[+] Expose information about the logged in client (#19)

example.js

@@ -81,6 +81,15 @@ client.on('message', async msg => {
     } else if(msg.body == '!chats') {
         const chats = await client.getChats();
         client.sendMessage(msg.from, `The bot has ${chats.length} chats open.`);
+    } else if(msg.body == '!info') {
+        let info = client.info;
+        client.sendMessage(msg.from, `
+            *Connection info*
+            User name: ${info.pushname}
+            My number: ${info.me.user}
+            Platform: ${info.platform}
+            WhatsApp version: ${info.phone.wa_version}
+        `);
     } else if(msg.body == '!mediainfo' && msg.hasMedia) {
         const attachmentData = await msg.downloadMedia();
         msg.reply(`

index.js

@@ -9,5 +9,6 @@ module.exports = {
     Chat: require('./src/structures/Chat'),
     PrivateChat: require('./src/structures/PrivateChat'),
     GroupChat: require('./src/structures/GroupChat'),
-    Message: require('./src/structures/Message')
+    Message: require('./src/structures/Message'),
+    ClientInfo: require('./src/structures/ClientInfo')
 };

src/Client.js

@@ -9,6 +9,7 @@ const Util = require('./util/Util');
 const { WhatsWebURL, UserAgent, DefaultOptions, Events, WAState } = require('./util/Constants');
 const { ExposeStore, LoadUtils } = require('./util/Injected');
 const ChatFactory = require('./factories/ChatFactory');
+const ClientInfo = require('./structures/ClientInfo');
 const Message = require('./structures/Message');
 
 /**
@@ -98,6 +99,11 @@ class Client extends EventEmitter {
         //Load util functions (serializers, helper functions)
         await page.evaluate(LoadUtils);
 
+        // Expose client info
+        this.info = new ClientInfo(this, await page.evaluate(() => {
+            return Store.Conn.serialize();
+        }));
+
         // Register events
         await page.exposeFunction('onAddMessageEvent', msg => {
             if (!msg.isNewMsg) return;
@@ -115,12 +121,12 @@ class Client extends EventEmitter {
                 this.emit(Events.DISCONNECTED);
                 this.destroy();
             }
-        })
+        });
 
         await page.evaluate(() => {
             Store.Msg.on('add', onAddMessageEvent);
             Store.AppState.on('change:state', onAppStateChangedEvent);
-        }).catch(err => console.log(err.message));
+        });
 
         this.pupBrowser = browser;
         this.pupPage = page;

src/structures/ClientInfo.js

@@ -0,0 +1,27 @@
+'use strict';
+
+const Base = require('./Base');
+
+/**
+ * Current connection information
+ * @extends {Base}
+ */
+class ClientInfo extends Base {
+    constructor(client, data) {
+        super(client);
+
+        if(data) this._patch(data);
+    }
+
+    _patch(data) {
+        this.pushname = data.pushname;
+        this.me = data.me;
+        this.phone = data.phone;
+        this.platform = data.platform;
+
+        return super._patch(data);
+    }
+
+}
+
+module.exports = ClientInfo;