} tenantId
+   * @param {ICashflowNewCommandDTO} transactionDTO
+   * @param {number} userId
+   * @returns
+   */
+  public createTransaction(
+    tenantId: number,
+    transactionDTO: ICashflowNewCommandDTO,
+    userId?: number
+  ) {
+    return this.createTransactionService.newCashflowTransaction(
+      tenantId,
+      transactionDTO,
+      userId
+    );
+  }
+
+  /**
+   * Deletes the given cashflow transaction.
+   * @param {number} tenantId
+   * @param {number} cashflowTransactionId
+   * @returns
+   */
+  public deleteTransaction(tenantId: number, cashflowTransactionId: number) {
+    return this.deleteTransactionService.deleteCashflowTransaction(
+      tenantId,
+      cashflowTransactionId
+    );
+  }
+
+  /**
+   * Retrieves specific cashflow transaction.
+   * @param {number} tenantId
+   * @param {number} cashflowTransactionId
+   * @returns
+   */
+  public getTransaction(tenantId: number, cashflowTransactionId: number) {
+    return this.getCashflowTransactionService.getCashflowTransaction(
+      tenantId,
+      cashflowTransactionId
+    );
+  }
+
+  /**
+   * Retrieves the cashflow accounts.
+   * @param {number} tenantId
+   * @param {ICashflowAccountsFilter} filterDTO
+   * @returns
+   */
+  public getCashflowAccounts(
+    tenantId: number,
+    filterDTO: ICashflowAccountsFilter
+  ) {
+    return this.getCashflowAccountsService.getCashflowAccounts(
+      tenantId,
+      filterDTO
+    );
+  }
+
+  /**
+   * Creates a new uncategorized cash transaction.
+   * @param {number} tenantId
+   * @param {CreateUncategorizedTransactionDTO} createUncategorizedTransactionDTO
+   * @returns {IUncategorizedCashflowTransaction}
+   */
+  public createUncategorizedTransaction(
+    tenantId: number,
+    createUncategorizedTransactionDTO: CreateUncategorizedTransactionDTO
+  ) {
+    return this.createUncategorizedTransactionService.create(
+      tenantId,
+      createUncategorizedTransactionDTO
+    );
+  }
+
+  /**
+   * Uncategorize the given cashflow transaction.
+   * @param {number} tenantId
+   * @param {number} cashflowTransactionId
+   * @returns
+   */
+  public uncategorizeTransaction(
+    tenantId: number,
+    cashflowTransactionId: number
+  ) {
+    return this.uncategorizeTransactionService.uncategorize(
+      tenantId,
+      cashflowTransactionId
+    );
+  }
+
+  /**
+   * Categorize the given cashflow transaction.
+   * @param {number} tenantId
+   * @param {number} cashflowTransactionId
+   * @param {ICategorizeCashflowTransactioDTO} categorizeDTO
+   * @returns
+   */
+  public categorizeTransaction(
+    tenantId: number,
+    cashflowTransactionId: number,
+    categorizeDTO: ICategorizeCashflowTransactioDTO
+  ) {
+    return this.categorizeTransactionService.categorize(
+      tenantId,
+      cashflowTransactionId,
+      categorizeDTO
+    );
+  }
+
+  /**
+   * Categorizes the given cashflow transaction as expense transaction.
+   * @param {number} tenantId
+   * @param {number} cashflowTransactionId
+   * @param {CategorizeTransactionAsExpenseDTO} transactionDTO
+   */
+  public categorizeAsExpense(
+    tenantId: number,
+    cashflowTransactionId: number,
+    transactionDTO: CategorizeTransactionAsExpenseDTO
+  ) {
+    return this.categorizeAsExpenseService.categorize(
+      tenantId,
+      cashflowTransactionId,
+      transactionDTO
+    );
+  }
+
+  /**
+   * Retrieves the uncategorized cashflow transactions.
+   * @param {number} tenantId
+   */
+  public getUncategorizedTransactions(
+    tenantId: number,
+    accountId: number,
+    query: IGetUncategorizedTransactionsQuery
+  ) {
+    return this.getUncategorizedTransactionsService.getTransactions(
+      tenantId,
+      accountId,
+      query
+    );
+  }
+
+  /**
+   * Retrieves specific uncategorized transaction.
+   * @param {number} tenantId
+   * @param {number} uncategorizedTransactionId
+   */
+  public getUncategorizedTransaction(
+    tenantId: number,
+    uncategorizedTransactionId: number
+  ) {
+    return this.getUncategorizedTransactionService.getTransaction(
+      tenantId,
+      uncategorizedTransactionId
+    );
+  }
+}

packages/server/src/services/Cashflow/CashflowTransactionJournalEntries.ts

@@ -1,11 +1,9 @@
 import { Inject, Service } from 'typedi';
 import { Knex } from 'knex';
-import * as R from 'ramda';
 import {
   ILedgerEntry,
   ICashflowTransaction,
   AccountNormal,
-  ICashflowTransactionLine,
 } from '../../interfaces';
 import {
   transformCashflowTransactionType,

packages/server/src/services/Cashflow/CategorizeCashflowTransaction.ts

@@ -0,0 +1,101 @@
+import { Inject, Service } from 'typedi';
+import HasTenancyService from '../Tenancy/TenancyService';
+import events from '@/subscribers/events';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import UnitOfWork from '../UnitOfWork';
+import {
+  ICashflowTransactionCategorizedPayload,
+  ICashflowTransactionUncategorizingPayload,
+  ICategorizeCashflowTransactioDTO,
+} from '@/interfaces';
+import { Knex } from 'knex';
+import { transformCategorizeTransToCashflow } from './utils';
+import { CommandCashflowValidator } from './CommandCasflowValidator';
+import NewCashflowTransactionService from './NewCashflowTransactionService';
+import { TransferAuthorizationGuaranteeDecision } from 'plaid';
+
+@Service()
+export class CategorizeCashflowTransaction {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  @Inject()
+  private uow: UnitOfWork;
+
+  @Inject()
+  private commandValidators: CommandCashflowValidator;
+
+  @Inject()
+  private createCashflow: NewCashflowTransactionService;
+
+  /**
+   * Categorize the given cashflow transaction.
+   * @param {number} tenantId
+   * @param {ICategorizeCashflowTransactioDTO} categorizeDTO
+   */
+  public async categorize(
+    tenantId: number,
+    uncategorizedTransactionId: number,
+    categorizeDTO: ICategorizeCashflowTransactioDTO
+  ) {
+    const { UncategorizedCashflowTransaction } = this.tenancy.models(tenantId);
+
+    // Retrieves the uncategorized transaction or throw an error.
+    const transaction = await UncategorizedCashflowTransaction.query()
+      .findById(uncategorizedTransactionId)
+      .throwIfNotFound();
+
+    // Validates the transaction shouldn't be categorized before.
+    this.commandValidators.validateTransactionShouldNotCategorized(transaction);
+
+    // Validate the uncateogirzed transaction if it's deposit the transaction direction
+    // should `IN` and the same thing if it's withdrawal the direction should be OUT.
+    this.commandValidators.validateUncategorizeTransactionType(
+      transaction,
+      categorizeDTO.transactionType
+    );
+    // Edits the cashflow transaction under UOW env.
+    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
+      // Triggers `onTransactionCategorizing` event.
+      await this.eventPublisher.emitAsync(
+        events.cashflow.onTransactionCategorizing,
+        {
+          tenantId,
+          trx,
+        } as ICashflowTransactionUncategorizingPayload
+      );
+      // Transformes the categorize DTO to the cashflow transaction.
+      const cashflowTransactionDTO = transformCategorizeTransToCashflow(
+        transaction,
+        categorizeDTO
+      );
+      // Creates a new cashflow transaction.
+      const cashflowTransaction =
+        await this.createCashflow.newCashflowTransaction(
+          tenantId,
+          cashflowTransactionDTO
+        );
+      // Updates the uncategorized transaction as categorized.
+      await UncategorizedCashflowTransaction.query(trx).patchAndFetchById(
+        uncategorizedTransactionId,
+        {
+          categorized: true,
+          categorizeRefType: 'CashflowTransaction',
+          categorizeRefId: cashflowTransaction.id,
+        }
+      );
+      // Triggers `onCashflowTransactionCategorized` event.
+      await this.eventPublisher.emitAsync(
+        events.cashflow.onTransactionCategorized,
+        {
+          tenantId,
+          // cashflowTransaction,
+          trx,
+        } as ICashflowTransactionCategorizedPayload
+      );
+    });
+  }
+}

