Logger

.env.example

@@ -8,3 +8,4 @@ githubrepo=github_repo
 youtube=youtube_token
 openweather=openweather_token
 conversatorkey=chatgpt_token
+isproduction=0_or_1

.gitignore

@@ -12,6 +12,7 @@ doc/api/
 
 .env
 .idea
+logs.txt
 
 assets/swearwords/swearwords.*.json
 !assets/swearwords/swearwords.sample.json

bin/main.dart

@@ -2,9 +2,12 @@ import 'dart:async';
 import 'package:dotenv/dotenv.dart';
 import 'package:postgres/postgres.dart';
 import 'package:weather/weather.dart';
+import 'package:weather/src/injector/injection.dart';
 import 'package:weather/src/globals/chat_platform.dart';
 import 'package:weather/src/utils/migrations_manager.dart';
+import 'package:weather/src/utils/logger.dart';
 
+// TODO: move to database.dart
 Future<Pool> getDatabaseConnection(DotEnv env) async {
   final username = env['dbuser']!;
   final password = env['dbpassword']!;
@@ -20,28 +23,34 @@ Future<void> runMigrations(Pool dbConnection) async {
   await migrationsManager.runMigrations();
 }
 
-ChatPlatform getPlatform(String envPlatform) {
+ChatPlatform getPlatform(String? envPlatform) {
   if (envPlatform == 'telegram') return ChatPlatform.telegram;
   if (envPlatform == 'discord') return ChatPlatform.discord;
 
   throw Exception('Invalid platform $envPlatform');
 }
 
+bool getIsProductionMode(String? envIsProduction) {
+  return int.parse(envIsProduction ?? '0') == 1;
+}
+
 void main(List<String> args) async {
   var env = DotEnv(includePlatformEnvironment: true)..load();
   final dbConnection = await getDatabaseConnection(env);
+  // TODO: move to core config module
+  final token = env['bottoken']!;
+  final adminId = env['adminid']!;
+  final repoUrl = env['githubrepo']!;
+  final youtubeKey = env['youtube']!;
+  final openweatherKey = env['openweather']!;
+  final conversatorKey = env['conversatorkey']!;
+  final platformName = getPlatform(env['platform']);
+  final isProduction = getIsProductionMode(env['isproduction']);
 
+  setupInjection(isProduction);
   await runMigrations(dbConnection);
 
   runZonedGuarded(() {
-    final token = env['bottoken']!;
-    final adminId = env['adminid']!;
-    final repoUrl = env['githubrepo']!;
-    final youtubeKey = env['youtube']!;
-    final openweatherKey = env['openweather']!;
-    final conversatorKey = env['conversatorkey']!;
-    final platformName = getPlatform(env['platform']!);
-
     Bot(
       platformName: platformName,
       botToken: token,
@@ -53,10 +62,8 @@ void main(List<String> args) async {
       dbConnection: dbConnection,
     ).startBot();
   }, (error, stack) {
-    var now = DateTime.now();
+    var logger = getIt<Logger>();
 
-    print('[$now]: Error caught');
-    print(error);
-    print(stack);
+    logger.e('Uncaught error', error);
   });
 }

lib/src/core/access.dart

@@ -1,8 +1,10 @@
 import 'package:weather/src/globals/message_event.dart';
 import 'package:weather/src/globals/access_level.dart';
-import 'event_bus.dart';
+import 'package:weather/src/injector/injection.dart';
+import 'package:weather/src/utils/logger.dart';
 import 'events/access_events.dart';
 import 'database.dart';
+import 'event_bus.dart';
 
 typedef OnSuccessCallback = void Function(MessageEvent event);
 typedef OnFailureCallback = Future Function(MessageEvent event);
@@ -11,8 +13,9 @@ class Access {
   final Database db;
   final EventBus eventBus;
   final String adminId;
+  final Logger _logger;
 
-  Access({required this.db, required this.eventBus, required this.adminId});
+  Access({required this.db, required this.eventBus, required this.adminId}) : _logger = getIt<Logger>();
 
   void execute(
       {required MessageEvent event,
@@ -23,31 +26,19 @@ class Access {
     var user = await db.user.getSingleUserForChat(event.chatId, event.userId);
 
     if (user == null || user.banned) {
-      onFailure(event);
-
-      return;
-    }
-
-    if (user.id == adminId) {
-      eventBus.fire(AccessEvent(chatId: event.chatId, user: user, command: command));
-      onSuccess(event);
-
-      return;
+      return onFailure(event);
     }
 
