From bc33e5f147e624cc1e23ce84a09262243bb007a9 Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Fri, 8 Sep 2023 20:43:23 +0200
Subject: [PATCH] Feature/remove deprecated environment variable base currency
 (#2255)

* Remove the deprecated environment variable BASE_CURRENCY

* Update changelog
---
 CHANGELOG.md                                  |  1 +
 apps/api/src/app/admin/admin.service.ts       | 17 +++----
 apps/api/src/app/info/info.service.ts         |  3 +-
 .../portfolio/current-rate.service.spec.ts    |  1 -
 .../src/app/portfolio/portfolio.controller.ts | 14 +++---
 .../src/app/portfolio/portfolio.service.ts    | 13 ++---
 apps/api/src/app/user/user.service.ts         | 10 ++--
 apps/api/src/main.ts                          | 10 ----
 .../configuration/configuration.service.ts    |  6 +--
 .../coingecko/coingecko.service.ts            | 21 +++-----
 .../yahoo-finance.service.spec.ts             |  4 --
 .../yahoo-finance/yahoo-finance.service.ts    | 33 +++++--------
 .../eod-historical-data.service.ts            | 47 +++++++++---------
 .../financial-modeling-prep.service.ts        |  5 +-
 .../yahoo-finance/yahoo-finance.service.ts    | 49 +++++++++----------
 .../exchange-rate-data.service.ts             | 34 ++++++-------
 .../interfaces/environment.interface.ts       |  1 -
 17 files changed, 109 insertions(+), 160 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6276d39bf..307c79272 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- **Breaking Change**: Removed the deprecated environment variable `BASE_CURRENCY`
 - Improved the validation in the activities import
 - Deactivated _Internet Identity_ as a social login provider for the account registration
 - Improved the language localization for German (`de`)
diff --git a/apps/api/src/app/admin/admin.service.ts b/apps/api/src/app/admin/admin.service.ts
index 7563909dd..b1b6b9418 100644
--- a/apps/api/src/app/admin/admin.service.ts
+++ b/apps/api/src/app/admin/admin.service.ts
@@ -6,7 +6,10 @@ import { MarketDataService } from '@ghostfolio/api/services/market-data/market-d
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
 import { SymbolProfileService } from '@ghostfolio/api/services/symbol-profile/symbol-profile.service';
-import { PROPERTY_CURRENCIES } from '@ghostfolio/common/config';
+import {
+  DEFAULT_CURRENCY,
+  PROPERTY_CURRENCIES
+} from '@ghostfolio/common/config';
 import {
   AdminData,
   AdminMarketData,
@@ -23,8 +26,6 @@ import { groupBy } from 'lodash';
 
 @Injectable()
 export class AdminService {
-  private baseCurrency: string;
-
   public constructor(
     private readonly configurationService: ConfigurationService,
     private readonly dataProviderService: DataProviderService,
@@ -34,9 +35,7 @@ export class AdminService {
     private readonly propertyService: PropertyService,
     private readonly subscriptionService: SubscriptionService,
     private readonly symbolProfileService: SymbolProfileService
-  ) {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
-  }
+  ) {}
 
   public async addAssetProfile({
     dataSource,
@@ -80,15 +79,15 @@ export class AdminService {
       exchangeRates: this.exchangeRateDataService
         .getCurrencies()
         .filter((currency) => {
-          return currency !== this.baseCurrency;
+          return currency !== DEFAULT_CURRENCY;
         })
         .map((currency) => {
           return {
-            label1: this.baseCurrency,
+            label1: DEFAULT_CURRENCY,
             label2: currency,
             value: this.exchangeRateDataService.toCurrency(
               1,
-              this.baseCurrency,
+              DEFAULT_CURRENCY,
               currency
             )
           };
diff --git a/apps/api/src/app/info/info.service.ts b/apps/api/src/app/info/info.service.ts
index 59df59f0b..ec294bc25 100644
--- a/apps/api/src/app/info/info.service.ts
+++ b/apps/api/src/app/info/info.service.ts
@@ -7,6 +7,7 @@ import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
 import { TagService } from '@ghostfolio/api/services/tag/tag.service';
 import {
+  DEFAULT_CURRENCY,
   PROPERTY_BETTER_UPTIME_MONITOR_ID,
   PROPERTY_COUNTRIES_OF_SUBSCRIBERS,
   PROPERTY_DEMO_USER_ID,
@@ -139,7 +140,7 @@ export class InfoService {
       subscriptions,
       systemMessage,
       tags,
-      baseCurrency: this.configurationService.get('BASE_CURRENCY'),
+      baseCurrency: DEFAULT_CURRENCY,
       currencies: this.exchangeRateDataService.getCurrencies()
     };
   }
diff --git a/apps/api/src/app/portfolio/current-rate.service.spec.ts b/apps/api/src/app/portfolio/current-rate.service.spec.ts
index c9711aa7b..88790d2be 100644
--- a/apps/api/src/app/portfolio/current-rate.service.spec.ts
+++ b/apps/api/src/app/portfolio/current-rate.service.spec.ts
@@ -105,7 +105,6 @@ describe('CurrentRateService', () => {
       null,
       null,
       null,
-      null,
       null
     );
     marketDataService = new MarketDataService(null);
diff --git a/apps/api/src/app/portfolio/portfolio.controller.ts b/apps/api/src/app/portfolio/portfolio.controller.ts
index 93af43edb..ef6f3af99 100644
--- a/apps/api/src/app/portfolio/portfolio.controller.ts
+++ b/apps/api/src/app/portfolio/portfolio.controller.ts
@@ -10,7 +10,10 @@ import { TransformDataSourceInResponseInterceptor } from '@ghostfolio/api/interc
 import { ApiService } from '@ghostfolio/api/services/api/api.service';
 import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service';
-import { HEADER_KEY_IMPERSONATION } from '@ghostfolio/common/config';
+import {
+  DEFAULT_CURRENCY,
+  HEADER_KEY_IMPERSONATION
+} from '@ghostfolio/common/config';
 import {
   PortfolioDetails,
   PortfolioDividends,
@@ -47,8 +50,6 @@ import { PortfolioService } from './portfolio.service';
 
