support setting exchange rate cache expiration time

src/DesktopApp.vue

@@ -114,6 +114,7 @@ window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', fun
 
 let localeDefaultSettings = initLocale(userStore.currentUserLanguage, settingsStore.appSettings.timeZone);
 settingsStore.updateLocalizedDefaultSettings(localeDefaultSettings);
+exchangeRatesStore.removeExpiredExchangeRates(true);
 
 setExpenseAndIncomeAmountColor(userStore.currentUserExpenseAmountColor, userStore.currentUserIncomeAmountColor);
 

src/MobileApp.vue

@@ -221,6 +221,7 @@ watch(currentNotificationContent, (newValue) => {
 
 let localeDefaultSettings = initLocale(userStore.currentUserLanguage, settingsStore.appSettings.timeZone);
 settingsStore.updateLocalizedDefaultSettings(localeDefaultSettings);
+exchangeRatesStore.removeExpiredExchangeRates(true);
 
 setExpenseAndIncomeAmountColor(userStore.currentUserExpenseAmountColor, userStore.currentUserIncomeAmountColor);
 

src/core/setting.ts

@@ -64,6 +64,7 @@ export interface ApplicationSettings extends BaseApplicationSetting {
     currencySortByInExchangeRatesPage: number;
     // Browser Cache Settings
     mapCacheExpiration: number,
+    exchangeRatesDataCacheExpiration: number,
     // Statistics Settings
     statistics: {
         defaultChartDataType: number;
@@ -191,6 +192,7 @@ export const DEFAULT_APPLICATION_SETTINGS: ApplicationSettings = {
     currencySortByInExchangeRatesPage: CurrencySortingType.Default.type,
     // Browser Cache Settings
     mapCacheExpiration: -1,
+    exchangeRatesDataCacheExpiration: 0,
     // Statistics Settings
     statistics: {
         defaultChartDataType: ChartDataType.Default.type,

src/locales/de.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Sind Sie sicher, dass Sie sich erneut anmelden möchten?",
     "Exchange Rates Data": "Wechselkursdaten",
     "User Custom": "User Custom",

src/locales/en.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Are you sure you want to re-login?",
     "Exchange Rates Data": "Exchange Rates Data",
     "User Custom": "User Custom",

src/locales/es.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "¿Seguro que deseas volver a iniciar sesión?",
     "Exchange Rates Data": "Tipos de Cambio",
     "User Custom": "User Custom",

src/locales/fr.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Êtes-vous sûr de vouloir vous reconnecter ?",
     "Exchange Rates Data": "Données de taux de change",
     "User Custom": "Personnalisé utilisateur",

src/locales/it.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Sei sicuro di voler accedere di nuovo?",
     "Exchange Rates Data": "Dati tassi di cambio",
     "User Custom": "User Custom",

src/locales/ja.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "再ログインしますか?",
     "Exchange Rates Data": "為替レートデータ",
     "User Custom": "User Custom",

src/locales/kn.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "ಮತ್ತೆ ಲಾಗಿನ್ ಮಾಡಲು ನೀವು ಖಚಿತವೇ?",
     "Exchange Rates Data": "ವಿನಿಮಯ ದರ ಡೇಟಾ",
     "User Custom": "ಬಳಕೆದಾರ ಕಸ್ಟಮ್",

src/locales/ko.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "다시 로그인하시겠습니까?",
     "Exchange Rates Data": "환율 데이터",
     "User Custom": "사용자 정의",

src/locales/nl.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Weet je zeker dat je opnieuw wilt inloggen?",
     "Exchange Rates Data": "Wisselkoersgegevens",
     "User Custom": "Gebruiker aangepast",

src/locales/pt_BR.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Tem certeza de que deseja fazer login novamente?",
     "Exchange Rates Data": "Dados de Taxas de Câmbio",
     "User Custom": "Personalização do Usuário",

src/locales/ru.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Вы уверены, что хотите войти снова?",
     "Exchange Rates Data": "Данные о курсах валют",
     "User Custom": "Пользовательские настройки",

