Merge pull request #108 from ImranR98/logging

Added basic logging - mainly just for the BG task and errors right now.

lib/custom_errors.dart

@@ -1,4 +1,6 @@
 import 'package:flutter/material.dart';
+import 'package:obtainium/providers/logs_provider.dart';
+import 'package:provider/provider.dart';
 
 class ObtainiumError {
   late String message;
@@ -75,6 +77,8 @@ class MultiAppMultiError extends ObtainiumError {
 }
 
 showError(dynamic e, BuildContext context) {
+  Provider.of<LogsProvider>(context, listen: false)
+      .add(e.toString(), level: LogLevels.error);
   if (e is String || (e is ObtainiumError && !e.unexpected)) {
     ScaffoldMessenger.of(context).showSnackBar(
       SnackBar(content: Text(e.toString())),

lib/main.dart

@@ -6,6 +6,7 @@ import 'package:flutter/services.dart';
 import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/pages/home.dart';
 import 'package:obtainium/providers/apps_provider.dart';
+import 'package:obtainium/providers/logs_provider.dart';
 import 'package:obtainium/providers/notifications_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
 import 'package:obtainium/providers/source_provider.dart';
@@ -15,7 +16,7 @@ import 'package:dynamic_color/dynamic_color.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:android_alarm_manager_plus/android_alarm_manager_plus.dart';
 
-const String currentVersion = '0.7.1';
+const String currentVersion = '0.7.2';
 const String currentReleaseTag =
     'v$currentVersion-beta'; // KEEP THIS IN SYNC WITH GITHUB RELEASES
 
@@ -23,12 +24,15 @@ const int bgUpdateCheckAlarmId = 666;
 
 @pragma('vm:entry-point')
 Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
+  LogsProvider logs = LogsProvider();
+  logs.add('Started BG update check task');
   int? ignoreAfterMicroseconds = params?['ignoreAfterMicroseconds'];
   WidgetsFlutterBinding.ensureInitialized();
   await AndroidAlarmManager.initialize();
   DateTime? ignoreAfter = ignoreAfterMicroseconds != null
       ? DateTime.fromMicrosecondsSinceEpoch(ignoreAfterMicroseconds)
       : null;
+  logs.add('Bg update ignoreAfter is $ignoreAfter');
   var notificationsProvider = NotificationsProvider();
   await notificationsProvider.notify(checkingUpdatesNotification);
   try {
@@ -40,17 +44,18 @@ Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
     DateTime nextIgnoreAfter = DateTime.now();
     String? err;
     try {
+      logs.add('Started actual BG update checking');
       await appsProvider.checkUpdates(
           ignoreAppsCheckedAfter: ignoreAfter, throwErrorsForRetry: true);
     } catch (e) {
       if (e is RateLimitError || e is SocketException) {
-        AndroidAlarmManager.oneShot(
+        var remainingMinutes = e is RateLimitError ? e.remainingMinutes : 15;
-            Duration(minutes: e is RateLimitError ? e.remainingMinutes : 15),
+        logs.add(
-            Random().nextInt(pow(2, 31) as int),
+            'BG update checking encountered a ${e.runtimeType}, will schedule a retry check in $remainingMinutes minutes');
-            bgUpdateCheck,
+        AndroidAlarmManager.oneShot(Duration(minutes: remainingMinutes),
-            params: {
+            Random().nextInt(pow(2, 31) as int), bgUpdateCheck, params: {
-              'ignoreAfterMicroseconds': nextIgnoreAfter.microsecondsSinceEpoch
+          'ignoreAfterMicroseconds': nextIgnoreAfter.microsecondsSinceEpoch
-            });
+        });
       } else {
         err = e.toString();
       }
@@ -74,7 +79,8 @@ Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
     //           silentlyUpdated.map((e) => appsProvider.apps[e]!.app).toList()),
     //       cancelExisting: true);
     // }
-
+    logs.add(
+        'BG update checking found ${newUpdates.length} updates - will notify user if needed');
     if (newUpdates.isNotEmpty) {
       notificationsProvider.notify(UpdateNotification(newUpdates));
     }
@@ -85,6 +91,7 @@ Future<void> bgUpdateCheck(int taskId, Map<String, dynamic>? params) async {
     notificationsProvider
         .notify(ErrorCheckingUpdatesNotification(e.toString()));
   } finally {
+    logs.add('Finished BG update check task');
     await notificationsProvider.cancel(checkingUpdatesNotification.id);
   }
 }
@@ -102,7 +109,8 @@ void main() async {
     providers: [
       ChangeNotifierProvider(create: (context) => AppsProvider()),
       ChangeNotifierProvider(create: (context) => SettingsProvider()),
-      Provider(create: (context) => NotificationsProvider())
+      Provider(create: (context) => NotificationsProvider()),
+      Provider(create: (context) => LogsProvider())
     ],
     child: const Obtainium(),
   ));
@@ -124,12 +132,14 @@ class _ObtainiumState extends State<Obtainium> {
   Widget build(BuildContext context) {
     SettingsProvider settingsProvider = context.watch<SettingsProvider>();
     AppsProvider appsProvider = context.read<AppsProvider>();
+    LogsProvider logs = context.read<LogsProvider>();
 
