Add ChannelPinsUpdate event

src/client/websocket/packets/WebSocketPacketManager.js

@@ -38,6 +38,7 @@ class WebSocketPacketManager {
     this.register(Constants.WSEvents.MESSAGE_UPDATE, 'MessageUpdate');
     this.register(Constants.WSEvents.VOICE_SERVER_UPDATE, 'VoiceServerUpdate');
     this.register(Constants.WSEvents.MESSAGE_DELETE_BULK, 'MessageDeleteBulk');
+    this.register(Constants.WSEvents.CHANNEL_PINS_UPDATE, 'ChannelPinsUpdate');
   }
 
   get client() {

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

@@ -0,0 +1,38 @@
+const AbstractHandler = require('./AbstractHandler');
+const Constants = require('../../../../util/Constants');
+
+/*
+{ t: 'CHANNEL_PINS_UPDATE',
+  s: 666,
+  op: 0,
+  d:
+   { last_pin_timestamp: '2016-08-28T17:37:13.171774+00:00',
+     channel_id: '314866471639044027' } }
+     */
+
+class ChannelPinsUpdate extends AbstractHandler {
+
+  handle(packet) {
+    const data = packet.d;
+    const client = this.packetManager.client;
+
+    const channel = client.channels.get(data.channel_id);
+    const time = new Date(data.last_pin_timestamp);
+
+    if (channel && time) {
+      return client.emit(Constants.Events.CHANNEL_PINS_UPDATE, channel, time);
+    }
+  }
+
+}
+
+/**
+* Emitted whenever the pins of a Channel are updated. Due to the nature of the WebSocket event, not much information
+* can be provided easily here - you need to manually check the pins yourself.
+*
+* @event Client#channelPinsUpdate
+* @param {Channel} channel The channel that the pins update occured in
+* @param {Date} time the time of the pins update
+*/
+
+module.exports = ChannelPinsUpdate;

src/util/Constants.js

@@ -165,6 +165,7 @@ exports.Events = {
   RECONNECTING: 'reconnecting',
   GUILD_MEMBER_SPEAKING: 'guildMemberSpeaking',
   MESSAGE_BULK_DELETE: 'messageDeleteBulk',
+  CHANNEL_PINS_UPDATE: 'channelPinsUpdate',
 };
 
 exports.WSEvents = {
@@ -195,6 +196,7 @@ exports.WSEvents = {
   FRIEND_REMOVE: 'RELATIONSHIP_REMOVE',
   VOICE_SERVER_UPDATE: 'VOICE_SERVER_UPDATE',
   MESSAGE_DELETE_BULK: 'MESSAGE_DELETE_BULK',
+  CHANNEL_PINS_UPDATE: 'CHANNEL_PINS_UPDATE',
 };
 
 const PermissionFlags = exports.PermissionFlags = {