src/locales/sl.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Ali ste prepričani, da se želite ponovno prijaviti?",
     "Exchange Rates Data": "Podatki o menjalnih tečajih",
     "User Custom": "Uporabniške nastavitve po meri",

src/locales/ta.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "மீண்டும் உள்நுழை செய்ய நீங்கள் உறுதியா?",
     "Exchange Rates Data": "மாற்று விகிதம் தரவு",
     "User Custom": "தனிப்பயன்",

src/locales/th.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "คุณแน่ใจหรือว่าต้องการเข้าสู่ระบบอีกครั้ง?",
     "Exchange Rates Data": "ข้อมูลอัตราแลกเปลี่ยน",
     "User Custom": "กำหนดเองโดยผู้ใช้",

src/locales/tr.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Tekrar giriş yapmak istediğinize emin misiniz?",
     "Exchange Rates Data": "Döviz Kuru Verileri",
     "User Custom": "Kullanıcı Özel",

src/locales/uk.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Ви впевнені, що хочете увійти знову?",
     "Exchange Rates Data": "Дані про курси валют",
     "User Custom": "User Custom",

src/locales/vi.json

@@ -2514,11 +2514,14 @@
     "Others": "Others",
     "Cache Expiration Time": "Cache Expiration Time",
     "Cache Expiration for Map Data": "Cache Expiration for Map Data",
-    "Disable Map Cache": "Disable Map Cache",
+    "Cache Expiration for Exchange Rates Data": "Cache Expiration for Exchange Rates Data",
+    "Disable Cache": "Disable Cache",
     "Clear All File Cache": "Clear All File Cache",
     "Are you sure you want to clear all file cache?": "Are you sure you want to clear all file cache?",
     "Clear Map Data Cache": "Clear Map Data Cache",
     "Are you sure you want to clear map data cache?": "Are you sure you want to clear map data cache?",
+    "Clear Exchange Rates Data Cache": "Clear Exchange Rates Data Cache",
+    "Are you sure you want to clear exchange rates data cache?": "Are you sure you want to clear exchange rates data cache?",
     "Are you sure you want to re-login?": "Bạn có chắc chắn muốn đăng nhập lại không?",
     "Exchange Rates Data": "Dữ liệu tỷ giá hối đoái",
     "User Custom": "User Custom",

src/locales/zh_Hans.json

@@ -2514,11 +2514,14 @@
     "Others": "其他",
     "Cache Expiration Time": "缓存过期时间",
     "Cache Expiration for Map Data": "地图数据缓存过期时间",
-    "Disable Map Cache": "禁用地图缓存",
+    "Cache Expiration for Exchange Rates Data": "汇率数据缓存过期时间",
+    "Disable Cache": "禁用缓存",
     "Clear All File Cache": "清除所有文件缓存",
     "Are you sure you want to clear all file cache?": "您确定要清除所有文件缓存？",
     "Clear Map Data Cache": "清除地图数据缓存",
     "Are you sure you want to clear map data cache?": "您确定要清除地图数据缓存？",
+    "Clear Exchange Rates Data Cache": "清除汇率数据缓存",
+    "Are you sure you want to clear exchange rates data cache?": "您确定要清除汇率数据缓存？",
     "Are you sure you want to re-login?": "您确定要重新登录？",
     "Exchange Rates Data": "汇率数据",
     "User Custom": "用户自定义",

src/locales/zh_Hant.json

@@ -2514,11 +2514,14 @@
     "Others": "其他",
     "Cache Expiration Time": "快取過期時間",
     "Cache Expiration for Map Data": "地圖資料快取過期時間",
-    "Disable Map Cache": "停用地圖快取",
+    "Cache Expiration for Exchange Rates Data": "匯率資料快取過期時間",
+    "Disable Cache": "停用快取",
     "Clear All File Cache": "清除所有檔案快取",
     "Are you sure you want to clear all file cache?": "您確定要清除所有檔案快取？",
     "Clear Map Data Cache": "清除地圖資料快取",
     "Are you sure you want to clear map data cache?": "您確定要清除地圖資料快取？",
+    "Clear Exchange Rates Data Cache": "清除匯率資料快取",
+    "Are you sure you want to clear exchange rates data cache?": "您確定要清除匯率資料快取？",
     "Are you sure you want to re-login?": "您確定要重新登入？",
     "Exchange Rates Data": "匯率資料",
     "User Custom": "使用者自訂",

src/stores/exchangeRates.ts

@@ -1,6 +1,8 @@
 import { ref, computed } from 'vue';
 import { defineStore } from 'pinia';
 
