Get Stories (#3294)

* Get all broadcast

* fixed return msgs

* feat: add usage example

* Update src/structures/Broadcast.js

Co-authored-by: alechkos <93551621+alechkos@users.noreply.github.com>

---------

Co-authored-by: alechkos <93551621+alechkos@users.noreply.github.com>

src/structures/Broadcast.js

@@ -0,0 +1,69 @@
+'use strict';
+
+const Base = require('./Base');
+const Message = require('./Message');
+
+/**
+ * Represents a Status/Story on WhatsApp
+ * @extends {Base}
+ */
+class Broadcast extends Base {
+    constructor(client, data) {
+        super(client);
+
+        if (data) this._patch(data);
+    }
+
+    _patch(data) {
+        /**
+         * ID that represents the chat
+         * @type {object}
+         */
+        this.id = data.id;
+
+        /**
+         * Unix timestamp of last status
+         * @type {number}
+         */
+        this.timestamp = data.t;
+
+        /**
+         * Number of available statuses
+         * @type {number}
+         */
+        this.totalCount = data.totalCount;
+
+        /**
+         * Number of not viewed
+         * @type {number}
+         */
+        this.unreadCount = data.unreadCount;
+
+        /**
+         * Messages statuses
+         * @type {Message[]}
+         */
+        this.msgs = data.msgs.map(msg => new Message(this.client, msg));
+
+        return super._patch(data);
+    }
+
+    /**
+     * Returns the Chat this message was sent in
+     * @returns {Promise<Chat>}
+     */
+    getChat() {
+        return this.client.getChatById(this.id._serialized);
+    }
+
+    /**
+     * Returns the Contact this message was sent from
+     * @returns {Promise<Contact>}
+     */
+    getContact() {
+        return this.client.getContactById(this.id._serialized);
+    }
+
+}
+
+module.exports = Broadcast;