Feature/support unlimited currencies (#387)

* Support unlimited currencies

* Update changelog

CHANGELOG.md

@@ -15,12 +15,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Changed the navigation to always show the portfolio page
+- Migrated the data type of currencies from `enum` to `string` in the database
+- Supported unlimited currencies (instead of `CHF`, `EUR`, `GBP` and `USD`)
 
 ### Fixed
 
 - Hid the actions from the accounts table in the _Presenter View_
 - Hid the actions from the transactions table in the _Presenter View_
 
+### Todo
+
+- Apply data migration (`yarn prisma migrate deploy`)
+
 ## 1.55.0 - 20.09.2021
 
 ### Changed

apps/api/src/app/account/account.service.ts

@@ -1,7 +1,7 @@
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
 import { Injectable } from '@nestjs/common';
-import { Account, Currency, Order, Platform, Prisma } from '@prisma/client';
+import { Account, Order, Platform, Prisma } from '@prisma/client';
 
 import { CashDetails } from './interfaces/cash-details.interface';
 
@@ -95,7 +95,7 @@ export class AccountService {
 
   public async getCashDetails(
     aUserId: string,
-    aCurrency: Currency
+    aCurrency: string
   ): Promise<CashDetails> {
     let totalCashBalance = 0;
 

apps/api/src/app/account/create-account.dto.ts

@@ -1,4 +1,4 @@
-import { AccountType, Currency } from '@prisma/client';
+import { AccountType } from '@prisma/client';
 import { IsNumber, IsString, ValidateIf } from 'class-validator';
 
 export class CreateAccountDto {
@@ -9,7 +9,7 @@ export class CreateAccountDto {
   balance: number;
 
   @IsString()
-  currency: Currency;
+  currency: string;
 
   @IsString()
   name: string;

apps/api/src/app/account/update-account.dto.ts

@@ -1,4 +1,4 @@
-import { AccountType, Currency } from '@prisma/client';
+import { AccountType } from '@prisma/client';
 import { IsNumber, IsString, ValidateIf } from 'class-validator';
 
 export class UpdateAccountDto {
@@ -9,7 +9,7 @@ export class UpdateAccountDto {
   balance: number;
 
   @IsString()
-  currency: Currency;
+  currency: string;
 
   @IsString()
   id: string;

apps/api/src/app/admin/admin.service.ts

@@ -3,9 +3,9 @@ import { ConfigurationService } from '@ghostfolio/api/services/configuration.ser
 import { DataGatheringService } from '@ghostfolio/api/services/data-gathering.service';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
+import { baseCurrency } from '@ghostfolio/common/config';
 import { AdminData } from '@ghostfolio/common/interfaces';
 import { Injectable } from '@nestjs/common';
-import { Currency } from '@prisma/client';
 import { differenceInDays } from 'date-fns';
 
 @Injectable()
@@ -20,53 +20,22 @@ export class AdminService {
 
   public async get(): Promise<AdminData> {
     return {
-      exchangeRates: [
-        {
-          label1: Currency.EUR,
-          label2: Currency.CHF,
-          value: await this.exchangeRateDataService.toCurrency(
-            1,
-            Currency.EUR,
-            Currency.CHF
-          )
-        },
-        {
-          label1: Currency.GBP,
-          label2: Currency.CHF,
-          value: await this.exchangeRateDataService.toCurrency(
-            1,
-            Currency.GBP,
-            Currency.CHF
-          )
-        },
-        {
-          label1: Currency.USD,
-          label2: Currency.CHF,
-          value: await this.exchangeRateDataService.toCurrency(
-            1,
-            Currency.USD,
-            Currency.CHF
-          )
-        },
-        {
-          label1: Currency.USD,
-          label2: Currency.EUR,
-          value: await this.exchangeRateDataService.toCurrency(
-            1,
-            Currency.USD,
-            Currency.EUR
-          )
-        },
-        {
-          label1: Currency.USD,
-          label2: Currency.GBP,
-          value: await this.exchangeRateDataService.toCurrency(
-            1,
-            Currency.USD,
-            Currency.GBP
-          )
-        }
-      ],
+      exchangeRates: this.exchangeRateDataService
+        .getCurrencies()
+        .filter((currency) => {
+          return currency !== baseCurrency;
+        })
+        .map((currency) => {
+          return {
+            label1: baseCurrency,
+            label2: currency,
+            value: this.exchangeRateDataService.toCurrency(
+              1,
+              baseCurrency,
+              currency
+            )
+          };
+        }),
       lastDataGathering: await this.getLastDataGathering(),
       transactionCount: await this.prismaService.order.count(),
       userCount: await this.prismaService.user.count(),

apps/api/src/app/cache/cache.module.ts

@@ -7,13 +7,14 @@ import { DataProviderService } from '@ghostfolio/api/services/data-provider/data
 import { GhostfolioScraperApiService } from '@ghostfolio/api/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service';
 import { RakutenRapidApiService } from '@ghostfolio/api/services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service';
 import { YahooFinanceService } from '@ghostfolio/api/services/data-provider/yahoo-finance/yahoo-finance.service';
+import { ExchangeRateDataModule } from '@ghostfolio/api/services/exchange-rate-data.module';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
 import { Module } from '@nestjs/common';
 
 import { CacheController } from './cache.controller';
 
 @Module({
-  imports: [RedisCacheModule],
+  imports: [ExchangeRateDataModule, RedisCacheModule],
   controllers: [CacheController],
   providers: [
     AlphaVantageService,

apps/api/src/app/experimental/create-order.dto.ts

@@ -1,9 +1,9 @@
-import { Currency, Type } from '@prisma/client';
-import { IsISO8601, IsNumber, IsString, ValidateIf } from 'class-validator';
+import { Type } from '@prisma/client';
+import { IsISO8601, IsNumber, IsString } from 'class-validator';
 
 export class CreateOrderDto {
   @IsString()
-  currency: Currency;
+  currency: string;
 
   @IsISO8601()
   date: string;

apps/api/src/app/experimental/interfaces/data.interface.ts

@@ -1,6 +1,4 @@
-import { Currency } from '@prisma/client';
-
 export interface Data {
-  currency: Currency;
+  currency: string;
   value: number;
 }

apps/api/src/app/export/export.module.ts

@@ -1,4 +1,3 @@
-import { CacheService } from '@ghostfolio/api/app/cache/cache.service';
 import { RedisCacheModule } from '@ghostfolio/api/app/redis-cache/redis-cache.module';
 import { ConfigurationModule } from '@ghostfolio/api/services/configuration.module';
 import { DataGatheringModule } from '@ghostfolio/api/services/data-gathering.module';
@@ -18,6 +17,6 @@ import { ExportService } from './export.service';
     RedisCacheModule
   ],
   controllers: [ExportController],
-  providers: [CacheService, ExportService]
+  providers: [ExportService]
 })
 export class ExportModule {}

apps/api/src/app/info/info.module.ts

@@ -5,6 +5,7 @@ import { DataProviderService } from '@ghostfolio/api/services/data-provider/data
 import { GhostfolioScraperApiService } from '@ghostfolio/api/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service';
 import { RakutenRapidApiService } from '@ghostfolio/api/services/data-provider/rakuten-rapid-api/rakuten-rapid-api.service';
 import { YahooFinanceService } from '@ghostfolio/api/services/data-provider/yahoo-finance/yahoo-finance.service';
+import { ExchangeRateDataModule } from '@ghostfolio/api/services/exchange-rate-data.module';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
 import { Module } from '@nestjs/common';
 import { JwtModule } from '@nestjs/jwt';
@@ -14,6 +15,7 @@ import { InfoService } from './info.service';
 
 @Module({
   imports: [
+    ExchangeRateDataModule,
     JwtModule.register({
       secret: process.env.JWT_SECRET_KEY,
       signOptions: { expiresIn: '30 days' }

apps/api/src/app/info/info.service.ts

@@ -1,12 +1,12 @@
 import { ConfigurationService } from '@ghostfolio/api/services/configuration.service';
 import { DataGatheringService } from '@ghostfolio/api/services/data-gathering.service';
+import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
 import { InfoItem } from '@ghostfolio/common/interfaces';
 import { Subscription } from '@ghostfolio/common/interfaces/subscription.interface';
 import { permissions } from '@ghostfolio/common/permissions';
 import { Injectable } from '@nestjs/common';
 import { JwtService } from '@nestjs/jwt';
-import { Currency } from '@prisma/client';
 import * as bent from 'bent';
 import { subDays } from 'date-fns';
 
@@ -16,6 +16,7 @@ export class InfoService {
 
   public constructor(
     private readonly configurationService: ConfigurationService,
+    private readonly exchangeRateDataService: ExchangeRateDataService,
     private readonly dataGatheringService: DataGatheringService,
     private readonly jwtService: JwtService,
     private readonly prismaService: PrismaService
@@ -56,7 +57,7 @@ export class InfoService {
       ...info,
       globalPermissions,
       platforms,
-      currencies: Object.values(Currency),
+      currencies: this.exchangeRateDataService.getCurrencies(),
       demoAuthToken: this.getDemoAuthToken(),
       lastDataGathering: await this.getLastDataGathering(),
       statistics: await this.getStatistics(),

apps/api/src/app/order/create-order.dto.ts

@@ -1,4 +1,4 @@
-import { Currency, DataSource, Type } from '@prisma/client';
+import { DataSource, Type } from '@prisma/client';
 import { IsISO8601, IsNumber, IsString } from 'class-validator';
 
 export class CreateOrderDto {
@@ -6,7 +6,7 @@ export class CreateOrderDto {
   accountId: string;
 