+import { useSettingsStore } from './setting.ts';
+
 import { type BeforeResolveFunction, itemAndIndex } from '@/core/base.ts';
 
 import type {
@@ -47,8 +49,12 @@ function clearExchangeRatesFromLocalStorage(): void {
 }
 
 export const useExchangeRatesStore = defineStore('exchangeRates', () => {
+    const settingsStore = useSettingsStore();
+
     const latestExchangeRates = ref<LatestExchangeRates>(getExchangeRatesFromLocalStorage());
 
+    const exchangeRatesDataCacheEnabled = computed<boolean>(() => settingsStore.appSettings.exchangeRatesDataCacheExpiration >= 0);
+
     const isUserCustomExchangeRates = computed((): boolean => {
         if (!latestExchangeRates.value || !latestExchangeRates.value.data) {
             return false;
@@ -99,7 +105,7 @@ export const useExchangeRatesStore = defineStore('exchangeRates', () => {
 
         latestExchangeRates.value.data.updateTime = updateTime;
 
-        if (changed) {
+        if (exchangeRatesDataCacheEnabled.value && changed) {
             setExchangeRatesToLocalStorage(latestExchangeRates.value);
         }
     }
@@ -120,7 +126,7 @@ export const useExchangeRatesStore = defineStore('exchangeRates', () => {
             }
         }
 
-        if (changed) {
+        if (exchangeRatesDataCacheEnabled.value && changed) {
             setExchangeRatesToLocalStorage(latestExchangeRates.value);
         }
     }
@@ -135,6 +141,29 @@ export const useExchangeRatesStore = defineStore('exchangeRates', () => {
         return new Blob([storageData]).size;
     }
 
+    function removeExpiredExchangeRates(removeDataInStore?: boolean): void {
+        if (settingsStore.appSettings.exchangeRatesDataCacheExpiration > 0) {
+            const currentExchangeRateData = latestExchangeRates.value;
+            const now = getCurrentUnixTime();
+
+            if (currentExchangeRateData && currentExchangeRateData.time) {
+                if (now - currentExchangeRateData.time >= settingsStore.appSettings.exchangeRatesDataCacheExpiration) {
+                    if (removeDataInStore) {
+                        resetLatestExchangeRates();
+                    } else {
+                        clearExchangeRatesFromLocalStorage();
+                    }
+                }
+            }
+        } else if (settingsStore.appSettings.exchangeRatesDataCacheExpiration < 0) { // Disable Cache
+            if (removeDataInStore) {
+                resetLatestExchangeRates();
+            } else {
+                clearExchangeRatesFromLocalStorage();
+            }
+        }
+    }
+
     function resetLatestExchangeRates(): void {
         latestExchangeRates.value = {};
         clearExchangeRatesFromLocalStorage();
@@ -172,11 +201,13 @@ export const useExchangeRatesStore = defineStore('exchangeRates', () => {
                     return;
                 }
 
-                latestExchangeRates.value = {
-                    time: now,
-                    data: data.result
-                };
-                setExchangeRatesToLocalStorage(latestExchangeRates.value);
+                if (exchangeRatesDataCacheEnabled.value) {
+                    latestExchangeRates.value = {
+                        time: now,
+                        data: data.result
+                    };
+                    setExchangeRatesToLocalStorage(latestExchangeRates.value);
+                }
 
                 resolve(data.result);
             }).catch(error => {
@@ -298,6 +329,7 @@ export const useExchangeRatesStore = defineStore('exchangeRates', () => {
         latestExchangeRateMap,
         // functions
         getExchangeRatesCacheSize,
+        removeExpiredExchangeRates,
         resetLatestExchangeRates,
         getLatestExchangeRates,
         updateUserCustomExchangeRate,

src/stores/setting.ts

@@ -316,6 +316,11 @@ export const useSettingsStore = defineStore('settings', () => {
         appSettings.value.mapCacheExpiration = value;
     }
 
