Initial commit

src/client/actions/MessageReactionAdd.js

@@ -0,0 +1,55 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+const Partials = require('../../util/Partials');
+
+/*
+{ user_id: 'id',
+     message_id: 'id',
+     emoji: { name: '<27>', id: null },
+     channel_id: 'id',
+     // If originating from a guild
+     guild_id: 'id',
+     member: { ..., user: { ... } } }
+*/
+
+class MessageReactionAdd extends Action {
+  handle(data, fromStructure = false) {
+    if (!data.emoji) return false;
+
+    const user = this.getUserFromMember(data);
+    if (!user) return false;
+
+    // Verify channel
+    const channel = this.getChannel(data);
+    if (!channel?.isTextBased()) return false;
+
+    // Verify message
+    const message = this.getMessage(data, channel);
+    if (!message) return false;
+
+    // Verify reaction
+    const includePartial = this.client.options.partials.includes(Partials.Reaction);
+    if (message.partial && !includePartial) return false;
+    const reaction = message.reactions._add({
+      emoji: data.emoji,
+      count: message.partial ? null : 0,
+      me: user.id === this.client.user.id,
+    });
+    if (!reaction) return false;
+    reaction._add(user);
+    if (fromStructure) return { message, reaction, user };
+    /**
+     * Emitted whenever a reaction is added to a cached message.
+     * @event Client#messageReactionAdd
+     * @param {MessageReaction} messageReaction The reaction object
+     * @param {User} user The user that applied the guild or reaction emoji
+     */
+    this.client.emit(Events.MessageReactionAdd, reaction, user);
+
+    return { message, reaction, user };
+  }
+}
+
+module.exports = MessageReactionAdd;