PiliPlus/lib/services/logger.dart

import 'dart:io';

import 'package:logger/logger.dart';
import 'package:path/path.dart' as p;
import 'package:path_provider/path_provider.dart';

final logger = PiliLogger();

class PiliLogger extends Logger {
  PiliLogger() : super();

  @override
  Future<void> log(
    Level level,
    dynamic message, {
    Object? error,
    StackTrace? stackTrace,
    DateTime? time,
  }) async {
    if (level == Level.error || level == Level.fatal) {
      // 添加至文件末尾
      File logFile = await LoggerUtils.getLogsPath();
      logFile.writeAsString(
        "**${DateTime.now()}** \n $message \n $stackTrace",
        mode: FileMode.writeOnlyAppend,
      );
    }
    super.log(level, "$message", error: error, stackTrace: stackTrace);
  }
}

class LoggerUtils {
  static File? _logFile;

  static Future<File> getLogsPath() async {
    if (_logFile != null) return _logFile!;

    String dir = (await getApplicationDocumentsDirectory()).path;
    final String filename = p.join(dir, ".pili_logs");
    final File file = File(filename);
    if (!file.existsSync()) {
      await file.create(recursive: true);
    }
    return _logFile = file;
  }

  static Future<bool> clearLogs() async {
    final file = await getLogsPath();
    try {
      await file.writeAsBytes(const [], flush: true);
    } catch (e) {
      // if (kDebugMode) debugPrint('Error clearing file: $e');
      return false;
    }
    return true;
  }
}