+    function setExchangeRatesDataCacheExpiration(value: number): void {
+        updateApplicationSettingsValue('exchangeRatesDataCacheExpiration', value);
+        appSettings.value.exchangeRatesDataCacheExpiration = value;
+    }
+
     // Statistics Settings
     function setStatisticsDefaultChartDataType(value: number): void {
         updateApplicationSettingsSubValue('statistics', 'defaultChartDataType', value);
@@ -539,6 +544,7 @@ export const useSettingsStore = defineStore('settings', () => {
         setCurrencySortByInExchangeRatesPage,
         // -- Browser Cache Settings
         setMapCacheExpiration,
+        setExchangeRatesDataCacheExpiration,
         // -- Statistics Settings
         setStatisticsDefaultChartDataType,
         setStatisticsDefaultTimezoneType,

src/views/base/settings/AppBrowserCacheSettingPageBase.ts

@@ -0,0 +1,112 @@
+import { ref, computed } from 'vue';
+
+import { useI18n } from '@/locales/helpers.ts';
+
+import { useSettingsStore } from '@/stores/setting.ts';
+import { useExchangeRatesStore } from '@/stores/exchangeRates.ts';
+
+import { type NameNumeralValue } from '@/core/base.ts';
+import { type BrowserCacheStatistics } from '@/core/cache.ts';
+
+import {
+    loadBrowserCacheStatistics,
+    updateMapCacheExpiration,
+    clearMapDataCache,
+    clearAllBrowserCaches
+} from '@/lib/cache.ts';
+
+export function useAppBrowserCacheSettingPageBase() {
+    const { tt, formatNumberToLocalizedNumerals } = useI18n();
+
+    const isSupportedFileCache: boolean = 'serviceWorker' in navigator && !!navigator.serviceWorker.controller;
+
+    const settingsStore = useSettingsStore();
+    const exchangeRatesStore = useExchangeRatesStore();
+
+    const loading = ref<boolean>(true);
+    const fileCacheStatistics = ref<BrowserCacheStatistics | undefined>(undefined);
+    const exchangeRatesCacheSize = ref<number | undefined>(undefined);
+
+    const allMapCacheExpirationOptions = computed<NameNumeralValue[]>(() => {
+        return [
+            { name: tt('Disable Cache'), value: -1 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(1) }), value: 86400 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(7) }), value: 604800 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(30) }), value: 2592000 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(90) }), value: 7776000 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(180) }), value: 15552000 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(365) }), value: 31536000 },
+            { name: tt('No Expiration'), value: 0 }
+        ];
+    });
+
+    const allExchangeRatesDataCacheExpirationOptions = computed<NameNumeralValue[]>(() => {
+        return [
+            { name: tt('Disable Cache'), value: -1 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(1) }), value: 86400 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(7) }), value: 604800 },
+            { name: tt('format.misc.nDays', { n: formatNumberToLocalizedNumerals(30) }), value: 2592000 },
+            { name: tt('No Expiration'), value: 0 }
+        ];
+    });
+
+    const mapCacheExpiration = computed<number>({
+        get: () => isSupportedFileCache ? settingsStore.appSettings.mapCacheExpiration : -1,
+        set: (value) => {
+            settingsStore.setMapCacheExpiration(value);
+
+            if (isSupportedFileCache) {
+                updateMapCacheExpiration(value);
+            }
+        }
+    });
+
+    const exchangeRatesDataCacheExpiration = computed<number>({
+        get: () => settingsStore.appSettings.exchangeRatesDataCacheExpiration,
+        set: (value) => {
+            settingsStore.setExchangeRatesDataCacheExpiration(value);
+            exchangeRatesStore.removeExpiredExchangeRates(true);
+            exchangeRatesCacheSize.value = exchangeRatesStore.getExchangeRatesCacheSize();
+        }
+    });
+
+    function loadCacheStatistics(): Promise<void> {
+        return new Promise((resolve, reject) => {
+            loading.value = true;
+
+            loadBrowserCacheStatistics().then(statistics => {
+                fileCacheStatistics.value = statistics;
+                exchangeRatesCacheSize.value = exchangeRatesStore.getExchangeRatesCacheSize();
+                loading.value = false;
+                resolve();
+            }).catch(error => {
+                loading.value = false;
+                reject(error);
+            });
+        });
+    }
+
+    function clearExchangeRatesDataCache(): void {
+        exchangeRatesStore.resetLatestExchangeRates();
+        exchangeRatesCacheSize.value = exchangeRatesStore.getExchangeRatesCacheSize();
+    }
+
+    return {
+        // constants
+        isSupportedFileCache,
+        // states
+        loading,
+        fileCacheStatistics,
+        exchangeRatesCacheSize,
+        // computed states
+        allMapCacheExpirationOptions,
+        allExchangeRatesDataCacheExpirationOptions,
+        mapCacheExpiration,
+        exchangeRatesDataCacheExpiration,
+        // functions
+        loadCacheStatistics,
+        clearMapDataCache,
+        clearAllBrowserCaches,
+        clearExchangeRatesDataCache
+    };
+}

