Create MessageAttachment class

src/structures/Message.js

@@ -1,4 +1,5 @@
 const Collection = require('../util/Collection');
+const Attachment = require('./MessageAttachment');
 /**
  * Represents a Message on Discord
  */
@@ -76,10 +77,13 @@ class Message {
      */
     this.embeds = data.embeds;
     /**
-     * A list of attachments in the message - e.g. Pictures
+     * A collection of attachments in the message - e.g. Pictures - mapped by their ID.
-     * @type {Array<Object>}
+     * @type {Collection<String, MessageAttachment>}
      */
-    this.attachments = data.attachments;
+    this.attachments = new Collection();
+    for (const attachment of data.attachments) {
+      this.attachments.set(attachment.id, new Attachment(this, attachment));
+    }
     /**
      * An object containing a further users, roles or channels collections
      * @type {Object}
@@ -155,7 +159,10 @@ class Message {
       this.embeds = data.embeds;
     }
     if (data.attachments) {
-      this.attachments = data.attachments;
+      this.attachments = new Collection();
+      for (const attachment of data.attachments) {
+        this.attachments.set(attachment.id, new Attachment(this, attachment));
+      }
     }
     if (data.mentions) {
       for (const mention of data.mentions) {

src/structures/MessageAttachment.js

@@ -0,0 +1,56 @@
+/**
+ * Represents an Attachment in a Message
+ */
+class MessageAttachment {
+  constructor(message, data) {
+    /**
+     * The Client that instantiated this Message.
+     */
+    this.client = message.client;
+    /**
+     * The message this attachment is part of.
+     */
+    this.message = message;
+    this.setup(data);
+  }
+
+  setup(data) {
+    /**
+     * The ID of this attachment
+     * @type {String}
+     */
+    this.id = data.id;
+    /**
+     * The file name of this attachment
+     * @type {String}
+     */
+    this.filename = data.filename;
+    /**
+     * The size of this attachment in bytes
+     * @type {Number}
+     */
+    this.filesize = data.size;
+    /**
+     * The URL to this attachment
+     * @type {String}
+     */
+    this.url = data.url;
+    /**
+     * The Proxy URL to this attachment
+     * @type {String}
+     */
+    this.proxyURL = data.url;
+    /**
+     * The height of this attachment (if an image)
+     * @type {?Number}
+     */
+    this.height = data.height;
+    /**
+     * The width of this attachment (if an image)
+     * @type {?Number}
+     */
+    this.width = data.width;
+  }
+}
+
+module.exports = MessageAttachment;