feat: mute/unmute chats (#168)

Co-authored-by: Pedro S. Lopez <pedroslopez@me.com>

example.js

@@ -169,6 +169,12 @@ client.on('message', async msg => {
     } else if (msg.body === '!archive') {
         const chat = await msg.getChat();
         chat.archive();
+    } else if (msg.body === '!mute') {
+        const chat = await msg.getChat();
+        // mute the chat for 20 seconds
+        const unmuteDate = new Date();
+        unmuteDate.setSeconds(unmuteDate.getSeconds() + 20);
+        await chat.mute(unmuteDate);
     } else if (msg.body === '!typing') {
         const chat = await msg.getChat();
         // simulates typing in the chat

src/Client.js

@@ -535,6 +535,32 @@ class Client extends EventEmitter {
         }, chatId);
     }
 
+    /**
+     * Mutes the Chat until a specified date and returns the new mute state
+     * @param {string} chatId ID of the chat that will be muted
+     * @param {Date} unmuteDate Date when the chat will be unmuted
+     * @returns {Promise<Boolean>} new mute state
+     */
+    async muteChat(chatId, unmuteDate) {
+        return await this.pupPage.evaluate(async (chatId, timestamp) => {
+            let chat = await window.Store.Chat.get(chatId);
+            await chat.mute.mute(timestamp, !0);
+        }, chatId, unmuteDate.getTime() / 1000);
+    }
+    
+    /**
+     * Unmutes the Chat and returns the new mute state
+     * @param {string} chatId ID of the chat that will be unmuted
+     * @returns {Promise<Boolean>} new mute state
+     */
+    async unmuteChat(chatId) {
+        return await this.pupPage.evaluate(async chatId => {
+            let chat = await window.Store.Chat.get(chatId);
+            await window.Store.Cmd.muteChat(chat, false);
+            return chat.mute.isMuted;
+        }, chatId);
+    }
+    
     /**
      * Returns the contact ID's profile picture URL, if privacy settings allow it
      * @param {string} contactId the whatsapp user's ID

src/structures/Chat.js

@@ -112,6 +112,23 @@ class Chat extends Base {
         return this.client.unarchiveChat(this.id._serialized);
     }
 
+    /**
+     * Mutes this chat until a specified date
+     * @param {Date} unmuteDate Date at which the Chat will be unmuted
+     * @returns {Promise<Boolean>} new mute state
+     */
+    async mute(unmuteDate) {
+        return this.client.muteChat(this.id._serialized, unmuteDate);
+    }
+    
+    /**
+     * Unmutes this chat
+     * @returns {Promise<Boolean>} new mute state
+     */
+    async unmute() {
+        return this.client.unmuteChat(this.id._serialized);
+    }
+
     /**
      * Loads chat messages, sorted from earliest to latest.
      * @param {Object} searchOptions Options for searching messages. Right now only limit is supported.