src/views/desktop/app/settings/tabs/AppBrowserCacheSettingTab.vue

@@ -92,6 +92,13 @@
                     <span class="text-body-1">{{ tt('Used storage') }}</span>
                     <span class="text-xl ms-1">{{ formatVolumeToLocalizedNumerals(exchangeRatesCacheSize ?? 0, 2) }}</span>
                 </v-card-text>
+
+                <v-card-text class="mt-2">
+                    <v-btn color="secondary" variant="tonal"
+                           :disabled="loading || !exchangeRatesCacheSize" @click="clearExchangeRatesCache()">
+                        {{ tt('Clear Exchange Rates Data Cache') }}
+                    </v-btn>
+                </v-card-text>
             </v-card>
         </v-col>
 
@@ -112,6 +119,18 @@
                                     v-model="mapCacheExpiration"
                                 />
                             </v-col>
+                            <v-col cols="12" sm="6">
+                                <v-select
+                                    item-title="name"
+                                    item-value="value"
+                                    persistent-placeholder
+                                    :disabled="loading"
+                                    :label="tt('Cache Expiration for Exchange Rates Data')"
+                                    :placeholder="tt('Cache Expiration for Exchange Rates Data')"
+                                    :items="allExchangeRatesDataCacheExpirationOptions"
+                                    v-model="exchangeRatesDataCacheExpiration"
+                                />
+                            </v-col>
                         </v-row>
                     </v-card-text>
                 </v-form>
@@ -155,10 +174,13 @@ const {
     fileCacheStatistics,
     exchangeRatesCacheSize,
     allMapCacheExpirationOptions,
+    allExchangeRatesDataCacheExpirationOptions,
     mapCacheExpiration,
+    exchangeRatesDataCacheExpiration,
     loadCacheStatistics,
     clearMapDataCache,
-    clearAllBrowserCaches
+    clearAllBrowserCaches,
+    clearExchangeRatesDataCache
 } = useAppBrowserCacheSettingPageBase();
 
 const confirmDialog = useTemplateRef<ConfirmDialogType>('confirmDialog');
@@ -179,5 +201,11 @@ function clearAllFileCache(): void {
     });
 }
 
+function clearExchangeRatesCache(): void {
+    confirmDialog.value?.open('Are you sure you want to clear exchange rates data cache?').then(() => {
+        clearExchangeRatesDataCache();
+    });
+}
+
 loadCacheStatistics();
 </script>

src/views/mobile/settings/BrowserCacheSettingPage.vue

@@ -4,7 +4,7 @@
             <f7-nav-left :class="{ 'disabled': loading }" :back-link="tt('Back')"></f7-nav-left>
             <f7-nav-title :title="tt('Browser Cache Management')"></f7-nav-title>
             <f7-nav-right :class="{ 'disabled': loading }">
-                <f7-link icon-f7="ellipsis" :class="{ 'disabled': loading || !isSupportedFileCache || !fileCacheStatistics }" @click="showMoreActionSheet = true"></f7-link>
+                <f7-link icon-f7="ellipsis" :class="{ 'disabled': loading || ((!isSupportedFileCache || !fileCacheStatistics) && !exchangeRatesCacheSize) }" @click="showMoreActionSheet = true"></f7-link>
             </f7-nav-right>
         </f7-navbar>
 
