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ivan2282
317
lib/connection/connection_logger.dart
Normal file
317
lib/connection/connection_logger.dart
Normal file
@@ -0,0 +1,317 @@
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import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/foundation.dart';
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enum LogLevel { debug, info, warning, error, critical }
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class ConnectionLogger {
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static final ConnectionLogger _instance = ConnectionLogger._internal();
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factory ConnectionLogger() => _instance;
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ConnectionLogger._internal();
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final List<LogEntry> _logs = [];
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final StreamController<LogEntry> _logController =
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StreamController<LogEntry>.broadcast();
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Stream<LogEntry> get logStream => _logController.stream;
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List<LogEntry> get logs => List.unmodifiable(_logs);
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static const int maxLogs = 1000;
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LogLevel _currentLevel = LogLevel.debug;
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void setLogLevel(LogLevel level) {
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_currentLevel = level;
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}
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void log(
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String message, {
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LogLevel level = LogLevel.info,
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String? category,
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Map<String, dynamic>? data,
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Object? error,
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StackTrace? stackTrace,
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}) {
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if (level.index < _currentLevel.index) return;
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final entry = LogEntry(
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timestamp: DateTime.now(),
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level: level,
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message: message,
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category: category ?? 'CONNECTION',
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data: data,
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error: error,
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stackTrace: stackTrace,
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);
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_logs.add(entry);
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if (_logs.length > maxLogs) {
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_logs.removeRange(0, _logs.length - maxLogs);
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}
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_logController.add(entry);
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if (kDebugMode) {
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final emoji = _getEmojiForLevel(level);
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final timestamp = entry.timestamp.toIso8601String().substring(11, 23);
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final categoryStr = category != null ? '[$category]' : '';
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final dataStr = data != null ? ' | Data: ${jsonEncode(data)}' : '';
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final errorStr = error != null ? ' | Error: $error' : '';
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print('$emoji [$timestamp] $categoryStr $message$dataStr$errorStr');
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}
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}
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void logConnection(
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String message, {
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Map<String, dynamic>? data,
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Object? error,
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}) {
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log(
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message,
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level: LogLevel.info,
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category: 'CONNECTION',
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data: data,
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error: error,
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);
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}
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void logError(
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String message, {
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Map<String, dynamic>? data,
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Object? error,
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StackTrace? stackTrace,
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}) {
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log(
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message,
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level: LogLevel.error,
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category: 'ERROR',
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data: data,
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error: error,
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stackTrace: stackTrace,
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);
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}
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void logMessage(
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String direction,
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dynamic message, {
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Map<String, dynamic>? metadata,
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}) {
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final data = <String, dynamic>{
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'direction': direction,
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'message': message,
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if (metadata != null) ...metadata,
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};
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log(
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'WebSocket $direction',
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level: LogLevel.debug,
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category: 'WEBSOCKET',
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data: data,
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);
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}
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void logReconnect(int attempt, String reason, {Duration? delay}) {
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final data = <String, dynamic>{
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'attempt': attempt,
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'reason': reason,
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if (delay != null) 'delay_seconds': delay.inSeconds,
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};
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log(
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'Переподключение: $reason (попытка $attempt)',
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level: LogLevel.warning,
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category: 'RECONNECT',
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data: data,
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);
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}
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void logPerformance(
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String operation,
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Duration duration, {
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Map<String, dynamic>? metadata,
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}) {
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final data = <String, dynamic>{
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'operation': operation,
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'duration_ms': duration.inMilliseconds,
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if (metadata != null) ...metadata,
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};
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log(
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'Performance: $operation за ${duration.inMilliseconds}ms',
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level: LogLevel.debug,
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category: 'PERFORMANCE',
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data: data,
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);
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}
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void logState(String from, String to, {Map<String, dynamic>? metadata}) {
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final data = <String, dynamic>{
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'from': from,
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'to': to,
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if (metadata != null) ...metadata,
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};
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log(
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'Состояние: $from → $to',
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level: LogLevel.info,
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category: 'STATE',
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data: data,
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);
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}
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List<LogEntry> getLogsByCategory(String category) {
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return _logs.where((log) => log.category == category).toList();
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}
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List<LogEntry> getLogsByLevel(LogLevel level) {
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return _logs.where((log) => log.level == level).toList();
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}
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Map<String, int> getLogStats() {
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final stats = <String, int>{};
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for (final log in _logs) {
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stats[log.category] = (stats[log.category] ?? 0) + 1;
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}
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return stats;
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}
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void clearLogs() {
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_logs.clear();
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log('Логи очищены', level: LogLevel.info, category: 'LOGGER');
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}
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String exportLogs() {
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final logsJson = _logs.map((log) => log.toJson()).toList();
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return jsonEncode(logsJson);
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}
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void importLogs(String jsonString) {
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try {
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final List<dynamic> logsList = jsonDecode(jsonString);
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_logs.clear();
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for (final logJson in logsList) {
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_logs.add(LogEntry.fromJson(logJson));
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}
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log(
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'Импортировано ${_logs.length} логов',
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level: LogLevel.info,
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category: 'LOGGER',
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);
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} catch (e) {
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logError('Ошибка импорта логов', error: e);
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}
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}
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String _getEmojiForLevel(LogLevel level) {
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switch (level) {
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case LogLevel.debug:
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return '🔍';
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case LogLevel.info:
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return 'ℹ️';
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case LogLevel.warning:
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return '⚠️';
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case LogLevel.error:
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return '❌';
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case LogLevel.critical:
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return '🚨';
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}
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}
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void dispose() {
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_logController.close();
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}
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}
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class LogEntry {
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final DateTime timestamp;
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final LogLevel level;
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final String message;
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final String category;
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final Map<String, dynamic>? data;
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final Object? error;
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final StackTrace? stackTrace;
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LogEntry({
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required this.timestamp,
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required this.level,
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required this.message,
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required this.category,
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this.data,
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this.error,
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this.stackTrace,
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});
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Map<String, dynamic> toJson() {
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return {
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'timestamp': timestamp.toIso8601String(),
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'level': level.name,
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'message': message,
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'category': category,
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'data': data,
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'error': error?.toString(),
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'stackTrace': stackTrace?.toString(),
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};
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}
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factory LogEntry.fromJson(Map<String, dynamic> json) {
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return LogEntry(
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timestamp: DateTime.parse(json['timestamp']),
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level: LogLevel.values.firstWhere((l) => l.name == json['level']),
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message: json['message'],
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category: json['category'],
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data: json['data'] != null
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? Map<String, dynamic>.from(json['data'])
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: null,
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error: json['error'],
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stackTrace: json['stackTrace'] != null
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? StackTrace.fromString(json['stackTrace'])
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: null,
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);
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}
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@override
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String toString() {
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final emoji = _getEmojiForLevel(level);
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final timestamp = this.timestamp.toIso8601String().substring(11, 23);
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final dataStr = data != null ? ' | Data: ${jsonEncode(data)}' : '';
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final errorStr = error != null ? ' | Error: $error' : '';
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return '$emoji [$timestamp] [$category] $message$dataStr$errorStr';
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}
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String _getEmojiForLevel(LogLevel level) {
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switch (level) {
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case LogLevel.debug:
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return '🔍';
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case LogLevel.info:
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return 'ℹ️';
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case LogLevel.warning:
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return '⚠️';
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case LogLevel.error:
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return '❌';
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case LogLevel.critical:
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return '🚨';
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}
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}
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}
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