feature: web server

Makefile

@@ -16,6 +16,9 @@ tests: ## Run unit tests
 run: ## Run dev project
 	docker compose up --build
 
+upgrade: ## Run dart pub upgrade
+	dart pub upgrade
+
 fix-project: fix analyze format ## Fix whole project
 
 check-project: fix-project tests ## Run all checks

bin/running_on_dart.dart

@@ -43,8 +43,11 @@ void main() async {
           IgnoreExceptions(),
           commands,
           pagination,
+          SessionManagerPlugin(),
         ],
       ));
 
   await setupContainer(client);
+
+  WebServer().startServer();
 }

docker-compose.prod.yml

@@ -1,14 +1,17 @@
 version: '3.9'
 services:
   running_on_dart:
-    image: ghcr.io/nyxx-discord/running_on_dart:4.9.3
+    image: ghcr.io/nyxx-discord/running_on_dart:4.10.0-dev.8
     container_name: running_on_dart
     env_file:
      - .env
-    links:
-      - db
     depends_on:
       - db
+    volumes:
+      - "rod_sessions:/sessions"
+    networks:
+      - internal
+      - nginx-proxy_default
 
   db:
     image: postgres:17
@@ -18,6 +21,15 @@ services:
       - .env
     volumes:
       - "rod_db_17:/var/lib/postgresql/data"
+    networks:
+      - internal
 
 volumes:
   rod_db_17:
+  rod_sessions:
+
+networks:
+  nginx-proxy_default:
+    name: nginx-proxy_default
+    external: true
+  internal:

docker-compose.yml

@@ -6,10 +6,13 @@ services:
     container_name: running_on_dart
     env_file:
      - .env
-    links:
-      - db
+    ports:
+      - "8088:8088"
     depends_on:
       - db
+    volumes:
+      - "./sessions:/sessions"
+      - "./templates:/templates"
 
   db:
     image: postgres:17

lib/running_on_dart.dart

@@ -15,3 +15,6 @@ export 'src/settings.dart';
 export 'src/converter.dart';
 export 'src/error_handler.dart';
 export 'src/init.dart';
+
+export 'src/web_app/api_server.dart' show WebServer;
+export 'src/web_app/session_manager_plugin.dart' show SessionManagerPlugin;

lib/src/commands/info.dart

@@ -2,71 +2,43 @@ import 'package:injector/injector.dart';
 import 'package:nyxx/nyxx.dart';
 import 'package:nyxx_commands/nyxx_commands.dart';
 import 'package:nyxx_extensions/nyxx_extensions.dart';
-import 'package:running_on_dart/src/modules/bot_start_duration.dart';
-import 'package:running_on_dart/src/modules/docs.dart';
-import 'package:running_on_dart/src/modules/reminder.dart';
-import 'package:running_on_dart/src/modules/tag.dart';
-import 'package:running_on_dart/src/settings.dart';
+import 'package:running_on_dart/src/services/bot_info.dart';
 import 'package:running_on_dart/src/util/util.dart';
 
 final info = ChatCommand(
   'info',
   'Get info about the bot',
   id('info', (ChatContext context) async {
-    final color = getRandomColor();
     final currentUser = await context.client.user.get();
+    final botInfo = await Injector.appInstance.get<BotInfoService>().getCurrentBotInfo();
 
-    final startDate = Injector.appInstance.get<BotStartDuration>().startDate;
     final startDateStr =
-        "${startDate.format(TimestampStyle.longDateTime)} (${startDate.format(TimestampStyle.relativeTime)})";
-
-    final docsUpdatedDate = Injector.appInstance.get<DocsModule>().lastUpdate;
-    final docsUpdateStr = docsUpdatedDate != null
-        ? "${docsUpdatedDate.format(TimestampStyle.longDateTime)} (${docsUpdatedDate.format(TimestampStyle.relativeTime)})"
+        "${botInfo.uptime.format(TimestampStyle.longDateTime)} (${botInfo.uptime.format(TimestampStyle.relativeTime)})";
+    final docsUpdateStr = botInfo.docsUpdate != null
+        ? "${botInfo.docsUpdate!.format(TimestampStyle.longDateTime)} (${botInfo.docsUpdate!.format(TimestampStyle.relativeTime)})"
         : "Never";
 
