Add reset options to danger zone

lib/database/actions.dart

@@ -3,6 +3,18 @@ import 'package:tattoo/database/database.dart';
 
 /// Reusable database operations shared across repositories.
 extension DatabaseActions on AppDatabase {
+  /// Drops and recreates all tables, fully resetting the database.
+  Future<void> deleteEverything() async {
+    await transaction(() async {
+      final m = Migrator(this);
+      final reversed = allSchemaEntities.toList().reversed;
+      for (final entity in reversed) {
+        await m.drop(entity);
+      }
+      await m.createAll();
+    });
+  }
+
   /// Returns the ID of an existing semester row, or creates one if missing.
   Future<int> getOrCreateSemester(int year, int term) async {
     return (await into(semesters).insertReturning(

lib/i18n/en-US.i18n.yaml

@@ -79,6 +79,17 @@ profile:
       - order 1 asdfghjkl
       - order 1 bowl of fried rice
       - get kicked out by the staff
+    clearCache: Clear Cache
+    clearCookies: Clear Cookies
+    clearPreferences: Clear Preferences
+    clearUserData: Clear User Data
+    cleared: ${item} cleared
+    clearFailed: Failed to clear ${item}
+    items:
+      cache: Cache
+      cookies: Cookies
+      preferences: Preferences
+      userData: User data
 enrollmentStatus:
   learning: Enrolled
   leaveOfAbsence: Leave of Absence

lib/i18n/strings.g.dart

@@ -4,7 +4,7 @@
 /// To regenerate, run: `dart run slang`
 ///
 /// Locales: 2
-/// Strings: 154 (77 per locale)
+/// Strings: 174 (87 per locale)
 
 // coverage:ignore-file
 // ignore_for_file: type=lint, unused_import

lib/i18n/strings_en_US.g.dart

@@ -263,6 +263,13 @@ class _TranslationsProfileDangerZoneEnUs extends TranslationsProfileDangerZoneZh
 		'order 1 bowl of fried rice',
 		'get kicked out by the staff',
 	];
+	@override String get clearCache => 'Clear Cache';
+	@override String get clearCookies => 'Clear Cookies';
+	@override String get clearPreferences => 'Clear Preferences';
+	@override String get clearUserData => 'Clear User Data';
+	@override String cleared({required Object item}) => '${item} cleared';
+	@override String clearFailed({required Object item}) => 'Failed to clear ${item}';
+	@override late final _TranslationsProfileDangerZoneItemsEnUs items = _TranslationsProfileDangerZoneItemsEnUs._(_root);
 }
 
 // Path: intro.features.courseTable
@@ -298,6 +305,19 @@ class _TranslationsIntroFeaturesCampusLifeEnUs extends TranslationsIntroFeatures
 	@override String get description => 'Access campus life information, with more features coming soon.';
 }
 
+// Path: profile.dangerZone.items
+class _TranslationsProfileDangerZoneItemsEnUs extends TranslationsProfileDangerZoneItemsZhTw {
+	_TranslationsProfileDangerZoneItemsEnUs._(TranslationsEnUs root) : this._root = root, super.internal(root);
+
+	final TranslationsEnUs _root; // ignore: unused_field
+
+	// Translations
+	@override String get cache => 'Cache';
+	@override String get cookies => 'Cookies';
+	@override String get preferences => 'Preferences';
+	@override String get userData => 'User data';
+}
+
 /// The flat map containing all translations for locale <en-US>.
 /// Only for edge cases! For simple maps, use the map function of this library.
 ///
@@ -371,6 +391,16 @@ extension on TranslationsEnUs {
 			'profile.dangerZone.actions.4' => 'order 1 asdfghjkl',
 			'profile.dangerZone.actions.5' => 'order 1 bowl of fried rice',
 			'profile.dangerZone.actions.6' => 'get kicked out by the staff',
+			'profile.dangerZone.clearCache' => 'Clear Cache',
+			'profile.dangerZone.clearCookies' => 'Clear Cookies',
+			'profile.dangerZone.clearPreferences' => 'Clear Preferences',
+			'profile.dangerZone.clearUserData' => 'Clear User Data',
+			'profile.dangerZone.cleared' => ({required Object item}) => '${item} cleared',
+			'profile.dangerZone.clearFailed' => ({required Object item}) => 'Failed to clear ${item}',
+			'profile.dangerZone.items.cache' => 'Cache',
+			'profile.dangerZone.items.cookies' => 'Cookies',
+			'profile.dangerZone.items.preferences' => 'Preferences',
+			'profile.dangerZone.items.userData' => 'User data',
 			'enrollmentStatus.learning' => 'Enrolled',
 			'enrollmentStatus.leaveOfAbsence' => 'Leave of Absence',
 			'enrollmentStatus.droppedOut' => 'Withdrawn',