@@ -30,7 +30,8 @@
             <f7-list-item group-title :sortable="false">
                 <small>{{ tt('Cache Expiration Time') }}</small>
             </f7-list-item>
-            <f7-list-item title="Map Data" after="Disable Map Cache" v-if="getMapProvider()"></f7-list-item>
+            <f7-list-item title="Map Data" after="Disable Cache" v-if="getMapProvider()"></f7-list-item>
+            <f7-list-item title="Exchange Rates Data" after="Disable Cache"></f7-list-item>
         </f7-list>
 
         <f7-list strong inset dividers class="margin-vertical" v-if="!loading && isSupportedFileCache">
@@ -75,6 +76,25 @@
                                            v-model="mapCacheExpiration">
                 </list-item-selection-popup>
             </f7-list-item>
+            <f7-list-item
+                link="#"
+                :class="{ 'disabled': loading }"
+                :title="tt('Exchange Rates Data')"
+                :after="findNameByValue(allExchangeRatesDataCacheExpirationOptions, exchangeRatesDataCacheExpiration)"
+                @click="showExchangeRatesDataCacheExpirationPopup = true"
+            >
+                <list-item-selection-popup value-type="item"
+                                           key-field="value" value-field="value"
+                                           title-field="name"
+                                           :title="tt('Cache Expiration for Exchange Rates Data')"
+                                           :enable-filter="true"
+                                           :filter-placeholder="tt('Expiration Time')"
+                                           :filter-no-items-text="tt('No results')"
+                                           :items="allExchangeRatesDataCacheExpirationOptions"
+                                           v-model:show="showExchangeRatesDataCacheExpirationPopup"
+                                           v-model="exchangeRatesDataCacheExpiration">
+                </list-item-selection-popup>
+            </f7-list-item>
         </f7-list>
 
         <f7-actions close-by-outside-click close-on-escape :opened="showMoreActionSheet" @actions:closed="showMoreActionSheet = false">
@@ -84,6 +104,10 @@
                 <f7-actions-button :class="{ 'disabled': loading || !isSupportedFileCache || !fileCacheStatistics }"
                                    @click="clearAllFileCache">{{ tt('Clear All File Cache') }}</f7-actions-button>
             </f7-actions-group>
+            <f7-actions-group>
+                <f7-actions-button :class="{ 'disabled': loading || !exchangeRatesCacheSize }"
+                                   @click="clearExchangeRatesCache">{{ tt('Clear Exchange Rates Data Cache') }}</f7-actions-button>
+            </f7-actions-group>
             <f7-actions-group>
                 <f7-actions-button bold close>{{ tt('Cancel') }}</f7-actions-button>
             </f7-actions-group>
@@ -112,13 +136,17 @@ const {
     fileCacheStatistics,
     exchangeRatesCacheSize,
     allMapCacheExpirationOptions,
+    allExchangeRatesDataCacheExpirationOptions,
     mapCacheExpiration,
+    exchangeRatesDataCacheExpiration,
     loadCacheStatistics,
     clearMapDataCache,
-    clearAllBrowserCaches
+    clearAllBrowserCaches,
+    clearExchangeRatesDataCache
 } = useAppBrowserCacheSettingPageBase();
 
 const showMapDataCacheExpirationPopup = ref<boolean>(false);
+const showExchangeRatesDataCacheExpirationPopup = ref<boolean>(false);
 const showMoreActionSheet = ref<boolean>(false);
 
 function reloadCacheStatistics(done?: () => void): void {
@@ -149,5 +177,11 @@ function clearAllFileCache(): void {
     });
 }
 
+function clearExchangeRatesCache(): void {
+    showConfirm('Are you sure you want to clear exchange rates data cache?', () => {
+        clearExchangeRatesDataCache();
+    });
+}
+
 loadCacheStatistics();
 </script>