feat(server): wip syncing Plaid transactions

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);
+  }
+}