   @IsString()
-  currency: Currency;
+  currency: string;
 
   @IsString()
   dataSource: DataSource;

apps/api/src/app/order/update-order.dto.ts

@@ -1,12 +1,12 @@
-import { Currency, DataSource, Type } from '@prisma/client';
-import { IsISO8601, IsNumber, IsString, ValidateIf } from 'class-validator';
+import { DataSource, Type } from '@prisma/client';
+import { IsISO8601, IsNumber, IsString } from 'class-validator';
 
 export class UpdateOrderDto {
   @IsString()
   accountId: string;
 
   @IsString()
-  currency: Currency;
+  currency: string;
 
   @IsString()
   dataSource: DataSource;

apps/api/src/app/portfolio/current-rate.service.spec.ts

@@ -1,6 +1,6 @@
 import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data.service';
-import { Currency, DataSource, MarketData } from '@prisma/client';
+import { DataSource, MarketData } from '@prisma/client';
 
 import { CurrentRateService } from './current-rate.service';
 import { MarketDataService } from './market-data.service';
@@ -80,7 +80,7 @@ describe('CurrentRateService', () => {
       null,
       null
     );
-    exchangeRateDataService = new ExchangeRateDataService(null);
+    exchangeRateDataService = new ExchangeRateDataService(null, null);
     marketDataService = new MarketDataService(null);
 
     await exchangeRateDataService.initialize();
@@ -95,10 +95,10 @@ describe('CurrentRateService', () => {
   it('getValue', async () => {
     expect(
       await currentRateService.getValue({
-        currency: Currency.USD,
+        currency: 'USD',
         date: new Date(Date.UTC(2020, 0, 1, 0, 0, 0)),
         symbol: 'AMZN',
-        userCurrency: Currency.CHF
+        userCurrency: 'CHF'
       })
     ).toMatchObject({
       marketPrice: 1847.839966
@@ -108,13 +108,13 @@ describe('CurrentRateService', () => {
   it('getValues', async () => {
     expect(
       await currentRateService.getValues({
-        currencies: { AMZN: Currency.USD },
+        currencies: { AMZN: 'USD' },
         dataGatheringItems: [{ dataSource: DataSource.YAHOO, symbol: 'AMZN' }],
         dateQuery: {
           lt: new Date(Date.UTC(2020, 0, 2, 0, 0, 0)),
           gte: new Date(Date.UTC(2020, 0, 1, 0, 0, 0))
         },
-        userCurrency: Currency.CHF
+        userCurrency: 'CHF'
       })
     ).toMatchObject([
       {

apps/api/src/app/portfolio/interfaces/get-value-params.interface.ts

@@ -1,8 +1,6 @@
-import { Currency } from '@prisma/client';
-
 export interface GetValueParams {
-  currency: Currency;
+  currency: string;
   date: Date;
   symbol: string;
-  userCurrency: Currency;
+  userCurrency: string;
 }

apps/api/src/app/portfolio/interfaces/get-values-params.interface.ts

@@ -1,11 +1,10 @@
 import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
-import { Currency } from '@prisma/client';
 
 import { DateQuery } from './date-query.interface';
 
 export interface GetValuesParams {
-  currencies: { [symbol: string]: Currency };
+  currencies: { [symbol: string]: string };
   dataGatheringItems: IDataGatheringItem[];
   dateQuery: DateQuery;
-  userCurrency: Currency;
+  userCurrency: string;
 }

apps/api/src/app/portfolio/interfaces/portfolio-order.interface.ts

@@ -1,9 +1,9 @@
 import { OrderType } from '@ghostfolio/api/models/order-type';
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 import Big from 'big.js';
 
 export interface PortfolioOrder {
-  currency: Currency;
+  currency: string;
   date: string;
   dataSource: DataSource;
   fee: Big;

apps/api/src/app/portfolio/interfaces/portfolio-position-detail.interface.ts

@@ -1,8 +1,6 @@
-import { Currency } from '@prisma/client';
-
 export interface PortfolioPositionDetail {
   averagePrice: number;
-  currency: Currency;
+  currency: string;
   firstBuyDate: string;
   grossPerformance: number;
   grossPerformancePercent: number;

apps/api/src/app/portfolio/interfaces/transaction-point-symbol.interface.ts

@@ -1,8 +1,8 @@
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 import Big from 'big.js';
 
 export interface TransactionPointSymbol {
-  currency: Currency;
+  currency: string;
   dataSource: DataSource;
   fee: Big;
   firstBuyDate: string;

apps/api/src/app/portfolio/portfolio-calculator.spec.ts

@@ -1,7 +1,6 @@
-import { PortfolioService } from '@ghostfolio/api/app/portfolio/portfolio.service';
 import { OrderType } from '@ghostfolio/api/models/order-type';
 import { parseDate, resetHours } from '@ghostfolio/common/helper';
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 import Big from 'big.js';
 import {
   addDays,
@@ -134,7 +133,7 @@ describe('PortfolioCalculator', () => {
     it('with orders of only one symbol', () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.computeTransactionPoints(ordersVTI);
       const portfolioItemsAtTransactionPoints =
@@ -148,7 +147,7 @@ describe('PortfolioCalculator', () => {
     it('with orders of only one symbol and a fee', () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       const orders: PortfolioOrder[] = [
         {
@@ -158,7 +157,7 @@ describe('PortfolioCalculator', () => {
           symbol: 'VTI',
           type: OrderType.Buy,
           unitPrice: new Big('144.38'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big('5')
         },
@@ -169,7 +168,7 @@ describe('PortfolioCalculator', () => {
           symbol: 'VTI',
           type: OrderType.Buy,
           unitPrice: new Big('147.99'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big('10')
         },
@@ -180,7 +179,7 @@ describe('PortfolioCalculator', () => {
           symbol: 'VTI',
           type: OrderType.Sell,
           unitPrice: new Big('151.41'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big('5')
         }
@@ -198,7 +197,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               transactionCount: 1,
               fee: new Big('5')
@@ -213,7 +212,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('20'),
               symbol: 'VTI',
               investment: new Big('2923.7'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               transactionCount: 2,
               fee: new Big('15')
@@ -228,7 +227,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'VTI',
               investment: new Big('652.55'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               transactionCount: 3,
               fee: new Big('20')
@@ -241,7 +240,7 @@ describe('PortfolioCalculator', () => {
     it('with orders of two different symbols and a fee', () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       const orders: PortfolioOrder[] = [
         {
@@ -251,7 +250,7 @@ describe('PortfolioCalculator', () => {
           symbol: 'VTI',
           type: OrderType.Buy,
           unitPrice: new Big('144.38'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big('5')
         },
@@ -262,7 +261,7 @@ describe('PortfolioCalculator', () => {
           symbol: 'VTX',
           type: OrderType.Buy,
           unitPrice: new Big('147.99'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big('10')
         },
@@ -273,7 +272,7 @@ describe('PortfolioCalculator', () => {
           symbol: 'VTI',
           type: OrderType.Sell,
           unitPrice: new Big('151.41'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big('5')
         }
@@ -291,7 +290,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               transactionCount: 1,
               fee: new Big('5')
@@ -306,7 +305,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               transactionCount: 1,
               fee: new Big('5')
@@ -316,7 +315,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTX',
               investment: new Big('1479.9'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-08-03',
               transactionCount: 1,
               fee: new Big('10')
@@ -331,7 +330,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'VTI',
               investment: new Big('686.75'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               transactionCount: 2,
               fee: new Big('10')
@@ -341,7 +340,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTX',
               investment: new Big('1479.9'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-08-03',
               transactionCount: 1,
               fee: new Big('10')
@@ -355,7 +354,7 @@ describe('PortfolioCalculator', () => {
       const orders: PortfolioOrder[] = [
         ...ordersVTI,
         {
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           date: '2021-02-01',
           name: 'Vanguard Total Stock Market Index Fund ETF Shares',
@@ -368,7 +367,7 @@ describe('PortfolioCalculator', () => {
       ];
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.computeTransactionPoints(orders);
       const portfolioItemsAtTransactionPoints =
@@ -379,7 +378,7 @@ describe('PortfolioCalculator', () => {
           date: '2019-02-01',
           items: [
             {
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               investment: new Big('1443.8'),
@@ -394,7 +393,7 @@ describe('PortfolioCalculator', () => {
           date: '2019-08-03',
           items: [
             {
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               investment: new Big('2923.7'),
@@ -409,7 +408,7 @@ describe('PortfolioCalculator', () => {
           date: '2020-02-02',
           items: [
             {
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               investment: new Big('652.55'),
@@ -424,7 +423,7 @@ describe('PortfolioCalculator', () => {
           date: '2021-02-01',
           items: [
             {
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               investment: new Big('6627.05'),
@@ -439,7 +438,7 @@ describe('PortfolioCalculator', () => {
           date: '2021-08-01',
           items: [
             {
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               investment: new Big('8403.95'),
@@ -457,7 +456,7 @@ describe('PortfolioCalculator', () => {
       const orders: PortfolioOrder[] = [
         ...ordersVTI,
         {
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           date: '2019-09-01',
           name: 'Amazon.com, Inc.',
@@ -470,7 +469,7 @@ describe('PortfolioCalculator', () => {
       ];
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.computeTransactionPoints(orders);
       const portfolioItemsAtTransactionPoints =
@@ -485,7 +484,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
               transactionCount: 1
@@ -500,7 +499,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('20'),
               symbol: 'VTI',
               investment: new Big('2923.7'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
               transactionCount: 2
@@ -515,7 +514,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'AMZN',
               investment: new Big('10109.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-09-01',
               fee: new Big(0),
               transactionCount: 1
@@ -525,7 +524,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('20'),
               symbol: 'VTI',
               investment: new Big('2923.7'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
               transactionCount: 2
@@ -540,7 +539,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'AMZN',
               investment: new Big('10109.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-09-01',
               fee: new Big(0),
               transactionCount: 1
@@ -550,7 +549,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'VTI',
               investment: new Big('652.55'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
               transactionCount: 3
@@ -565,7 +564,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'AMZN',
               investment: new Big('10109.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-09-01',
               fee: new Big(0),
               transactionCount: 1
@@ -575,7 +574,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('15'),
               symbol: 'VTI',
               investment: new Big('2684.05'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
               transactionCount: 4
@@ -590,7 +589,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'AMZN',
               investment: new Big('10109.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-09-01',
               fee: new Big(0),
               transactionCount: 1
@@ -600,7 +599,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('25'),
               symbol: 'VTI',
               investment: new Big('4460.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
               transactionCount: 5
@@ -620,7 +619,7 @@ describe('PortfolioCalculator', () => {
           symbol: 'AMZN',
           type: OrderType.Buy,
           unitPrice: new Big('2021.99'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big(0)
         },
@@ -631,14 +630,14 @@ describe('PortfolioCalculator', () => {
           symbol: 'AMZN',
           type: OrderType.Sell,
           unitPrice: new Big('2412.23'),
-          currency: Currency.USD,
+          currency: 'USD',
           dataSource: DataSource.YAHOO,
           fee: new Big(0)
         }
       ];
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.computeTransactionPoints(orders);
       const portfolioItemsAtTransactionPoints =
@@ -652,7 +651,7 @@ describe('PortfolioCalculator', () => {
     it('with mixed symbols', () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.computeTransactionPoints(ordersMixedSymbols);
       const portfolioItemsAtTransactionPoints =
@@ -667,7 +666,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('50'),
               symbol: 'TSLA',
               investment: new Big('2148.5'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2017-01-03',
               fee: new Big(0),
               transactionCount: 1
@@ -682,7 +681,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('0.5614682'),
               symbol: 'BTCUSD',
               investment: new Big('1999.9999999999998659756'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2017-07-01',
               fee: new Big(0),
               transactionCount: 1
@@ -692,7 +691,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('50'),
               symbol: 'TSLA',
               investment: new Big('2148.5'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2017-01-03',
               fee: new Big(0),
               transactionCount: 1
@@ -707,7 +706,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'AMZN',
               investment: new Big('10109.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2018-09-01',
               fee: new Big(0),
               transactionCount: 1
@@ -717,7 +716,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('0.5614682'),
               symbol: 'BTCUSD',
               investment: new Big('1999.9999999999998659756'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2017-07-01',
               fee: new Big(0),
               transactionCount: 1
@@ -727,7 +726,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('50'),
               symbol: 'TSLA',
               investment: new Big('2148.5'),
-              currency: Currency.USD,
+              currency: 'USD',
               firstBuyDate: '2017-01-03',
               fee: new Big(0),
               transactionCount: 1
@@ -742,7 +741,7 @@ describe('PortfolioCalculator', () => {
     it('with single TSLA and early start', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(orderTslaTransactionPoint);
 