 @Controller('portfolio')
 export class PortfolioController {
-  private baseCurrency: string;
-
   public constructor(
     private readonly accessService: AccessService,
     private readonly apiService: ApiService,
@@ -57,9 +58,7 @@ export class PortfolioController {
     private readonly portfolioService: PortfolioService,
     @Inject(REQUEST) private readonly request: RequestWithUser,
     private readonly userService: UserService
-  ) {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
-  }
+  ) {}
 
   @Get('details')
   @UseGuards(AuthGuard('jwt'))
@@ -442,8 +441,7 @@ export class PortfolioController {
         return this.exchangeRateDataService.toCurrency(
           portfolioPosition.quantity * portfolioPosition.marketPrice,
           portfolioPosition.currency,
-          this.request.user?.Settings?.settings.baseCurrency ??
-            this.baseCurrency
+          this.request.user?.Settings?.settings.baseCurrency ?? DEFAULT_CURRENCY
         );
       })
       .reduce((a, b) => a + b, 0);
diff --git a/apps/api/src/app/portfolio/portfolio.service.ts b/apps/api/src/app/portfolio/portfolio.service.ts
index 466cec964..6deda49b7 100644
--- a/apps/api/src/app/portfolio/portfolio.service.ts
+++ b/apps/api/src/app/portfolio/portfolio.service.ts
@@ -11,12 +11,12 @@ import { AccountClusterRiskSingleAccount } from '@ghostfolio/api/models/rules/ac
 import { CurrencyClusterRiskBaseCurrencyCurrentInvestment } from '@ghostfolio/api/models/rules/currency-cluster-risk/base-currency-current-investment';
 import { CurrencyClusterRiskCurrentInvestment } from '@ghostfolio/api/models/rules/currency-cluster-risk/current-investment';
 import { FeeRatioInitialInvestment } from '@ghostfolio/api/models/rules/fees/fee-ratio-initial-investment';
-import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service';
 import { ImpersonationService } from '@ghostfolio/api/services/impersonation/impersonation.service';
 import { SymbolProfileService } from '@ghostfolio/api/services/symbol-profile/symbol-profile.service';
 import {
+  DEFAULT_CURRENCY,
   EMERGENCY_FUND_TAG_ID,
   MAX_CHART_ITEMS,
   UNKNOWN_KEY
@@ -90,11 +90,8 @@ const europeMarkets = require('../../assets/countries/europe-markets.json');
 
 @Injectable()
 export class PortfolioService {
-  private baseCurrency: string;
-
   public constructor(
     private readonly accountService: AccountService,
-    private readonly configurationService: ConfigurationService,
     private readonly currentRateService: CurrentRateService,
     private readonly dataProviderService: DataProviderService,
     private readonly exchangeRateDataService: ExchangeRateDataService,
@@ -104,9 +101,7 @@ export class PortfolioService {
     private readonly rulesService: RulesService,
     private readonly symbolProfileService: SymbolProfileService,
     private readonly userService: UserService
-  ) {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
-  }
+  ) {}
 
   public async getAccounts({
     filters,
@@ -1768,7 +1763,7 @@ export class PortfolioService {
     portfolioOrders: PortfolioOrder[];
   }> {
     const userCurrency =
-      this.request.user?.Settings?.settings.baseCurrency ?? this.baseCurrency;
+      this.request.user?.Settings?.settings.baseCurrency ?? DEFAULT_CURRENCY;
 
     const orders = await this.orderService.getOrders({
       filters,
@@ -1990,7 +1985,7 @@ export class PortfolioService {
     return (
       aUser.Settings?.settings.baseCurrency ??
       this.request.user?.Settings?.settings.baseCurrency ??
-      this.baseCurrency
+      DEFAULT_CURRENCY
     );
   }
 
diff --git a/apps/api/src/app/user/user.service.ts b/apps/api/src/app/user/user.service.ts
index 88f4bc0b1..c5cc3c8ce 100644
--- a/apps/api/src/app/user/user.service.ts
+++ b/apps/api/src/app/user/user.service.ts
@@ -25,17 +25,13 @@ const crypto = require('crypto');
 
