refactor(mobile): log service (#16383)

refactor: log service

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/services/immich_logger.service.dart

@@ -2,11 +2,7 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:flutter/widgets.dart';
-import 'package:immich_mobile/domain/models/store.model.dart';
-import 'package:immich_mobile/entities/logger_message.entity.dart';
-import 'package:immich_mobile/entities/store.entity.dart';
-import 'package:isar/isar.dart';
-import 'package:logging/logging.dart';
+import 'package:immich_mobile/domain/services/log.service.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:share_plus/share_plus.dart';
 
@@ -18,75 +14,10 @@ import 'package:share_plus/share_plus.dart';
 ///
 /// Logs can be shared by calling the `shareLogs` method, which will open a share dialog
 /// and generate a csv file.
-class ImmichLogger {
-  static final ImmichLogger _instance = ImmichLogger._internal();
-  final maxLogEntries = 500;
-  final Isar _db = Isar.getInstance()!;
-  List<LoggerMessage> _msgBuffer = [];
-  Timer? _timer;
+abstract final class ImmichLogger {
+  const ImmichLogger();
 
-  factory ImmichLogger() => _instance;
-
-  ImmichLogger._internal() {
-    _removeOverflowMessages();
-    final int levelId = Store.get(StoreKey.logLevel, 5); // 5 is INFO
-    Logger.root.level = Level.LEVELS[levelId];
-    Logger.root.onRecord.listen(_writeLogToDatabase);
-  }
-
-  set level(Level level) => Logger.root.level = level;
-
-  List<LoggerMessage> get messages {
-    final inDb =
-        _db.loggerMessages.where(sort: Sort.desc).anyId().findAllSync();
-    return _msgBuffer.isEmpty ? inDb : _msgBuffer.reversed.toList() + inDb;
-  }
-
-  void _removeOverflowMessages() {
-    final msgCount = _db.loggerMessages.countSync();
-    if (msgCount > maxLogEntries) {
-      final numberOfEntryToBeDeleted = msgCount - maxLogEntries;
-      _db.writeTxn(
-        () => _db.loggerMessages
-            .where()
-            .limit(numberOfEntryToBeDeleted)
-            .deleteAll(),
-      );
-    }
-  }
-
-  void _writeLogToDatabase(LogRecord record) {
-    debugPrint('[${record.level.name}] [${record.time}] ${record.message}');
-    final lm = LoggerMessage(
-      message: record.message,
-      details: record.error?.toString(),
-      level: record.level.toLogLevel(),
-      createdAt: record.time,
-      context1: record.loggerName,
-      context2: record.stackTrace?.toString(),
-    );
-    _msgBuffer.add(lm);
-
-    // delayed batch writing to database: increases performance when logging
-    // messages in quick succession and reduces NAND wear
-    _timer ??= Timer(const Duration(seconds: 5), _flushBufferToDatabase);
-  }
-
-  void _flushBufferToDatabase() {
-    _timer = null;
-    final buffer = _msgBuffer;
-    _msgBuffer = [];
-    _db.writeTxn(() => _db.loggerMessages.putAll(buffer));
-  }
-
-  void clearLogs() {
-    _timer?.cancel();
-    _timer = null;
-    _msgBuffer.clear();
-    _db.writeTxn(() => _db.loggerMessages.clear());
-  }
-
-  Future<void> shareLogs(BuildContext context) async {
+  static Future<void> shareLogs(BuildContext context) async {
     final tempDir = await getTemporaryDirectory();
     final dateTime = DateTime.now().toIso8601String();
     final filePath = '${tempDir.path}/Immich_log_$dateTime.log';
@@ -94,13 +25,13 @@ class ImmichLogger {
     final io = logFile.openWrite();
     try {
       // Write messages
-      for (final m in messages) {
+      for (final m in await LogService.I.getMessages()) {
         final created = m.createdAt;
         final level = m.level.name.padRight(8);
-        final logger = (m.context1 ?? "<UNKNOWN_LOGGER>").padRight(20);
+        final logger = (m.logger ?? "<UNKNOWN_LOGGER>").padRight(20);
         final message = m.message;
-        final error = m.details != null ? " ${m.details} |" : "";
-        final stack = m.context2 != null ? "\n${m.context2!}" : "";
+        final error = m.error == null ? "" : " ${m.error} |";
+        final stack = m.stack == null ? "" : "\n${m.stack!}";
         io.write('$created | $level | $logger | $message |$error$stack\n');
       }
     } finally {
@@ -115,16 +46,6 @@ class ImmichLogger {
       [XFile(filePath)],
       subject: "Immich logs $dateTime",
       sharePositionOrigin: box!.localToGlobal(Offset.zero) & box.size,
-    ).then(
-      (value) => logFile.delete(),
-    );
-  }
-
-  /// Flush pending log messages to persistent storage
-  void flush() {
-    if (_timer != null) {
-      _timer!.cancel();
-      _db.writeTxnSync(() => _db.loggerMessages.putAllSync(_msgBuffer));
-    }
+    ).then((value) => logFile.delete());
   }
 }