@@ -782,7 +781,7 @@ describe('PortfolioCalculator', () => {
     it('with single TSLA and buy day start', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(orderTslaTransactionPoint);
 
@@ -822,7 +821,7 @@ describe('PortfolioCalculator', () => {
     it('with single TSLA and late start', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(orderTslaTransactionPoint);
 
@@ -862,7 +861,7 @@ describe('PortfolioCalculator', () => {
     it('with VTI only', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(ordersVTITransactionPoints);
 
@@ -905,7 +904,7 @@ describe('PortfolioCalculator', () => {
     it('with buy and sell', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(transactionPointsBuyAndSell);
 
@@ -959,7 +958,7 @@ describe('PortfolioCalculator', () => {
     it('with buy, sell, buy', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints([
         {
@@ -969,7 +968,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'VTI',
               investment: new Big('805.9'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-09-01',
               fee: new Big(0),
@@ -984,7 +983,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('0'),
               symbol: 'VTI',
               investment: new Big('0'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-09-01',
               fee: new Big(0),
@@ -999,7 +998,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'VTI',
               investment: new Big('1013.9'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-09-01',
               fee: new Big(0),
@@ -1047,7 +1046,7 @@ describe('PortfolioCalculator', () => {
     it('with performance since Jan 1st, 2020', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       const transactionPoints: TransactionPoint[] = [
         {
@@ -1057,7 +1056,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
@@ -1072,7 +1071,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('20'),
               symbol: 'VTI',
               investment: new Big('2923.7'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
@@ -1130,7 +1129,7 @@ describe('PortfolioCalculator', () => {
     it('with net performance since Jan 1st, 2020 - include fees', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       const transactionPoints: TransactionPoint[] = [
         {
@@ -1140,7 +1139,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(50),
@@ -1155,7 +1154,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('20'),
               symbol: 'VTI',
               investment: new Big('2923.7'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(100),
@@ -1223,7 +1222,7 @@ describe('PortfolioCalculator', () => {
     it('with net performance since Feb 1st, 2019 - include fees', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       const transactionPoints: TransactionPoint[] = [
         {
@@ -1233,7 +1232,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(50),
@@ -1248,7 +1247,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('20'),
               symbol: 'VTI',
               investment: new Big('2923.7'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(100),
@@ -1311,7 +1310,7 @@ describe('PortfolioCalculator', () => {
     it('with TWR example from Investopedia: Scenario 1', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints([
         {
@@ -1321,7 +1320,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('1000000'), // 1 million
               symbol: 'MFA', // Mutual Fund A
               investment: new Big('1000000'), // 1 million
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2010-12-31',
               fee: new Big(0),
@@ -1336,7 +1335,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('1086022.689344541'), // 1,000,000 + 100,000 / 1.162484
               symbol: 'MFA', // Mutual Fund A
               investment: new Big('1100000'), // 1,000,000 + 100,000
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2010-12-31',
               fee: new Big(0),
@@ -1388,7 +1387,7 @@ describe('PortfolioCalculator', () => {
     it('with example from chsoft.ch: Performance of a Combination of Investments', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.CHF
+        'CHF'
       );
       portfolioCalculator.setTransactionPoints([
         {
@@ -1398,7 +1397,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('200'),
               symbol: 'SPA', // Sub Portfolio A
               investment: new Big('200'),
-              currency: Currency.CHF,
+              currency: 'CHF',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2012-12-31',
               fee: new Big(0),
@@ -1408,7 +1407,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('300'),
               symbol: 'SPB', // Sub Portfolio B
               investment: new Big('300'),
-              currency: Currency.CHF,
+              currency: 'CHF',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2012-12-31',
               fee: new Big(0),
@@ -1423,7 +1422,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('200'),
               symbol: 'SPA', // Sub Portfolio A
               investment: new Big('200'),
-              currency: Currency.CHF,
+              currency: 'CHF',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2012-12-31',
               fee: new Big(0),
@@ -1433,7 +1432,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('300'),
               symbol: 'SPB', // Sub Portfolio B
               investment: new Big('300'),
-              currency: Currency.CHF,
+              currency: 'CHF',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2012-12-31',
               fee: new Big(0),
@@ -1494,7 +1493,7 @@ describe('PortfolioCalculator', () => {
     it('with yearly', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(ordersVTITransactionPoints);
       const timelineSpecification: TimelineSpecification[] = [
@@ -1537,7 +1536,7 @@ describe('PortfolioCalculator', () => {
     it('with yearly and fees', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       const transactionPoints: TransactionPoint[] = [
         {
@@ -1547,7 +1546,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(50),
@@ -1562,7 +1561,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('20'),
               symbol: 'VTI',
               investment: new Big('2923.7'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(100),
@@ -1577,7 +1576,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'VTI',
               investment: new Big('652.55'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(150),
@@ -1592,7 +1591,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('15'),
               symbol: 'VTI',
               investment: new Big('2684.05'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(200),
@@ -1607,7 +1606,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('25'),
               symbol: 'VTI',
               investment: new Big('4460.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(250),
@@ -1657,7 +1656,7 @@ describe('PortfolioCalculator', () => {
     it('with monthly', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(ordersVTITransactionPoints);
       const timelineSpecification: TimelineSpecification[] = [
@@ -1889,7 +1888,7 @@ describe('PortfolioCalculator', () => {
     it('with yearly and monthly mixed', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(ordersVTITransactionPoints);
       const timelineSpecification: TimelineSpecification[] = [
@@ -1971,7 +1970,7 @@ describe('PortfolioCalculator', () => {
     it('with all mixed', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints(ordersVTITransactionPoints);
       const timelineSpecification: TimelineSpecification[] = [
@@ -2262,7 +2261,7 @@ describe('PortfolioCalculator', () => {
     it('with mixed portfolio', async () => {
       const portfolioCalculator = new PortfolioCalculator(
         currentRateService,
-        Currency.USD
+        'USD'
       );
       portfolioCalculator.setTransactionPoints([
         {
@@ -2272,7 +2271,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('5'),
               symbol: 'AMZN',
               investment: new Big('10109.95'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
@@ -2282,7 +2281,7 @@ describe('PortfolioCalculator', () => {
               quantity: new Big('10'),
               symbol: 'VTI',
               investment: new Big('1443.8'),
-              currency: Currency.USD,
+              currency: 'USD',
               dataSource: DataSource.YAHOO,
               firstBuyDate: '2019-02-01',
               fee: new Big(0),
@@ -2325,7 +2324,7 @@ describe('PortfolioCalculator', () => {
   describe('annualized performance percentage', () => {
     const portfolioCalculator = new PortfolioCalculator(
       currentRateService,
-      Currency.USD
+      'USD'
     );
 
