Add full guild emoji functionality (#749)

* all the emoji stuff

* fix things for hydra 😘

* feck i need to stop committing on github

* update docs again

* Butts

src/client/ClientDataManager.js

@@ -3,6 +3,7 @@ const cloneObject = require('../util/CloneObject');
 const Guild = require('../structures/Guild');
 const User = require('../structures/User');
 const DMChannel = require('../structures/DMChannel');
+const Emoji = require('../structures/Emoji');
 const TextChannel = require('../structures/TextChannel');
 const VoiceChannel = require('../structures/VoiceChannel');
 const GuildChannel = require('../structures/GuildChannel');
@@ -73,6 +74,26 @@ class ClientDataManager {
     return null;
   }
 
+  newEmoji(data, guild) {
+    const already = guild.emojis.has(data.id);
+    if (data && !already) {
+      let emoji = new Emoji(guild, data);
+      this.client.emit(Constants.Events.EMOJI_CREATE, emoji);
+      guild.emojis.set(emoji.id, emoji);
+      return emoji;
+    } else if (already) {
+      return guild.emojis.get(data.id);
+    }
+
+    return null;
+  }
+
+  killEmoji(emoji) {
+    if (!(emoji instanceof Emoji && emoji.guild)) return;
+    this.client.emit(Constants.Events.EMOJI_DELETE, emoji);
+    emoji.guild.emojis.delete(emoji.id);
+  }
+
   killGuild(guild) {
     const already = this.client.guilds.has(guild.id);
     this.client.guilds.delete(guild.id);

src/client/actions/ActionsManager.js

@@ -20,6 +20,9 @@ class ActionsManager {
     this.register('UserGet');
     this.register('UserUpdate');
     this.register('GuildSync');
+    this.register('GuildEmojiCreate');
+    this.register('GuildEmojiDelete');
+    this.register('GuildEmojiUpdate');
   }
 
   register(name) {

src/client/actions/GuildEmojiCreate.js

@@ -0,0 +1,18 @@
+const Action = require('./Action');
+
+class EmojiCreateAction extends Action {
+  handle(data, guild) {
+    const client = this.client;
+    const emoji = client.dataManager.newEmoji(data, guild);
+    return {
+      emoji,
+    };
+  }
+}
+
+/**
+ * Emitted whenever an emoji is created
+ * @event Client#guildEmojiCreate
+ * @param {Emoji} emoji The emoji that was created.
+ */
+module.exports = EmojiCreateAction;

src/client/actions/GuildEmojiDelete.js

@@ -0,0 +1,18 @@
+const Action = require('./Action');
+
+class EmojiDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    client.dataManager.killEmoji(data);
+    return {
+      data,
+    };
+  }
+}
+
+/**
+ * Emitted whenever an emoji is deleted
+ * @event Client#guildEmojiDelete
+ * @param {Emoji} emoji The emoji that was deleted.
+ */
+module.exports = EmojiDeleteAction;

src/client/actions/GuildEmojiUpdate.js

@@ -0,0 +1,27 @@
+const Action = require('./Action');
+const Constants = require('../../util/Constants');
+
+class GuildEmojiUpdateAction extends Action {
+  handle(data, guild) {
+    const client = this.client;
+    for (let emoji of data.emojis) {
+      const already = guild.emojis.has(emoji.id);
+      emoji = client.dataManager.newEmoji(emoji, guild);
+      if (already) client.emit(Constants.Events.GUILD_EMOJI_UPDATE, guild, emoji);
+    }
+    for (let emoji of guild.emojis) {
+      if (!data.emoijs.has(emoji.id)) client.dataManager.killEmoji(emoji);
+    }
+    return {
+      emojis: data.emojis,
+    };
+  }
+}
+
+/**
+ * Emitted whenever an emoji is updated
+ * @event Client#guildEmojiUpdate
+ * @param {Guild} guild The guild that the emoji was updated in.
+ * @param {Emoji} emoji The emoji that was updated.
+ */
+module.exports = GuildEmojiUpdateAction;

src/client/rest/RESTMethods.js

@@ -7,7 +7,6 @@ const User = requireStructure('User');
 const GuildMember = requireStructure('GuildMember');
 const Role = requireStructure('Role');
 const Invite = requireStructure('Invite');
-const Emoji = requireStructure('Emoji');
 
 class RESTMethods {
   constructor(restManager) {
@@ -522,15 +521,17 @@ class RESTMethods {
     return new Promise((resolve, reject) => {
       this.rest.makeRequest('post', `${Constants.Endpoints.guildEmojis(guild.id)}`, true, { name: name, image: image })
       .then(data => {
-        resolve(new Emoji(guild, data));
+        resolve(this.rest.client.actions.EmojiCreate.handle(data, guild).emoji);
       }).catch(reject);
     });
   }
 
-  deleteEmoji(guild, id) {
+  deleteEmoji(emoji) {
     return new Promise((resolve, reject) => {
-      this.rest.makeRequest('delete', `${Constants.Endpoints.guildEmojis(guild.id)}/${id}`, true)
+      this.rest.makeRequest('delete', `${Constants.Endpoints.guildEmojis(emoji.guild.id)}/${emoji.id}`, true)
-      .then(resolve).catch(reject);
+      .then(() => {
+        resolve(this.rest.client.actions.EmojiDelete.handle(emoji).data);
+      }).catch(reject);
     });
   }
 }

src/client/websocket/packets/handlers/GuildEmojiUpdate.js

@@ -0,0 +1,13 @@
+const AbstractHandler = require('./AbstractHandler');
+
+class GuildEmojiUpdate extends AbstractHandler {
+  handle(packet) {
+    const client = this.packetManager.client;
+    const data = packet.d;
+    const guild = client.guilds.get(data.guild_id);
+    if (!guild) return;
+    client.actions.EmojiUpdate.handle(data, guild);
+  }
+}
+
+module.exports = GuildEmojiUpdate;

src/structures/Guild.js

@@ -592,8 +592,8 @@ class Guild {
    * @returns {Promise}
    */
   deleteEmoji(emoji) {
-    if (emoji instanceof Emoji) emoji = emoji.id;
+    if (!(emoji instanceof Emoji)) emoji = this.emojis.get(emoji);
-    return this.client.rest.methods.deleteEmoji(this, emoji);
+    return this.client.rest.methods.deleteEmoji(emoji);
   }
 
   /**

src/util/Constants.js

@@ -158,6 +158,9 @@ exports.Events = {
   GUILD_ROLE_DELETE: 'guildRoleDelete',
   GUILD_ROLE_UPDATE: 'guildRoleUpdate',
   GUILD_MEMBER_AVAILABLE: 'guildMemberAvailable',
+  GUILD_EMOJI_CREATE: 'guildEmojiCreate',
+  GUILD_EMOJI_DELETE: 'guildEmojiDelete',
+  GUILD_EMOJI_UPDATE: 'guildEmojiUpdate',
   CHANNEL_CREATE: 'channelCreate',
   CHANNEL_DELETE: 'channelDelete',
   CHANNEL_UPDATE: 'channelUpdate',