feat: improvement in Plaid accounts disconnecting

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

@@ -1,70 +1,12 @@
-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 = {
-  transactionsRefresh: defaultLogger,
-  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() {
+  private static instance: PlaidClientWrapper;
+  private client: PlaidApi;
+
+  private constructor() {
     // Initialize the Plaid client.
     const configuration = new Configuration({
       basePath: PlaidEnvironments[config.plaid.env],
@@ -76,26 +18,13 @@ export class PlaidClientWrapper {
         },
       },
     });
-
     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;
-      }
-    };
+  public static getClient(): PlaidApi {
+    if (!PlaidClientWrapper.instance) {
+      PlaidClientWrapper.instance = new PlaidClientWrapper();
+    }
+    return PlaidClientWrapper.instance.client;
   }
 }