     it('Get annualized performance', async () => {
@@ -2391,7 +2390,7 @@ const ordersMixedSymbols: PortfolioOrder[] = [
     symbol: 'TSLA',
     type: OrderType.Buy,
     unitPrice: new Big('42.97'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   },
@@ -2402,7 +2401,7 @@ const ordersMixedSymbols: PortfolioOrder[] = [
     symbol: 'BTCUSD',
     type: OrderType.Buy,
     unitPrice: new Big('3562.089535970158'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   },
@@ -2413,7 +2412,7 @@ const ordersMixedSymbols: PortfolioOrder[] = [
     symbol: 'AMZN',
     type: OrderType.Buy,
     unitPrice: new Big('2021.99'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   }
@@ -2427,7 +2426,7 @@ const ordersVTI: PortfolioOrder[] = [
     symbol: 'VTI',
     type: OrderType.Buy,
     unitPrice: new Big('144.38'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   },
@@ -2438,7 +2437,7 @@ const ordersVTI: PortfolioOrder[] = [
     symbol: 'VTI',
     type: OrderType.Buy,
     unitPrice: new Big('147.99'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   },
@@ -2449,7 +2448,7 @@ const ordersVTI: PortfolioOrder[] = [
     symbol: 'VTI',
     type: OrderType.Sell,
     unitPrice: new Big('151.41'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   },
@@ -2460,7 +2459,7 @@ const ordersVTI: PortfolioOrder[] = [
     symbol: 'VTI',
     type: OrderType.Buy,
     unitPrice: new Big('177.69'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   },
@@ -2471,7 +2470,7 @@ const ordersVTI: PortfolioOrder[] = [
     symbol: 'VTI',
     type: OrderType.Buy,
     unitPrice: new Big('203.15'),
-    currency: Currency.USD,
+    currency: 'USD',
     dataSource: DataSource.YAHOO,
     fee: new Big(0)
   }
@@ -2485,7 +2484,7 @@ const orderTslaTransactionPoint: TransactionPoint[] = [
         quantity: new Big('1'),
         symbol: 'TSLA',
         investment: new Big('719.46'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2021-01-01',
         fee: new Big(0),
@@ -2503,7 +2502,7 @@ const ordersVTITransactionPoints: TransactionPoint[] = [
         quantity: new Big('10'),
         symbol: 'VTI',
         investment: new Big('1443.8'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2518,7 +2517,7 @@ const ordersVTITransactionPoints: TransactionPoint[] = [
         quantity: new Big('20'),
         symbol: 'VTI',
         investment: new Big('2923.7'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2533,7 +2532,7 @@ const ordersVTITransactionPoints: TransactionPoint[] = [
         quantity: new Big('5'),
         symbol: 'VTI',
         investment: new Big('652.55'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2548,7 +2547,7 @@ const ordersVTITransactionPoints: TransactionPoint[] = [
         quantity: new Big('15'),
         symbol: 'VTI',
         investment: new Big('2684.05'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2563,7 +2562,7 @@ const ordersVTITransactionPoints: TransactionPoint[] = [
         quantity: new Big('25'),
         symbol: 'VTI',
         investment: new Big('4460.95'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2581,7 +2580,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('10'),
         symbol: 'VTI',
         investment: new Big('1443.8'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2596,7 +2595,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('20'),
         symbol: 'VTI',
         investment: new Big('2923.7'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2611,7 +2610,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('5'),
         symbol: 'AMZN',
         investment: new Big('10109.95'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-09-01',
         fee: new Big(0),
@@ -2621,7 +2620,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('20'),
         symbol: 'VTI',
         investment: new Big('2923.7'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2636,7 +2635,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('5'),
         symbol: 'AMZN',
         investment: new Big('10109.95'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-09-01',
         fee: new Big(0),
@@ -2646,7 +2645,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('5'),
         symbol: 'VTI',
         investment: new Big('652.55'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2661,7 +2660,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('0'),
         symbol: 'AMZN',
         investment: new Big('0'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-09-01',
         fee: new Big(0),
@@ -2671,7 +2670,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('5'),
         symbol: 'VTI',
         investment: new Big('652.55'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2686,7 +2685,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('0'),
         symbol: 'AMZN',
         investment: new Big('0'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-09-01',
         fee: new Big(0),
@@ -2696,7 +2695,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('15'),
         symbol: 'VTI',
         investment: new Big('2684.05'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),
@@ -2711,7 +2710,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('0'),
         symbol: 'AMZN',
         investment: new Big('0'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-09-01',
         fee: new Big(0),
@@ -2721,7 +2720,7 @@ const transactionPointsBuyAndSell: TransactionPoint[] = [
         quantity: new Big('25'),
         symbol: 'VTI',
         investment: new Big('4460.95'),
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         firstBuyDate: '2019-02-01',
         fee: new Big(0),

apps/api/src/app/portfolio/portfolio-calculator.ts

@@ -2,7 +2,6 @@ import { OrderType } from '@ghostfolio/api/models/order-type';
 import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { DATE_FORMAT, parseDate, resetHours } from '@ghostfolio/common/helper';
 import { TimelinePosition } from '@ghostfolio/common/interfaces';
-import { Currency, DataSource } from '@prisma/client';
 import Big from 'big.js';
 import {
   addDays,
@@ -35,7 +34,7 @@ export class PortfolioCalculator {
 
   public constructor(
     private currentRateService: CurrentRateService,
-    private currency: Currency
+    private currency: string
   ) {}
 
   public computeTransactionPoints(orders: PortfolioOrder[]) {
@@ -157,7 +156,7 @@ export class PortfolioCalculator {
     let firstIndex = this.transactionPoints.length;
     const dates = [];
     const dataGatheringItems: IDataGatheringItem[] = [];
-    const currencies: { [symbol: string]: Currency } = {};
+    const currencies: { [symbol: string]: string } = {};
 
     dates.push(resetHours(start));
     for (const item of this.transactionPoints[firstIndex - 1].items) {
@@ -521,7 +520,7 @@ export class PortfolioCalculator {
       [date: string]: { [symbol: string]: Big };
     } = {};
     if (j >= 0) {
-      const currencies: { [name: string]: Currency } = {};
+      const currencies: { [name: string]: string } = {};
       const dataGatheringItems: IDataGatheringItem[] = [];
 
       for (const item of this.transactionPoints[j].items) {

apps/api/src/app/portfolio/portfolio.service.ts

@@ -39,15 +39,9 @@ import type {
 } from '@ghostfolio/common/types';
 import { Inject, Injectable } from '@nestjs/common';
 import { REQUEST } from '@nestjs/core';
-import {
-  AssetClass,
-  Currency,
-  DataSource,
-  Type as TypeOfOrder
-} from '@prisma/client';
+import { AssetClass, DataSource, Type as TypeOfOrder } from '@prisma/client';
 import Big from 'big.js';
 import {
-  differenceInDays,
   endOfToday,
   format,
   isAfter,
@@ -59,7 +53,7 @@ import {
   subDays,
   subYears
 } from 'date-fns';
-import { isEmpty, isNumber } from 'lodash';
+import { isEmpty } from 'lodash';
 
 import {
   HistoricalDataItem,
@@ -775,7 +769,7 @@ export class PortfolioService {
       assetClass: AssetClass.CASH,
       assetSubClass: AssetClass.CASH,
       countries: [],
-      currency: Currency.CHF,
+      currency: 'CHF',
       grossPerformance: 0,
       grossPerformancePercent: 0,
       investment: cashValue.toNumber(),
@@ -865,7 +859,7 @@ export class PortfolioService {
   private async getAccounts(
     orders: OrderWithAccount[],
     portfolioItemsNow: { [p: string]: TimelinePosition },
-    userCurrency: Currency,
+    userCurrency: string,
     userId: string
   ) {
     const accounts: PortfolioDetails['accounts'] = {};
@@ -938,7 +932,7 @@ export class PortfolioService {
 
   private getTotalByType(
     orders: OrderWithAccount[],
-    currency: Currency,
+    currency: string,
     type: TypeOfOrder
   ) {
     return orders

apps/api/src/app/portfolio/rules.service.ts

@@ -1,7 +1,6 @@
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { Rule } from '@ghostfolio/api/models/rule';
 import { Injectable } from '@nestjs/common';
-import { Currency } from '@prisma/client';
 
