Feature/improve search in Yahoo Finance service (#5518)

* Improve search

* Update changelog

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Improved the search in the _Yahoo Finance_ service
 - Moved the holdings table into the holdings section on the public page
 - Refactored the login with access token dialog component to standalone
 

apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts

@@ -24,6 +24,7 @@ import {
 import { Injectable, Logger } from '@nestjs/common';
 import { DataSource, SymbolProfile } from '@prisma/client';
 import { addDays, format, isSameDay } from 'date-fns';
+import { uniqBy } from 'lodash';
 import YahooFinance from 'yahoo-finance2';
 import { ChartResultArray } from 'yahoo-finance2/esm/src/modules/chart';
 import {
@@ -290,7 +291,9 @@ export class YahooFinanceService implements DataProviderInterface {
 
       try {
         marketData = await this.yahooFinance.quote(
-          quotes.map(({ symbol }) => {
+          uniqBy(quotes, ({ symbol }) => {
+            return symbol;
+          }).map(({ symbol }) => {
             return symbol;
           })
         );
@@ -300,35 +303,35 @@ export class YahooFinanceService implements DataProviderInterface {
         }
       }
 
-      for (const marketDataItem of marketData) {
-        const quote = quotes.find((currentQuote) => {
-          return currentQuote.symbol === marketDataItem.symbol;
-        });
-
-        const symbol =
-          this.yahooFinanceDataEnhancerService.convertFromYahooFinanceSymbol(
-            marketDataItem.symbol
-          );
-
+      for (const {
+        currency,
+        longName,
+        quoteType,
+        shortName,
+        symbol
+      } of marketData) {
         const { assetClass, assetSubClass } =
           this.yahooFinanceDataEnhancerService.parseAssetClass({
-            quoteType: quote.quoteType,
-            shortName: quote.shortname
+            quoteType,
+            shortName
           });
 
         items.push({
           assetClass,
           assetSubClass,
-          symbol,
-          currency: marketDataItem.currency,
+          currency,
           dataProviderInfo: this.getDataProviderInfo(),
           dataSource: this.getName(),
           name: this.yahooFinanceDataEnhancerService.formatName({
-            longName: quote.longname,
-            quoteType: quote.quoteType,
-            shortName: quote.shortname,
-            symbol: quote.symbol
-          })
+            longName,
+            quoteType,
+            shortName,
+            symbol
+          }),
+          symbol:
+            this.yahooFinanceDataEnhancerService.convertFromYahooFinanceSymbol(
+              symbol
+            )
         });
       }
     } catch (error) {