fix(Contacts): validate contact associated transcations.

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

@@ -63,13 +63,6 @@ export default class CustomersController extends ContactsController {
       asyncMiddleware(this.deleteCustomer.bind(this)),
       this.handlerServiceErrors
     );
-    router.delete(
-      '/',
-      [...this.bulkContactsSchema],
-      this.validationResult,
-      asyncMiddleware(this.deleteBulkCustomers.bind(this)),
-      this.handlerServiceErrors
-    );
     router.get(
       '/',
       [...this.validateListQuerySchema],
@@ -263,32 +256,6 @@ export default class CustomersController extends ContactsController {
     }
   }
 
-  /**
-   * Deletes customers in bulk.
-   * @param {Request} req
-   * @param {Response} res
-   * @param {NextFunction} next
-   */
-  async deleteBulkCustomers(req: Request, res: Response, next: NextFunction) {
-    const { ids: contactsIds } = req.query;
-    const { tenantId, user } = req;
-
-    try {
-      await this.customersService.deleteBulkCustomers(
-        tenantId,
-        contactsIds,
-        user
-      );
-
-      return res.status(200).send({
-        ids: contactsIds,
-        message: 'The customers have been deleted successfully.',
-      });
-    } catch (error) {
-      next(error);
-    }
-  }
-
   /**
    * Retrieve customers paginated and filterable list.
    * @param {Request} req
@@ -350,21 +317,16 @@ export default class CustomersController extends ContactsController {
           errors: [{ type: 'CUSTOMERS.NOT.FOUND', code: 200 }],
         });
       }
-      if (error.errorType === 'some_customers_have_invoices') {
-        return res.boom.badRequest(null, {
-          errors: [{ type: 'SOME.CUSTOMERS.HAVE.SALES_INVOICES', code: 300 }],
-        });
-      }
-      if (error.errorType === 'customer_has_invoices') {
-        return res.boom.badRequest(null, {
-          errors: [{ type: 'CUSTOMER.HAS.SALES_INVOICES', code: 400 }],
-        });
-      }
       if (error.errorType === 'OPENING_BALANCE_DATE_REQUIRED') {
         return res.boom.badRequest(null, {
           errors: [{ type: 'OPENING_BALANCE_DATE_REQUIRED', code: 500 }],
         });
       }
+      if (error.errorType === 'CUSTOMER_HAS_TRANSACTIONS') {
+        return res.boom.badRequest(null, {
+          errors: [{ type: 'CUSTOMER_HAS_TRANSACTIONS', code: 600 }],
+        });
+      }
     }
     next(error);
   }

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

@@ -55,13 +55,6 @@ export default class VendorsController extends ContactsController {
       asyncMiddleware(this.deleteVendor.bind(this)),
       this.handlerServiceErrors,
     );
-    router.delete('/', [
-      ...this.bulkContactsSchema,
-    ],
-      this.validationResult,
-      asyncMiddleware(this.deleteBulkVendors.bind(this)),
-      this.handlerServiceErrors,
-    );
     router.get('/:id', [
       ...this.specificContactSchema,
     ],
@@ -297,21 +290,16 @@ export default class VendorsController extends ContactsController {
           errors: [{ type: 'VENDORS.NOT.FOUND', code: 200 }],
         });
       }
-      if (error.errorType === 'some_vendors_have_bills') {
-        return res.boom.badRequest(null, {
-          errors: [{ type: 'SOME.VENDORS.HAVE.ASSOCIATED.BILLS', code: 300 }],
-        });
-      }
-      if (error.errorType === 'vendor_has_bills') {
-        return res.status(400).send({
-          errors: [{ type: 'VENDOR.HAS.ASSOCIATED.BILLS', code: 400 }],
-        });
-      }
       if (error.errorType === 'OPENING_BALANCE_DATE_REQUIRED') {
         return res.boom.badRequest(null, {
           errors: [{ type: 'OPENING_BALANCE_DATE_REQUIRED', code: 500 }],
         });
       }
+      if (error.errorType === 'VENDOR_HAS_TRANSACTIONS') {
+        return res.boom.badRequest(null, {
+          errors: [{ type: 'VENDOR_HAS_TRANSACTIONS', code: 600 }],
+        });
+      }
     }
     next(error);
   }

server/src/interfaces/Bill.ts

@@ -56,3 +56,7 @@ export interface IBill {
 export interface IBillsFilter extends IDynamicListFilterDTO { 
   stringifiedFilterRoles?: string,
 }
+
+export interface IBillsService {
+  validateVendorHasNoBills(tenantId: number, vendorId: number): Promise<void>;
+}

server/src/interfaces/BillPayment.ts

@@ -46,3 +46,8 @@ export interface IBillReceivePageEntry {
   currencyCode: string,
   date: Date|string,
 };
+
+
+export interface IBillPaymentsService {
+  validateVendorHasNoPayments(tenantId: number, vendorId): Promise<void>;
+}

server/src/interfaces/PaymentReceive.ts

@@ -1,71 +1,77 @@
-
+import { IDynamicListFilterDTO } from './DynamicFilter';
-import { IDynamicListFilterDTO } from "./DynamicFilter";
 