lib/i18n/strings_zh_TW.g.dart

@@ -394,6 +394,26 @@ class TranslationsProfileDangerZoneZhTw {
 		'點1碗炒飯',
 		'跑進吧檯被店員拖出去',
 	];
+
+	/// zh-TW: '清除快取'
+	String get clearCache => '清除快取';
+
+	/// zh-TW: '清除Cookies'
+	String get clearCookies => '清除Cookies';
+
+	/// zh-TW: '清除偏好設定'
+	String get clearPreferences => '清除偏好設定';
+
+	/// zh-TW: '清除使用者資料'
+	String get clearUserData => '清除使用者資料';
+
+	/// zh-TW: '已清除${item}'
+	String cleared({required Object item}) => '已清除${item}';
+
+	/// zh-TW: '清除${item}失敗'
+	String clearFailed({required Object item}) => '清除${item}失敗';
+
+	late final TranslationsProfileDangerZoneItemsZhTw items = TranslationsProfileDangerZoneItemsZhTw.internal(_root);
 }
 
 // Path: intro.features.courseTable
@@ -441,6 +461,27 @@ class TranslationsIntroFeaturesCampusLifeZhTw {
 	String get description => '彙整其他校園生活資訊，更多功能敬請期待。';
 }
 
+// Path: profile.dangerZone.items
+class TranslationsProfileDangerZoneItemsZhTw {
+	TranslationsProfileDangerZoneItemsZhTw.internal(this._root);
+
+	final Translations _root; // ignore: unused_field
+
+	// Translations
+
+	/// zh-TW: '快取'
+	String get cache => '快取';
+
+	/// zh-TW: 'Cookies'
+	String get cookies => 'Cookies';
+
+	/// zh-TW: '偏好設定'
+	String get preferences => '偏好設定';
+
+	/// zh-TW: '使用者資料'
+	String get userData => '使用者資料';
+}
+
 /// The flat map containing all translations for locale <zh-TW>.
 /// Only for edge cases! For simple maps, use the map function of this library.
 ///
@@ -514,6 +555,16 @@ extension on Translations {
 			'profile.dangerZone.actions.4' => '點1份asdfghjkl',
 			'profile.dangerZone.actions.5' => '點1碗炒飯',
 			'profile.dangerZone.actions.6' => '跑進吧檯被店員拖出去',
+			'profile.dangerZone.clearCache' => '清除快取',
+			'profile.dangerZone.clearCookies' => '清除Cookies',
+			'profile.dangerZone.clearPreferences' => '清除偏好設定',
+			'profile.dangerZone.clearUserData' => '清除使用者資料',
+			'profile.dangerZone.cleared' => ({required Object item}) => '已清除${item}',
+			'profile.dangerZone.clearFailed' => ({required Object item}) => '清除${item}失敗',
+			'profile.dangerZone.items.cache' => '快取',
+			'profile.dangerZone.items.cookies' => 'Cookies',
+			'profile.dangerZone.items.preferences' => '偏好設定',
+			'profile.dangerZone.items.userData' => '使用者資料',
 			'enrollmentStatus.learning' => '在學',
 			'enrollmentStatus.leaveOfAbsence' => '休學',
 			'enrollmentStatus.droppedOut' => '退學',

lib/i18n/zh-TW.i18n.yaml

@@ -79,6 +79,17 @@ profile:
       - 點1份asdfghjkl
       - 點1碗炒飯
       - 跑進吧檯被店員拖出去
+    clearCache: 清除快取
+    clearCookies: 清除Cookies
+    clearPreferences: 清除偏好設定
+    clearUserData: 清除使用者資料
+    cleared: 已清除${item}
+    clearFailed: 清除${item}失敗
+    items:
+      cache: 快取
+      cookies: Cookies
+      preferences: 偏好設定
+      userData: 使用者資料
 enrollmentStatus:
   learning: 在學
   leaveOfAbsence: 休學

lib/screens/main/profile/profile_danger_zone.dart

@@ -1,17 +1,97 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:path_provider/path_provider.dart';
 import 'package:tattoo/components/option_entry_tile.dart';
 import 'package:tattoo/components/section_header.dart';
+import 'package:tattoo/database/database.dart';
 import 'package:tattoo/i18n/strings.g.dart';
 import 'package:tattoo/repositories/preferences_repository.dart';
 import 'package:tattoo/screens/main/profile/profile_providers.dart';
+import 'package:tattoo/utils/http.dart';
+import 'package:tattoo/utils/shared_preferences.dart';
 
 class ProfileDangerZone extends ConsumerWidget {
   const ProfileDangerZone({super.key});
 
   static const Color dangerColor = Colors.red;
 