 @Injectable()
 export class UserService {
-  private baseCurrency: string;
-
   public constructor(
     private readonly configurationService: ConfigurationService,
     private readonly prismaService: PrismaService,
     private readonly propertyService: PropertyService,
     private readonly subscriptionService: SubscriptionService,
     private readonly tagService: TagService
-  ) {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
-  }
+  ) {}
 
   public async count(args?: Prisma.UserCountArgs) {
     return this.prismaService.user.count(args);
@@ -271,7 +267,7 @@ export class UserService {
         ...data,
         Account: {
           create: {
-            currency: this.baseCurrency,
+            currency: DEFAULT_CURRENCY,
             isDefault: true,
             name: 'Default Account'
           }
@@ -279,7 +275,7 @@ export class UserService {
         Settings: {
           create: {
             settings: {
-              currency: this.baseCurrency
+              currency: DEFAULT_CURRENCY
             }
           }
         }
diff --git a/apps/api/src/main.ts b/apps/api/src/main.ts
index e0e7daf2f..016f82473 100644
--- a/apps/api/src/main.ts
+++ b/apps/api/src/main.ts
@@ -55,7 +55,6 @@ async function bootstrap() {
 
   app.use(HtmlTemplateMiddleware);
 
-  const BASE_CURRENCY = configService.get<string>('BASE_CURRENCY');
   const HOST = configService.get<string>('HOST') || '0.0.0.0';
   const PORT = configService.get<number>('PORT') || 3333;
 
@@ -63,15 +62,6 @@ async function bootstrap() {
     logLogo();
     Logger.log(`Listening at http://${HOST}:${PORT}`);
     Logger.log('');
-
-    if (BASE_CURRENCY) {
-      Logger.warn(
-        `The environment variable "BASE_CURRENCY" is deprecated and will be removed in Ghostfolio 2.0.`
-      );
-      Logger.warn(
-        'Please use the currency converter in the activity dialog instead.'
-      );
-    }
   });
 }
 
diff --git a/apps/api/src/services/configuration/configuration.service.ts b/apps/api/src/services/configuration/configuration.service.ts
index 54eedaa4d..40a04f5a0 100644
--- a/apps/api/src/services/configuration/configuration.service.ts
+++ b/apps/api/src/services/configuration/configuration.service.ts
@@ -1,5 +1,5 @@
 import { Environment } from '@ghostfolio/api/services/interfaces/environment.interface';
-import { DEFAULT_CURRENCY, DEFAULT_ROOT_URL } from '@ghostfolio/common/config';
+import { DEFAULT_ROOT_URL } from '@ghostfolio/common/config';
 import { Injectable } from '@nestjs/common';
 import { DataSource } from '@prisma/client';
 import { bool, cleanEnv, host, json, num, port, str } from 'envalid';
@@ -12,10 +12,6 @@ export class ConfigurationService {
     this.environmentConfiguration = cleanEnv(process.env, {
       ACCESS_TOKEN_SALT: str(),
       ALPHA_VANTAGE_API_KEY: str({ default: '' }),
-      BASE_CURRENCY: str({
-        choices: ['AUD', 'CAD', 'CNY', 'EUR', 'GBP', 'JPY', 'RUB', 'USD'],
-        default: DEFAULT_CURRENCY
-      }),
       BETTER_UPTIME_API_KEY: str({ default: '' }),
       CACHE_QUOTES_TTL: num({ default: 1 }),
       CACHE_TTL: num({ default: 1 }),
diff --git a/apps/api/src/services/data-provider/coingecko/coingecko.service.ts b/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
index 492664393..56594ca40 100644
--- a/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
+++ b/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
@@ -1,10 +1,10 @@
 import { LookupItem } from '@ghostfolio/api/app/symbol/interfaces/lookup-item.interface';
-import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { DataProviderInterface } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
   IDataProviderHistoricalResponse,
   IDataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DEFAULT_CURRENCY } from '@ghostfolio/common/config';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
 import { DataProviderInfo } from '@ghostfolio/common/interfaces';
 import { Granularity } from '@ghostfolio/common/types';
@@ -20,14 +20,9 @@ import got from 'got';
 
 @Injectable()
 export class CoinGeckoService implements DataProviderInterface {
-  private baseCurrency: string;
   private readonly URL = 'https://api.coingecko.com/api/v3';
 