 export interface IPaymentReceive {
-  id?: number,
+  id?: number;
-  customerId: number,
+  customerId: number;
-  paymentDate: Date,
+  paymentDate: Date;
-  amount: number,
+  amount: number;
-  referenceNo: string,
+  referenceNo: string;
-  depositAccountId: number,
+  depositAccountId: number;
-  paymentReceiveNo: string,
+  paymentReceiveNo: string;
-  statement: string,
+  statement: string;
-  entries: IPaymentReceiveEntry[],
+  entries: IPaymentReceiveEntry[];
-  userId: number,
+  userId: number;
-};
+}
 export interface IPaymentReceiveCreateDTO {
-  customerId: number,
+  customerId: number;
-  paymentDate: Date,
+  paymentDate: Date;
-  amount: number,
+  amount: number;
-  referenceNo: string,
+  referenceNo: string;
-  depositAccountId: number,
+  depositAccountId: number;
-  paymentReceiveNo?: string,
+  paymentReceiveNo?: string;
-  statement: string,
+  statement: string;
-  entries: IPaymentReceiveEntryDTO[],
+  entries: IPaymentReceiveEntryDTO[];
-};
+}
 
 export interface IPaymentReceiveEditDTO {
-  customerId: number,
+  customerId: number;
-  paymentDate: Date,
+  paymentDate: Date;
-  amount: number,
+  amount: number;
-  referenceNo: string,
+  referenceNo: string;
-  depositAccountId: number,
+  depositAccountId: number;
-  paymentReceiveNo?: string,
+  paymentReceiveNo?: string;
-  statement: string,
+  statement: string;
-  entries: IPaymentReceiveEntryDTO[],
+  entries: IPaymentReceiveEntryDTO[];
-};
+}
 
 export interface IPaymentReceiveEntry {
-  id?: number,
+  id?: number;
-  paymentReceiveId: number,
+  paymentReceiveId: number;
-  invoiceId: number,
+  invoiceId: number;
-  paymentAmount: number,
+  paymentAmount: number;
-};
+}
 
 export interface IPaymentReceiveEntryDTO {
-  id?: number,
+  id?: number;
-  paymentReceiveId: number,
+  paymentReceiveId: number;
-  invoiceId: number,
+  invoiceId: number;
-  paymentAmount: number,
+  paymentAmount: number;
-};
+}
 
 export interface IPaymentReceivesFilter extends IDynamicListFilterDTO {
-  stringifiedFilterRoles?: string,
+  stringifiedFilterRoles?: string;
 }
 
 export interface IPaymentReceivePageEntry {
-  invoiceId: number,
+  invoiceId: number;
-  entryType: string,
+  entryType: string;
-  invoiceNo: string,
+  invoiceNo: string;
-  dueAmount: number,
+  dueAmount: number;
-  amount: number,
+  amount: number;
-  totalPaymentAmount: number,
+  totalPaymentAmount: number;
-  paymentAmount: number,
+  paymentAmount: number;
-  currencyCode: string,
+  currencyCode: string;
-  date: Date|string,
+  date: Date | string;
-};
+}
 
 export interface IPaymentReceiveEditPage {
-  paymentReceive: IPaymentReceive,
+  paymentReceive: IPaymentReceive;
   entries: IPaymentReceivePageEntry[];
-};
+}
+
+export interface IPaymentsReceiveService {
+  validateCustomerHasNoPayments(
+    tenantId: number,
+    customerId: number
+  ): Promise<void>;
+}

server/src/interfaces/SaleEstimate.ts

@@ -33,3 +33,11 @@ export interface ISaleEstimateDTO {
 export interface ISalesEstimatesFilter extends IDynamicListFilterDTO { 
   stringifiedFilterRoles?: string,
 }
+
+
+export interface ISalesEstimatesService {
+  validateCustomerHasNoEstimates(
+    tenantId: number,
+    customerId: number,
+  ): Promise<void>;
+}

server/src/interfaces/SaleInvoice.ts

@@ -1,44 +1,49 @@
 import { IDynamicListFilter } from 'interfaces/DynamicFilter';
-import { IItemEntry, IItemEntryDTO } from "./ItemEntry";
+import { IItemEntry, IItemEntryDTO } from './ItemEntry';
 
 export interface ISaleInvoice {
-  id: number,
+  id: number;
-  balance: number,
+  balance: number;
-  paymentAmount: number,
+  paymentAmount: number;
-  currencyCode: string,
+  currencyCode: string;
-  invoiceDate: Date,
+  invoiceDate: Date;
-  dueDate: Date,
+  dueDate: Date;
-  dueAmount: number,
+  dueAmount: number;
-  overdueDays: number,
+  overdueDays: number;
-  customerId: number,
+  customerId: number;
-  referenceNo: string,
+  referenceNo: string;
-  invoiceNo: string,
+  invoiceNo: string;
-  entries: IItemEntry[],
+  entries: IItemEntry[];
-  deliveredAt: string | Date,
+  deliveredAt: string | Date;
-  userId: number,
+  userId: number;
 }
 
 export interface ISaleInvoiceDTO {
-  invoiceDate: Date,
+  invoiceDate: Date;
-  dueDate: Date,
+  dueDate: Date;
-  referenceNo: string,
+  referenceNo: string;
-  invoiceNo: string,
+  invoiceNo: string;
-  customerId: number,
+  customerId: number;
-  invoiceMessage: string,
+  invoiceMessage: string;
-  termsConditions: string,
+  termsConditions: string;
-  entries: IItemEntryDTO[],
+  entries: IItemEntryDTO[];
-  delivered: boolean,
+  delivered: boolean;
 }
 
 export interface ISaleInvoiceCreateDTO extends ISaleInvoiceDTO {
-  fromEstimateId: number,  
+  fromEstimateId: number;
-};
+}
 