 @Injectable()
 export class RulesService {
@@ -9,7 +8,7 @@ export class RulesService {
 
   public async evaluate<T extends RuleSettings>(
     aRules: Rule<T>[],
-    aUserSettings: { baseCurrency: Currency }
+    aUserSettings: { baseCurrency: string }
   ) {
     return aRules
       .filter((rule) => {

apps/api/src/app/symbol/interfaces/lookup-item.interface.ts

@@ -1,7 +1,7 @@
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 
 export interface LookupItem {
-  currency: Currency;
+  currency: string;
   dataSource: DataSource;
   name: string;
   symbol: string;

apps/api/src/app/symbol/interfaces/symbol-item.interface.ts

@@ -1,7 +1,7 @@
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 
 export interface SymbolItem {
-  currency: Currency;
+  currency: string;
   dataSource: DataSource;
   marketPrice: number;
 }

apps/api/src/app/symbol/symbol.service.ts

@@ -2,7 +2,7 @@ import { DataProviderService } from '@ghostfolio/api/services/data-provider/data
 import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
 import { Injectable } from '@nestjs/common';
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 
 import { LookupItem } from './interfaces/lookup-item.interface';
 import { SymbolItem } from './interfaces/symbol-item.interface';
@@ -20,8 +20,8 @@ export class SymbolService {
 
     if (dataGatheringItem.dataSource && marketPrice) {
       return {
+        currency,
         marketPrice,
-        currency: <Currency>(<unknown>currency),
         dataSource: dataGatheringItem.dataSource
       };
     }

apps/api/src/app/user/interfaces/user-settings-params.interface.ts

@@ -1,7 +1,7 @@
-import { Currency, ViewMode } from '@prisma/client';
+import { ViewMode } from '@prisma/client';
 
 export interface UserSettingsParams {
-  currency?: Currency;
+  currency?: string;
   userId: string;
   viewMode?: ViewMode;
 }

apps/api/src/app/user/update-user-settings.dto.ts

@@ -1,9 +1,9 @@
-import { Currency, ViewMode } from '@prisma/client';
+import { ViewMode } from '@prisma/client';
 import { IsString } from 'class-validator';
 
 export class UpdateUserSettingsDto {
   @IsString()
-  baseCurrency: Currency;
+  baseCurrency: string;
 
   @IsString()
   viewMode: ViewMode;

apps/api/src/app/user/user.service.ts

@@ -1,12 +1,12 @@
 import { SubscriptionService } from '@ghostfolio/api/app/subscription/subscription.service';
 import { ConfigurationService } from '@ghostfolio/api/services/configuration.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
-import { locale } from '@ghostfolio/common/config';
+import { baseCurrency, locale } from '@ghostfolio/common/config';
 import { User as IUser, UserWithSettings } from '@ghostfolio/common/interfaces';
 import { getPermissions, permissions } from '@ghostfolio/common/permissions';
 import { SubscriptionType } from '@ghostfolio/common/types/subscription.type';
 import { Injectable } from '@nestjs/common';
-import { Currency, Prisma, Provider, User, ViewMode } from '@prisma/client';
+import { Prisma, Provider, User, ViewMode } from '@prisma/client';
 
 import { UserSettingsParams } from './interfaces/user-settings-params.interface';
 import { UserSettings } from './interfaces/user-settings.interface';
@@ -15,7 +15,7 @@ const crypto = require('crypto');
 
 @Injectable()
 export class UserService {
-  public static DEFAULT_CURRENCY = Currency.USD;
+  public static DEFAULT_CURRENCY = 'USD';
 
   public constructor(
     private readonly configurationService: ConfigurationService,
@@ -144,9 +144,15 @@ export class UserService {
         ...data,
         Account: {
           create: {
+            currency: baseCurrency,
             isDefault: true,
             name: 'Default Account'
           }
+        },
+        Settings: {
+          create: {
+            currency: baseCurrency
+          }
         }
       }
     });

apps/api/src/models/interfaces/user-settings.interface.ts

@@ -1,5 +1,3 @@
-import { Currency } from '@prisma/client';
-
 export interface UserSettings {
-  baseCurrency: Currency;
+  baseCurrency: string;
 }

apps/api/src/models/order.ts

@@ -1,4 +1,4 @@
-import { Account, Currency, SymbolProfile } from '@prisma/client';
+import { Account, SymbolProfile } from '@prisma/client';
 import { v4 as uuidv4 } from 'uuid';
 
 import { IOrder } from '../services/interfaces/interfaces';
@@ -6,7 +6,7 @@ import { OrderType } from './order-type';
 
 export class Order {
   private account: Account;
-  private currency: Currency;
+  private currency: string;
   private fee: number;
   private date: string;
   private id: string;

apps/api/src/models/rule.ts

@@ -3,7 +3,6 @@ import { UserSettings } from '@ghostfolio/api/models/interfaces/user-settings.in
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data.service';
 import { groupBy } from '@ghostfolio/common/helper';
 import { TimelinePosition } from '@ghostfolio/common/interfaces';
-import { Currency } from '@prisma/client';
 
 import { EvaluationResult } from './interfaces/evaluation-result.interface';
 import { RuleInterface } from './interfaces/rule.interface';
@@ -29,7 +28,7 @@ export abstract class Rule<T extends RuleSettings> implements RuleInterface<T> {
   public groupCurrentPositionsByAttribute(
     positions: TimelinePosition[],
     attribute: keyof TimelinePosition,
-    baseCurrency: Currency
+    baseCurrency: string
   ) {
     return Array.from(groupBy(attribute, positions).entries()).map(
       ([attributeValue, objs]) => ({

apps/api/src/models/rules/currency-cluster-risk/base-currency-current-investment.ts

@@ -2,8 +2,6 @@ import { CurrentPositions } from '@ghostfolio/api/app/portfolio/interfaces/curre
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { UserSettings } from '@ghostfolio/api/models/interfaces/user-settings.interface';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data.service';
-import { PortfolioPosition } from '@ghostfolio/common/interfaces';
-import { Currency } from '@prisma/client';
 
 import { Rule } from '../../rule';
 
@@ -69,5 +67,5 @@ export class CurrencyClusterRiskBaseCurrencyCurrentInvestment extends Rule<Setti
 }
 
 interface Settings extends RuleSettings {
-  baseCurrency: Currency;
+  baseCurrency: string;
 }

apps/api/src/models/rules/currency-cluster-risk/base-currency-initial-investment.ts

@@ -1,7 +1,6 @@
 import { CurrentPositions } from '@ghostfolio/api/app/portfolio/interfaces/current-positions.interface';
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { UserSettings } from '@ghostfolio/api/models/interfaces/user-settings.interface';
-import { Currency } from '@prisma/client';
 import { ExchangeRateDataService } from 'apps/api/src/services/exchange-rate-data.service';
 
 import { Rule } from '../../rule';
@@ -69,5 +68,5 @@ export class CurrencyClusterRiskBaseCurrencyInitialInvestment extends Rule<Setti
 }
 
 interface Settings extends RuleSettings {
-  baseCurrency: Currency;
+  baseCurrency: string;
 }

apps/api/src/models/rules/currency-cluster-risk/current-investment.ts

@@ -1,7 +1,6 @@
 import { CurrentPositions } from '@ghostfolio/api/app/portfolio/interfaces/current-positions.interface';
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { UserSettings } from '@ghostfolio/api/models/interfaces/user-settings.interface';
-import { Currency } from '@prisma/client';
 import { ExchangeRateDataService } from 'apps/api/src/services/exchange-rate-data.service';
 
 import { Rule } from '../../rule';
@@ -69,6 +68,6 @@ export class CurrencyClusterRiskCurrentInvestment extends Rule<Settings> {
 }
 
 interface Settings extends RuleSettings {
-  baseCurrency: Currency;
+  baseCurrency: string;
   threshold: number;
 }

apps/api/src/models/rules/currency-cluster-risk/initial-investment.ts

@@ -1,7 +1,6 @@
 import { CurrentPositions } from '@ghostfolio/api/app/portfolio/interfaces/current-positions.interface';
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { UserSettings } from '@ghostfolio/api/models/interfaces/user-settings.interface';
-import { Currency } from '@prisma/client';
 import { ExchangeRateDataService } from 'apps/api/src/services/exchange-rate-data.service';
 
 import { Rule } from '../../rule';
@@ -69,6 +68,6 @@ export class CurrencyClusterRiskInitialInvestment extends Rule<Settings> {
 }
 
 interface Settings extends RuleSettings {
-  baseCurrency: Currency;
+  baseCurrency: string;
   threshold: number;
 }

apps/api/src/models/rules/fees/fee-ratio-initial-investment.ts

@@ -1,6 +1,5 @@
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { UserSettings } from '@ghostfolio/api/models/interfaces/user-settings.interface';
-import { Currency } from '@prisma/client';
 import { ExchangeRateDataService } from 'apps/api/src/services/exchange-rate-data.service';
 
 import { Rule } from '../../rule';
@@ -46,6 +45,6 @@ export class FeeRatioInitialInvestment extends Rule<Settings> {
 }
 
 interface Settings extends RuleSettings {
-  baseCurrency: Currency;
+  baseCurrency: string;
   threshold: number;
 }

apps/api/src/services/data-gathering.module.ts

@@ -4,8 +4,15 @@ import { DataProviderModule } from '@ghostfolio/api/services/data-provider/data-
 import { PrismaModule } from '@ghostfolio/api/services/prisma.module';
 import { Module } from '@nestjs/common';
 
+import { ExchangeRateDataModule } from './exchange-rate-data.module';
+
 @Module({
-  imports: [ConfigurationModule, DataProviderModule, PrismaModule],
+  imports: [
+    ConfigurationModule,
+    DataProviderModule,
+    ExchangeRateDataModule,
+    PrismaModule
+  ],
   providers: [DataGatheringService],
   exports: [DataGatheringService]
 })

apps/api/src/services/data-gathering.service.ts

@@ -1,6 +1,5 @@
 import {
   benchmarks,
-  currencyPairs,
   ghostfolioFearAndGreedIndexSymbol
 } from '@ghostfolio/common/config';
 import { DATE_FORMAT, getUtc, resetHours } from '@ghostfolio/common/helper';
@@ -19,6 +18,7 @@ import {
 import { ConfigurationService } from './configuration.service';
 import { DataProviderService } from './data-provider/data-provider.service';
 import { GhostfolioScraperApiService } from './data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service';
+import { ExchangeRateDataService } from './exchange-rate-data.service';
 import { IDataGatheringItem } from './interfaces/interfaces';
 import { PrismaService } from './prisma.service';
 