     if (settingsProvider.prefs == null) {
       settingsProvider.initializeSettings();
     } else {
       bool isFirstRun = settingsProvider.checkAndFlipFirstRun();
       if (isFirstRun) {
+        logs.add('This is the first ever run of Obtainium');
         // If this is the first run, ask for notification permissions and add Obtainium to the Apps list
         Permission.notification.request();
         appsProvider.saveApps([
@@ -149,6 +159,10 @@ class _ObtainiumState extends State<Obtainium> {
       }
       // Register the background update task according to the user's setting
       if (existingUpdateInterval != settingsProvider.updateInterval) {
+        if (existingUpdateInterval != -1) {
+          logs.add(
+              'Setting update interval to ${settingsProvider.updateInterval}');
+        }
         existingUpdateInterval = settingsProvider.updateInterval;
         if (existingUpdateInterval == 0) {
           AndroidAlarmManager.cancel(bgUpdateCheckAlarmId);

lib/pages/settings.dart

@@ -1,9 +1,13 @@
 import 'package:flutter/material.dart';
 import 'package:obtainium/components/custom_app_bar.dart';
 import 'package:obtainium/components/generated_form.dart';
+import 'package:obtainium/components/generated_form_modal.dart';
+import 'package:obtainium/custom_errors.dart';
+import 'package:obtainium/providers/logs_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
 import 'package:obtainium/providers/source_provider.dart';
 import 'package:provider/provider.dart';
+import 'package:share_plus/share_plus.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 
 class SettingsPage extends StatefulWidget {
@@ -238,23 +242,55 @@ class _SettingsPageState extends State<SettingsPage> {
           SliverToBoxAdapter(
             child: Column(
               children: [
-                height16,
+                const Divider(
-                TextButton.icon(
+                  height: 32,
-                  style: ButtonStyle(
+                ),
-                    foregroundColor: MaterialStateProperty.resolveWith<Color>(
+                Row(
-                        (Set<MaterialState> states) {
+                  mainAxisAlignment: MainAxisAlignment.spaceAround,
-                      return Colors.grey;
+                  children: [
-                    }),
+                    TextButton.icon(
-                  ),
+                      onPressed: () {
-                  onPressed: () {
+                        launchUrlString(settingsProvider.sourceUrl,
-                    launchUrlString(settingsProvider.sourceUrl,
+                            mode: LaunchMode.externalApplication);
-                        mode: LaunchMode.externalApplication);
+                      },
-                  },
+                      icon: const Icon(Icons.code),
-                  icon: const Icon(Icons.code),
+                      label: const Text(
-                  label: Text(
+                        'App Source',
-                    'Source',
+                      ),
-                    style: Theme.of(context).textTheme.bodySmall,
+                    ),
-                  ),
+                    TextButton.icon(
+                        onPressed: () {
+                          context.read<LogsProvider>().get().then((logs) {
+                            if (logs.isEmpty) {
+                              showError(ObtainiumError('No Logs'), context);
+                            } else {
+                              String logString =
+                                  logs.map((e) => e.toString()).join('\n\n');
+                              showDialog(
+                                  context: context,
+                                  builder: (BuildContext ctx) {
+                                    return GeneratedFormModal(
+                                      title: 'Obtainium App Logs',
+                                      items: const [],
+                                      defaultValues: const [],
+                                      message: logString,
+                                      initValid: true,
+                                    );
+                                  }).then((value) {
+                                if (value != null) {
+                                  Share.share(
+                                      logs
+                                          .map((e) => e.toString())
+                                          .join('\n\n'),
+                                      subject: 'Obtainium App Logs');
+                                }
+                              });
+                            }
+                          });
+                        },
+                        icon: const Icon(Icons.bug_report_outlined),
+                        label: const Text('App Logs')),
+                  ],
                 ),
                 height16,
               ],

lib/providers/apps_provider.dart

@@ -12,8 +12,8 @@ import 'package:fluttertoast/fluttertoast.dart';
 import 'package:install_plugin_v2/install_plugin_v2.dart';
 import 'package:installed_apps/app_info.dart';
 import 'package:installed_apps/installed_apps.dart';
-import 'package:obtainium/app_sources/github.dart';
 import 'package:obtainium/custom_errors.dart';
+import 'package:obtainium/providers/logs_provider.dart';
 import 'package:obtainium/providers/notifications_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
 import 'package:package_archive_info/package_archive_info.dart';
@@ -43,6 +43,7 @@ class AppsProvider with ChangeNotifier {
   bool loadingApps = false;
   bool gettingUpdates = false;
   bool forBGTask = false;
+  LogsProvider logs = LogsProvider();
 