packages/server/src/services/Cashflow/CategorizeTransactionAsExpense.ts

@@ -0,0 +1,80 @@
+import {
+  CategorizeTransactionAsExpenseDTO,
+  ICashflowTransactionCategorizedPayload,
+} from '@/interfaces';
+import { Inject, Service } from 'typedi';
+import UnitOfWork from '../UnitOfWork';
+import events from '@/subscribers/events';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import HasTenancyService from '../Tenancy/TenancyService';
+import { Knex } from 'knex';
+import { CreateExpense } from '../Expenses/CRUD/CreateExpense';
+
+@Service()
+export class CategorizeTransactionAsExpense {
+  @Inject()
+  private uow: UnitOfWork;
+
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  @Inject()
+  private createExpenseService: CreateExpense;
+
+  /**
+   * Categorize the transaction as expense transaction.
+   * @param {number} tenantId
+   * @param {number} cashflowTransactionId
+   * @param {CategorizeTransactionAsExpenseDTO} transactionDTO
+   */
+  public async categorize(
+    tenantId: number,
+    cashflowTransactionId: number,
+    transactionDTO: CategorizeTransactionAsExpenseDTO
+  ) {
+    const { CashflowTransaction } = this.tenancy.models(tenantId);
+
+    const transaction = await CashflowTransaction.query()
+      .findById(cashflowTransactionId)
+      .throwIfNotFound();
+
+    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
+      // Triggers `onTransactionUncategorizing` event.
+      await this.eventPublisher.emitAsync(
+        events.cashflow.onTransactionCategorizingAsExpense,
+        {
+          tenantId,
+          trx,
+        } as ICashflowTransactionCategorizedPayload
+      );
+      // Creates a new expense transaction.
+      const expenseTransaction = await this.createExpenseService.newExpense(
+        tenantId,
+        {
+          
+        },
+        1
+      );
+      // Updates the item on the storage and fetches the updated once.
+      const cashflowTransaction = await CashflowTransaction.query(
+        trx
+      ).patchAndFetchById(cashflowTransactionId, {
+        categorizeRefType: 'Expense',
+        categorizeRefId: expenseTransaction.id,
+        uncategorized: true,
+      });
+      // Triggers `onTransactionUncategorized` event.
+      await this.eventPublisher.emitAsync(
+        events.cashflow.onTransactionCategorizedAsExpense,
+        {
+          tenantId,
+          cashflowTransaction,
+          trx,
+        } as ICashflowTransactionUncategorizedPayload
+      );
+    });
+  }
+}

packages/server/src/services/Cashflow/CommandCasflowValidator.ts

@@ -1,9 +1,14 @@
 import { Service } from 'typedi';
 import { includes, camelCase, upperFirst } from 'lodash';
-import { IAccount } from '@/interfaces';
+import { IAccount, IUncategorizedCashflowTransaction } from '@/interfaces';
 import { getCashflowTransactionType } from './utils';
 import { ServiceError } from '@/exceptions';
-import { CASHFLOW_TRANSACTION_TYPE, ERRORS } from './constants';
+import {
+  CASHFLOW_DIRECTION,
+  CASHFLOW_TRANSACTION_TYPE,
+  ERRORS,
+} from './constants';
+import CashflowTransaction from '@/models/CashflowTransaction';
 
 @Service()
 export class CommandCashflowValidator {
@@ -46,4 +51,52 @@ export class CommandCashflowValidator {
     }
     return transformedType;
   };
+
+  /**
+   * Validate the given transaction should be categorized.
+   * @param {CashflowTransaction} cashflowTransaction
+   */
+  public validateTransactionShouldCategorized(
+    cashflowTransaction: CashflowTransaction
+  ) {
+    if (!cashflowTransaction.uncategorize) {
+      throw new ServiceError(ERRORS.TRANSACTION_ALREADY_CATEGORIZED);
+    }
+  }
+
+  /**
+   * Validate the given transcation shouldn't be categorized.
+   * @param {CashflowTransaction} cashflowTransaction
+   */
+  public validateTransactionShouldNotCategorized(
+    cashflowTransaction: CashflowTransaction
+  ) {
+    if (cashflowTransaction.uncategorize) {
+      throw new ServiceError(ERRORS.TRANSACTION_ALREADY_CATEGORIZED);
+    }
+  }
+
+  /**
+   *
+   * @param {uncategorizeTransaction}
+   * @param {string} transactionType
+   * @throws {ServiceError(ERRORS.UNCATEGORIZED_TRANSACTION_TYPE_INVALID)}
+   */
+  public validateUncategorizeTransactionType(
+    uncategorizeTransaction: IUncategorizedCashflowTransaction,
+    transactionType: string
+  ) {
+    const type = getCashflowTransactionType(
+      upperFirst(camelCase(transactionType)) as CASHFLOW_TRANSACTION_TYPE
+    );
+    if (
+      (type.direction === CASHFLOW_DIRECTION.IN &&
+        uncategorizeTransaction.isDepositTransaction) ||
+      (type.direction === CASHFLOW_DIRECTION.OUT &&
+        uncategorizeTransaction.isWithdrawalTransaction)
+    ) {
+      return;
+    }
+    throw new ServiceError(ERRORS.UNCATEGORIZED_TRANSACTION_TYPE_INVALID);
+  }
 }

packages/server/src/services/Cashflow/CreateUncategorizedTransaction.ts

@@ -0,0 +1,40 @@
+import { Knex } from 'knex';
+import { Inject, Service } from 'typedi';
+import HasTenancyService from '../Tenancy/TenancyService';
+import UnitOfWork from '../UnitOfWork';
+import { CreateUncategorizedTransactionDTO } from '@/interfaces';
+
+@Service()
+export class CreateUncategorizedTransaction {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private uow: UnitOfWork;
+
+  /**
+   * Creates an uncategorized cashflow transaction.
+   * @param {number} tenantId
+   * @param {CreateUncategorizedTransactionDTO} createDTO
+   */
+  public create(
+    tenantId: number,
+    createDTO: CreateUncategorizedTransactionDTO,
+    trx?: Knex.Transaction
+  ) {
+    const { UncategorizedCashflowTransaction } = this.tenancy.models(tenantId);
+
+    return this.uow.withTransaction(
+      tenantId,
+      async (trx: Knex.Transaction) => {
+        const transaction = await UncategorizedCashflowTransaction.query(
+          trx
+        ).insertAndFetch({
+          ...createDTO,
+        });
+        return transaction;
+      },
+      trx
+    );
+  }
+}

packages/server/src/services/Cashflow/DeleteCashflowTransactionService.ts

@@ -13,15 +13,15 @@ import UnitOfWork from '@/services/UnitOfWork';
 import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
 