-    if (accessLevel == AccessLevel.admin) {
-      onFailure(event);
+    var canExecuteAsAdmin = user.id == adminId;
+    var canExecuteAsModerator = accessLevel == AccessLevel.moderator && user.moderator;
 
-      return;
-    }
-
-    if (accessLevel == AccessLevel.moderator && !user.moderator) {
-      onFailure(event);
+    if (canExecuteAsAdmin || canExecuteAsModerator) {
+      _logger.i('Executing /$command with event: $event');
+      eventBus.fire(AccessEvent(chatId: event.chatId, user: user, command: command));
 
-      return;
+      return onSuccess(event);
     }
 
-    eventBus.fire(AccessEvent(chatId: event.chatId, user: user, command: command));
-    onSuccess(event);
+    return onFailure(event);
   }
 }

lib/src/core/conversator.dart

@@ -2,6 +2,8 @@ import 'dart:convert';
 import 'package:cron/cron.dart';
 import 'package:http/http.dart' as http;
 import 'package:weather/src/globals/module_exception.dart';
+import 'package:weather/src/injector/injection.dart';
+import 'package:weather/src/utils/logger.dart';
 import 'database.dart';
 
 const String _converstorApiURL = 'https://api.openai.com/v1/chat/completions';
@@ -39,11 +41,12 @@ class ConversatorUser {
 
 class Conversator {
   final Database db;
+  final Logger _logger;
   final String conversatorApiKey;
   final String adminId;
   final String _apiBaseUrl = _converstorApiURL;
 
-  Conversator({required this.db, required this.conversatorApiKey, required this.adminId});
+  Conversator({required this.db, required this.conversatorApiKey, required this.adminId}) : _logger = getIt<Logger>();
 
   void initialize() {
     _startResetDailyInvocationsUsageJob();
@@ -130,9 +133,9 @@ class Conversator {
       var result = await db.conversatorUser.resetDailyInvocations();
 
       if (result == 0) {
-        print('Something went wrong with resetting conversator daily invocations usage');
+        _logger.w('Something went wrong with resetting conversator daily invocations usage');
       } else {
-        print('Reset conversator daily invocation usage for $result rows');
+        _logger.i('Reset conversator daily invocation usage for $result rows');
       }
     });
   }

lib/src/core/dadjokes.dart

@@ -1,6 +1,8 @@
 import 'dart:convert';
 import 'package:http/http.dart' as http;
 
+const _dadjokesApiBase = 'https://icanhazdadjoke.com/';
+
 class DadJokesJoke {
   final String joke;
 
@@ -10,7 +12,7 @@ class DadJokesJoke {
 }
 
 class DadJokes {
-  final String _apiBaseUrl = 'https://icanhazdadjoke.com/';
+  final String _apiBaseUrl = _dadjokesApiBase;
 
   Future<DadJokesJoke> getJoke() async {
     var response = await http.get(Uri.parse(_apiBaseUrl), headers: {'Accept': 'application/json'});

lib/src/core/general.dart

@@ -2,10 +2,12 @@ import 'dart:convert';
 import 'package:http/http.dart' as http;
 import 'chat.dart';
 
+const _githubApiBase = 'https://api.github.com';
+
 class General {
   final Chat chat;
   final String repositoryUrl;
-  final String _baseGithubApiUrl = 'https://api.github.com';
+  final String _baseGithubApiUrl = _githubApiBase;
 
   General({required this.chat, required this.repositoryUrl});
 

lib/src/core/repositories/repository.dart

@@ -1,18 +1,21 @@
 import 'dart:io';
 import 'package:meta/meta.dart';
 import 'package:postgres/postgres.dart';
+import 'package:weather/src/injector/injection.dart';
+import 'package:weather/src/utils/logger.dart';
 
 const String _pathToQueries = 'assets/db/queries';
 
 class Repository {
   final String repositoryName;
   final Pool dbConnection;
+  final Logger _logger;
   final String _queriesDirectory = _pathToQueries;
 
   @protected
   final Map<String, String> queriesMap = {};
 