   // Variables to keep track of the app foreground status (installs can't run in the background)
   bool isForeground = true;

lib/providers/logs_provider.dart

@@ -0,0 +1,109 @@
+import 'package:flutter/foundation.dart';
+import 'package:sqflite/sqflite.dart';
+
+const String logTable = 'logs';
+const String idColumn = '_id';
+const String levelColumn = 'level';
+const String messageColumn = 'message';
+const String timestampColumn = 'timestamp';
+const String dbPath = 'logs.db';
+
+enum LogLevels { debug, info, warning, error }
+
+class Log {
+  int? id;
+  late LogLevels level;
+  late String message;
+  DateTime timestamp = DateTime.now();
+
+  Map<String, Object?> toMap() {
+    var map = <String, Object?>{
+      idColumn: id,
+      levelColumn: level.index,
+      messageColumn: message,
+      timestampColumn: timestamp.millisecondsSinceEpoch
+    };
+    return map;
+  }
+
+  Log(this.message, this.level);
+
+  Log.fromMap(Map<String, Object?> map) {
+    id = map[idColumn] as int;
+    level = LogLevels.values.elementAt(map[levelColumn] as int);
+    message = map[messageColumn] as String;
+    timestamp =
+        DateTime.fromMillisecondsSinceEpoch(map[timestampColumn] as int);
+  }
+
+  @override
+  String toString() {
+    return '${timestamp.toString()}: ${level.name}: $message';
+  }
+}
+
+class LogsProvider {
+  LogsProvider({bool runDefaultClear = true}) {
+    clear(before: DateTime.now().subtract(const Duration(days: 7)));
+  }
+
+  Database? db;
+
+  Future<Database> getDB() async {
+    db ??= await openDatabase(dbPath, version: 1,
+        onCreate: (Database db, int version) async {
+      await db.execute('''
+create table if not exists $logTable ( 
+  $idColumn integer primary key autoincrement, 
+  $levelColumn integer not null,
+  $messageColumn text not null,
+  $timestampColumn integer not null)
+''');
+    });
+    return db!;
+  }
+
+  Future<Log> add(String message, {LogLevels level = LogLevels.info}) async {
+    Log l = Log(message, level);
+    l.id = await (await getDB()).insert(logTable, l.toMap());
+    if (kDebugMode) {
+      print(l);
+    }
+    return l;
+  }
+
+  Future<List<Log>> get({DateTime? before, DateTime? after}) async {
+    var where = getWhereDates(before: before, after: after);
+    return (await (await getDB())
+            .query(logTable, where: where.key, whereArgs: where.value))
+        .map((e) => Log.fromMap(e))
+        .toList();
+  }
+
+  Future<int> clear({DateTime? before, DateTime? after}) async {
+    var where = getWhereDates(before: before, after: after);
+    var res = await (await getDB())
+        .delete(logTable, where: where.key, whereArgs: where.value);
+    if (res > 0) {
+      add('Cleared $res logs (before = $before, after = $after)');
+    }
+    return res;
+  }
+}
+
+MapEntry<String?, List<int>?> getWhereDates(
+    {DateTime? before, DateTime? after}) {
+  List<String> where = [];
+  List<int> whereArgs = [];
+  if (before != null) {
+    where.add('$timestampColumn < ?');
+    whereArgs.add(before.millisecondsSinceEpoch);
+  }
+  if (after != null) {
+    where.add('$timestampColumn > ?');
+    whereArgs.add(after.millisecondsSinceEpoch);
+  }
+  return whereArgs.isEmpty
+      ? const MapEntry(null, null)
+      : MapEntry(where.join(' and '), whereArgs);
+}

pubspec.lock

@@ -567,6 +567,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.9.0"
+  sqflite:
+    dependency: "direct main"
+    description:
+      name: sqflite
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0+3"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.0+2"
   stack_trace:
     dependency: transitive
     description:
@@ -588,6 +602,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0+3"
   term_glyph:
     dependency: transitive
     description:

pubspec.yaml

@@ -17,7 +17,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.7.1+57 # When changing this, update the tag in main() accordingly
+version: 0.7.2+58 # When changing this, update the tag in main() accordingly
 
 environment:
   sdk: '>=2.18.2 <3.0.0'
@@ -56,6 +56,7 @@ dependencies:
   installed_apps: ^1.3.1
   package_archive_info: ^0.1.0
   android_alarm_manager_plus: ^2.1.0
+  sqflite: ^2.2.0+3
 
 
 dev_dependencies: