code refactor

src/lib/currency.js

@@ -83,3 +83,33 @@ export function getExchangedAmount(amount, fromRate, toRate) {
 
     return amount * exchangeRate;
 }
+
+export function getConvertedAmount(baseAmount, fromExchangeRate, toExchangeRate) {
+    if (!fromExchangeRate || !toExchangeRate) {
+        return '';
+    }
+
+    if (baseAmount === '') {
+        return 0;
+    }
+
+    return getExchangedAmount(baseAmount, fromExchangeRate.rate, toExchangeRate.rate);
+}
+
+export function getDisplayExchangeRateAmount(rateStr, isEnableThousandsSeparator) {
+    if (rateStr.indexOf('.') < 0) {
+        return appendThousandsSeparator(rateStr, isEnableThousandsSeparator);
+    } else {
+        let firstNonZeroPos = 0;
+
+        for (let i = 0; i < rateStr.length; i++) {
+            if (rateStr.charAt(i) !== '.' && rateStr.charAt(i) !== '0') {
+                firstNonZeroPos = Math.min(i + 4, rateStr.length);
+                break;
+            }
+        }
+
+        const trimmedRateStr = rateStr.substring(0, Math.max(6, Math.max(firstNonZeroPos, rateStr.indexOf('.') + 2)));
+        return appendThousandsSeparator(trimmedRateStr, isEnableThousandsSeparator);
+    }
+}

src/lib/i18n.js

@@ -627,6 +627,30 @@ function getAllTransactionEditScopeTypes(translateFn) {
     }];
 }
 
+function getAllDisplayExchangeRates(exchangeRatesData, translateFn) {
+    if (!exchangeRatesData || !exchangeRatesData.exchangeRates) {
+        return [];
+    }
+
+    const availableExchangeRates = [];
+
+    for (let i = 0; i < exchangeRatesData.exchangeRates.length; i++) {
+        const exchangeRate = exchangeRatesData.exchangeRates[i];
+
+        availableExchangeRates.push({
+            currencyCode: exchangeRate.currency,
+            currencyDisplayName: translateFn(`currency.${exchangeRate.currency}`),
+            rate: exchangeRate.rate
+        });
+    }
+
+    availableExchangeRates.sort(function(c1, c2) {
+        return c1.currencyDisplayName.localeCompare(c2.currencyDisplayName);
+    })
+
+    return availableExchangeRates;
+}
+
 function getEnableDisableOptions(translateFn) {
     return [{
         value: true,
@@ -906,6 +930,7 @@ export function i18nFunctions(i18nGlobal) {
         getAllStatisticsChartDataTypes: () => getAllStatisticsChartDataTypes(i18nGlobal.t),
         getAllStatisticsSortingTypes: () => getAllStatisticsSortingTypes(i18nGlobal.t),
         getAllTransactionEditScopeTypes: () => getAllTransactionEditScopeTypes(i18nGlobal.t),
+        getAllDisplayExchangeRates: (exchangeRatesData) => getAllDisplayExchangeRates(exchangeRatesData, i18nGlobal.t),
         getEnableDisableOptions: () => getEnableDisableOptions(i18nGlobal.t),
         getDisplayCurrency: (value, currencyCode, options) => getDisplayCurrency(value, currencyCode, options, i18nGlobal.t),
         setLanguage: (locale, force) => setLanguage(i18nGlobal, locale, force),