-export interface ISaleInvoiceEditDTO extends ISaleInvoiceDTO {
+export interface ISaleInvoiceEditDTO extends ISaleInvoiceDTO {}
 
-};
+export interface ISalesInvoicesFilter extends IDynamicListFilter {
+  page: number;
+  pageSize: number;
+}
 
-export interface ISalesInvoicesFilter extends IDynamicListFilter{
+export interface ISalesInvoicesService {
-  page: number,
+  validateCustomerHasNoInvoices(
-  pageSize: number,
+    tenantId: number,
-};
+    customerId: number
+  ): Promise<void>;
+}

server/src/interfaces/SaleReceipt.ts

@@ -10,7 +10,7 @@ export interface ISaleReceipt {
   receiptMessage: string;
   receiptNumber: string;
   amount: number;
-  currencyCode: string,
+  currencyCode: string;
   statement: string;
   closedAt: Date | string;
   entries: any[];
@@ -24,14 +24,14 @@ export interface ISaleReceiptDTO {
   receiptDate: Date;
   sendToEmail: string;
   referenceNo?: string;
-  receiptNumber?: string,
+  receiptNumber?: string;
   receiptMessage: string;
   statement: string;
   closed: boolean;
   entries: any[];
 }
 
-export interface ISalesReceiptService {
+export interface ISalesReceiptsService {
   createSaleReceipt(
     tenantId: number,
     saleReceiptDTO: ISaleReceiptDTO
@@ -49,4 +49,9 @@ export interface ISalesReceiptService {
     pagination: IPaginationMeta;
     filterMeta: IFilterMeta;
   }>;
+
+  validateCustomerHasNoReceipts(
+    tenantId: number,
+    customerId: number
+  ): Promise<void>;
 }

server/src/services/Contacts/CustomersService.ts

@@ -1,5 +1,6 @@
 import { Inject, Service } from 'typedi';
-import { omit, intersection, defaultTo } from 'lodash';
+import { omit, defaultTo } from 'lodash';
+import async from 'async';
 import {
   EventDispatcher,
   EventDispatcherInterface,
@@ -7,6 +8,7 @@ import {
 import JournalPoster from 'services/Accounting/JournalPoster';
 import JournalCommands from 'services/Accounting/JournalCommands';
 import ContactsService from 'services/Contacts/ContactsService';
+import moment from 'moment';
 import {
   ICustomerNewDTO,
   ICustomerEditDTO,
@@ -16,15 +18,20 @@ import {
   IContactNewDTO,
   IContactEditDTO,
   IContact,
-  ISaleInvoice,
   ISystemUser,
+  ISalesInvoicesService,
+  ISalesReceiptsService,
+  ISalesEstimatesService,
+  IPaymentsReceiveService,
 } from 'interfaces';
 import { ServiceError } from 'exceptions';
 import TenancyService from 'services/Tenancy/TenancyService';
 import DynamicListingService from 'services/DynamicListing/DynamicListService';
 import events from 'subscribers/events';
-import moment from 'moment';
 
+const ERRORS = {
+  CUSTOMER_HAS_TRANSACTIONS: 'CUSTOMER_HAS_TRANSACTIONS',
+};
 @Service()
 export default class CustomersService {
   @Inject()
@@ -42,6 +49,18 @@ export default class CustomersService {
   @EventDispatcher()
   eventDispatcher: EventDispatcherInterface;
 
+  @Inject('SalesInvoices')
+  invoicesService: ISalesInvoicesService;
+
+  @Inject('SalesReceipts')
+  receiptsService: ISalesReceiptsService;
+
+  @Inject('PaymentReceives')
+  paymentsService: IPaymentsReceiveService;
+
+  @Inject('SalesEstimates')
+  estimatesService: ISalesEstimatesService;
+
   /**
    * Converts customer to contact DTO.
    * @param {ICustomerNewDTO|ICustomerEditDTO} customerDTO
@@ -158,6 +177,40 @@ export default class CustomersService {
     return customer;
   }
 