@@ -27,6 +27,7 @@ export class DataGatheringService {
   public constructor(
     private readonly configurationService: ConfigurationService,
     private readonly dataProviderService: DataProviderService,
+    private readonly exchangeRateDataService: ExchangeRateDataService,
     private readonly ghostfolioScraperApi: GhostfolioScraperApiService,
     private readonly prismaService: PrismaService
   ) {}
@@ -230,6 +231,8 @@ export class DataGatheringService {
       }
     }
 
+    await this.exchangeRateDataService.initialize();
+
     if (hasError) {
       throw '';
     }
@@ -316,15 +319,15 @@ export class DataGatheringService {
       };
     });
 
-    const currencyPairsToGather = currencyPairs.map(
-      ({ dataSource, symbol }) => {
+    const currencyPairsToGather = this.exchangeRateDataService
+      .getCurrencyPairs()
+      .map(({ dataSource, symbol }) => {
         return {
           dataSource,
           symbol,
           date: startDate
         };
-      }
-    );
+      });
 
     const customSymbolsToGather =
       await this.ghostfolioScraperApi.getCustomSymbolsToGather(startDate);
@@ -343,15 +346,15 @@ export class DataGatheringService {
     const customSymbolsToGather =
       await this.ghostfolioScraperApi.getCustomSymbolsToGather(startDate);
 
-    const currencyPairsToGather = currencyPairs.map(
-      ({ dataSource, symbol }) => {
+    const currencyPairsToGather = this.exchangeRateDataService
+      .getCurrencyPairs()
+      .map(({ dataSource, symbol }) => {
         return {
           dataSource,
           symbol,
           date: startDate
         };
-      }
-    );
+      });
 
     const symbolProfilesToGather =
       await this.prismaService.symbolProfile.findMany({

apps/api/src/services/data-provider/ghostfolio-scraper-api/interfaces/scraper-config.interface.ts

@@ -1,7 +1,5 @@
-import { Currency } from '@prisma/client';
-
 export interface ScraperConfig {
-  currency: Currency;
+  currency: string;
   selector: string;
   symbol: string;
   url: string;

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

@@ -1,19 +1,9 @@
 import { LookupItem } from '@ghostfolio/api/app/symbol/interfaces/lookup-item.interface';
 import { UNKNOWN_KEY } from '@ghostfolio/common/config';
-import {
-  DATE_FORMAT,
-  isCrypto,
-  isCurrency,
-  parseCurrency
-} from '@ghostfolio/common/helper';
+import { DATE_FORMAT, isCrypto, isCurrency } from '@ghostfolio/common/helper';
 import { Granularity } from '@ghostfolio/common/types';
 import { Injectable } from '@nestjs/common';
-import {
-  AssetClass,
-  AssetSubClass,
-  Currency,
-  DataSource
-} from '@prisma/client';
+import { AssetClass, AssetSubClass, DataSource } from '@prisma/client';
 import * as bent from 'bent';
 import Big from 'big.js';
 import { countries } from 'countries-list';
@@ -68,7 +58,7 @@ export class YahooFinanceService implements DataProviderInterface {
         response[symbol] = {
           assetClass,
           assetSubClass,
-          currency: parseCurrency(value.price?.currency),
+          currency: value.price?.currency,
           dataSource: DataSource.YAHOO,
           exchange: this.parseExchange(value.price?.exchangeName),
           marketState:
@@ -81,7 +71,7 @@ export class YahooFinanceService implements DataProviderInterface {
 
         if (value.price?.currency === 'GBp') {
           // Convert GBp (pence) to GBP
-          response[symbol].currency = Currency.GBP;
+          response[symbol].currency = 'GBP';
           response[symbol].marketPrice = new Big(
             value.price?.regularMarketPrice ?? 0
           )
@@ -200,7 +190,7 @@ export class YahooFinanceService implements DataProviderInterface {
         .filter(({ quoteType, symbol }) => {
           if (quoteType === 'CRYPTOCURRENCY') {
             // Only allow cryptocurrencies in USD
-            return symbol.includes(Currency.USD);
+            return symbol.includes('USD');
           }
 
           return true;

apps/api/src/services/exchange-rate-data.module.ts

@@ -2,8 +2,10 @@ import { DataProviderModule } from '@ghostfolio/api/services/data-provider/data-
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data.service';
 import { Module } from '@nestjs/common';
 
+import { PrismaModule } from './prisma.module';
+
 @Module({
-  imports: [DataProviderModule],
+  imports: [DataProviderModule, PrismaModule],
   providers: [ExchangeRateDataService],
   exports: [ExchangeRateDataService]
 })

apps/api/src/services/exchange-rate-data.service.ts

@@ -1,27 +1,45 @@
-import { currencyPairs } from '@ghostfolio/common/config';
+import { baseCurrency } from '@ghostfolio/common/config';
 import { DATE_FORMAT, getYesterday } from '@ghostfolio/common/helper';
 import { Injectable } from '@nestjs/common';
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 import { format } from 'date-fns';
-import { isEmpty, isNumber } from 'lodash';
+import { isEmpty, isNumber, uniq } from 'lodash';
 
 import { DataProviderService } from './data-provider/data-provider.service';
 import { IDataGatheringItem } from './interfaces/interfaces';
+import { PrismaService } from './prisma.service';
 
 @Injectable()
 export class ExchangeRateDataService {
+  private currencies: string[] = [];
   private currencyPairs: IDataGatheringItem[] = [];
   private exchangeRates: { [currencyPair: string]: number } = {};
 
-  public constructor(private dataProviderService: DataProviderService) {
+  public constructor(
+    private readonly dataProviderService: DataProviderService,
+    private readonly prismaService: PrismaService
+  ) {
     this.initialize();
   }
 
+  public getCurrencies() {
+    return this.currencies?.length > 0 ? this.currencies : [baseCurrency];
+  }
+
+  public getCurrencyPairs() {
+    return this.currencyPairs;
+  }
+
   public async initialize() {
+    this.currencies = await this.prepareCurrencies();
     this.currencyPairs = [];
     this.exchangeRates = {};
 
-    for (const { currency1, currency2, dataSource } of currencyPairs) {
+    for (const {
+      currency1,
+      currency2,
+      dataSource
+    } of this.prepareCurrencyPairs(this.currencies)) {
       this.addCurrencyPairs({ currency1, currency2, dataSource });
     }
 
@@ -77,8 +95,8 @@ export class ExchangeRateDataService {
       if (!this.exchangeRates[symbol]) {
         // Not found, calculate indirectly via USD
         this.exchangeRates[symbol] =
-          resultExtended[`${currency1}${Currency.USD}`]?.[date]?.marketPrice *
-          resultExtended[`${Currency.USD}${currency2}`]?.[date]?.marketPrice;
+          resultExtended[`${currency1}${'USD'}`]?.[date]?.marketPrice *
+          resultExtended[`${'USD'}${currency2}`]?.[date]?.marketPrice;
 
         // Calculate the opposite direction
         this.exchangeRates[`${currency2}${currency1}`] =
@@ -89,10 +107,14 @@ export class ExchangeRateDataService {
 
   public toCurrency(
     aValue: number,
-    aFromCurrency: Currency,
-    aToCurrency: Currency
+    aFromCurrency: string,
+    aToCurrency: string
   ) {
-    if (isNaN(this.exchangeRates[`${Currency.USD}${Currency.CHF}`])) {
+    const hasNaN = Object.values(this.exchangeRates).some((exchangeRate) => {
+      return isNaN(exchangeRate);
+    });
+
+    if (hasNaN) {
       // Reinitialize if data is not loaded correctly
       this.initialize();
     }
@@ -104,8 +126,8 @@ export class ExchangeRateDataService {
         factor = this.exchangeRates[`${aFromCurrency}${aToCurrency}`];
       } else {
         // Calculate indirectly via USD
-        const factor1 = this.exchangeRates[`${aFromCurrency}${Currency.USD}`];
-        const factor2 = this.exchangeRates[`${Currency.USD}${aToCurrency}`];
+        const factor1 = this.exchangeRates[`${aFromCurrency}${'USD'}`];
+        const factor2 = this.exchangeRates[`${'USD'}${aToCurrency}`];
 
         factor = factor1 * factor2;
 
@@ -129,8 +151,8 @@ export class ExchangeRateDataService {
     currency2,
     dataSource
   }: {
-    currency1: Currency;
-    currency2: Currency;
+    currency1: string;
+    currency2: string;
     dataSource: DataSource;
   }) {
     this.currencyPairs.push({
@@ -142,4 +164,49 @@ export class ExchangeRateDataService {
       symbol: `${currency2}${currency1}`
     });
   }
+
+  private async prepareCurrencies(): Promise<string[]> {
+    const currencies: string[] = [];
+
+    const settings = await this.prismaService.settings.findMany({
+      distinct: ['currency'],
+      orderBy: [{ currency: 'asc' }],
+      select: { currency: true }
+    });
+
+    settings.forEach((settingsItem) => {
+      if (settingsItem.currency) {
+        currencies.push(settingsItem.currency);
+      }
+    });
+
+    const symbolProfiles = await this.prismaService.symbolProfile.findMany({
+      distinct: ['currency'],
+      orderBy: [{ currency: 'asc' }],
+      select: { currency: true }
+    });
+
+    symbolProfiles.forEach((symbolProfile) => {
+      if (symbolProfile.currency) {
+        currencies.push(symbolProfile.currency);
+      }
+    });
+
+    return uniq(currencies).sort();
+  }
+
+  private prepareCurrencyPairs(aCurrencies: string[]) {
+    return aCurrencies
+      .filter((currency) => {
+        return currency !== baseCurrency;
+      })
+      .map((currency) => {
+        return {
+          currency1: baseCurrency,
+          currency2: currency,
+          dataSource: DataSource.YAHOO,
+          symbol: `${baseCurrency}${currency}`
+        };
+      });
+  }
 }

apps/api/src/services/interfaces/interfaces.ts

@@ -2,7 +2,6 @@ import {
   Account,
   AssetClass,
   AssetSubClass,
-  Currency,
   DataSource,
   SymbolProfile
 } from '@prisma/client';
@@ -17,7 +16,7 @@ export const MarketState = {
 
 export interface IOrder {
   account: Account;
-  currency: Currency;
+  currency: string;
   date: string;
   fee: number;
   id?: string;
@@ -38,7 +37,7 @@ export interface IDataProviderResponse {
   assetClass?: AssetClass;
   assetSubClass?: AssetSubClass;
   countries?: { code: string; weight: number }[];
-  currency: Currency;
+  currency: string;
   dataSource: DataSource;
   exchange?: string;
   marketChange?: number;

apps/api/src/services/interfaces/symbol-profile.interface.ts

@@ -1,17 +1,12 @@
 import { Country } from '@ghostfolio/common/interfaces/country.interface';
 import { Sector } from '@ghostfolio/common/interfaces/sector.interface';
-import {
-  AssetClass,
-  AssetSubClass,
-  Currency,
-  DataSource
-} from '@prisma/client';
+import { AssetClass, AssetSubClass, DataSource } from '@prisma/client';
 
 export interface EnhancedSymbolProfile {
   assetClass: AssetClass;
   assetSubClass: AssetSubClass;
   createdAt: Date;
-  currency: Currency | null;
+  currency: string | null;
   dataSource: DataSource;
   id: string;
   name: string | null;

apps/client/src/app/components/portfolio-performance/portfolio-performance.component.ts

@@ -8,7 +8,6 @@ import {
   ViewChild
 } from '@angular/core';
 import { PortfolioPerformance } from '@ghostfolio/common/interfaces';
-import { Currency } from '@prisma/client';
 import { CountUp } from 'countup.js';
 import { isNumber } from 'lodash';
 
@@ -19,7 +18,7 @@ import { isNumber } from 'lodash';
   styleUrls: ['./portfolio-performance.component.scss']
 })
 export class PortfolioPerformanceComponent implements OnChanges, OnInit {
-  @Input() baseCurrency: Currency;
+  @Input() baseCurrency: string;
   @Input() isLoading: boolean;
   @Input() locale: string;
   @Input() performance: PortfolioPerformance;

apps/client/src/app/components/portfolio-summary/portfolio-summary.component.ts

@@ -6,7 +6,6 @@ import {
   OnInit
 } from '@angular/core';
 import { PortfolioSummary } from '@ghostfolio/common/interfaces';
-import { Currency } from '@prisma/client';
 import { formatDistanceToNow } from 'date-fns';
 
 @Component({
@@ -16,7 +15,7 @@ import { formatDistanceToNow } from 'date-fns';
   styleUrls: ['./portfolio-summary.component.scss']
 })
 export class PortfolioSummaryComponent implements OnChanges, OnInit {
-  @Input() baseCurrency: Currency;
+  @Input() baseCurrency: string;
   @Input() isLoading: boolean;
   @Input() locale: string;
   @Input() summary: PortfolioSummary;

apps/client/src/app/components/world-map-chart/world-map-chart.component.ts

@@ -7,7 +7,6 @@ import {
   OnDestroy,
   OnInit
 } from '@angular/core';
-import { Currency } from '@prisma/client';
 import svgMap from 'svgmap';
 
 @Component({
@@ -17,7 +16,7 @@ import svgMap from 'svgmap';
   styleUrls: ['./world-map-chart.component.scss']
 })
 export class WorldMapChartComponent implements OnChanges, OnDestroy, OnInit {
-  @Input() baseCurrency: Currency;
+  @Input() baseCurrency: string;
   @Input() countries: { [code: string]: { name: string; value: number } };
 
   public isLoading = true;

apps/client/src/app/pages/account/account-page.component.ts

@@ -15,7 +15,6 @@ import { WebAuthnService } from '@ghostfolio/client/services/web-authn.service';
 import { DEFAULT_DATE_FORMAT, baseCurrency } from '@ghostfolio/common/config';
 import { Access, User } from '@ghostfolio/common/interfaces';
 import { hasPermission, permissions } from '@ghostfolio/common/permissions';
-import { Currency } from '@prisma/client';
 import { StripeService } from 'ngx-stripe';
 import { EMPTY, Subject } from 'rxjs';
 import { catchError, switchMap, takeUntil } from 'rxjs/operators';
@@ -33,7 +32,7 @@ export class AccountPageComponent implements OnDestroy, OnInit {
   public baseCurrency = baseCurrency;
   public coupon: number;
   public couponId: string;
-  public currencies: Currency[] = [];
+  public currencies: string[] = [];
   public defaultDateFormat = DEFAULT_DATE_FORMAT;
   public hasPermissionForSubscription: boolean;
   public hasPermissionToUpdateViewMode: boolean;

apps/client/src/app/pages/accounts/create-or-update-account-dialog/create-or-update-account-dialog.component.ts

@@ -1,12 +1,10 @@
 import {
   ChangeDetectionStrategy,
-  ChangeDetectorRef,
   Component,
   Inject,
   OnDestroy
 } from '@angular/core';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
-import { Currency } from '@prisma/client';
 import { Subject } from 'rxjs';
 
 import { DataService } from '../../../services/data.service';
@@ -20,13 +18,12 @@ import { CreateOrUpdateAccountDialogParams } from './interfaces/interfaces';
   templateUrl: 'create-or-update-account-dialog.html'
 })
 export class CreateOrUpdateAccountDialog implements OnDestroy {
-  public currencies: Currency[] = [];
+  public currencies: string[] = [];
   public platforms: { id: string; name: string }[];
 
   private unsubscribeSubject = new Subject<void>();
 
   public constructor(
-    private changeDetectorRef: ChangeDetectorRef,
     private dataService: DataService,
     public dialogRef: MatDialogRef<CreateOrUpdateAccountDialog>,
     @Inject(MAT_DIALOG_DATA) public data: CreateOrUpdateAccountDialogParams

apps/client/src/app/pages/portfolio/transactions/create-or-update-transaction-dialog/create-or-update-transaction-dialog.component.ts

@@ -11,7 +11,6 @@ import { MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { LookupItem } from '@ghostfolio/api/app/symbol/interfaces/lookup-item.interface';
 import { DataService } from '@ghostfolio/client/services/data.service';
-import { Currency } from '@prisma/client';
 import { isString } from 'lodash';
 import { EMPTY, Observable, Subject } from 'rxjs';
 import {
@@ -35,7 +34,7 @@ import { CreateOrUpdateTransactionDialogParams } from './interfaces/interfaces';
 export class CreateOrUpdateTransactionDialog implements OnDestroy {
   @ViewChild('autocomplete') autocomplete;
 
-  public currencies: Currency[] = [];
+  public currencies: string[] = [];
   public currentMarketPrice = null;
   public filteredLookupItems: LookupItem[];
   public filteredLookupItemsObservable: Observable<LookupItem[]>;

libs/common/src/lib/config.ts

@@ -1,31 +1,12 @@
 import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
-import { Currency } from '@prisma/client';
 import { DataSource } from '@prisma/client';
 
-export const baseCurrency = Currency.USD;
+export const baseCurrency = 'USD';
 
 export const benchmarks: Partial<IDataGatheringItem>[] = [
   { dataSource: DataSource.YAHOO, symbol: 'VOO' }
 ];
 
-export const currencyPairs: Partial<
-  IDataGatheringItem & {
-    currency1: Currency;
-    currency2: Currency;
-  }
->[] = (Object.keys(Currency) as Array<keyof typeof Currency>)
-  .filter((currency) => {
-    return currency !== Currency.USD;
-  })
-  .map((currency) => {
-    return {
-      currency1: Currency.USD,
-      currency2: Currency[currency],
-      dataSource: DataSource.YAHOO,
-      symbol: `${Currency.USD}${Currency[currency]}`
-    };
-  });
-
 export const ghostfolioScraperApiSymbolPrefix = '_GF_';
 export const ghostfolioCashSymbol = `${ghostfolioScraperApiSymbolPrefix}CASH`;
 export const ghostfolioFearAndGreedIndexSymbol = `${ghostfolioScraperApiSymbolPrefix}FEAR_AND_GREED_INDEX`;

libs/common/src/lib/helper.ts

@@ -1,4 +1,3 @@
-import { Currency } from '@prisma/client';
 import { getDate, getMonth, getYear, parse, subDays } from 'date-fns';
 
 import { ghostfolioScraperApiSymbolPrefix } from './config';
@@ -87,9 +86,9 @@ export function isCrypto(aSymbol = '') {
 
 export function isCurrency(aSymbol = '') {
   return (
-    (aSymbol.includes(Currency.CHF) ||
-      aSymbol.includes(Currency.EUR) ||
-      aSymbol.includes(Currency.USD)) &&
+    (aSymbol.includes('CHF') ||
+      aSymbol.includes('EUR') ||
+      aSymbol.includes('USD')) &&
     aSymbol.length >= 6
   );
 }
@@ -102,10 +101,6 @@ export function isRakutenRapidApiSymbol(aSymbol = '') {
   return aSymbol === 'GF.FEAR_AND_GREED_INDEX';
 }
 
