feat(server): wip syncing Plaid transactions

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

@@ -1,18 +1,33 @@
 import { Inject, Service } from 'typedi';
 import { PlaidLinkTokenService } from './PlaidLinkToken';
+import { PlaidItemService } from './PlaidItem';
+import { PlaidItemDTO } from './_types';
 
 @Service()
 export class PlaidApplication {
   @Inject()
   private getLinkTokenService: PlaidLinkTokenService;
 
+  @Inject()
+  private plaidItemService: PlaidItemService;
+
   /**
-   * 
-   * @param tenantId 
-   * @param itemId 
-   * @returns 
+   * 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) {
+    return this.plaidItemService.item(tenantId, itemDTO);
+  }
 }

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

@@ -0,0 +1,42 @@
+import { Inject, Service } from 'typedi';
+import { PlaidClientWrapper } from '@/lib/Plaid';
+import { PlaidItemDTO } from './_types';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { PlaidUpdateTransactions } from '@/lib/Plaid/PlaidUpdateTransactions';
+
+@Service()
+export class PlaidItemService {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private plaidUpdateTranasctions: PlaidUpdateTransactions;
+
+  /**
+   * 
+   * @param {number} tenantId 
+   * @param {PlaidItemDTO} itemDTO 
+   */
+  public async item(tenantId: number, itemDTO: PlaidItemDTO) {
+    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;
+
+    const plaidItem = await PlaidItem.query().insertAndFetch({
+      tenantId,
+      plaidAccessToken,
+      plaidItemId,
+      plaidInstitutionId: institutionId,
+    });
+    
+    this.plaidUpdateTranasctions.updateTransactions(tenantId, plaidItemId);
+  }
+}

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

@@ -0,0 +1,4 @@
+export interface PlaidItemDTO {
+  publicToken: string;
+  institutionId: string;
+}

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

@@ -86,6 +86,7 @@ export default class NewCashflowTransactionService {
       'cashflowAccountId',
       'creditAccountId',
       'branchId',
+      'plaidAccountId'
     ]);
     // Retreive the next invoice number.
     const autoNextNumber =
@@ -124,7 +125,7 @@ export default class NewCashflowTransactionService {
   public newCashflowTransaction = async (
     tenantId: number,
     newTransactionDTO: ICashflowNewCommandDTO,
-    userId: number
+    userId?: number 
   ): Promise<{ cashflowTransaction: ICashflowTransaction }> => {
     const { CashflowTransaction, Account } = this.tenancy.models(tenantId);