 @Service()
-export default class CommandCashflowTransactionService {
+export class DeleteCashflowTransaction {
   @Inject()
-  tenancy: HasTenancyService;
+  private tenancy: HasTenancyService;
 
   @Inject()
-  eventPublisher: EventPublisher;
+  private eventPublisher: EventPublisher;
 
   @Inject()
-  uow: UnitOfWork;
+  private uow: UnitOfWork;
 
   /**
    * Deletes the cashflow transaction with associated journal entries.

packages/server/src/services/Cashflow/GetCashflowTransactionsService.ts

@@ -4,17 +4,13 @@ import { CashflowTransactionTransformer } from './CashflowTransactionTransformer
 import { ERRORS } from './constants';
 import { ICashflowTransaction } from '@/interfaces';
 import { ServiceError } from '@/exceptions';
-import I18nService from '@/services/I18n/I18nService';
 import { TransformerInjectable } from '@/lib/Transformer/TransformerInjectable';
 
 @Service()
-export default class GetCashflowTransactionsService {
+export class GetCashflowTransactionService {
   @Inject()
   private tenancy: HasTenancyService;
 
-  @Inject()
-  private i18nService: I18nService;
-
   @Inject()
   private transfromer: TransformerInjectable;
 
@@ -35,6 +31,7 @@ export default class GetCashflowTransactionsService {
       .withGraphFetched('entries.cashflowAccount')
       .withGraphFetched('entries.creditAccount')
       .withGraphFetched('transactions.account')
+      .orderBy('date', 'DESC')
       .throwIfNotFound();
 
     this.throwErrorCashflowTranscationNotFound(cashflowTransaction);

packages/server/src/services/Cashflow/GetUncategorizedTransaction.ts

@@ -0,0 +1,36 @@
+import { Inject, Service } from 'typedi';
+import HasTenancyService from '../Tenancy/TenancyService';
+import { TransformerInjectable } from '@/lib/Transformer/TransformerInjectable';
+import { UncategorizedTransactionTransformer } from './UncategorizedTransactionTransformer';
+
+@Service()
+export class GetUncategorizedTransaction {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private transformer: TransformerInjectable;
+
+  /**
+   * Retrieves specific uncategorized cashflow transaction.
+   * @param {number} tenantId - Tenant id.
+   * @param {number} uncategorizedTransactionId - Uncategorized transaction id.
+   */
+  public async getTransaction(
+    tenantId: number,
+    uncategorizedTransactionId: number
+  ) {
+    const { UncategorizedCashflowTransaction } = this.tenancy.models(tenantId);
+
+    const transaction = await UncategorizedCashflowTransaction.query()
+      .findById(uncategorizedTransactionId)
+      .withGraphFetched('account')
+      .throwIfNotFound();
+
+    return this.transformer.transform(
+      tenantId,
+      transaction,
+      new UncategorizedTransactionTransformer()
+    );
+  }
+}

packages/server/src/services/Cashflow/GetUncategorizedTransactions.ts

@@ -0,0 +1,51 @@
+import { Inject, Service } from 'typedi';
+import HasTenancyService from '../Tenancy/TenancyService';
+import { TransformerInjectable } from '@/lib/Transformer/TransformerInjectable';
+import { UncategorizedTransactionTransformer } from './UncategorizedTransactionTransformer';
+import { IGetUncategorizedTransactionsQuery } from '@/interfaces';
+
+@Service()
+export class GetUncategorizedTransactions {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private transformer: TransformerInjectable;
+
+  /**
+   * Retrieves the uncategorized cashflow transactions.
+   * @param {number} tenantId - Tenant id.
+   * @param {number} accountId - Account Id.
+   */
+  public async getTransactions(
+    tenantId: number,
+    accountId: number,
+    query: IGetUncategorizedTransactionsQuery
+  ) {
+    const { UncategorizedCashflowTransaction } = this.tenancy.models(tenantId);
+
+    // Parsed query with default values.
+    const _query = {
+      page: 1,
+      pageSize: 20,
+      ...query,
+    };
+    const { results, pagination } =
+      await UncategorizedCashflowTransaction.query()
+        .where('accountId', accountId)
+        .where('categorized', false)
+        .withGraphFetched('account')
+        .orderBy('date', 'DESC')
+        .pagination(_query.page - 1, _query.pageSize);
+
+    const data = await this.transformer.transform(
+      tenantId,
+      results,
+      new UncategorizedTransactionTransformer()
+    );
+    return {
+      data,
+      pagination,
+    };
+  }
+}

packages/server/src/services/Cashflow/NewCashflowTransactionService.ts

@@ -1,11 +1,10 @@
 import { Service, Inject } from 'typedi';
-import { isEmpty, pick } from 'lodash';
+import { pick } from 'lodash';
 import { Knex } from 'knex';
 import * as R from 'ramda';
 import {
   ICashflowNewCommandDTO,
   ICashflowTransaction,
-  ICashflowTransactionLine,
   ICommandCashflowCreatedPayload,
   ICommandCashflowCreatingPayload,
   ICashflowTransactionInput,
@@ -86,6 +85,8 @@ export default class NewCashflowTransactionService {
       'cashflowAccountId',
       'creditAccountId',
       'branchId',
+      'plaidTransactionId',
+      'uncategorizedTransactionId',
     ]);
     // Retreive the next invoice number.
     const autoNextNumber =
@@ -124,8 +125,8 @@ export default class NewCashflowTransactionService {
   public newCashflowTransaction = async (
     tenantId: number,
     newTransactionDTO: ICashflowNewCommandDTO,
-    userId: number
-  ): Promise<{ cashflowTransaction: ICashflowTransaction }> => {
+    userId?: number
+  ): Promise<ICashflowTransaction> => {
     const { CashflowTransaction, Account } = this.tenancy.models(tenantId);
 