+  /**
+   * Validate the customer associated relations.
+   * @param {number} tenantId
+   * @param {number} customerId - Customer id.
+   */
+  private async validateCustomerAssociatedRelations(
+    tenantId: number,
+    customerId: number
+  ) {
+    try {
+      // Validate whether the customer has no associated estimates transactions.
+      await this.estimatesService.validateCustomerHasNoEstimates(
+        tenantId,
+        customerId
+      );
+      // Validate whether the customer has no assocaited invoices tranasctions.
+      await this.invoicesService.validateCustomerHasNoInvoices(
+        tenantId,
+        customerId
+      );
+      // Validate whether the customer has no associated receipts transactions.
+      await this.receiptsService.validateCustomerHasNoReceipts(
+        tenantId,
+        customerId
+      );
+      // Validate whether the customer has no associated payment receives transactions.
+      await this.paymentsService.validateCustomerHasNoPayments(
+        tenantId,
+        customerId
+      );
+    } catch (error) {
+      throw new ServiceError(ERRORS.CUSTOMER_HAS_TRANSACTIONS);
+    }
+  }
   /**
    * Deletes the given customer from the storage.
    * @param {number} tenantId
@@ -176,9 +229,10 @@ export default class CustomersService {
     // Retrieve the customer of throw not found service error.
     await this.getCustomerByIdOrThrowError(tenantId, customerId);
 
-    // Validate whether the customer has no assocaited invoices tranasctions.
+    // Validate the customer associated relations.
-    await this.customerHasNoInvoicesOrThrowError(tenantId, customerId);
+    await this.validateCustomerAssociatedRelations(tenantId, customerId);
 
+    // Delete the customer from the storage.
     await this.contactService.deleteContact(tenantId, customerId, 'customer');
 
     // Throws `onCustomerDeleted` event.
@@ -225,12 +279,13 @@ export default class CustomersService {
     filterMeta: IFilterMeta;
   }> {
     const { Customer } = this.tenancy.models(tenantId);
+
+    // Dynamic list.
     const dynamicList = await this.dynamicListService.dynamicList(
       tenantId,
       Customer,
       customersFilter
     );
-
     const { results, pagination } = await Customer.query()
       .onBuild((query) => {
         dynamicList.buildQuery()(query);
@@ -310,104 +365,6 @@ export default class CustomersService {
     );
   }
 
-  /**
-   * Retrieve the given customers or throw error if one of them not found.
-   * @param {numebr} tenantId
-   * @param {number[]} customersIds
-   */
-  private getCustomersOrThrowErrorNotFound(
-    tenantId: number,
-    customersIds: number[]
-  ) {
-    return this.contactService.getContactsOrThrowErrorNotFound(
-      tenantId,
-      customersIds,
-      'customer'
-    );
-  }
-
-  /**
-   * Deletes the given customers from the storage.
-   * @param {number} tenantId
-   * @param {number[]} customersIds
-   * @return {Promise<void>}
-   */
-  public async deleteBulkCustomers(
-    tenantId: number,
-    customersIds: number[],
-    authorizedUser: ISystemUser,
-  ): Promise<void> {
-    const { Contact } = this.tenancy.models(tenantId);
-
-    // Validate the customers existance on the storage.
-    await this.getCustomersOrThrowErrorNotFound(tenantId, customersIds);
-
-    // Validate the customers have no associated invoices.
-    await this.customersHaveNoInvoicesOrThrowError(tenantId, customersIds);
-
-    // Deletes the given customers.
-    await Contact.query().whereIn('id', customersIds).delete();
-
-    // Triggers `onCustomersBulkDeleted` event.
-    await this.eventDispatcher.dispatch(events.customers.onBulkDeleted, {
-      tenantId,
-      customersIds,
-      authorizedUser,
-    });
-  }
-
-  /**
-   * Validates the customer has no associated sales invoice
-   * or throw service error.
-   * @param {number} tenantId
-   * @param {number} customerId
-   * @throws {ServiceError}
-   * @return {Promise<void>}
-   */
-  private async customerHasNoInvoicesOrThrowError(
-    tenantId: number,
-    customerId: number
-  ) {
-    const { saleInvoiceRepository } = this.tenancy.repositories(tenantId);
-
-    // Retrieve the sales invoices that assocaited to the given customer.
-    const salesInvoice = await saleInvoiceRepository.find({
-      customer_id: customerId,
-    });
-    if (salesInvoice.length > 0) {
-      throw new ServiceError('customer_has_invoices');
-    }
-  }
-
-  /**
-   * Throws error in case one of customers have associated sales invoices.
-   * @param  {number} tenantId
-   * @param  {number[]} customersIds
-   * @throws {ServiceError}
-   * @return {Promise<void>}
-   */
-  private async customersHaveNoInvoicesOrThrowError(
-    tenantId: number,
-    customersIds: number[]
-  ) {
-    const { saleInvoiceRepository } = this.tenancy.repositories(tenantId);
-
-    const customersInvoices = await saleInvoiceRepository.findWhereIn(
-      'customer_id',
-      customersIds
-    );
-    const customersIdsWithInvoice = customersInvoices.map(
-      (saleInvoice: ISaleInvoice) => saleInvoice.customerId
-    );
-    const customersHaveInvoices = intersection(
-      customersIds,
-      customersIdsWithInvoice
-    );
-    if (customersHaveInvoices.length > 0) {
-      throw new ServiceError('some_customers_have_invoices');
-    }
-  }
-
   /**
    * Changes the opening balance of the given customer.
    * @param {number} tenantId

server/src/services/Contacts/VendorsService.ts

@@ -15,12 +15,18 @@ import {
   IPaginationMeta,
   IFilterMeta,
   ISystemUser,
+  IBillsService,
+  IBillPaymentsService,
 } from 'interfaces';
 import { ServiceError } from 'exceptions';
 import DynamicListingService from 'services/DynamicListing/DynamicListService';
 import TenancyService from 'services/Tenancy/TenancyService';
 import events from 'subscribers/events';
 
+const ERRORS = {
+  VENDOR_HAS_TRANSACTIONS: 'VENDOR_HAS_TRANSACTIONS',
+};
+
 @Service()
 export default class VendorsService {
   @Inject()
@@ -38,6 +44,12 @@ export default class VendorsService {
   @Inject('logger')
   logger: any;
 
+  @Inject('Bills')
+  billsService: IBillsService;
+
+  @Inject('BillPayments')
+  billPaymentsService: IBillPaymentsService;
+
   /**
    * Converts vendor to contact DTO.
    * @param {IVendorNewDTO|IVendorEditDTO} vendorDTO
@@ -124,6 +136,27 @@ export default class VendorsService {
     );
   }
 
+  /**
+   * Validate the given vendor has no associated transactions.
+   * @param {number} tenantId 
+   * @param {number} vendorId 
+   */
+  private async validateAssociatedTransactions(
+    tenantId: number,
+    vendorId: number
+  ) {
+    try {
+      // Validate vendor has no bills.
+      await this.billsService.validateVendorHasNoBills(tenantId, vendorId);
+
+      // Validate vendor has no paymentys.
+      await this.billPaymentsService.validateVendorHasNoPayments(tenantId, vendorId);
+
+    } catch (error) {
+      throw new ServiceError(ERRORS.VENDOR_HAS_TRANSACTIONS);
+    }
+  }
+
   /**
    * Deletes the given vendor from the storage.
    * @param {number} tenantId
@@ -138,8 +171,8 @@ export default class VendorsService {
     // Validate the vendor existance on the storage.
     await this.getVendorByIdOrThrowError(tenantId, vendorId);
 
-    // Validate the vendor has no associated bills.
+    // Validate associated vendor transactions.
-    await this.vendorHasNoBillsOrThrowError(tenantId, vendorId);
+    await this.validateAssociatedTransactions(tenantId, vendorId);
 
     this.logger.info('[vendor] trying to delete vendor.', {
       tenantId,
@@ -222,102 +255,6 @@ export default class VendorsService {
     );
   }
 
-  /**
-   * Retrieve the given vendors or throw error if one of them not found.
-   * @param {numebr} tenantId
-   * @param {number[]} vendorsIds
-   */
-  private getVendorsOrThrowErrorNotFound(
-    tenantId: number,
-    vendorsIds: number[]
-  ) {
-    return this.contactService.getContactsOrThrowErrorNotFound(
-      tenantId,
-      vendorsIds,
-      'vendor'
-    );
-  }
-
-  /**
-   * Deletes the given vendors from the storage.
-   * @param {number} tenantId
-   * @param {number[]} vendorsIds
-   * @return {Promise<void>}
-   */
-  public async deleteBulkVendors(
-    tenantId: number,
-    vendorsIds: number[],
-    authorizedUser: ISystemUser
-  ): Promise<void> {
-    const { Contact } = this.tenancy.models(tenantId);
-
-    // Validate the given vendors exists on the storage.
-    await this.getVendorsOrThrowErrorNotFound(tenantId, vendorsIds);
-
-    // Validate the given vendors have no assocaited bills.
-    await this.vendorsHaveNoBillsOrThrowError(tenantId, vendorsIds);
-
-    await Contact.query().whereIn('id', vendorsIds).delete();
-
-    // Triggers `onVendorsBulkDeleted` event.
-    await this.eventDispatcher.dispatch(events.vendors.onBulkDeleted, {
-      tenantId,
-      vendorsIds,
-      authorizedUser,
-    });
-
-    this.logger.info('[vendor] bulk deleted successfully.', {
-      tenantId,
-      vendorsIds,
-    });
-  }
-
-  /**
-   * Validates the vendor has no associated bills or throw service error.
-   * @param {number} tenantId
-   * @param {number} vendorId
-   */
-  private async vendorHasNoBillsOrThrowError(
-    tenantId: number,
-    vendorId: number
-  ) {
-    const { billRepository } = this.tenancy.repositories(tenantId);
-
-    // Retrieve the bill that associated to the given vendor id.
-    const bills = await billRepository.find({ vendor_id: vendorId });
-
-    if (bills.length > 0) {
-      throw new ServiceError('vendor_has_bills');
-    }
-  }
-
-  /**
-   * Throws error in case one of vendors have associated bills.
-   * @param  {number} tenantId
-   * @param  {number[]} customersIds
-   * @throws {ServiceError}
-   */
-  private async vendorsHaveNoBillsOrThrowError(
-    tenantId: number,
-    vendorsIds: number[]
-  ) {
-    const { billRepository } = this.tenancy.repositories(tenantId);
-
-    // Retrieves bills that assocaited to the given vendors.
-    const vendorsBills = await billRepository.findWhereIn(
-      'vendor_id',
-      vendorsIds
-    );
-    const billsVendorsIds = vendorsBills.map((bill) => bill.vendorId);
-
-    // The intersection between vendors and vendors that have bills.
-    const vendorsHaveInvoices = intersection(vendorsIds, billsVendorsIds);
-
-    if (vendorsHaveInvoices.length > 0) {
-      throw new ServiceError('some_vendors_have_bills');
-    }
-  }
-
   /**
    * Retrieve vendors datatable list.
    * @param {number} tenantId - Tenant id.

server/src/services/Purchases/BillPayments/BillPayments.ts

@@ -33,8 +33,8 @@ import { ERRORS } from './constants';
  * Bill payments service.
  * @service
  */
-@Service()
+@Service('BillPayments')
-export default class BillPaymentsService {
+export default class BillPaymentsService implements IBillPaymentsService {
   @Inject()
   accountsService: AccountsService;
 
@@ -178,7 +178,7 @@ export default class BillPaymentsService {
 
     if (notOpenedBills.length > 0) {
       throw new ServiceError(ERRORS.BILLS_NOT_OPENED_YET, null, {
-        notOpenedBills
+        notOpenedBills,
       });
     }
   }
@@ -696,4 +696,19 @@ export default class BillPaymentsService {
     );
     await Promise.all(opers);
   }
+
+  /**
+   * Validates the given vendor has no associated payments.
+   * @param {number} tenantId
+   * @param {number} vendorId
+   */
+  public async validateVendorHasNoPayments(tenantId: number, vendorId: number) {
+    const { BillPayment } = this.tenancy.models(tenantId);
+
+    const payments = await BillPayment.query().where('vendor_id', vendorId);
+
+    if (payments.length > 0) {
+      throw new ServiceError(ERRORS.VENDOR_HAS_PAYMENTS);
+    }
+  }
 }

server/src/services/Purchases/BillPayments/constants.ts

@@ -9,5 +9,6 @@ export const ERRORS = {
   BILL_PAYMENT_ENTRIES_NOT_FOUND: 'BILL_PAYMENT_ENTRIES_NOT_FOUND',
   INVALID_BILL_PAYMENT_AMOUNT: 'INVALID_BILL_PAYMENT_AMOUNT',
   PAYMENT_NUMBER_SHOULD_NOT_MODIFY: 'PAYMENT_NUMBER_SHOULD_NOT_MODIFY',
-  BILLS_NOT_OPENED_YET: 'BILLS_NOT_OPENED_YET'
+  BILLS_NOT_OPENED_YET: 'BILLS_NOT_OPENED_YET',
+  VENDOR_HAS_PAYMENTS: 'VENDOR_HAS_PAYMENTS'
 };

server/src/services/Purchases/Bills.ts

@@ -21,6 +21,7 @@ import {
   IPaginationMeta,
   IFilterMeta,
   IBillsFilter,
+  IBillsService
 } from 'interfaces';
 import { ServiceError } from 'exceptions';
 import ItemsService from 'services/Items/ItemsService';
@@ -34,8 +35,8 @@ import { ERRORS } from './constants';
  * Vendor bills services.
  * @service
  */
-@Service()
+@Service('Bills')
-export default class BillsService extends SalesInvoicesCost {
+export default class BillsService extends SalesInvoicesCost implements IBillsService {
   @Inject()
   inventoryService: InventoryService;
 
@@ -144,10 +145,7 @@ export default class BillsService extends SalesInvoicesCost {
    * @param {number} tenantId
    * @param {number} billId - Bill id.
    */
-  private async validateBillHasNoEntries(
+  private async validateBillHasNoEntries(tenantId, billId: number) {
-    tenantId,
-    billId: number,
-  ) {
     const { BillPaymentEntry } = this.tenancy.models(tenantId);
 
     // Retireve the bill associate payment made entries.
@@ -578,4 +576,22 @@ export default class BillsService extends SalesInvoicesCost {
       'Bill'
     );
   }
+
+  /**
+   * Validate the given vendor has no associated bills transactions.
+   * @param {number} tenantId
+   * @param {number} vendorId - Vendor id.
+   */
+  public async validateVendorHasNoBills(
+    tenantId: number,
+    vendorId: number
+  ) {
+    const { Bill } = this.tenancy.models(tenantId);
+
+    const bills = await Bill.query().where('vendor_id', vendorId);
+
+    if (bills.length > 0) {
+      throw new ServiceError(ERRORS.VENDOR_HAS_BILLS);
+    }
+  }
 }

server/src/services/Purchases/constants.ts

@@ -8,5 +8,6 @@ export const ERRORS = {
   NOT_PURCHASE_ABLE_ITEMS: 'NOT_PURCHASE_ABLE_ITEMS',
   BILL_ALREADY_OPEN: 'BILL_ALREADY_OPEN',
   BILL_NO_IS_REQUIRED: 'BILL_NO_IS_REQUIRED',
-  BILL_HAS_ASSOCIATED_PAYMENT_ENTRIES: 'BILL_HAS_ASSOCIATED_PAYMENT_ENTRIES'
+  BILL_HAS_ASSOCIATED_PAYMENT_ENTRIES: 'BILL_HAS_ASSOCIATED_PAYMENT_ENTRIES',
+  VENDOR_HAS_BILLS: 'VENDOR_HAS_BILLS'
 };

