Bugfix/fix currency inconsistency with GBX and GBp in eod historical data service (#1869)

* Fix currency inconsistency (GBX vs. GBp)

* Update changelog

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Introduced the allocations by ETF provider chart on the allocations page
 
+### Fixed
+
+- Fixed an issue with the currency inconsistency in the _EOD Historical Data_ service (convert from `GBX` to `GBp`)
+
 ## 1.256.0 - 2023-04-17
 
 ### Added

apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts

@@ -40,7 +40,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
     return {
       assetClass: searchResult?.assetClass,
       assetSubClass: searchResult?.assetSubClass,
-      currency: searchResult?.currency,
+      currency: this.convertCurrency(searchResult?.currency),
       dataSource: this.getName(),
       isin: searchResult?.isin,
       name: searchResult?.name,
@@ -147,7 +147,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
           { close, code, timestamp }
         ) => {
           result[code] = {
-            currency: searchResponse?.items[0]?.currency,
+            currency: this.convertCurrency(searchResponse?.items[0]?.currency),
             dataSource: DataSource.EOD_HISTORICAL_DATA,
             marketPrice: close,
             marketState: isToday(new Date(timestamp * 1000)) ? 'open' : 'closed'
@@ -184,16 +184,26 @@ export class EodHistoricalDataService implements DataProviderInterface {
             return {
               assetClass,
               assetSubClass,
-              currency,
               dataSource,
               name,
-              symbol
+              symbol,
+              currency: this.convertCurrency(currency)
             };
           }
         )
     };
   }
 
+  private convertCurrency(aCurrency: string) {
+    let currency = aCurrency;
+
+    if (currency === 'GBX') {
+      currency = 'GBp';
+    }
+
+    return currency;
+  }
+
   private async getSearchResult(aQuery: string): Promise<
     (LookupItem & {
       assetClass: AssetClass;
@@ -213,14 +223,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
       const response = await get();
 
       searchResult = response.map(
-        ({
-          Code,
-          Currency: currency,
-          Exchange,
-          ISIN: isin,
-          Name: name,
-          Type
-        }) => {
+        ({ Code, Currency, Exchange, ISIN: isin, Name: name, Type }) => {
           const { assetClass, assetSubClass } = this.parseAssetClass({
             Exchange,
             Type
@@ -229,9 +232,9 @@ export class EodHistoricalDataService implements DataProviderInterface {
           return {
             assetClass,
             assetSubClass,
-            currency,
             isin,
             name,
+            currency: this.convertCurrency(Currency),
             dataSource: this.getName(),
             symbol: `${Code}.${Exchange}`
           };