     // Retrieves the cashflow account or throw not found error.
@@ -174,7 +175,7 @@ export default class NewCashflowTransactionService {
           trx,
         } as ICommandCashflowCreatedPayload
       );
-      return { cashflowTransaction };
+      return cashflowTransaction;
     });
   };
 }

packages/server/src/services/Cashflow/UncategorizeCashflowTransaction.ts

@@ -0,0 +1,72 @@
+import { Knex } from 'knex';
+import { Inject, Service } from 'typedi';
+import HasTenancyService from '../Tenancy/TenancyService';
+import UnitOfWork from '../UnitOfWork';
+import events from '@/subscribers/events';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import {
+  ICashflowTransactionUncategorizedPayload,
+  ICashflowTransactionUncategorizingPayload,
+} from '@/interfaces';
+
+@Service()
+export class UncategorizeCashflowTransaction {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  @Inject()
+  private uow: UnitOfWork;
+
+  /**
+   * Uncategorizes the given cashflow transaction.
+   * @param {number} tenantId
+   * @param {number} cashflowTransactionId
+   */
+  public async uncategorize(
+    tenantId: number,
+    uncategorizedTransactionId: number
+  ) {
+    const { UncategorizedCashflowTransaction } = this.tenancy.models(tenantId);
+
+    const oldUncategorizedTransaction =
+      await UncategorizedCashflowTransaction.query()
+        .findById(uncategorizedTransactionId)
+        .throwIfNotFound();
+
+    // Updates the transaction under UOW.
+    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
+      // Triggers `onTransactionUncategorizing` event.
+      await this.eventPublisher.emitAsync(
+        events.cashflow.onTransactionUncategorizing,
+        {
+          tenantId,
+          trx,
+        } as ICashflowTransactionUncategorizingPayload
+      );
+      // Removes the ref relation with the related transaction.
+      const uncategorizedTransaction =
+        await UncategorizedCashflowTransaction.query(trx).updateAndFetchById(
+          uncategorizedTransactionId,
+          {
+            categorized: false,
+            categorizeRefId: null,
+            categorizeRefType: null,
+          }
+        );
+      // Triggers `onTransactionUncategorized` event.
+      await this.eventPublisher.emitAsync(
+        events.cashflow.onTransactionUncategorized,
+        {
+          tenantId,
+          uncategorizedTransaction,
+          oldUncategorizedTransaction,
+          trx,
+        } as ICashflowTransactionUncategorizedPayload
+      );
+      return uncategorizedTransaction;
+    });
+  }
+}

packages/server/src/services/Cashflow/UncategorizedTransactionTransformer.ts

@@ -0,0 +1,65 @@
+import { Transformer } from '@/lib/Transformer/Transformer';
+import { formatNumber } from '@/utils';
+
+export class UncategorizedTransactionTransformer extends Transformer {
+  /**
+   * Include these attributes to sale invoice object.
+   * @returns {string[]}
+   */
+  public includeAttributes = (): string[] => {
+    return [
+      'formattedAmount',
+      'formattedDate',
+      'formattetDepositAmount',
+      'formattedWithdrawalAmount',
+    ];
+  };
+
+  /**
+   * Formattes the transaction date.
+   * @param transaction
+   * @returns {string}
+   */
+  public formattedDate(transaction) {
+    return this.formatDate(transaction.date);
+  }
+
+  /**
+   * Formatted amount.
+   * @param transaction 
+   * @returns {string}
+   */
+  public formattedAmount(transaction) {
+    return formatNumber(transaction.amount, {
+      currencyCode: transaction.currencyCode,
+    });
+  }
+
+  /**
+   * Formatted deposit amount.
+   * @param transaction
+   * @returns {string}
+   */
+  protected formattetDepositAmount(transaction) {
+    if (transaction.isDepositTransaction) {
+      return formatNumber(transaction.deposit, {
+        currencyCode: transaction.currencyCode,
+      });
+    }
+    return '';
+  }
+
+  /**
+   * Formatted withdrawal amount.
+   * @param transaction
+   * @returns {string}
+   */
+  protected formattedWithdrawalAmount(transaction) {
+    if (transaction.isWithdrawalTransaction) {
+      return formatNumber(transaction.withdrawal, {
+        currencyCode: transaction.currencyCode,
+      });
+    }
+    return '';
+  }
+}

packages/server/src/services/Cashflow/UncategorizedTransactionsImportable.ts

@@ -0,0 +1,82 @@
+import { Inject, Service } from 'typedi';
+import { Knex } from 'knex';
+import * as yup from 'yup';
+import { Importable } from '../Import/Importable';
+import { CreateUncategorizedTransaction } from './CreateUncategorizedTransaction';
+import { CreateUncategorizedTransactionDTO } from '@/interfaces';
+import { ImportableContext } from '../Import/interfaces';
+import HasTenancyService from '../Tenancy/TenancyService';
+import { BankTransactionsSampleData } from './constants';
+
+@Service()
+export class UncategorizedTransactionsImportable extends Importable {
+  @Inject()
+  private createUncategorizedTransaction: CreateUncategorizedTransaction;
+
+  @Inject()
+  private tenancy: HasTenancyService;
+  /**
+   * Passing the sheet DTO to create uncategorized transaction.
+   * @param {number} tenantId
+   * @param {number} tenantId
+   * @param {any} createDTO
+   * @param {Knex.Transaction} trx
+   */
+  public async importable(
+    tenantId: number,
+    createDTO: CreateUncategorizedTransactionDTO,
+    trx?: Knex.Transaction
+  ) {
+    return this.createUncategorizedTransaction.create(tenantId, createDTO, trx);
+  }
+
+  /**
+   * Transformes the DTO before validating and importing.
+   * @param {CreateUncategorizedTransactionDTO} createDTO
+   * @param {ImportableContext} context
+   * @returns {CreateUncategorizedTransactionDTO}
+   */
+  public transform(
+    createDTO: CreateUncategorizedTransactionDTO,
+    context?: ImportableContext
+  ): CreateUncategorizedTransactionDTO {
+    return {
+      ...createDTO,
+      accountId: context.import.paramsParsed.accountId,
+    };
+  }
+
+  /**
+   * Sample data used to download sample sheet.
+   * @returns {Record<string, any>[]}
+   */
+  public sampleData(): Record<string, any>[] {
+    return BankTransactionsSampleData;
+  }
+
+  /**
+   * Params validation schema.
+   * @returns {ValidationSchema[]}
+   */
+  public paramsValidationSchema() {
+    return yup.object().shape({
+      accountId: yup.number().required(),
+    });
+  }
+
+  /**
+   * Validates the params existance asyncly.
+   * @param {number} tenantId -
+   * @param {Record<string, any>} params -
+   */
+  public async validateParams(
+    tenantId: number,
+    params: Record<string, any>
+  ): Promise<void> {
+    const { Account } = this.tenancy.models(tenantId);
+
+    if (params.accountId) {
+      await Account.query().findById(params.accountId).throwIfNotFound({});
+    }
+  }
+}

packages/server/src/services/Cashflow/constants.ts

@@ -8,7 +8,13 @@ export const ERRORS = {
   CREDIT_ACCOUNTS_IDS_NOT_FOUND: 'CREDIT_ACCOUNTS_IDS_NOT_FOUND',
   CREDIT_ACCOUNTS_HAS_INVALID_TYPE: 'CREDIT_ACCOUNTS_HAS_INVALID_TYPE',
   ACCOUNT_ID_HAS_INVALID_TYPE: 'ACCOUNT_ID_HAS_INVALID_TYPE',
-  ACCOUNT_HAS_ASSOCIATED_TRANSACTIONS: 'account_has_associated_transactions'
+  ACCOUNT_HAS_ASSOCIATED_TRANSACTIONS: 'account_has_associated_transactions',
+  TRANSACTION_ALREADY_CATEGORIZED: 'TRANSACTION_ALREADY_CATEGORIZED',
+  TRANSACTION_ALREADY_UNCATEGORIZED: 'TRANSACTION_ALREADY_UNCATEGORIZED',
+  UNCATEGORIZED_TRANSACTION_TYPE_INVALID:
+    'UNCATEGORIZED_TRANSACTION_TYPE_INVALID',
+  CANNOT_DELETE_TRANSACTION_CONVERTED_FROM_UNCATEGORIZED:
+    'CANNOT_DELETE_TRANSACTION_CONVERTED_FROM_UNCATEGORIZED',
 };
 