server/src/services/Sales/PaymentReceives/PaymentsReceives.ts

@@ -15,6 +15,7 @@ import {
   IPaymentReceiveEntry,
   IPaymentReceiveEntryDTO,
   IPaymentReceivesFilter,
+  IPaymentsReceiveService,
   ISaleInvoice,
   ISystemUser,
 } from 'interfaces';
@@ -37,8 +38,8 @@ import { ERRORS } from './constants';
  * Payment receive service.
  * @service
  */
-@Service()
+@Service('PaymentReceives')
-export default class PaymentReceiveService {
+export default class PaymentReceiveService implements IPaymentsReceiveService {
   @Inject()
   accountsService: AccountsService;
 
@@ -522,7 +523,7 @@ export default class PaymentReceiveService {
   public async deletePaymentReceive(
     tenantId: number,
     paymentReceiveId: number,
-    authorizedUser: ISystemUser,
+    authorizedUser: ISystemUser
   ) {
     const { PaymentReceive, PaymentReceiveEntry } = this.tenancy.models(
       tenantId
@@ -772,4 +773,24 @@ export default class PaymentReceiveService {
     });
     await Promise.all([...opers]);
   }
+
+  /**
+   * Validate the given customer has no payments receives.
+   * @param {number} tenantId
+   * @param {number} customerId - Customer id.
+   */
+  public async validateCustomerHasNoPayments(
+    tenantId: number,
+    customerId: number
+  ) {
+    const { PaymentReceive } = this.tenancy.models(tenantId);
+
+    const paymentReceives = await PaymentReceive.query().where(
+      'customer_id',
+      customerId
+    );
+    if (paymentReceives.length > 0) {
+      throw new ServiceError(ERRORS.CUSTOMER_HAS_PAYMENT_RECEIVES);
+    }
+  }
 }

server/src/services/Sales/PaymentReceives/constants.ts

@@ -10,4 +10,5 @@ export const ERRORS = {
   PAYMENT_RECEIVE_NO_IS_REQUIRED: 'PAYMENT_RECEIVE_NO_IS_REQUIRED',
   PAYMENT_RECEIVE_NO_REQUIRED: 'PAYMENT_RECEIVE_NO_REQUIRED',
   PAYMENT_CUSTOMER_SHOULD_NOT_UPDATE: 'PAYMENT_CUSTOMER_SHOULD_NOT_UPDATE',
+  CUSTOMER_HAS_PAYMENT_RECEIVES: 'CUSTOMER_HAS_PAYMENT_RECEIVES'
 };

server/src/services/Sales/SalesEstimate.ts

@@ -6,6 +6,7 @@ import {
   IPaginationMeta,
   ISaleEstimate,
   ISaleEstimateDTO,
+  ISalesEstimatesService,
 } from 'interfaces';
 import {
   EventDispatcher,
@@ -32,14 +33,15 @@ const ERRORS = {
   SALE_ESTIMATE_ALREADY_APPROVED: 'SALE_ESTIMATE_ALREADY_APPROVED',
   SALE_ESTIMATE_NOT_DELIVERED: 'SALE_ESTIMATE_NOT_DELIVERED',
   SALE_ESTIMATE_NO_IS_REQUIRED: 'SALE_ESTIMATE_NO_IS_REQUIRED',
+  CUSTOMER_HAS_SALES_ESTIMATES: 'CUSTOMER_HAS_SALES_ESTIMATES',
 };
 
 /**
  * Sale estimate service.
  * @Service
  */
-@Service()
+@Service('SalesEstimates')
-export default class SaleEstimateService {
+export default class SaleEstimateService implements ISalesEstimatesService{
   @Inject()
   tenancy: TenancyService;
 
@@ -174,7 +176,8 @@ export default class SaleEstimateService {
     const autoNextNumber = this.getNextEstimateNumber(tenantId);
 
     // Retreive the next estimate number.
-    const estimateNumber = estimateDTO.estimateNumber ||
+    const estimateNumber =
+      estimateDTO.estimateNumber ||
       oldSaleEstimate?.estimateNumber ||
       autoNextNumber;
 
@@ -233,10 +236,7 @@ export default class SaleEstimateService {
     this.logger.info('[sale_estimate] inserting sale estimate to the storage.');
 