-  public constructor(
-    private readonly configurationService: ConfigurationService
-  ) {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
-  }
+  public constructor() {}
 
   public canHandle(symbol: string) {
     return true;
@@ -39,7 +34,7 @@ export class CoinGeckoService implements DataProviderInterface {
     const response: Partial<SymbolProfile> = {
       assetClass: AssetClass.CASH,
       assetSubClass: AssetSubClass.CRYPTOCURRENCY,
-      currency: this.baseCurrency,
+      currency: DEFAULT_CURRENCY,
       dataSource: this.getName(),
       symbol: aSymbol
     };
@@ -81,7 +76,7 @@ export class CoinGeckoService implements DataProviderInterface {
       const { prices } = await got(
         `${
           this.URL
-        }/coins/${aSymbol}/market_chart/range?vs_currency=${this.baseCurrency.toLowerCase()}&from=${getUnixTime(
+        }/coins/${aSymbol}/market_chart/range?vs_currency=${DEFAULT_CURRENCY.toLowerCase()}&from=${getUnixTime(
           from
         )}&to=${getUnixTime(to)}`
       ).json<any>();
@@ -130,16 +125,16 @@ export class CoinGeckoService implements DataProviderInterface {
       const response = await got(
         `${this.URL}/simple/price?ids=${aSymbols.join(
           ','
-        )}&vs_currencies=${this.baseCurrency.toLowerCase()}`
+        )}&vs_currencies=${DEFAULT_CURRENCY.toLowerCase()}`
       ).json<any>();
 
       for (const symbol in response) {
         if (Object.prototype.hasOwnProperty.call(response, symbol)) {
           results[symbol] = {
-            currency: this.baseCurrency,
+            currency: DEFAULT_CURRENCY,
             dataProviderInfo: this.getDataProviderInfo(),
             dataSource: DataSource.COINGECKO,
-            marketPrice: response[symbol][this.baseCurrency.toLowerCase()],
+            marketPrice: response[symbol][DEFAULT_CURRENCY.toLowerCase()],
             marketState: 'open'
           };
         }
@@ -175,7 +170,7 @@ export class CoinGeckoService implements DataProviderInterface {
           symbol,
           assetClass: AssetClass.CASH,
           assetSubClass: AssetSubClass.CRYPTOCURRENCY,
-          currency: this.baseCurrency,
+          currency: DEFAULT_CURRENCY,
           dataSource: this.getName()
         };
       });
diff --git a/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.spec.ts b/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.spec.ts
index 951a623d0..8a8ab1f08 100644
--- a/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.spec.ts
+++ b/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.spec.ts
@@ -1,4 +1,3 @@
-import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { CryptocurrencyService } from '@ghostfolio/api/services/cryptocurrency/cryptocurrency.service';
 
 import { YahooFinanceDataEnhancerService } from './yahoo-finance.service';
@@ -26,16 +25,13 @@ jest.mock(
 );
 
 describe('YahooFinanceDataEnhancerService', () => {
-  let configurationService: ConfigurationService;
   let cryptocurrencyService: CryptocurrencyService;
   let yahooFinanceDataEnhancerService: YahooFinanceDataEnhancerService;
 
   beforeAll(async () => {
-    configurationService = new ConfigurationService();
     cryptocurrencyService = new CryptocurrencyService();
 
     yahooFinanceDataEnhancerService = new YahooFinanceDataEnhancerService(
-      configurationService,
       cryptocurrencyService
     );
   });
diff --git a/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.ts b/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.ts
index 725d85457..8731e709c 100644
--- a/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.ts
+++ b/apps/api/src/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service.ts
@@ -1,7 +1,6 @@
-import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { CryptocurrencyService } from '@ghostfolio/api/services/cryptocurrency/cryptocurrency.service';
 import { DataEnhancerInterface } from '@ghostfolio/api/services/data-provider/interfaces/data-enhancer.interface';
-import { UNKNOWN_KEY } from '@ghostfolio/common/config';
+import { DEFAULT_CURRENCY, UNKNOWN_KEY } from '@ghostfolio/common/config';
 import { isCurrency } from '@ghostfolio/common/helper';
 import { Injectable, Logger } from '@nestjs/common';
 import {
@@ -17,23 +16,18 @@ import type { Price } from 'yahoo-finance2/dist/esm/src/modules/quoteSummary-ifa
 
 @Injectable()
 export class YahooFinanceDataEnhancerService implements DataEnhancerInterface {
-  private baseCurrency: string;
-
   public constructor(
-    private readonly configurationService: ConfigurationService,
     private readonly cryptocurrencyService: CryptocurrencyService
-  ) {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
-  }
+  ) {}
 
   public convertFromYahooFinanceSymbol(aYahooFinanceSymbol: string) {
     let symbol = aYahooFinanceSymbol.replace(
-      new RegExp(`-${this.baseCurrency}$`),
-      this.baseCurrency
+      new RegExp(`-${DEFAULT_CURRENCY}$`),
+      DEFAULT_CURRENCY
     );
 
-    if (symbol.includes('=X') && !symbol.includes(this.baseCurrency)) {
-      symbol = `${this.baseCurrency}${symbol}`;
+    if (symbol.includes('=X') && !symbol.includes(DEFAULT_CURRENCY)) {
+      symbol = `${DEFAULT_CURRENCY}${symbol}`;
     }
 
     return symbol.replace('=X', '');
@@ -48,21 +42,18 @@ export class YahooFinanceDataEnhancerService implements DataEnhancerInterface {
    */
   public convertToYahooFinanceSymbol(aSymbol: string) {
     if (
-      aSymbol.includes(this.baseCurrency) &&
-      aSymbol.length > this.baseCurrency.length
+      aSymbol.includes(DEFAULT_CURRENCY) &&
+      aSymbol.length > DEFAULT_CURRENCY.length
     ) {
       if (
         isCurrency(
-          aSymbol.substring(0, aSymbol.length - this.baseCurrency.length)
+          aSymbol.substring(0, aSymbol.length - DEFAULT_CURRENCY.length)
         )
       ) {
         return `${aSymbol}=X`;
       } else if (
         this.cryptocurrencyService.isCryptocurrency(
-          aSymbol.replace(
-            new RegExp(`-${this.baseCurrency}$`),
-            this.baseCurrency
-          )
+          aSymbol.replace(new RegExp(`-${DEFAULT_CURRENCY}$`), DEFAULT_CURRENCY)
         )
       ) {
         // Add a dash before the last three characters
@@ -70,8 +61,8 @@ export class YahooFinanceDataEnhancerService implements DataEnhancerInterface {
         // DOGEUSD -> DOGE-USD
         // SOL1USD -> SOL1-USD
         return aSymbol.replace(
-          new RegExp(`-?${this.baseCurrency}$`),
-          `-${this.baseCurrency}`
+          new RegExp(`-?${DEFAULT_CURRENCY}$`),
+          `-${DEFAULT_CURRENCY}`
         );
       }
     }
diff --git a/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts b/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
index e0d77645e..fd8114ad6 100644
--- a/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
+++ b/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
@@ -5,7 +5,10 @@ import {
   IDataProviderHistoricalResponse,
   IDataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
-import { DEFAULT_REQUEST_TIMEOUT } from '@ghostfolio/common/config';
+import {
+  DEFAULT_CURRENCY,
+  DEFAULT_REQUEST_TIMEOUT
+} from '@ghostfolio/common/config';
 import { DATE_FORMAT, isCurrency } from '@ghostfolio/common/helper';
 import { Granularity } from '@ghostfolio/common/types';
 import { Injectable, Logger } from '@nestjs/common';
@@ -22,14 +25,12 @@ import got from 'got';
 @Injectable()
 export class EodHistoricalDataService implements DataProviderInterface {
   private apiKey: string;
-  private baseCurrency: string;
   private readonly URL = 'https://eodhistoricaldata.com/api';
 
   public constructor(
     private readonly configurationService: ConfigurationService
   ) {
     this.apiKey = this.configurationService.get('EOD_HISTORICAL_DATA_API_KEY');
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
   }
 
   public canHandle(symbol: string) {
@@ -175,7 +176,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
           })?.currency;
 
           result[this.convertFromEodSymbol(code)] = {
-            currency: currency ?? this.baseCurrency,
+            currency: currency ?? DEFAULT_CURRENCY,
             dataSource: DataSource.EOD_HISTORICAL_DATA,
             marketPrice: close,
             marketState: isToday(new Date(timestamp * 1000)) ? 'open' : 'closed'
@@ -186,24 +187,24 @@ export class EodHistoricalDataService implements DataProviderInterface {
         {}
       );
 
-      if (response[`${this.baseCurrency}GBP`]) {
-        response[`${this.baseCurrency}GBp`] = {
-          ...response[`${this.baseCurrency}GBP`],
-          currency: `${this.baseCurrency}GBp`,
+      if (response[`${DEFAULT_CURRENCY}GBP`]) {
+        response[`${DEFAULT_CURRENCY}GBp`] = {
+          ...response[`${DEFAULT_CURRENCY}GBP`],
+          currency: `${DEFAULT_CURRENCY}GBp`,
           marketPrice: this.getConvertedValue({
-            symbol: `${this.baseCurrency}GBp`,
-            value: response[`${this.baseCurrency}GBP`].marketPrice
+            symbol: `${DEFAULT_CURRENCY}GBp`,
+            value: response[`${DEFAULT_CURRENCY}GBP`].marketPrice
           })
         };
       }
 
-      if (response[`${this.baseCurrency}ILS`]) {
-        response[`${this.baseCurrency}ILA`] = {
-          ...response[`${this.baseCurrency}ILS`],
-          currency: `${this.baseCurrency}ILA`,
+      if (response[`${DEFAULT_CURRENCY}ILS`]) {
+        response[`${DEFAULT_CURRENCY}ILA`] = {
+          ...response[`${DEFAULT_CURRENCY}ILS`],
+          currency: `${DEFAULT_CURRENCY}ILA`,
           marketPrice: this.getConvertedValue({
-            symbol: `${this.baseCurrency}ILA`,
-            value: response[`${this.baseCurrency}ILS`].marketPrice
+            symbol: `${DEFAULT_CURRENCY}ILA`,
+            value: response[`${DEFAULT_CURRENCY}ILS`].marketPrice
           })
         };
       }
@@ -272,7 +273,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
     if (symbol.endsWith('.FOREX')) {
       symbol = symbol.replace('GBX', 'GBp');
       symbol = symbol.replace('.FOREX', '');
-      symbol = `${this.baseCurrency}${symbol}`;
+      symbol = `${DEFAULT_CURRENCY}${symbol}`;
     }
 
     return symbol;
@@ -285,17 +286,17 @@ export class EodHistoricalDataService implements DataProviderInterface {
    */
   private convertToEodSymbol(aSymbol: string) {
     if (
-      aSymbol.startsWith(this.baseCurrency) &&
-      aSymbol.length > this.baseCurrency.length
+      aSymbol.startsWith(DEFAULT_CURRENCY) &&
+      aSymbol.length > DEFAULT_CURRENCY.length
     ) {
       if (
         isCurrency(
-          aSymbol.substring(0, aSymbol.length - this.baseCurrency.length)
+          aSymbol.substring(0, aSymbol.length - DEFAULT_CURRENCY.length)
         )
       ) {
         return `${aSymbol
           .replace('GBp', 'GBX')
-          .replace(this.baseCurrency, '')}.FOREX`;
+          .replace(DEFAULT_CURRENCY, '')}.FOREX`;
       }
     }
 
@@ -309,10 +310,10 @@ export class EodHistoricalDataService implements DataProviderInterface {
     symbol: string;
     value: number;
   }) {
-    if (symbol === `${this.baseCurrency}GBp`) {
+    if (symbol === `${DEFAULT_CURRENCY}GBp`) {
       // Convert GPB to GBp (pence)
       return new Big(value).mul(100).toNumber();
-    } else if (symbol === `${this.baseCurrency}ILA`) {
+    } else if (symbol === `${DEFAULT_CURRENCY}ILA`) {
       // Convert ILS to ILA
       return new Big(value).mul(100).toNumber();
     }
diff --git a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
index 3d7ba65f4..c5d163456 100644
--- a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
+++ b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
@@ -5,6 +5,7 @@ import {
   IDataProviderHistoricalResponse,
   IDataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DEFAULT_CURRENCY } from '@ghostfolio/common/config';
 import { DATE_FORMAT, parseDate } from '@ghostfolio/common/helper';
 import { DataProviderInfo } from '@ghostfolio/common/interfaces';
 import { Granularity } from '@ghostfolio/common/types';
@@ -16,7 +17,6 @@ import got from 'got';
 @Injectable()
 export class FinancialModelingPrepService implements DataProviderInterface {
   private apiKey: string;
-  private baseCurrency: string;
   private readonly URL = 'https://financialmodelingprep.com/api/v3';
 
   public constructor(
@@ -25,7 +25,6 @@ export class FinancialModelingPrepService implements DataProviderInterface {
     this.apiKey = this.configurationService.get(
       'FINANCIAL_MODELING_PREP_API_KEY'
     );
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
   }
 
   public canHandle(symbol: string) {
@@ -117,7 +116,7 @@ export class FinancialModelingPrepService implements DataProviderInterface {
 
       for (const { price, symbol } of response) {
         results[symbol] = {
-          currency: this.baseCurrency,
+          currency: DEFAULT_CURRENCY,
           dataProviderInfo: this.getDataProviderInfo(),
           dataSource: DataSource.FINANCIAL_MODELING_PREP,
           marketPrice: price,
diff --git a/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts b/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
index a525b4685..c7c0ebbc8 100644
--- a/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
+++ b/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
@@ -1,5 +1,4 @@
 import { LookupItem } from '@ghostfolio/api/app/symbol/interfaces/lookup-item.interface';
-import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { CryptocurrencyService } from '@ghostfolio/api/services/cryptocurrency/cryptocurrency.service';
 import { YahooFinanceDataEnhancerService } from '@ghostfolio/api/services/data-provider/data-enhancer/yahoo-finance/yahoo-finance.service';
 import { DataProviderInterface } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
@@ -7,6 +6,7 @@ import {
   IDataProviderHistoricalResponse,
   IDataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DEFAULT_CURRENCY } from '@ghostfolio/common/config';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
 import { Granularity } from '@ghostfolio/common/types';
 import { Injectable, Logger } from '@nestjs/common';
@@ -18,15 +18,10 @@ import { Quote } from 'yahoo-finance2/dist/esm/src/modules/quote';
 
 @Injectable()
 export class YahooFinanceService implements DataProviderInterface {
-  private baseCurrency: string;
-
   public constructor(
-    private readonly configurationService: ConfigurationService,
     private readonly cryptocurrencyService: CryptocurrencyService,
     private readonly yahooFinanceDataEnhancerService: YahooFinanceDataEnhancerService
-  ) {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
-  }
+  ) {}
 
   public canHandle(symbol: string) {
     return true;
@@ -212,50 +207,50 @@ export class YahooFinanceService implements DataProviderInterface {
         };
 
         if (
-          symbol === `${this.baseCurrency}GBP` &&
-          yahooFinanceSymbols.includes(`${this.baseCurrency}GBp=X`)
+          symbol === `${DEFAULT_CURRENCY}GBP` &&
+          yahooFinanceSymbols.includes(`${DEFAULT_CURRENCY}GBp=X`)
         ) {
           // Convert GPB to GBp (pence)
-          response[`${this.baseCurrency}GBp`] = {
+          response[`${DEFAULT_CURRENCY}GBp`] = {
             ...response[symbol],
             currency: 'GBp',
             marketPrice: this.getConvertedValue({
-              symbol: `${this.baseCurrency}GBp`,
+              symbol: `${DEFAULT_CURRENCY}GBp`,
               value: response[symbol].marketPrice
             })
           };
         } else if (
-          symbol === `${this.baseCurrency}ILS` &&
-          yahooFinanceSymbols.includes(`${this.baseCurrency}ILA=X`)
+          symbol === `${DEFAULT_CURRENCY}ILS` &&
+          yahooFinanceSymbols.includes(`${DEFAULT_CURRENCY}ILA=X`)
         ) {
           // Convert ILS to ILA
-          response[`${this.baseCurrency}ILA`] = {
+          response[`${DEFAULT_CURRENCY}ILA`] = {
             ...response[symbol],
             currency: 'ILA',
             marketPrice: this.getConvertedValue({
-              symbol: `${this.baseCurrency}ILA`,
+              symbol: `${DEFAULT_CURRENCY}ILA`,
               value: response[symbol].marketPrice
             })
           };
         } else if (
-          symbol === `${this.baseCurrency}ZAR` &&
-          yahooFinanceSymbols.includes(`${this.baseCurrency}ZAc=X`)
+          symbol === `${DEFAULT_CURRENCY}ZAR` &&
+          yahooFinanceSymbols.includes(`${DEFAULT_CURRENCY}ZAc=X`)
         ) {
           // Convert ZAR to ZAc (cents)
-          response[`${this.baseCurrency}ZAc`] = {
+          response[`${DEFAULT_CURRENCY}ZAc`] = {
             ...response[symbol],
             currency: 'ZAc',
             marketPrice: this.getConvertedValue({
-              symbol: `${this.baseCurrency}ZAc`,
+              symbol: `${DEFAULT_CURRENCY}ZAc`,
               value: response[symbol].marketPrice
             })
           };
         }
       }
 
-      if (yahooFinanceSymbols.includes(`${this.baseCurrency}USX=X`)) {
+      if (yahooFinanceSymbols.includes(`${DEFAULT_CURRENCY}USX=X`)) {
         // Convert USD to USX (cent)
-        response[`${this.baseCurrency}USX`] = {
+        response[`${DEFAULT_CURRENCY}USX`] = {
           currency: 'USX',
           dataSource: this.getName(),
           marketPrice: new Big(1).mul(100).toNumber(),
@@ -303,8 +298,8 @@ export class YahooFinanceService implements DataProviderInterface {
             (quoteType === 'CRYPTOCURRENCY' &&
               this.cryptocurrencyService.isCryptocurrency(
                 symbol.replace(
-                  new RegExp(`-${this.baseCurrency}$`),
-                  this.baseCurrency
+                  new RegExp(`-${DEFAULT_CURRENCY}$`),
+                  DEFAULT_CURRENCY
                 )
               )) ||
             quoteTypes.includes(quoteType)
@@ -314,7 +309,7 @@ export class YahooFinanceService implements DataProviderInterface {
           if (quoteType === 'CRYPTOCURRENCY') {
             // Only allow cryptocurrencies in base currency to avoid having redundancy in the database.
             // Transactions need to be converted manually to the base currency before
-            return symbol.includes(this.baseCurrency);
+            return symbol.includes(DEFAULT_CURRENCY);
           } else if (quoteType === 'FUTURE') {
             // Allow GC=F, but not MGC=F
             return symbol.length === 4;
@@ -373,13 +368,13 @@ export class YahooFinanceService implements DataProviderInterface {
     symbol: string;
     value: number;
   }) {
-    if (symbol === `${this.baseCurrency}GBp`) {
+    if (symbol === `${DEFAULT_CURRENCY}GBp`) {
       // Convert GPB to GBp (pence)
       return new Big(value).mul(100).toNumber();
-    } else if (symbol === `${this.baseCurrency}ILA`) {
+    } else if (symbol === `${DEFAULT_CURRENCY}ILA`) {
       // Convert ILS to ILA
       return new Big(value).mul(100).toNumber();
-    } else if (symbol === `${this.baseCurrency}ZAc`) {
+    } else if (symbol === `${DEFAULT_CURRENCY}ZAc`) {
       // Convert ZAR to ZAc (cents)
       return new Big(value).mul(100).toNumber();
     }
diff --git a/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts b/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts
index 24b0ed5d0..376aa1a6a 100644
--- a/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts
+++ b/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts
@@ -1,10 +1,12 @@
-import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
 import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { MarketDataService } from '@ghostfolio/api/services/market-data/market-data.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
-import { PROPERTY_CURRENCIES } from '@ghostfolio/common/config';
+import {
+  DEFAULT_CURRENCY,
+  PROPERTY_CURRENCIES
+} from '@ghostfolio/common/config';
 import { DATE_FORMAT, getYesterday } from '@ghostfolio/common/helper';
 import { Injectable, Logger } from '@nestjs/common';
 import { format, isToday } from 'date-fns';
@@ -12,13 +14,11 @@ import { isNumber, uniq } from 'lodash';
 