 export enum CASHFLOW_DIRECTION {
@@ -71,3 +77,29 @@ export interface ICashflowTransactionTypeMeta {
   direction: CASHFLOW_DIRECTION;
   creditType: string[];
 }
+
+export const BankTransactionsSampleData = [
+  [
+    {
+      Amount: '6,410.19',
+      Date: '2024-03-26',
+      Payee: 'MacGyver and Sons',
+      'Reference No.': 'REF-1',
+      Description: 'Commodi quo labore.',
+    },
+    {
+      Amount: '8,914.17',
+      Date: '2024-01-05',
+      Payee: 'Eichmann - Bergnaum',
+      'Reference No.': 'REF-1',
+      Description: 'Quia enim et.',
+    },
+    {
+      Amount: '6,200.88',
+      Date: '2024-02-17',
+      Payee: 'Luettgen, Mraz and Legros',
+      'Reference No.': 'REF-1',
+      Description: 'Occaecati consequuntur cum impedit illo.',
+    },
+  ],
+];

packages/server/src/services/Cashflow/subscribers/DeleteCashflowTransactionOnUncategorize.ts

@@ -0,0 +1,42 @@
+import { Inject, Service } from 'typedi';
+import events from '@/subscribers/events';
+import { ICashflowTransactionUncategorizedPayload } from '@/interfaces';
+import { DeleteCashflowTransaction } from '../DeleteCashflowTransactionService';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+
+@Service()
+export class DeleteCashflowTransactionOnUncategorize {
+  @Inject()
+  private deleteCashflowTransactionService: DeleteCashflowTransaction;
+
+  /**
+   * Attaches events with handlers.
+   */
+  public attach = (bus) => {
+    bus.subscribe(
+      events.cashflow.onTransactionUncategorized,
+      this.deleteCashflowTransactionOnUncategorize.bind(this)
+    );
+  };
+
+  /**
+   * Deletes the cashflow transaction on uncategorize transaction.
+   * @param {ICashflowTransactionUncategorizedPayload} payload
+   */
+  public async deleteCashflowTransactionOnUncategorize({
+    tenantId,
+    oldUncategorizedTransaction,
+    trx,
+  }: ICashflowTransactionUncategorizedPayload) {
+    // Deletes the cashflow transaction.
+    if (
+      oldUncategorizedTransaction.categorizeRefType === 'CashflowTransaction'
+    ) {
+      await this.deleteCashflowTransactionService.deleteCashflowTransaction(
+        tenantId,
+
+        oldUncategorizedTransaction.categorizeRefId
+      );
+    }
+  }
+}

packages/server/src/services/Cashflow/subscribers/PreventDeleteTransactionsOnDelete.ts

@@ -0,0 +1,52 @@
+import { Inject, Service } from 'typedi';
+import events from '@/subscribers/events';
+import { ICommandCashflowDeletingPayload } from '@/interfaces';
+import { ServiceError } from '@/exceptions';
+import { ERRORS } from '../constants';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+
+@Service()
+export class PreventDeleteTransactionOnDelete {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  /**
+   * Attaches events with handlers.
+   */
+  public attach = (bus) => {
+    bus.subscribe(
+      events.cashflow.onTransactionDeleting,
+      this.preventDeleteCashflowTransactionHasUncategorizedTransaction.bind(
+        this
+      )
+    );
+  };
+
+  /**
+   * Prevent delete cashflow transaction has converted from uncategorized transaction.
+   * @param {ICommandCashflowDeletingPayload} payload
+   */
+  public async preventDeleteCashflowTransactionHasUncategorizedTransaction({
+    tenantId,
+    oldCashflowTransaction,
+    trx,
+  }: ICommandCashflowDeletingPayload) {
+    const { UncategorizedCashflowTransaction } = this.tenancy.models(tenantId);
+    if (oldCashflowTransaction.uncategorizedTransactionId) {
+      const foundTransactions = await UncategorizedCashflowTransaction.query(
+        trx
+      ).where({
+        categorized: true,
+        categorizeRefId: oldCashflowTransaction.id,
+        categorizeRefType: 'CashflowTransaction',
+      });
+      // Throw the error if the cashflow transaction still linked to uncategorized transaction.
+      if (foundTransactions.length > 0) {
+        throw new ServiceError(
+          ERRORS.CANNOT_DELETE_TRANSACTION_CONVERTED_FROM_UNCATEGORIZED,
+          'Cannot delete cashflow transaction converted from uncategorized transaction.'
+        );
+      }
+    }
+  }
+}

packages/server/src/services/Cashflow/utils.ts

@@ -1,13 +1,19 @@
-import { upperFirst, camelCase } from 'lodash';
+import { upperFirst, camelCase, omit } from 'lodash';
 import {
   CASHFLOW_TRANSACTION_TYPE,
   CASHFLOW_TRANSACTION_TYPE_META,
   ICashflowTransactionTypeMeta,
 } from './constants';
+import {
+  ICashflowNewCommandDTO,
+  ICashflowTransaction,
+  ICategorizeCashflowTransactioDTO,
+  IUncategorizedCashflowTransaction,
+} from '@/interfaces';
 
 /**
  * Ensures the given transaction type to transformed to appropriate format.
- * @param {string} type 
+ * @param {string} type
  * @returns {string}
  */
 export const transformCashflowTransactionType = (type) => {
@@ -32,3 +38,30 @@ export function getCashflowTransactionType(
 export const getCashflowAccountTransactionsTypes = () => {
   return Object.values(CASHFLOW_TRANSACTION_TYPE_META).map((meta) => meta.type);
 };
+
+/**
+ * Tranasformes the given uncategorized transaction and categorized DTO
+ * to cashflow create DTO.
+ * @param {IUncategorizedCashflowTransaction} uncategorizeModel 
+ * @param {ICategorizeCashflowTransactioDTO} categorizeDTO 
+ * @returns {ICashflowNewCommandDTO}
+ */
+export const transformCategorizeTransToCashflow = (
+  uncategorizeModel: IUncategorizedCashflowTransaction,
+  categorizeDTO: ICategorizeCashflowTransactioDTO
+): ICashflowNewCommandDTO => {
+  return {
+    date: uncategorizeModel.date,
+    referenceNo: categorizeDTO.referenceNo || uncategorizeModel.referenceNo,
+    description: categorizeDTO.description || uncategorizeModel.description,
+    cashflowAccountId: uncategorizeModel.accountId,
+    creditAccountId: categorizeDTO.creditAccountId,
+    exchangeRate: categorizeDTO.exchangeRate || 1,
+    currencyCode: uncategorizeModel.currencyCode,
+    amount: uncategorizeModel.amount,
+    transactionNumber: categorizeDTO.transactionNumber,
+    transactionType: categorizeDTO.transactionType,
+    uncategorizedTransactionId: uncategorizeModel.id,
+    publish: true,
+  };
+};

packages/server/src/services/Contacts/Customers/CRUD/CreateCustomer.ts

@@ -36,7 +36,7 @@ export class CreateCustomer {
   public async createCustomer(
     tenantId: number,
     customerDTO: ICustomerNewDTO,
-    authorizedUser: ISystemUser
+    trx?: Knex.Transaction
   ): Promise<ICustomer> {
     const { Contact } = this.tenancy.models(tenantId);
 
@@ -46,28 +46,31 @@ export class CreateCustomer {
       customerDTO
     );
     // Creates a new customer under unit-of-work envirement.
-    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
-      // Triggers `onCustomerCreating` event.
-      await this.eventPublisher.emitAsync(events.customers.onCreating, {
-        tenantId,
-        customerDTO,
-        trx,
-      } as ICustomerEventCreatingPayload);
+    return this.uow.withTransaction(
+      tenantId,
+      async (trx: Knex.Transaction) => {
+        // Triggers `onCustomerCreating` event.
+        await this.eventPublisher.emitAsync(events.customers.onCreating, {
+          tenantId,
+          customerDTO,
+          trx,
+        } as ICustomerEventCreatingPayload);
 
-      // Creates a new contact as customer.
-      const customer = await Contact.query(trx).insertAndFetch({
-        ...customerObj,
-      });
-      // Triggers `onCustomerCreated` event.
-      await this.eventPublisher.emitAsync(events.customers.onCreated, {
-        customer,
-        tenantId,
-        customerId: customer.id,
-        authorizedUser,
-        trx,
-      } as ICustomerEventCreatedPayload);
+        // Creates a new contact as customer.
+        const customer = await Contact.query(trx).insertAndFetch({
+          ...customerObj,
+        });
+        // Triggers `onCustomerCreated` event.
+        await this.eventPublisher.emitAsync(events.customers.onCreated, {
+          customer,
+          tenantId,
+          customerId: customer.id,
+          trx,
+        } as ICustomerEventCreatedPayload);
 
-      return customer;
-    });
+        return customer;
+      },
+      trx
+    );
   }
 }

packages/server/src/services/Contacts/Customers/CRUD/CreateEditCustomerDTO.ts

@@ -1,6 +1,6 @@
 import moment from 'moment';
 import { defaultTo, omit, isEmpty } from 'lodash';
-import { Service, Inject } from 'typedi';
+import { Service } from 'typedi';
 import {
   ContactService,
   ICustomer,
@@ -51,6 +51,10 @@ export class CreateEditCustomerDTO {
             ).toMySqlDateTime(),
           }
         : {}),
+      openingBalanceExchangeRate: defaultTo(
+        customerDTO.openingBalanceExchangeRate,
+        1
+      ),
     };
   };
 

packages/server/src/services/Contacts/Customers/CRUD/EditCustomer.ts

@@ -4,7 +4,6 @@ import {
   ICustomerEditDTO,
   ICustomerEventEditedPayload,
   ICustomerEventEditingPayload,
-  ISystemUser,
 } from '@/interfaces';
 import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
 import UnitOfWork from '@/services/UnitOfWork';

packages/server/src/services/Contacts/Customers/CustomersApplication.ts

@@ -53,13 +53,8 @@ export class CustomersApplication {
   public createCustomer = (
     tenantId: number,
     customerDTO: ICustomerNewDTO,
-    authorizedUser: ISystemUser
   ) => {
-    return this.createCustomerService.createCustomer(
-      tenantId,
-      customerDTO,
-      authorizedUser
-    );
+    return this.createCustomerService.createCustomer(tenantId, customerDTO);
   };
 
   /**

packages/server/src/services/Contacts/Customers/CustomersImportable.ts

@@ -0,0 +1,34 @@
+import { Inject, Service } from 'typedi';
+import { Importable } from '@/services/Import/Importable';
+import { CreateCustomer } from './CRUD/CreateCustomer';
+import { Knex } from 'knex';
+import { ICustomer, ICustomerNewDTO } from '@/interfaces';
+import { CustomersSampleData } from './_SampleData';
+
+@Service()
+export class CustomersImportable extends Importable {
+  @Inject()
+  private createCustomerService: CreateCustomer;
+
+  /**
+   * Mapps the imported data to create a new customer service.
+   * @param {number} tenantId
+   * @param {ICustomerNewDTO} createDTO
+   * @param {Knex.Transaction} trx
+   * @returns {Promise<void>}
+   */
+  public async importable(
+    tenantId: number,
+    createDTO: ICustomerNewDTO,
+    trx?: Knex.Transaction<any, any[]>
+  ): Promise<void> {
+    await this.createCustomerService.createCustomer(tenantId, createDTO, trx);
+  }
+
+  /**
+   * Retrieves the sample data of customers used to download sample sheet.
+   */
+  public sampleData(): any[] {
+    return CustomersSampleData;
+  }
+}

packages/server/src/services/Contacts/Customers/_SampleData.ts

@@ -0,0 +1,158 @@
+
+export const CustomersSampleData = [
+  {
+    "Customer Type": "Business",
+    "First Name": "Nicolette",
+    "Last Name": "Schamberger",
+    "Company Name": "Homenick - Hane",
+    "Display Name": "Rowland Rowe",
+    "Email": "cicero86@yahoo.com",
+    "Personal Phone Number": "811-603-2235",
+    "Work Phone Number": "906-993-5190",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "F",
+    "Note": "Doloribus autem optio temporibus dolores mollitia sit.",
+    "Billing Address 1": "862 Jessika Well",
+    "Billing Address 2": "1091 Dorthy Mount",
+    "Billing Address City": "Deckowfort",
+    "Billing Address Country": "Ghana",
+    "Billing Address Phone": "825-011-5207",
+    "Billing Address Postcode": "38228",
+    "Billing Address State": "Oregon",
+    "Shipping Address 1": "37626 Thiel Villages",
+    "Shipping Address 2": "132 Batz Avenue",
+    "Shipping Address City": "Pagacburgh",
+    "Shipping Address Country": "Albania",
+    "Shipping Address Phone": "171-546-3701",
+    "Shipping Address Postcode": "13709",
+    "Shipping Address State": "Georgia"
+  },
+  {
+    "Customer Type": "Business",
+    "First Name": "Hermann",
+    "Last Name": "Crooks",
+    "Company Name": "Veum - Schaefer",
+    "Display Name": "Harley Veum",
+    "Email": "immanuel56@hotmail.com",
+    "Personal Phone Number": "449-780-9999",
+    "Work Phone Number": "970-473-5785",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "T",
+    "Note": "Doloribus dolore dolor dicta vitae in fugit nisi quibusdam.",
+    "Billing Address 1": "532 Simonis Spring",
+    "Billing Address 2": "3122 Nicolas Inlet",
+    "Billing Address City": "East Matteofort",
+    "Billing Address Country": "Holy See (Vatican City State)",
+    "Billing Address Phone": "366-084-8629",
+    "Billing Address Postcode": "41607",
+    "Billing Address State": "Montana",
+    "Shipping Address 1": "2889 Tremblay Plaza",
+    "Shipping Address 2": "71355 Kutch Isle",
+    "Shipping Address City": "D'Amorehaven",
+    "Shipping Address Country": "Monaco",
+    "Shipping Address Phone": "614-189-3328",
+    "Shipping Address Postcode": "09634-0435",
+    "Shipping Address State": "Nevada"
+  },
+  {
+    "Customer Type": "Business",
+    "First Name": "Nellie",
+    "Last Name": "Gulgowski",
+    "Company Name": "Boyle, Heller and Jones",
+    "Display Name": "Randall Kohler",
+    "Email": "anibal_frami@yahoo.com",
+    "Personal Phone Number": "498-578-0740",
+    "Work Phone Number": "394-550-6827",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "T",
+    "Note": "Vero quibusdam rem fugit aperiam est modi.",
+    "Billing Address 1": "214 Sauer Villages",
+    "Billing Address 2": "30687 Kacey Square",
+    "Billing Address City": "Jayceborough",
+    "Billing Address Country": "Benin",
+    "Billing Address Phone": "332-820-1127",
+    "Billing Address Postcode": "16425-3887",
+    "Billing Address State": "Mississippi",
+    "Shipping Address 1": "562 Diamond Loaf",
+    "Shipping Address 2": "9595 Satterfield Trafficway",
+    "Shipping Address City": "Alexandrinefort",
+    "Shipping Address Country": "Puerto Rico",
+    "Shipping Address Phone": "776-500-8456",
+    "Shipping Address Postcode": "30258",
+    "Shipping Address State": "South Dakota"
+  },
+  {
+    "Customer Type": "Business",
+    "First Name": "Stone",
+    "Last Name": "Jerde",
+    "Company Name": "Cassin, Casper and Maggio",
+    "Display Name": "Clint McLaughlin",
+    "Email": "nathanael22@yahoo.com",
+    "Personal Phone Number": "562-790-6059",
+    "Work Phone Number": "686-838-0027",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "F",
+    "Note": "Quis cumque molestias rerum.",
+    "Billing Address 1": "22590 Cathy Harbor",
+    "Billing Address 2": "24493 Brycen Brooks",
+    "Billing Address City": "Elnorashire",
+    "Billing Address Country": "Andorra",
+    "Billing Address Phone": "701-852-8005",
+    "Billing Address Postcode": "5680",
+    "Billing Address State": "Nevada",
+    "Shipping Address 1": "5355 Erdman Bridge",
+    "Shipping Address 2": "421 Jeanette Camp",
+    "Shipping Address City": "East Philip",
+    "Shipping Address Country": "Venezuela",
+    "Shipping Address Phone": "426-119-0858",
+    "Shipping Address Postcode": "34929-0501",
+    "Shipping Address State": "Tennessee"
+  },
+  {
+    "Customer Type": "Individual",
+    "First Name": "Lempi",
+    "Last Name": "Kling",
+    "Company Name": "Schamberger, O'Connell and Bechtelar",
+    "Display Name": "Alexie Barton",
+    "Email": "eulah.kreiger@hotmail.com",
+    "Personal Phone Number": "745-756-1063",
+    "Work Phone Number": "965-150-1945",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "F",
+    "Note": "Maxime laboriosam hic voluptate maiores est officia.",
+    "Billing Address 1": "0851 Jones Flat",
+    "Billing Address 2": "845 Bailee Drives",
+    "Billing Address City": "Kamrenport",
+    "Billing Address Country": "Niger",
+    "Billing Address Phone": "220-125-0608",
+    "Billing Address Postcode": "30311",
+    "Billing Address State": "Delaware",
+    "Shipping Address 1": "929 Ferry Row",
+    "Shipping Address 2": "020 Adam Plaza",
+    "Shipping Address City": "West Carmellaside",
+    "Shipping Address Country": "Ghana",
+    "Shipping Address Phone": "053-333-6679",
+    "Shipping Address Postcode": "79221-4681",
+    "Shipping Address State": "Illinois"
+  }
+]

packages/server/src/services/Contacts/Vendors/CRUD/CreateEditVendorDTO.ts

@@ -49,6 +49,10 @@ export class CreateEditVendorDTO {
             ).toMySqlDateTime(),
           }
         : {}),
+      openingBalanceExchangeRate: defaultTo(
+        vendorDTO.openingBalanceExchangeRate,
+        1
+      ),
     };
   };
 

packages/server/src/services/Contacts/Vendors/CRUD/CreateVendor.ts

@@ -35,7 +35,7 @@ export class CreateVendor {
   public async createVendor(
     tenantId: number,
     vendorDTO: IVendorNewDTO,
-    authorizedUser: ISystemUser
+    trx?: Knex.Transaction
   ) {
     const { Contact } = this.tenancy.models(tenantId);
 
@@ -45,28 +45,31 @@ export class CreateVendor {
       vendorDTO
     );
     // Creates vendor contact under unit-of-work evnirement.
-    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
-      // Triggers `onVendorCreating` event.
-      await this.eventPublisher.emitAsync(events.vendors.onCreating, {
-        tenantId,
-        vendorDTO,
-        trx,
-      } as IVendorEventCreatingPayload);
+    return this.uow.withTransaction(
+      tenantId,
+      async (trx: Knex.Transaction) => {
+        // Triggers `onVendorCreating` event.
+        await this.eventPublisher.emitAsync(events.vendors.onCreating, {
+          tenantId,
+          vendorDTO,
+          trx,
+        } as IVendorEventCreatingPayload);
 
-      // Creates a new contact as vendor.
-      const vendor = await Contact.query(trx).insertAndFetch({
-        ...vendorObject,
-      });
-      // Triggers `onVendorCreated` event.
-      await this.eventPublisher.emitAsync(events.vendors.onCreated, {
-        tenantId,
-        vendorId: vendor.id,
-        vendor,
-        authorizedUser,
-        trx,
-      } as IVendorEventCreatedPayload);
+        // Creates a new contact as vendor.
+        const vendor = await Contact.query(trx).insertAndFetch({
+          ...vendorObject,
+        });
+        // Triggers `onVendorCreated` event.
+        await this.eventPublisher.emitAsync(events.vendors.onCreated, {
+          tenantId,
+          vendorId: vendor.id,
+          vendor,
+          trx,
+        } as IVendorEventCreatedPayload);
 
-      return vendor;
-    });
+        return vendor;
+      },
+      trx
+    );
   }
 }

packages/server/src/services/Contacts/Vendors/VendorsImportable.ts

@@ -0,0 +1,32 @@
+import { Importable } from '@/services/Import/Importable';
+import { CreateVendor } from './CRUD/CreateVendor';
+import { Knex } from 'knex';
+import { Inject, Service } from 'typedi';
+import { VendorsSampleData } from './_SampleData';
+
+@Service()
+export class VendorsImportable extends Importable {
+  @Inject()
+  private createVendorService: CreateVendor;
+
+  /**
+   * Maps the imported data to create a new vendor service.
+   * @param {number} tenantId
+   * @param {} createDTO
+   * @param {Knex.Transaction} trx
+   */
+  public async importable(
+    tenantId: number,
+    createDTO: any,
+    trx?: Knex.Transaction<any, any[]>
+  ): Promise<void> {
+    await this.createVendorService.createVendor(tenantId, createDTO, trx);
+  }
+
+  /**
+   * Retrieves the sample data of vendors sample sheet.
+   */
+  public sampleData(): any[] {
+    return VendorsSampleData;
+  }
+}