     // Transform DTO object ot model object.
-    const estimateObj = await this.transformDTOToModel(
+    const estimateObj = await this.transformDTOToModel(tenantId, estimateDTO);
-      tenantId,
-      estimateDTO
-    );
     // Validate estimate number uniquiness on the storage.
     await this.validateEstimateNumberExistance(
       tenantId,
@@ -583,4 +583,24 @@ export default class SaleEstimateService {
       approvedAt: null,
     });
   }
+
+  /**
+   * Validate the given customer has no sales estimates.
+   * @param {number} tenantId
+   * @param {number} customerId - Customer id.
+   */
+  public async validateCustomerHasNoEstimates(
+    tenantId: number,
+    customerId: number
+  ) {
+    const { SaleEstimate } = this.tenancy.models(tenantId);
+
+    const estimates = await SaleEstimate.query().where(
+      'customer_id',
+      customerId
+    );
+    if (estimates.length > 0) {
+      throw new ServiceError(ERRORS.CUSTOMER_HAS_SALES_ESTIMATES);
+    }
+  }
 }

server/src/services/Sales/SalesInvoices.ts

@@ -15,6 +15,7 @@ import {
   ISystemUser,
   IItem,
   IItemEntry,
+  ISalesInvoicesService
 } from 'interfaces';
 import JournalPoster from 'services/Accounting/JournalPoster';
 import JournalCommands from 'services/Accounting/JournalCommands';
@@ -36,8 +37,8 @@ import { ERRORS } from './constants';
  * Sales invoices service
  * @service
  */
-@Service()
+@Service('SalesInvoices')
-export default class SaleInvoicesService {
+export default class SaleInvoicesService implements ISalesInvoicesService {
   @Inject()
   tenancy: TenancyService;
 
@@ -665,4 +666,22 @@ export default class SaleInvoicesService {
 
     return salesInvoices;
   }
+
+  /**
+   * Validate the given customer has no sales invoices.
+   * @param {number} tenantId
+   * @param {number} customerId - Customer id.
+   */
+  public async validateCustomerHasNoInvoices(
+    tenantId: number,
+    customerId: number
+  ) {
+    const { SaleInvoice } = this.tenancy.models(tenantId);
+
+    const invoices = await SaleInvoice.query().where('customer_id', customerId);
+
+    if (invoices.length > 0) {
+      throw new ServiceError(ERRORS.CUSTOMER_HAS_SALES_INVOICES);
+    }
+  }
 }

server/src/services/Sales/SalesReceipts.ts

@@ -8,11 +8,18 @@ import {
 import events from 'subscribers/events';
 import JournalPoster from 'services/Accounting/JournalPoster';
 import JournalCommands from 'services/Accounting/JournalCommands';
-import { ISaleReceipt, ISaleReceiptDTO, IItemEntry, IItem } from 'interfaces';
+import {
+  IFilterMeta,
+  IPaginationMeta,
+  ISaleReceipt,
+  ISaleReceiptDTO,
+  ISalesReceiptsService,
+  IItemEntry,
+  IItem,
+} from 'interfaces';
 import JournalPosterService from 'services/Sales/JournalPosterService';
 import TenancyService from 'services/Tenancy/TenancyService';
 import { formatDateFields } from 'utils';
-import { IFilterMeta, IPaginationMeta } from 'interfaces';
 import DynamicListingService from 'services/DynamicListing/DynamicListService';
 import { ServiceError } from 'exceptions';
 import ItemsEntriesService from 'services/Items/ItemsEntriesService';
@@ -29,10 +36,11 @@ const ERRORS = {
   SALE_RECEIPT_NUMBER_NOT_UNIQUE: 'SALE_RECEIPT_NUMBER_NOT_UNIQUE',
   SALE_RECEIPT_IS_ALREADY_CLOSED: 'SALE_RECEIPT_IS_ALREADY_CLOSED',
   SALE_RECEIPT_NO_IS_REQUIRED: 'SALE_RECEIPT_NO_IS_REQUIRED',
+  CUSTOMER_HAS_SALES_INVOICES: 'CUSTOMER_HAS_SALES_INVOICES',
 };
 
-@Service()
+@Service('SalesReceipts')
-export default class SalesReceiptService {
+export default class SalesReceiptService implements ISalesReceiptsService {
   @Inject()
   tenancy: TenancyService;
 
@@ -548,4 +556,22 @@ export default class SalesReceiptService {
       'SaleReceipt'
     );
   }
+
+  /**
+   * Validate the given customer has no sales receipts.
+   * @param {number} tenantId
+   * @param {number} customerId - Customer id.
+   */
+  public async validateCustomerHasNoReceipts(
+    tenantId: number,
+    customerId: number
+  ) {
+    const { SaleReceipt } = this.tenancy.models(tenantId);
+
+    const receipts = await SaleReceipt.query().where('customer_id', customerId);
+
+    if (receipts.length > 0) {
+      throw new ServiceError(ERRORS.CUSTOMER_HAS_SALES_INVOICES);
+    }
+  }
 }

server/src/services/Sales/constants.ts

@@ -9,5 +9,6 @@ export const ERRORS = {
     'INVOICE_AMOUNT_SMALLER_THAN_PAYMENT_AMOUNT',
   INVOICE_HAS_ASSOCIATED_PAYMENT_ENTRIES:
     'INVOICE_HAS_ASSOCIATED_PAYMENT_ENTRIES',
-  SALE_INVOICE_NO_IS_REQUIRED: 'SALE_INVOICE_NO_IS_REQUIRED'
+  SALE_INVOICE_NO_IS_REQUIRED: 'SALE_INVOICE_NO_IS_REQUIRED',
+  CUSTOMER_HAS_SALES_INVOICES: 'CUSTOMER_HAS_SALES_INVOICES'
 };