-export function parseCurrency(aCurrency: string): Currency {
-  return Currency[aCurrency];
-}
-
 export function resetHours(aDate: Date) {
   const year = getYear(aDate);
   const month = getMonth(aDate);

libs/common/src/lib/interfaces/info-item.interface.ts

@@ -1,10 +1,8 @@
-import { Currency } from '@prisma/client';
-
 import { Statistics } from './statistics.interface';
 import { Subscription } from './subscription.interface';
 
 export interface InfoItem {
-  currencies: Currency[];
+  currencies: string[];
   demoAuthToken: string;
   globalPermissions: string[];
   lastDataGathering?: Date;

libs/common/src/lib/interfaces/portfolio-position.interface.ts

@@ -1,5 +1,5 @@
 import { MarketState } from '@ghostfolio/api/services/interfaces/interfaces';
-import { AssetClass, AssetSubClass, Currency } from '@prisma/client';
+import { AssetClass, AssetSubClass } from '@prisma/client';
 
 import { Country } from './country.interface';
 import { Sector } from './sector.interface';
@@ -10,7 +10,7 @@ export interface PortfolioPosition {
   assetClass?: AssetClass;
   assetSubClass?: AssetSubClass | 'CASH';
   countries: Country[];
-  currency: Currency;
+  currency: string;
   exchange?: string;
   grossPerformance: number;
   grossPerformancePercent: number;

libs/common/src/lib/interfaces/position.interface.ts

@@ -1,10 +1,10 @@
 import { MarketState } from '@ghostfolio/api/services/interfaces/interfaces';
-import { AssetClass, Currency } from '@prisma/client';
+import { AssetClass } from '@prisma/client';
 
 export interface Position {
   assetClass: AssetClass;
   averagePrice: number;
-  currency: Currency;
+  currency: string;
   firstBuyDate: string;
   grossPerformance?: number;
   grossPerformancePercentage?: number;

libs/common/src/lib/interfaces/timeline-position.interface.ts

@@ -1,9 +1,9 @@
-import { Currency, DataSource } from '@prisma/client';
+import { DataSource } from '@prisma/client';
 import Big from 'big.js';
 
 export interface TimelinePosition {
   averagePrice: Big;
-  currency: Currency;
+  currency: string;
   dataSource: DataSource;
   firstBuyDate: string;
   grossPerformance: Big;

libs/common/src/lib/interfaces/user-settings.interface.ts

@@ -1,7 +1,7 @@
-import { Currency, ViewMode } from '@prisma/client';
+import { ViewMode } from '@prisma/client';
 
 export interface UserSettings {
-  baseCurrency?: Currency;
+  baseCurrency?: string;
   isRestrictedView?: boolean;
   locale: string;
   viewMode?: ViewMode;

libs/ui/src/lib/portfolio-proportion-chart/portfolio-proportion-chart.component.ts

@@ -11,7 +11,6 @@ import {
 import { UNKNOWN_KEY } from '@ghostfolio/common/config';
 import { getTextColor } from '@ghostfolio/common/helper';
 import { PortfolioPosition } from '@ghostfolio/common/interfaces';
-import { Currency } from '@prisma/client';
 import { Tooltip } from 'chart.js';
 import { LinearScale } from 'chart.js';
 import { ArcElement } from 'chart.js';
@@ -29,7 +28,7 @@ import * as Color from 'color';
 export class PortfolioProportionChartComponent
   implements AfterViewInit, OnChanges, OnDestroy
 {
-  @Input() baseCurrency: Currency;
+  @Input() baseCurrency: string;
   @Input() isInPercent = false;
   @Input() keys: string[] = [];
   @Input() locale = '';

prisma/migrations/20210921151004_changed_currency_from_enum_to_string/migration.sql

@@ -0,0 +1,14 @@
+-- AlterTable
+ALTER TABLE "Account" ALTER COLUMN "currency" TYPE TEXT;
+
+-- AlterTable
+ALTER TABLE "Order" ALTER COLUMN "currency" TYPE TEXT;
+
+-- AlterTable
+ALTER TABLE "Settings" ALTER COLUMN "currency" TYPE TEXT;
+
+-- AlterTable
+ALTER TABLE "SymbolProfile" ALTER COLUMN "currency" TYPE TEXT;
+
+-- DropEnum
+DROP TYPE "Currency" CASCADE;

prisma/schema.prisma

@@ -28,7 +28,7 @@ model Account {
   accountType AccountType @default(SECURITIES)
   balance     Float       @default(0)
   createdAt   DateTime    @default(now())
-  currency    Currency    @default(USD)
+  currency    String?
   id          String      @default(uuid())
   isDefault   Boolean     @default(false)
   name        String?
@@ -77,7 +77,7 @@ model Order {
   accountId       String?
   accountUserId   String?
   createdAt       DateTime       @default(now())
-  currency        Currency?
+  currency        String?
   dataSource      DataSource
   date            DateTime
   fee             Float
@@ -109,7 +109,7 @@ model Property {
 }
 
 model Settings {
-  currency  Currency?
+  currency  String?
   settings  Json?
   updatedAt DateTime  @updatedAt
   viewMode  ViewMode?
@@ -122,7 +122,7 @@ model SymbolProfile {
   assetSubClass AssetSubClass?
   countries     Json?
   createdAt     DateTime       @default(now())
-  currency      Currency?
+  currency      String?
   dataSource    DataSource
   id            String         @id @default(uuid())
   name          String?
@@ -182,13 +182,6 @@ enum AssetSubClass {
   STOCK
 }
 
-enum Currency {
-  CHF
-  EUR
-  GBP
-  USD
-}
-
 enum DataSource {
   ALPHA_VANTAGE
   GHOSTFOLIO

prisma/seed.ts

@@ -1,6 +1,5 @@
 import {
   AccountType,
-  Currency,
   DataSource,
   PrismaClient,
   Role,
@@ -88,7 +87,7 @@ async function main() {
           {
             accountType: AccountType.SECURITIES,
             balance: 0,
-            currency: Currency.USD,
+            currency: 'USD',
             id: 'f4425b66-9ba9-4ac4-93d7-fdf9a145e8cb',
             isDefault: true,
             name: 'Default Account'
@@ -112,7 +111,7 @@ async function main() {
           {
             accountType: AccountType.SECURITIES,
             balance: 0,
-            currency: Currency.USD,
+            currency: 'USD',
             id: 'd804de69-0429-42dc-b6ca-b308fd7dd926',
             name: 'Coinbase Account',
             platformId: platformCoinbase.id
@@ -120,7 +119,7 @@ async function main() {
           {
             accountType: AccountType.SECURITIES,
             balance: 0,
-            currency: Currency.EUR,
+            currency: 'EUR',
             id: '65cfb79d-b6c7-4591-9d46-73426bc62094',
             name: 'DEGIRO Account',
             platformId: platformDegiro.id
@@ -128,7 +127,7 @@ async function main() {
           {
             accountType: AccountType.SECURITIES,
             balance: 0,
-            currency: Currency.USD,
+            currency: 'USD',
             id: '480269ce-e12a-4fd1-ac88-c4b0ff3f899c',
             isDefault: true,
             name: 'Interactive Brokers Account',
@@ -201,7 +200,7 @@ async function main() {
       {
         accountId: '65cfb79d-b6c7-4591-9d46-73426bc62094',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2017, 0, 3, 0, 0, 0)),
         fee: 30,
@@ -216,7 +215,7 @@ async function main() {
       {
         accountId: 'd804de69-0429-42dc-b6ca-b308fd7dd926',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2017, 7, 16, 0, 0, 0)),
         fee: 29.9,
@@ -231,7 +230,7 @@ async function main() {
       {
         accountId: '480269ce-e12a-4fd1-ac88-c4b0ff3f899c',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2018, 9, 1, 0, 0, 0)),
         fee: 80.79,
@@ -246,7 +245,7 @@ async function main() {
       {
         accountId: '480269ce-e12a-4fd1-ac88-c4b0ff3f899c',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2019, 2, 1, 0, 0, 0)),
         fee: 19.9,
@@ -261,7 +260,7 @@ async function main() {
       {
         accountId: '480269ce-e12a-4fd1-ac88-c4b0ff3f899c',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2019, 8, 3, 0, 0, 0)),
         fee: 19.9,
@@ -276,7 +275,7 @@ async function main() {
       {
         accountId: '480269ce-e12a-4fd1-ac88-c4b0ff3f899c',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2020, 2, 2, 0, 0, 0)),
         fee: 19.9,
@@ -291,7 +290,7 @@ async function main() {
       {
         accountId: '480269ce-e12a-4fd1-ac88-c4b0ff3f899c',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2020, 8, 1, 0, 0, 0)),
         fee: 19.9,
@@ -306,7 +305,7 @@ async function main() {
       {
         accountId: '480269ce-e12a-4fd1-ac88-c4b0ff3f899c',
         accountUserId: userDemo.id,
-        currency: Currency.USD,
+        currency: 'USD',
         dataSource: DataSource.YAHOO,
         date: new Date(Date.UTC(2020, 2, 1, 0, 0, 0)),
         fee: 19.9,