packages/server/src/services/Contacts/Vendors/_SampleData.ts

@@ -0,0 +1,122 @@
+export const VendorsSampleData = [
+  {
+    "First Name": "Nicolette",
+    "Last Name": "Schamberger",
+    "Company Name": "Homenick - Hane",
+    "Display Name": "Rowland Rowe",
+    "Email": "cicero86@yahoo.com",
+    "Personal Phone Number": "811-603-2235",
+    "Work Phone Number": "906-993-5190",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "F",
+    "Note": "Doloribus autem optio temporibus dolores mollitia sit.",
+    "Billing Address 1": "862 Jessika Well",
+    "Billing Address 2": "1091 Dorthy Mount",
+    "Billing Address City": "Deckowfort",
+    "Billing Address Country": "Ghana",
+    "Billing Address Phone": "825-011-5207",
+    "Billing Address Postcode": "38228",
+    "Billing Address State": "Oregon",
+    "Shipping Address 1": "37626 Thiel Villages",
+    "Shipping Address 2": "132 Batz Avenue",
+    "Shipping Address City": "Pagacburgh",
+    "Shipping Address Country": "Albania",
+    "Shipping Address Phone": "171-546-3701",
+    "Shipping Address Postcode": "13709",
+    "Shipping Address State": "Georgia"
+  },
+  {
+    "First Name": "Hermann",
+    "Last Name": "Crooks",
+    "Company Name": "Veum - Schaefer",
+    "Display Name": "Harley Veum",
+    "Email": "immanuel56@hotmail.com",
+    "Personal Phone Number": "449-780-9999",
+    "Work Phone Number": "970-473-5785",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "F",
+    "Note": "Doloribus dolore dolor dicta vitae in fugit nisi quibusdam.",
+    "Billing Address 1": "532 Simonis Spring",
+    "Billing Address 2": "3122 Nicolas Inlet",
+    "Billing Address City": "East Matteofort",
+    "Billing Address Country": "Holy See (Vatican City State)",
+    "Billing Address Phone": "366-084-8629",
+    "Billing Address Postcode": "41607",
+    "Billing Address State": "Montana",
+    "Shipping Address 1": "2889 Tremblay Plaza",
+    "Shipping Address 2": "71355 Kutch Isle",
+    "Shipping Address City": "D'Amorehaven",
+    "Shipping Address Country": "Monaco",
+    "Shipping Address Phone": "614-189-3328",
+    "Shipping Address Postcode": "09634-0435",
+    "Shipping Address State": "Nevada"
+  },
+  {
+    "First Name": "Nellie",
+    "Last Name": "Gulgowski",
+    "Company Name": "Boyle, Heller and Jones",
+    "Display Name": "Randall Kohler",
+    "Email": "anibal_frami@yahoo.com",
+    "Personal Phone Number": "498-578-0740",
+    "Work Phone Number": "394-550-6827",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "F",
+    "Note": "Vero quibusdam rem fugit aperiam est modi.",
+    "Billing Address 1": "214 Sauer Villages",
+    "Billing Address 2": "30687 Kacey Square",
+    "Billing Address City": "Jayceborough",
+    "Billing Address Country": "Benin",
+    "Billing Address Phone": "332-820-1127",
+    "Billing Address Postcode": "16425-3887",
+    "Billing Address State": "Mississippi",
+    "Shipping Address 1": "562 Diamond Loaf",
+    "Shipping Address 2": "9595 Satterfield Trafficway",
+    "Shipping Address City": "Alexandrinefort",
+    "Shipping Address Country": "Puerto Rico",
+    "Shipping Address Phone": "776-500-8456",
+    "Shipping Address Postcode": "30258",
+    "Shipping Address State": "South Dakota"
+  },
+  {
+    "First Name": "Stone",
+    "Last Name": "Jerde",
+    "Company Name": "Cassin, Casper and Maggio",
+    "Display Name": "Clint McLaughlin",
+    "Email": "nathanael22@yahoo.com",
+    "Personal Phone Number": "562-790-6059",
+    "Work Phone Number": "686-838-0027",
+    "Website": "http://google.com",
+    "Opening Balance": 54302.23,
+    "Opening Balance At": "2022-02-02",
+    "Opening Balance Ex. Rate": 2,
+    "Currency": "LYD",
+    "Active": "F",
+    "Note": "Quis cumque molestias rerum.",
+    "Billing Address 1": "22590 Cathy Harbor",
+    "Billing Address 2": "24493 Brycen Brooks",
+    "Billing Address City": "Elnorashire",
+    "Billing Address Country": "Andorra",
+    "Billing Address Phone": "701-852-8005",
+    "Billing Address Postcode": "5680",
+    "Billing Address State": "Nevada",
+    "Shipping Address 1": "5355 Erdman Bridge",
+    "Shipping Address 2": "421 Jeanette Camp",
+    "Shipping Address City": "East Philip",
+    "Shipping Address Country": "Venezuela",
+    "Shipping Address Phone": "426-119-0858",
+    "Shipping Address Postcode": "34929-0501",
+    "Shipping Address State": "Tennessee"
+  }
+]

packages/server/src/services/FinancialStatements/AgingSummary/AgingSummaryTable.ts

@@ -56,7 +56,7 @@ export default abstract class AgingSummaryTable extends R.compose(
     node: IAgingSummaryContact | IAgingSummaryTotal
   ): ITableColumnAccessor[] => {
     return node.aging.map((aging, index) => ({
-      key: 'aging',
+      key: 'aging_period',
       accessor: `aging[${index}].total.formattedAmount`,
     }));
   };

packages/server/src/services/FinancialStatements/AgingSummary/_constants.ts

@@ -5,8 +5,17 @@ export enum AgingSummaryRowType {
 
 export const HtmlTableCss = `
 table tr.row-type--total td{
-  font-weight: 500;
+  font-weight: 600;
   border-top: 1px solid #bbb;
   border-bottom: 3px double #333;
 }
+
+table .column--current,
+table .column--aging_period,
+table .column--total,
+table .cell--current,
+table .cell--aging_period,
+table .cell--total  {
+  text-align: right;
+}
 `;

packages/server/src/services/FinancialStatements/CustomerBalanceSummary/CustomerBalanceSummaryTableInjectable.ts

@@ -25,19 +25,18 @@ export class CustomerBalanceSummaryTableInjectable {
     tenantId: number,
     filter: ICustomerBalanceSummaryQuery
   ): Promise<ICustomerBalanceSummaryTable> {
-    
     const i18n = this.tenancy.i18n(tenantId);
     const { data, query, meta } =
       await this.customerBalanceSummaryService.customerBalanceSummary(
         tenantId,
         filter
       );
-    const tableRows = new CustomerBalanceSummaryTable(data, filter, i18n);
+    const table = new CustomerBalanceSummaryTable(data, filter, i18n);
 
     return {
       table: {
-        columns: tableRows.tableColumns(),
-        rows: tableRows.tableRows(),
+        columns: table.tableColumns(),
+        rows: table.tableRows(),
       },
       query,
       meta,

packages/server/src/services/FinancialStatements/CustomerBalanceSummary/CustomerBalanceSummaryTableRows.ts

@@ -52,7 +52,7 @@ export class CustomerBalanceSummaryTable {
    */
   private getCustomerColumnsAccessor = (): IColumnMapperMeta[] => {
     const columns = [
-      { key: 'customerName', accessor: 'customerName' },
+      { key: 'name', accessor: 'customerName' },
       { key: 'total', accessor: 'total.formattedAmount' },
     ];
     return R.compose(
@@ -85,7 +85,7 @@ export class CustomerBalanceSummaryTable {
    */
   private getTotalColumnsAccessor = (): IColumnMapperMeta[] => {
     const columns = [
-      { key: 'total', value: this.i18n.__('Total') },
+      { key: 'name', value: this.i18n.__('Total') },
       { key: 'total', accessor: 'total.formattedAmount' },
     ];
     return R.compose(