 @Injectable()
 export class ExchangeRateDataService {
-  private baseCurrency: string;
   private currencies: string[] = [];
   private currencyPairs: IDataGatheringItem[] = [];
   private exchangeRates: { [currencyPair: string]: number } = {};
 
   public constructor(
-    private readonly configurationService: ConfigurationService,
     private readonly dataProviderService: DataProviderService,
     private readonly marketDataService: MarketDataService,
     private readonly prismaService: PrismaService,
@@ -26,7 +26,7 @@ export class ExchangeRateDataService {
   ) {}
 
   public getCurrencies() {
-    return this.currencies?.length > 0 ? this.currencies : [this.baseCurrency];
+    return this.currencies?.length > 0 ? this.currencies : [DEFAULT_CURRENCY];
   }
 
   public getCurrencyPairs() {
@@ -43,7 +43,6 @@ export class ExchangeRateDataService {
   }
 
   public async initialize() {
-    this.baseCurrency = this.configurationService.get('BASE_CURRENCY');
     this.currencies = await this.prepareCurrencies();
     this.currencyPairs = [];
     this.exchangeRates = {};
@@ -113,9 +112,9 @@ export class ExchangeRateDataService {
       if (!this.exchangeRates[symbol]) {
         // Not found, calculate indirectly via base currency
         this.exchangeRates[symbol] =
-          resultExtended[`${currency1}${this.baseCurrency}`]?.[date]
+          resultExtended[`${currency1}${DEFAULT_CURRENCY}`]?.[date]
             ?.marketPrice *
-          resultExtended[`${this.baseCurrency}${currency2}`]?.[date]
+          resultExtended[`${DEFAULT_CURRENCY}${currency2}`]?.[date]
             ?.marketPrice;
 
         // Calculate the opposite direction
@@ -144,9 +143,8 @@ export class ExchangeRateDataService {
       } else {
         // Calculate indirectly via base currency
         const factor1 =
-          this.exchangeRates[`${aFromCurrency}${this.baseCurrency}`];
-        const factor2 =
-          this.exchangeRates[`${this.baseCurrency}${aToCurrency}`];
+          this.exchangeRates[`${aFromCurrency}${DEFAULT_CURRENCY}`];
+        const factor2 = this.exchangeRates[`${DEFAULT_CURRENCY}${aToCurrency}`];
 
         factor = factor1 * factor2;
 
@@ -204,28 +202,28 @@ export class ExchangeRateDataService {
         let marketPriceBaseCurrencyToCurrency: number;
 
         try {
-          if (this.baseCurrency === aFromCurrency) {
+          if (aFromCurrency === DEFAULT_CURRENCY) {
             marketPriceBaseCurrencyFromCurrency = 1;
           } else {
             marketPriceBaseCurrencyFromCurrency = (
               await this.marketDataService.get({
                 dataSource,
                 date: aDate,
-                symbol: `${this.baseCurrency}${aFromCurrency}`
+                symbol: `${DEFAULT_CURRENCY}${aFromCurrency}`
               })
             )?.marketPrice;
           }
         } catch {}
 
         try {
-          if (this.baseCurrency === aToCurrency) {
+          if (aToCurrency === DEFAULT_CURRENCY) {
             marketPriceBaseCurrencyToCurrency = 1;
           } else {
             marketPriceBaseCurrencyToCurrency = (
               await this.marketDataService.get({
                 dataSource,
                 date: aDate,
-                symbol: `${this.baseCurrency}${aToCurrency}`
+                symbol: `${DEFAULT_CURRENCY}${aToCurrency}`
               })
             )?.marketPrice;
           }
@@ -295,14 +293,14 @@ export class ExchangeRateDataService {
   private prepareCurrencyPairs(aCurrencies: string[]) {
     return aCurrencies
       .filter((currency) => {
-        return currency !== this.baseCurrency;
+        return currency !== DEFAULT_CURRENCY;
       })
       .map((currency) => {
         return {
-          currency1: this.baseCurrency,
+          currency1: DEFAULT_CURRENCY,
           currency2: currency,
           dataSource: this.dataProviderService.getDataSourceForExchangeRates(),
-          symbol: `${this.baseCurrency}${currency}`
+          symbol: `${DEFAULT_CURRENCY}${currency}`
         };
       });
   }
diff --git a/apps/api/src/services/interfaces/environment.interface.ts b/apps/api/src/services/interfaces/environment.interface.ts
index 88fa4c3f5..b437668ab 100644
--- a/apps/api/src/services/interfaces/environment.interface.ts
+++ b/apps/api/src/services/interfaces/environment.interface.ts
@@ -3,7 +3,6 @@ import { CleanedEnvAccessors } from 'envalid';
 export interface Environment extends CleanedEnvAccessors {
   ACCESS_TOKEN_SALT: string;
   ALPHA_VANTAGE_API_KEY: string;
-  BASE_CURRENCY: string;
   BETTER_UPTIME_API_KEY: string;
   CACHE_QUOTES_TTL: number;
   CACHE_TTL: number;