+  Future<void> _clear(
+    BuildContext context,
+    String item,
+    Future<void> Function() action,
+  ) async {
+    try {
+      await action();
+    } catch (e) {
+      if (context.mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(t.profile.dangerZone.clearFailed(item: item))),
+        );
+      }
+      rethrow;
+    }
+    if (context.mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(t.profile.dangerZone.cleared(item: item))),
+      );
+    }
+  }
+
+  void _goAction(String action) {
+    if (action == t.profile.dangerZone.actions.last) {
+      SystemNavigator.pop();
+    } else {
+      throw Exception(t.profile.dangerZone.fireMessage);
+    }
+  }
+
+  void _triggerNonFlutterCrash() {
+    Future.delayed(Duration.zero, () {
+      throw Exception(t.profile.dangerZone.nonFlutterCrashException);
+    });
+  }
+
+  Future<void> _clearCache(BuildContext context) => _clear(
+    context,
+    t.profile.dangerZone.items.cache,
+    () async {
+      final cacheDir = await getApplicationCacheDirectory();
+      if (await cacheDir.exists()) {
+        await for (final entity in cacheDir.list()) {
+          await entity.delete(recursive: true);
+        }
+      }
+    },
+  );
+
+  Future<void> _clearCookies(BuildContext context) => _clear(
+    context,
+    t.profile.dangerZone.items.cookies,
+    () async {
+      await cookieJar.deleteAll();
+    },
+  );
+
+  Future<void> _clearPreferences(BuildContext context, WidgetRef ref) => _clear(
+    context,
+    t.profile.dangerZone.items.preferences,
+    () async {
+      await ref.read(sharedPreferencesProvider).clear();
+    },
+  );
+
+  Future<void> _clearUserData(BuildContext context, WidgetRef ref) => _clear(
+    context,
+    t.profile.dangerZone.items.userData,
+    () async {
+      await ref.read(databaseProvider).deleteEverything();
+      await cookieJar.deleteAll();
+      await const FlutterSecureStorage().deleteAll();
+    },
+  );
+
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final prefs = ref.watch(preferencesRepositoryProvider);
@@ -35,26 +115,42 @@ class ProfileDangerZone extends ConsumerWidget {
               title: t.profile.dangerZone.goAction(action: action),
               color: dangerColor,
               borderColor: dangerColor,
-              onTap: () {
-                if (action == t.profile.dangerZone.actions.last) {
-                  SystemNavigator.pop();
-                } else {
-                  throw Exception(t.profile.dangerZone.fireMessage);
-                }
-              },
+              onTap: () => _goAction(action),
             ),
             OptionEntryTile.icon(
               icon: Icons.bug_report_outlined,
               title: t.profile.dangerZone.nonFlutterCrash,
               color: dangerColor,
               borderColor: dangerColor,
-              onTap: () {
-                Future.delayed(Duration.zero, () {
-                  throw Exception(
-                    t.profile.dangerZone.nonFlutterCrashException,
-                  );
-                });
-              },
+              onTap: _triggerNonFlutterCrash,
+            ),
+            OptionEntryTile.icon(
+              icon: Icons.cached_outlined,
+              title: t.profile.dangerZone.clearCache,
+              color: dangerColor,
+              borderColor: dangerColor,
+              onTap: () => _clearCache(context),
+            ),
+            OptionEntryTile.icon(
+              icon: Icons.cookie_outlined,
+              title: t.profile.dangerZone.clearCookies,
+              color: dangerColor,
+              borderColor: dangerColor,
+              onTap: () => _clearCookies(context),
+            ),
+            OptionEntryTile.icon(
+              icon: Icons.settings_backup_restore_outlined,
+              title: t.profile.dangerZone.clearPreferences,
+              color: dangerColor,
+              borderColor: dangerColor,
+              onTap: () => _clearPreferences(context, ref),
+            ),
+            OptionEntryTile.icon(
+              icon: Icons.delete_forever_outlined,
+              title: t.profile.dangerZone.clearUserData,
+              color: dangerColor,
+              borderColor: dangerColor,
+              onTap: () => _clearUserData(context, ref),
             ),
           ],
         );