feat: Implement message reactions

lib/api.dart

@@ -31,7 +31,7 @@ export 'src/api/messages/message.dart' show Message;
 export 'src/api/messages/message_embed.dart' show MessageEmbed, Footer, Image, Thumbnail, Author, Field;
 export 'src/api/color.dart' show Color;
 
-export 'src/api/emoji.dart' show PartialEmoji, Emoji;
+export 'src/api/emoji.dart' show EmojiBuilder, Emoji;
 export 'src/api/role.dart' show Role;
 
 export 'src/api/components/row.dart' show Row;

lib/src/api/components/button.dart

@@ -19,7 +19,7 @@ class Button extends Component {
   String customId;
   String label;
   ButtonStyle style;
-  PartialEmoji? emoji;
+  EmojiBuilder? emoji;
   bool disabled;
 
   Button({ required this.customId, required this.label, required this.style, this.emoji, this.disabled = false }) : super(type: ComponentType.button);
@@ -31,7 +31,7 @@ class Button extends Component {
       'custom_id': customId,
       'label': label,
       'style': style.value,
-      'emoji': emoji?.toJson(),
+      'emoji': emoji?.emoji.toJson(),
       'disabled': disabled
     };
   }

lib/src/api/emoji.dart

@@ -4,6 +4,15 @@ import 'package:mineral/core.dart';
 import 'package:mineral/src/api/managers/emoji_manager.dart';
 import 'package:mineral/src/api/managers/member_manager.dart';
 
+class EmojiBuilder {
+  PartialEmoji emoji;
+
+  EmojiBuilder(this.emoji);
+
+  factory EmojiBuilder.fromUnicode(String label) => EmojiBuilder(PartialEmoji('', label, false));
+  factory EmojiBuilder.fromEmoji(Emoji emoji) => EmojiBuilder(emoji);
+}
+
 class PartialEmoji {
   final Snowflake _id;
   String _label;

lib/src/api/guilds/guild_member_reaction.dart

@@ -0,0 +1,29 @@
+import 'package:http/http.dart';
+import 'package:mineral/api.dart';
+import 'package:mineral/core.dart';
+import 'package:mineral/src/api/emoji.dart';
+import 'package:mineral/src/api/managers/guild_member_reaction_manager.dart';
+import 'package:mineral/src/api/messages/partial_message.dart';
+
+class GuildMemberReaction {
+  final GuildMemberReactionManager _manager;
+  final PartialEmoji _partialEmoji;
+  final PartialMessage _message;
+  final User user;
+
+  GuildMemberReaction(this._manager, this._partialEmoji, this._message, this.user);
+
+  Future<void> remove () async {
+    Http http = ioc.singleton(ioc.services.http);
+
+    String _emoji = _partialEmoji is Emoji
+        ? '${_partialEmoji.label}:${_partialEmoji.id}'
+        : _partialEmoji.label;
+
+    print('/channels/${_message.channel.id}/messages/${_message.id}/reactions/$_emoji/${user.id}');
+    Response response = await http.destroy(url: '/channels/${_message.channel.id}/messages/${_message.id}/reactions/$_emoji/${user.id}');
+    if (response.statusCode == 200) {
+      _manager.reactions.remove(_emoji);
+    }
+  }
+}

lib/src/api/managers/guild_member_reaction_manager.dart

@@ -0,0 +1,15 @@
+import 'package:mineral/api.dart';
+import 'package:mineral/src/api/guilds/guild_member_reaction.dart';
+import 'package:mineral/src/api/managers/cache_manager.dart';
+import 'package:mineral/src/api/messages/partial_message.dart';
+
+class GuildMemberReactionManager extends CacheManager<GuildMemberReaction> {
+  final Map<Snowflake, GuildMemberReaction> reactions = {};
+  final PartialMessage _message;
+  final User _user;
+
+  GuildMemberReactionManager(this._message, this._user);
+
+  PartialMessage get message => _message;
+  User get user => _user;
+}

lib/src/api/managers/message_reaction_manager.dart

@@ -0,0 +1,57 @@
+import 'package:http/http.dart';
+import 'package:mineral/api.dart';
+import 'package:mineral/core.dart';
+import 'package:mineral/src/api/channels/partial_channel.dart';
+import 'package:mineral/src/api/guilds/guild_member_reaction.dart';
+import 'package:mineral/src/api/managers/cache_manager.dart';
+import 'package:mineral/src/api/managers/guild_member_reaction_manager.dart';
+import 'package:mineral/src/api/messages/partial_message.dart';
+
+class MessageReactionManager<C extends PartialChannel, T extends PartialMessage> extends CacheManager {
+  Map<Snowflake, GuildMemberReactionManager> users = {};
+
+  final C _channel;
+  late final T message;
+
+  MessageReactionManager(this._channel);
+
+  Future<void> add (EmojiBuilder emojiBuilder) async {
+    Http http = ioc.singleton(ioc.services.http);
+    MineralClient client = ioc.singleton(ioc.services.client);
+
+    String _emoji = emojiBuilder.emoji is Emoji
+      ? '${emojiBuilder.emoji.label}:${emojiBuilder.emoji.id}'
+      : emojiBuilder.emoji.label;
+
+    Response response = await http.put(url: '/channels/${_channel.id}/messages/${message.id}/reactions/$_emoji/@me', payload: {});
+
+    if (response.statusCode == 204) {
+      final key = emojiBuilder.emoji.id != '' ? emojiBuilder.emoji.id : emojiBuilder.emoji.label;
+      GuildMemberReactionManager? memberCache = users.get(client.user.id);
+
+      if (memberCache == null) {
+        final reactionManager = GuildMemberReactionManager(message, client.user);
+        reactionManager.reactions.putIfAbsent(key, () => GuildMemberReaction(reactionManager, emojiBuilder.emoji, message, client.user));
+
+        users.putIfAbsent(client.user.id, () => reactionManager);
+        memberCache = reactionManager;
+      }
+
+      memberCache.reactions.putIfAbsent(key, () => GuildMemberReaction(
+          memberCache!,
+          emojiBuilder.emoji,
+          message,
+          client.user
+      ));
+    }
+  }
+
+  Future<void> removeAll () async {
+    Http http = ioc.singleton(ioc.services.http);
+
+    Response response = await http.destroy(url: '/channels/${message.channel.id}/messages/${message.id}/reactions');
+    if (response.statusCode == 200) {
+      cache.clear();
+    }
+  }
+}