     final embed = EmbedBuilder(
-      color: color,
+      color: getRandomColor(),
       author: EmbedAuthorBuilder(
         name: currentUser.username,
         iconUrl: currentUser.avatar.url,
         url: Uri.parse(ApiOptions.nyxxRepositoryUrl),
       ),
       footer: EmbedFooterBuilder(
-          text: 'nyxx ${ApiOptions.nyxxVersion}'
-              ' | ROD $version'
-              ' | Dart SDK ${getDartPlatform()}'),
+          text: 'nyxx ${botInfo.nyxxVersion}'
+              ' | ROD ${botInfo.version}'
+              ' | Dart SDK ${botInfo.dartPlatform}'),
       fields: [
-        EmbedFieldBuilder(name: 'Cached guilds', value: context.client.guilds.cache.length.toString(), isInline: true),
-        EmbedFieldBuilder(name: 'Cached users', value: context.client.users.cache.length.toString(), isInline: true),
-        EmbedFieldBuilder(
-            name: 'Cached channels', value: context.client.channels.cache.length.toString(), isInline: true),
-        EmbedFieldBuilder(
-            name: 'Cached voice states',
-            value: context.client.guilds.cache.values
-                .map((g) => g.voiceStates.length)
-                .fold<num>(0, (value, element) => value + element)
-                .toString(),
-            isInline: true),
-        EmbedFieldBuilder(name: 'Shard count', value: context.client.gateway.shards.length.toString(), isInline: true),
-        EmbedFieldBuilder(
-            name: 'Cached messages',
-            value: context.client.channels.cache.values
-                .whereType<TextChannel>()
-                .map((c) => c.messages.cache.length)
-                .fold<num>(0, (value, element) => value + element)
-                .toString(),
-            isInline: true),
-        EmbedFieldBuilder(name: 'Memory usage (current/RSS)', value: getCurrentMemoryString(), isInline: true),
-        EmbedFieldBuilder(
-            name: 'Tags in guild',
-            value:
-                Injector.appInstance.get<TagModule>().countCachedTags(context.guild?.id ?? context.user.id).toString(),
-            isInline: true),
-        EmbedFieldBuilder(
-            name: 'Current reminders',
-            value: Injector.appInstance.get<ReminderModule>().reminders.length.toString(),
-            isInline: true),
+        EmbedFieldBuilder(name: 'Cached guilds', value: botInfo.cachedGuilds.toString(), isInline: true),
+        EmbedFieldBuilder(name: 'Cached users', value: botInfo.cachedUsers.toString(), isInline: true),
+        EmbedFieldBuilder(name: 'Cached channels', value: botInfo.cachedChannels.toString(), isInline: true),
+        EmbedFieldBuilder(name: 'Cached voice states', value: botInfo.cachedVoiceStates.toString(), isInline: true),
+        EmbedFieldBuilder(name: 'Shard count', value: botInfo.shardCount.toString(), isInline: true),
+        EmbedFieldBuilder(name: 'Cached messages', value: botInfo.cachedMessages.toString(), isInline: true),
+        EmbedFieldBuilder(name: 'Memory usage (current/RSS)', value: botInfo.memoryUserString, isInline: true),
+        EmbedFieldBuilder(name: 'Tags in guild', value: botInfo.totalTagsCount.toString(), isInline: true),
+        EmbedFieldBuilder(name: 'Current reminders', value: botInfo.totalRemainderCount.toString(), isInline: true),
         EmbedFieldBuilder(name: 'Uptime', value: startDateStr, isInline: false),
         EmbedFieldBuilder(name: 'Docs Update', value: docsUpdateStr, isInline: false),
       ],

lib/src/init.dart

@@ -16,6 +16,7 @@ import 'package:running_on_dart/src/repository/jellyfin_config.dart';
 import 'package:running_on_dart/src/repository/kavita.dart';
 import 'package:running_on_dart/src/repository/reminder.dart';
 import 'package:running_on_dart/src/repository/tag.dart';
+import 'package:running_on_dart/src/services/bot_info.dart';
 import 'package:running_on_dart/src/services/db.dart';
 import 'package:running_on_dart/src/modules/feature_settings.dart';
 
@@ -39,7 +40,8 @@ Future<void> setupContainer(NyxxGateway client) async {
     ..registerSingleton(() => JellyfinModuleV2())
     ..registerSingleton(() => MentionsMonitoringModule())
     ..registerSingleton(() => KavitaModule())
-    ..registerSingleton(() => EmojiReactModule());
+    ..registerSingleton(() => EmojiReactModule())
+    ..registerSingleton(() => BotInfoService());
 
   await Injector.appInstance.get<DatabaseService>().init();
   await Injector.appInstance.get<FeatureSettingsModule>().init();

lib/src/modules/tag.dart

@@ -38,6 +38,7 @@ class TagModule implements RequiresInitialization {
   }
 
   int countCachedTags(Snowflake targetId) => tags.where((tag) => tag.guildId == targetId).length;
+  int countTags() => tags.length;
 
   /// Get all the enabled tags in a guild.
   Iterable<Tag> getGuildTags(Snowflake guildId) => tags.where((tag) => tag.guildId == guildId && tag.enabled);

