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Bugfix/use base currency in exchange rate service instead of usd (#1255)

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* Change from USD to base currency

* Update changelog
This commit is contained in:
Thomas Kaul 2022-09-14 19:56:18 +02:00 committed by GitHub
parent 91678028b5
commit 7d27cb3398
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3 changed files with 23 additions and 15 deletions
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1
CHANGELOG.md
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@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Fixed
- Fixed the calculations of the exchange rate service by changing `USD` to the base currency
- Fixed the missing assets during the local development
## 1.192.0 - 11.09.2022

21
apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
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@ -183,10 +183,10 @@ export class YahooFinanceService implements DataProviderInterface {
for (const historicalItem of historicalResult) {
let marketPrice = historicalItem.close;
if (symbol === 'USDGBp') {
if (symbol === `${this.baseCurrency}GBp`) {
// Convert GPB to GBp (pence)
marketPrice = new Big(marketPrice).mul(100).toNumber();
} else if (symbol === 'USDILA') {
} else if (symbol === `${this.baseCurrency}ILA`) {
// Convert ILS to ILA
marketPrice = new Big(marketPrice).mul(100).toNumber();
}
@ -246,9 +246,12 @@ export class YahooFinanceService implements DataProviderInterface {
marketPrice: quote.regularMarketPrice || 0
};
if (symbol === 'USDGBP' && yahooFinanceSymbols.includes('USDGBp=X')) {
if (
symbol === `${this.baseCurrency}GBP` &&
yahooFinanceSymbols.includes(`${this.baseCurrency}GBp=X`)
) {
// Convert GPB to GBp (pence)
response['USDGBp'] = {
response[`${this.baseCurrency}GBp`] = {
...response[symbol],
currency: 'GBp',
marketPrice: new Big(response[symbol].marketPrice)
@ -256,11 +259,11 @@ export class YahooFinanceService implements DataProviderInterface {
.toNumber()
};
} else if (
symbol === 'USDILS' &&
yahooFinanceSymbols.includes('USDILA=X')
symbol === `${this.baseCurrency}ILS` &&
yahooFinanceSymbols.includes(`${this.baseCurrency}ILA=X`)
) {
// Convert ILS to ILA
response['USDILA'] = {
response[`${this.baseCurrency}ILA`] = {
...response[symbol],
currency: 'ILA',
marketPrice: new Big(response[symbol].marketPrice)
@ -270,9 +273,9 @@ export class YahooFinanceService implements DataProviderInterface {
}
}
if (yahooFinanceSymbols.includes('USDUSX=X')) {
if (yahooFinanceSymbols.includes(`${this.baseCurrency}USX=X`)) {
// Convert USD to USX (cent)
response['USDUSX'] = {
response[`${this.baseCurrency}USX`] = {
currency: 'USX',
dataSource: this.getName(),
marketPrice: new Big(1).mul(100).toNumber(),

16
apps/api/src/services/exchange-rate-data.service.ts
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@ -99,10 +99,12 @@ export class ExchangeRateDataService {
this.exchangeRates[symbol] = resultExtended[symbol]?.[date]?.marketPrice;
if (!this.exchangeRates[symbol]) {
// Not found, calculate indirectly via USD
// Not found, calculate indirectly via base currency
this.exchangeRates[symbol] =
resultExtended[`${currency1}${'USD'}`]?.[date]?.marketPrice *
resultExtended[`${'USD'}${currency2}`]?.[date]?.marketPrice;
resultExtended[`${currency1}${this.baseCurrency}`]?.[date]
?.marketPrice *
resultExtended[`${this.baseCurrency}${currency2}`]?.[date]
?.marketPrice;
// Calculate the opposite direction
this.exchangeRates[`${currency2}${currency1}`] =
@ -126,9 +128,11 @@ export class ExchangeRateDataService {
if (this.exchangeRates[`${aFromCurrency}${aToCurrency}`]) {
factor = this.exchangeRates[`${aFromCurrency}${aToCurrency}`];
} else {
// Calculate indirectly via USD
const factor1 = this.exchangeRates[`${aFromCurrency}${'USD'}`];
const factor2 = this.exchangeRates[`${'USD'}${aToCurrency}`];
// Calculate indirectly via base currency
const factor1 =
this.exchangeRates[`${aFromCurrency}${this.baseCurrency}`];
const factor2 =
this.exchangeRates[`${this.baseCurrency}${aToCurrency}`];
factor = factor1 * factor2;