add clear cache option in settings

smart7even · Aug 12, 2024 · 52273a5 · 52273a5
1 parent da563cd
commit 52273a5
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Showing 6 changed files with 105 additions and 6 deletions.
diff --git a/lib/feature/initialization/data/initialize_dependencies.dart b/lib/feature/initialization/data/initialize_dependencies.dart
@@ -47,14 +47,15 @@ final Map<String, _InitializationStep> _initializationSteps =
   'Log app open': (_) {},
   'Initialize shared preferences': (dependencies) async =>
       dependencies.sharedPreferences = await SharedPreferences.getInstance(),
+  'Initialize database': (dependencies) async =>
+      dependencies.database = MyDatabase(),
   'Initialize settings repository': (dependencies) async =>
       dependencies.settingsRepository = SettingsRepository(
         localDataProvider: SettingsLocalDataProvider(
           prefs: dependencies.sharedPreferences,
+          database: dependencies.database,
         ),
       ),
-  'Initialize database': (dependencies) async =>
-      dependencies.database = MyDatabase(),
   'Initialize dio': (dependencies) async => dependencies.dio = Dio(
         BaseOptions(
           baseUrl: serverAddress,

diff --git a/lib/feature/settings/data/settings_local_data_provider.dart b/lib/feature/settings/data/settings_local_data_provider.dart
@@ -1,6 +1,8 @@
 import 'dart:convert';
 
+import 'package:drift/drift.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:uneconly/common/database/database.dart';
 import 'package:uneconly/feature/select/model/group.dart';
 
 abstract class ISettingsLocalDataProvider {
@@ -13,10 +15,13 @@ abstract class ISettingsLocalDataProvider {
   Future<String?> getLanguage();
   Future<void> saveTheme(String theme);
   Future<String?> getTheme();
+  Future<void> clearAppCache();
+  Future<bool> isAppCacheEmpty();
 }
 
 class SettingsLocalDataProvider implements ISettingsLocalDataProvider {
   final SharedPreferences _prefs;
+  final MyDatabase _database;
 
   static const String _groupIdKey = 'groupId';
   static const String _groupNameKey = 'groupName';
@@ -26,8 +31,11 @@ class SettingsLocalDataProvider implements ISettingsLocalDataProvider {
   static const String _themeKey = 'theme';
   static const String _favoriteGroupsKey = 'favoriteGroups';
 
-  SettingsLocalDataProvider({required SharedPreferences prefs})
-      : _prefs = prefs;
+  SettingsLocalDataProvider({
+    required SharedPreferences prefs,
+    required MyDatabase database,
+  })  : _prefs = prefs,
+        _database = database;
 
   @override
   Future<Group?> getGroup() async {
@@ -145,4 +153,17 @@ class SettingsLocalDataProvider implements ISettingsLocalDataProvider {
 
     return;
   }
+
+  @override
+  Future<void> clearAppCache() async {
+    await _database.lessons.deleteAll();
+  }
+
+  @override
+  Future<bool> isAppCacheEmpty() async {
+    final lessonsCount = await _database.lessons.count().getSingle();
+    final isLessonsEmpty = lessonsCount == 0;
+
+    return isLessonsEmpty;
+  }
 }
diff --git a/lib/feature/settings/data/settings_repository.dart b/lib/feature/settings/data/settings_repository.dart
@@ -16,6 +16,8 @@ abstract class ISettingsRepository {
   Future<void> saveTheme(String theme);
   Future<String?> getTheme();
   Stream<String> getThemeChangedStream();
+  Future<void> clearAppCache();
+  Future<bool> isAppCacheEmpty();
 }
 
 class SettingsRepository implements ISettingsRepository {
@@ -93,4 +95,14 @@ class SettingsRepository implements ISettingsRepository {
   Future<void> removeGroupFromFavorites(Group group) {
     return _localDataProvider.removeGroupFromFavorites(group);
   }
+
+  @override
+  Future<void> clearAppCache() {
+    return _localDataProvider.clearAppCache();
+  }
+
+  @override
+  Future<bool> isAppCacheEmpty() {
+    return _localDataProvider.isAppCacheEmpty();
+  }
 }
diff --git a/lib/feature/settings/widget/settings_page.dart b/lib/feature/settings/widget/settings_page.dart
@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:l/l.dart';
 import 'package:uneconly/common/localization/localization.dart';
 import 'package:uneconly/common/model/dependencies.dart';
 import 'package:uneconly/common/utils/colors_utils.dart';
@@ -205,6 +206,60 @@ class _SettingsPageState extends State<SettingsPage> {
                       );
                     },
                   ),
+                  const SizedBox(height: 15),
+                  SettingsTile(
+                    title: AppLocalizations.of(context)!.cache,
+                    description: AppLocalizations.of(context)!.clearCache,
+                    onPressed: () async {
+                      final settingsRepository =
+                          Dependencies.of(context).settingsRepository;
+
+                      try {
+                        final isCacheEmpty =
+                            await settingsRepository.isAppCacheEmpty();
+
+                        if (isCacheEmpty) {
+                          l.vvvv('Nothing to clear');
+
+                          if (context.mounted) {
+                            ScaffoldMessenger.of(context).showSnackBar(
+                              SnackBar(
+                                content: Text(
+                                  AppLocalizations.of(context)!.cacheIsEmpty,
+                                ),
+                              ),
+                            );
+                          }
+
+                          return;
+                        }
+
+                        l.vvvv('Cache is not empty and may be cleared');
+                        await settingsRepository.clearAppCache();
+                        if (context.mounted) {
+                          ScaffoldMessenger.of(context).showSnackBar(
+                            SnackBar(
+                              content: Text(
+                                AppLocalizations.of(context)!.cacheIsCleared,
+                              ),
+                            ),
+                          );
+                        }
+                      } on Exception catch (e) {
+                        l.vvvv(e);
+                        if (context.mounted) {
+                          ScaffoldMessenger.of(context).showSnackBar(
+                            SnackBar(
+                              content: Text(
+                                AppLocalizations.of(context)!
+                                    .errorWhileCleaningCache,
+                              ),
+                            ),
+                          );
+                        }
+                      }
+                    },
+                  ),
                 ],
               ),
               const SizedBox(height: 15),

diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
@@ -41,5 +41,10 @@
     "noScheduleDescription": "Swipe left to see the schedule for the next week or right to see the schedule for the previous week",
     "licenses": "Licenses",
     "showLicenses": "View licenses list",
-    "appVersion": "App version"
+    "appVersion": "App version",
+    "cache": "Cache",
+    "clearCache": "Clear cache",
+    "cacheIsCleared": "Cache is successfully cleared!",
+    "errorWhileCleaningCache": "Unexpected error happened during cache clean. Try again later",
+    "cacheIsEmpty": "Cache is empty. Nothing to clean!"
 }
diff --git a/lib/l10n/app_ru.arb b/lib/l10n/app_ru.arb
@@ -38,5 +38,10 @@
     "noScheduleDescription": "Свайпните влево, чтобы посмотреть расписание на следующую неделю, или вправо, чтобы посмотреть на предыдущую",
     "licenses": "Лицензии",
     "showLicenses": "Посмотреть список лицензий",
-    "appVersion": "Версия приложения"
+    "appVersion": "Версия приложения",
+    "cache": "Кэш",
+    "clearCache": "Очистить кэш",
+    "cacheIsCleared": "Кэш успешно очищен!",
+    "errorWhileCleaningCache": "Возникла неожиданная ошибка при очистке кэша. Попробуйте снова",
+    "cacheIsEmpty": "Кэш уже пуст!"
 }