lib/src/services/bot_info.dart

@@ -0,0 +1,96 @@
+import 'package:injector/injector.dart';
+import 'package:nyxx/nyxx.dart';
+import 'package:running_on_dart/src/modules/bot_start_duration.dart';
+import 'package:running_on_dart/src/modules/docs.dart';
+import 'package:running_on_dart/src/modules/reminder.dart';
+import 'package:running_on_dart/src/modules/tag.dart';
+
+import 'package:running_on_dart/src/settings.dart' as settings;
+import 'package:running_on_dart/src/util/util.dart';
+
+class BotInfo {
+  String get nyxxVersion => ApiOptions.nyxxVersion;
+  String get version => settings.version;
+  String get dartPlatform => getDartPlatform();
+  String get memoryUserString => getCurrentMemoryString();
+
+  final int cachedGuilds;
+  final int cachedUsers;
+  final int cachedChannels;
+  final int cachedVoiceStates;
+  final int shardCount;
+  final int cachedMessages;
+  final int totalTagsCount;
+  final int totalRemainderCount;
+  final DateTime uptime;
+  final DateTime? docsUpdate;
+
+  BotInfo(
+      {required this.cachedGuilds,
+      required this.cachedUsers,
+      required this.cachedChannels,
+      required this.cachedVoiceStates,
+      required this.shardCount,
+      required this.cachedMessages,
+      required this.totalTagsCount,
+      required this.totalRemainderCount,
+      required this.uptime,
+      required this.docsUpdate});
+
+  Map<String, dynamic> toJson() => {
+        'nyxx_version': nyxxVersion,
+        'version': version,
+        'platform': dartPlatform,
+        'memory_usage_string': memoryUserString,
+        'cached_channels': cachedChannels,
+        'cached_messages': cachedMessages,
+        'cached_guilds': cachedGuilds,
+        'cached_users': cachedUsers,
+        'cached_voice_states': cachedVoiceStates,
+        'shard_count': shardCount,
+        'total_tags_count': totalTagsCount,
+        'total_reminder_count': totalRemainderCount,
+        'uptime': uptime.toIso8601String(),
+        'docs_update': docsUpdate?.toIso8601String(),
+      };
+}
+
+class BotInfoService {
+  final NyxxGateway client = Injector.appInstance.get();
+  final TagModule tagModule = Injector.appInstance.get();
+  final ReminderModule reminderModule = Injector.appInstance.get();
+  final BotStartDuration startDurationModule = Injector.appInstance.get();
+  final DocsModule docsModule = Injector.appInstance.get();
+
+  Future<BotInfo> getCurrentBotInfo() async {
+    final cachedGuilds = client.guilds.cache.length;
+    final cachedUsers = client.users.cache.length;
+    final cachedChannels = client.channels.cache.length;
+    final cachedVoiceStates = client.guilds.cache.values
+        .map((g) => g.voiceStates.length)
+        .fold<num>(0, (value, element) => value + element)
+        .ceil();
+    final shardCount = client.gateway.shards.length;
+    final cachedMessages = client.channels.cache.values
+        .whereType<TextChannel>()
+        .map((c) => c.messages.cache.length)
+        .fold<num>(0, (value, element) => value + element)
+        .ceil();
+    final totalTags = tagModule.countTags();
+    final totalReminders = reminderModule.reminders.length;
+    final botStartDateTime = startDurationModule.startDate;
+    final docsUpdateDateTime = docsModule.lastUpdate;
+
+    return BotInfo(
+        cachedGuilds: cachedGuilds,
+        cachedUsers: cachedUsers,
+        cachedChannels: cachedChannels,
+        cachedVoiceStates: cachedVoiceStates,
+        shardCount: shardCount,
+        cachedMessages: cachedMessages,
+        totalTagsCount: totalTags,
+        totalRemainderCount: totalReminders,
+        uptime: botStartDateTime,
+        docsUpdate: docsUpdateDateTime);
+  }
+}

lib/src/settings.dart

@@ -2,7 +2,7 @@ import 'dart:io';
 
 import 'package:nyxx/nyxx.dart';
 
-String get version => '4.9.3';
+String get version => '4.10.0-dev.8';
 
 /// Get a [String] from an environment variable, throwing an exception if it is not set.
 ///
@@ -17,6 +17,11 @@ String getEnv(String key, [String? def]) =>
 /// instead of throwing an exception.
 bool getEnvBool(String key, [bool? def]) => ['true', '1'].contains(getEnv(key, def?.toString()).toLowerCase());
 
+/// Get a [int] from an environment variable, throwing an exception if cannot be parsed to int.
+int getEnvInt(String key, [int? def]) =>
+    int.tryParse(getEnv(key, def.toString())) ??
+    (throw Exception('Environment variable `$key` cannot be parsed as int'));
+
 /// Name of the bot
 final String botName = getEnv('BOT_NAME', 'Running on Dart');
 
@@ -67,6 +72,22 @@ __Package repositories__:
 ${docsPackages.map((packageName) => '- $packageName: <https://github.com/nyxx-discord/$packageName>').join('\n')}
 ''');
 
+/// The custom content for web server alert box
+final String webServerAlertContent =
+    getEnv('WEB_SERVER_ALERT_CONTENT', '<span class="bold">Experimental version</span>');
+
+/// Whether web server should be enabled
+final bool webServerEnabled = getEnvBool('WEB_SERVER_ENABLE', false);
+
+/// The host of web server
+final String webServerHost = getEnv("WEB_SERVER_HOST", 'localhost');
+
+/// The port of web server
+final int webServerPort = getEnvInt('WEB_SERVER_PORT', 8088);
+
+/// Path to templates directory
+final String webServerTemplatesDirectory = getEnv('WEB_SERVER_TEMPLATES_DIRECTORY', "./templates");
+
 /// The GitHub account to use when no other account is specified.
 final String githubAccount = getEnv('ROD_GITHUB_ACCOUNT', 'nyxx-discord');