-  Repository({required this.repositoryName, required this.dbConnection});
+  Repository({required this.repositoryName, required this.dbConnection}) : _logger = getIt<Logger>();
 
   initRepository() async {
     var queriesLocation = Directory('$_queriesDirectory/$repositoryName');
@@ -30,7 +33,7 @@ class Repository {
   @protected
   Future<Result?> executeQuery(String? query, [Map<String, dynamic>? parameters]) async {
     if (query == null) {
-      print('Wrong query $query');
+      _logger.e('Wrong query: $query');
 
       return null;
     }
@@ -41,7 +44,7 @@ class Repository {
   @protected
   Future<int> executeTransaction(String? query, [Map<String, dynamic>? parameters]) async {
     if (query == null) {
-      print('Wrong query $query');
+      _logger.e('Wrong query: $query');
 
       return 0;
     }
@@ -51,8 +54,7 @@ class Repository {
 
       return queryResult.affectedRows;
     }).catchError((error) {
-      print('DB transaction error');
-      print(error);
+      _logger.e('DB transaction error: $error');
 
       return 0;
     });

lib/src/core/repositories/reputation_repository.dart

@@ -24,12 +24,6 @@ class ReputationRepository extends Repository {
       return null;
     }
 
-    if (data.length != 1) {
-      print('One piece of reputation data data was expected, got ${data.length} instead');
-
-      return null;
-    }
-
     var reputationData = data[0].toColumnMap();
 
     return SingleReputationData(

lib/src/core/repositories/weather_repository.dart

@@ -38,12 +38,6 @@ class WeatherRepository extends Repository {
       return [];
     }
 
-    if (data.length != 1) {
-      print('One piece of cities data was expected, got ${data.length} instead');
-
-      return null;
-    }
-
     var citiesData = data[0].toColumnMap();
 
     return citiesData['cities']?.split(',');

lib/src/core/reputation.dart

@@ -1,6 +1,8 @@
 import 'dart:async';
 import 'package:cron/cron.dart';
 import 'package:weather/src/globals/module_exception.dart';
+import 'package:weather/src/injector/injection.dart';
+import 'package:weather/src/utils/logger.dart';
 import 'events/accordion_poll_events.dart';
 import 'database.dart';
 import 'event_bus.dart';
@@ -32,8 +34,9 @@ class ChatReputationData {
 class Reputation {
   final Database db;
   final EventBus eventBus;
+  final Logger _logger;
 
-  Reputation({required this.db, required this.eventBus});
+  Reputation({required this.db, required this.eventBus}) : _logger = getIt<Logger>();
 
   void initialize() {
     _startResetVotesJob();
@@ -137,9 +140,9 @@ class Reputation {
       var result = await db.reputation.resetChangeOptions(numberOfVoteOptions);
 
       if (result == 0) {
-        print('Something went wrong with resetting reputation change options');
+        _logger.w('Something went wrong with resetting reputation change options');
       } else {
-        print('Reset reputation change options for $result rows');
+        _logger.i('Reset reputation change options for $result rows');
       }
     });
   }

lib/src/core/weather.dart

@@ -4,6 +4,8 @@ import 'package:http/http.dart' as http;
 import 'package:cron/cron.dart';
 import 'database.dart';
 
+const _weatherApiBase = 'https://api.openweathermap.org/data/2.5';
+
 class OpenWeatherData {
   final String city;
   final num temp;
@@ -28,7 +30,7 @@ class ChatNotificationHour {
 class Weather {
   final Database db;
   final String openweatherKey;
-  final String _apiBaseUrl = 'https://api.openweathermap.org/data/2.5';
+  final String _apiBaseUrl = _weatherApiBase;
 
   late StreamController<ChatWeatherData> _weatherStreamController;
   List<ScheduledTask> _weatherCronTasks = [];
@@ -83,15 +85,7 @@ class Weather {
   }
 
   Future<num?> getWeatherForCity(String city) async {
-    try {
-      var weatherData = await _getCurrentWeather(city);
-
-      return weatherData.temp;
-    } catch (err) {
-      print(err);
-
-      return null;
-    }
+    return _getCurrentWeather(city).then((weatherData) => weatherData.temp);
   }
 
   Future<bool> setNotificationHour(String chatId, int notificationHour) async {
@@ -107,21 +101,12 @@ class Weather {
   }
 
   Future<List<OpenWeatherData>> getWeatherForCities(List<String> cities) async {
-    List<OpenWeatherData> result = [];
-
-    await Future.forEach(cities, (city) async {
-      try {
-        var weather = await _getCurrentWeather(city);
-
-        result.add(OpenWeatherData(weather.city, weather.temp));
-
-        await Future.delayed(Duration(milliseconds: 500));
-      } catch (err) {
-        print("Can't get weather for city $city");
-      }
-    });
+    return Future.wait(cities.map((city) async {
+      var weather = await _getCurrentWeather(city);
+      await Future.delayed(Duration(milliseconds: 500));
 
-    return result;
+      return OpenWeatherData(weather.city, weather.temp);
+    }));
   }
 
   Future<OpenWeatherData> _getCurrentWeather(String city) async {