Add MessageCreate handler, set up Message class and add ability to Cache messages

src/client/websocket/packets/WebSocketPacketManager.js

@@ -37,6 +37,7 @@ class WebSocketPacketManager {
 		this.register(Constants.WSEvents.USER_UPDATE, 'UserUpdate');
 		this.register(Constants.WSEvents.VOICE_STATE_UPDATE, 'VoiceStateUpdate');
 		this.register(Constants.WSEvents.TYPING_START, 'TypingStart');
+		this.register(Constants.WSEvents.MESSAGE_CREATE, 'MessageCreate');
 	}
 
 	get client() {

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

@@ -0,0 +1,31 @@
+'use strict';
+
+const AbstractHandler = require('./AbstractHandler');
+const Structure = name => require(`../../../../structures/${name}`);
+const Constants = require('../../../../util/Constants');
+
+const Message = Structure('Message');
+const Guild = Structure('Guild');
+
+class MessageCreateHandler extends AbstractHandler {
+
+	constructor(packetManager) {
+		super(packetManager);
+	}
+
+	handle(packet) {
+		let data = packet.d;
+		let client = this.packetManager.client;
+		let channel = client.store.get('channels', data.channel_id);
+
+		if (channel) {
+			let message = new Message(channel, data);
+			channel._cacheMessage(message);
+			client.emit(Constants.Events.MESSAGE_CREATE, message);
+		}
+
+	}
+
+};
+
+module.exports = MessageCreateHandler;