Merge branch 'master' of https://github.com/pedroslopez/whatsapp-web.js

example.js

@@ -146,7 +146,6 @@ client.on('message', async msg => {
             const attachmentData = await quotedMsg.downloadMedia();
             client.sendMessage(msg.from, attachmentData, { caption: 'Here\'s your requested media.' });
         }
-
     } else if (msg.body == '!location') {
         msg.reply(new Location(37.422, -122.084, 'Googleplex\nGoogle Headquarters'));
     } else if (msg.location) {
@@ -168,6 +167,9 @@ client.on('message', async msg => {
         } else {
             msg.reply('I can only delete my own messages');
         }
+    } else if (msg.body === '!archive') {
+        const chat = await msg.getChat();
+        chat.archive();
     }
 });
 

src/Client.js

@@ -83,21 +83,34 @@ class Client extends EventEmitter {
             }
 
         } else {
-            // Wait for QR Code
+            const getQrCode = async () => {
-            const QR_CANVAS_SELECTOR = 'canvas';
+                // Check if retry button is present
-            await page.waitForSelector(QR_CANVAS_SELECTOR);
+                var QR_RETRY_SELECTOR = 'div[data-ref] > span > div';
-            const qrImgData = await page.$eval(QR_CANVAS_SELECTOR, canvas => [].slice.call(canvas.getContext('2d').getImageData(0, 0, 264, 264).data));
+                var qrRetry = await page.$(QR_RETRY_SELECTOR);
-            const qr = jsQR(qrImgData, 264, 264).data;
+                if (qrRetry) {
+                    await qrRetry.click();
+                }
 
-            /**
+                // Wait for QR Code
-             * Emitted when the QR code is received
+
-             * @event Client#qr
+                const QR_CANVAS_SELECTOR = 'canvas';
-             * @param {string} qr QR Code
+                await page.waitForSelector(QR_CANVAS_SELECTOR);
-             */
+                const qrImgData = await page.$eval(QR_CANVAS_SELECTOR, canvas => [].slice.call(canvas.getContext('2d').getImageData(0, 0, 264, 264).data));
-            this.emit(Events.QR_RECEIVED, qr);
+                const qr = jsQR(qrImgData, 264, 264).data;
+                /**
+                * Emitted when the QR code is received
+                * @event Client#qr
+                * @param {string} qr QR Code
+                */
+                this.emit(Events.QR_RECEIVED, qr);
+            };
+            getQrCode();
+            let retryInterval = setInterval(getQrCode, 20000); // check for qr code every 20 seconds
 
             // Wait for code scan
             await page.waitForSelector(KEEP_PHONE_CONNECTED_IMG_SELECTOR, { timeout: 0 });
+            clearInterval(retryInterval);
+
         }
 
         await page.evaluate(ExposeStore, moduleRaid.toString());
@@ -296,7 +309,6 @@ class Client extends EventEmitter {
         return new Message(this, newMessage);
     }
 
-
     /**
      * Get all current chat instances
      * @returns {Promise<Array<Chat>>}
@@ -379,6 +391,30 @@ class Client extends EventEmitter {
         });
     }
 
+    /**
+     * Enables and returns the archive state of the Chat
+     * @returns {boolean}
+     */
+    async archiveChat(chatId) {
+        return await this.pupPage.evaluate(async chatId => {
+            let chat = await window.Store.Chat.get(chatId);
+            await window.Store.Cmd.archiveChat(chat, true);
+            return chat.archive;
+        }, chatId);
+    }
+
+    /**
+     * Changes and returns the archive state of the Chat
+     * @returns {boolean}
+     */
+    async unarchiveChat(chatId) {
+        return await this.pupPage.evaluate(async chatId => {
+            let chat = await window.Store.Chat.get(chatId);
+            await window.Store.Cmd.archiveChat(chat, false);
+            return chat.archive;
+        }, chatId);
+    }
+
 }
 
 module.exports = Client;

src/structures/Chat.js

@@ -50,6 +50,12 @@ class Chat extends Base {
          */
         this.timestamp = data.t;
 
+        /**
+         * Indicates if the Chat is archived
+         * @type {boolean}
+         */
+        this.archived = data.archive;
+
         return super._patch(data);
     }
 
@@ -82,6 +88,21 @@ class Chat extends Base {
             return window.WWebJS.sendDeleteChat(chatId);
         }, this.id._serialized);
     }
+
+    /**
+     * Archives this chat
+     */
+    async archive() {
+        return this.client.archiveChat(this.id._serialized);
+    }
+
+    /**
+     * un-archives this chat
+     */
+    async unarchive() {
+        return this.client.unarchiveChat(this.id._serialized);
+    }
+    
 }
 
 module.exports = Chat;