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

src/structures/Message.js

@@ -1,8 +1,31 @@
 'use strict';
 
 class Message {
-	constructor() {
+	constructor(serverChannel, data) {
+		this.channel = serverChannel;
+		this.guild = serverChannel.guild;
+		if (data) {
+			this.setup(data);
+		}
+	}
 
+	setup(data) {
+		this.author = this.guild.client.store.get('users', data.author.id);
+		this.content = data.content;
+		this.timestamp = new Date(data.timestamp);
+		this.editedTimestamp = data.edited_timestamp ? new Date(data.edited_timestamp) : null;
+		this.tts = data.tts;
+		this.mentionEveryone = data.mention_everyone;
+		this.nonce = data.nonce;
+		this.embeds = data.embeds;
+		this.attachments = data.attachments;
+		this.mentions = [];
+		for (let mention of data.mentions) {
+			let user = this.guild.client.store.get('users', mention.id);
+			if (user) {
+				this.mentions.push(user);
+			}
+		}
 	}
 }