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

src/structures/TextChannel.js

@@ -4,10 +4,25 @@ const ServerChannel = require('./ServerChannel');
 const TextChannelDataStore = require('./datastore/TextChannelDataStore');
 
 class TextChannel extends ServerChannel {
+
 	constructor(guild, data) {
 		super(guild, data);
 		this.store = new TextChannelDataStore();
 	}
+
+	_cacheMessage(message) {
+		let maxSize = this.client.options.max_message_cache;
+		if (maxSize === 0) {
+			// saves on performance
+			return;
+		}
+
+		let storeKeys = Object.keys(this.store);
+		if (storeKeys.length >= maxSize) {
+			this.store.remove(storeKeys[0]);
+			this.store.add('messages', message);
+		}
+	}
 }
 
 module.exports = TextChannel;