lib/src/api/messages/dm_message.dart

@@ -2,6 +2,7 @@ import 'package:mineral/api.dart';
 import 'package:mineral/core.dart';
 import 'package:mineral/src/api/channels/dm_channel.dart';
 import 'package:mineral/src/api/components/component.dart';
+import 'package:mineral/src/api/managers/message_reaction_manager.dart';
 import 'package:mineral/src/api/messages/message_attachment.dart';
 import 'package:mineral/src/api/messages/message_sticker_item.dart';
 import 'package:mineral/src/api/messages/partial_message.dart';
@@ -24,14 +25,15 @@ class DmMessage extends PartialMessage<DmChannel> {
     super.pinned,
     super.channelId,
     super.channel,
+    super.reactions,
     this.author,
   );
 
   factory DmMessage.from({ required DmChannel channel, required dynamic payload }) {
     MineralClient client = ioc.singleton(ioc.services.client);
     User? user = client.users.cache.get(payload['author']['id']);
-    List<MessageEmbed> embeds = [];
 
+    List<MessageEmbed> embeds = [];
     for (dynamic element in payload['embeds']) {
       List<Field> fields = [];
       if (element['fields'] != null) {
@@ -86,12 +88,14 @@ class DmMessage extends PartialMessage<DmChannel> {
     }
 
     List<Component> components = [];
-    for (dynamic payload in payload['components']) {
-      Component component = Component.from(payload: payload);
-      components.add(component);
+    if (payload['components'] != null) {
+      for (dynamic payload in payload['components']) {
+        Component component = Component.from(payload: payload);
+        components.add(component);
+      }
     }
 
-    return DmMessage(
+    final message = DmMessage(
       payload['id'],
       payload['content'],
       payload['tts'] ?? false,
@@ -106,7 +110,12 @@ class DmMessage extends PartialMessage<DmChannel> {
       payload['pinned'],
       channel.id,
       channel,
+      MessageReactionManager<DmChannel, DmMessage>(channel),
       user!,
     );
+
+    message.reactions.message = message;
+
+    return message;
   }
 }

lib/src/api/messages/message.dart

@@ -3,6 +3,7 @@ import 'package:mineral/api.dart';
 import 'package:mineral/console.dart';
 import 'package:mineral/core.dart';
 import 'package:mineral/src/api/components/component.dart';
+import 'package:mineral/src/api/managers/message_reaction_manager.dart';
 import 'package:mineral/src/api/messages/message_attachment.dart';
 import 'package:mineral/src/api/messages/message_sticker_item.dart';
 import 'package:mineral/src/api/messages/partial_message.dart';
@@ -25,6 +26,7 @@ class Message extends PartialMessage<TextBasedChannel> {
     super._pinned,
     super._channelId,
     super._channel,
+    super._reactions,
     this._author,
   );
 
@@ -146,7 +148,7 @@ class Message extends PartialMessage<TextBasedChannel> {
       components.add(component);
     }
 
-    return Message(
+    final message = Message(
       payload['id'],
       payload['content'],
       payload['tts'] ?? false,
@@ -161,7 +163,12 @@ class Message extends PartialMessage<TextBasedChannel> {
       payload['pinned'],
       channel.id,
       channel,
+      MessageReactionManager<TextBasedChannel, Message>(channel),
       guildMember,
     );
+
+    message.reactions.message = message;
+
+    return message;
   }
 }

lib/src/api/messages/message_reaction.dart

@@ -0,0 +1,3 @@
+class MessageReaction {
+
+}

lib/src/api/messages/partial_message.dart

@@ -1,6 +1,7 @@
 import 'package:mineral/api.dart';
 import 'package:mineral/src/api/channels/partial_channel.dart';
 import 'package:mineral/src/api/components/component.dart';
+import 'package:mineral/src/api/managers/message_reaction_manager.dart';
 import 'package:mineral/src/api/messages/message_attachment.dart';
 import 'package:mineral/src/api/messages/message_sticker_item.dart';
 
@@ -19,6 +20,7 @@ class PartialMessage<T extends PartialChannel> {
   final bool _pinned;
   final Snowflake _channelId;
   final T _channel;
+  final MessageReactionManager _reactions;
 
   PartialMessage(
     this._id,
@@ -35,6 +37,7 @@ class PartialMessage<T extends PartialChannel> {
     this._pinned,
     this._channelId,
     this._channel,
+    this._reactions,
   );
 
   Snowflake get id => _id;
@@ -48,4 +51,5 @@ class PartialMessage<T extends PartialChannel> {
   bool get isPinned => _pinned;
   Snowflake get channelId => _channelId;
   T get channel => _channel;
+  MessageReactionManager get reactions => _reactions;
 }