From 56166138079053f9179a57ed47981234d802d190 Mon Sep 17 00:00:00 2001
From: Pedro Lopez <pedroslopez@me.com>
Date: Sat, 8 Feb 2020 03:19:51 -0400
Subject: [PATCH] feat: Mention users, get user number from Contact model

---
 README.md                 | 2 +-
 example.js                | 6 ++++++
 src/Client.js             | 3 ++-
 src/structures/Contact.js | 6 ++++++
 src/util/Injected.js      | 3 +++
 5 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 545da52..ad85d0f 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ Take a look at [example.js](https://github.com/pedroslopez/whatsapp-web.js/blob/
 | Add group participants  | ✅  |
 | Kick group participants  | ✅  |
 | Promote/demote group participants | ✅ |
-| Mention users | _pending_ |
+| Mention users | ✅ |
 | Get contact info | ✅ |
 | Get profile pictures | ✅ |
 | Set user status message | ✅ |
diff --git a/example.js b/example.js
index 7251785..8677ac7 100644
--- a/example.js
+++ b/example.js
@@ -131,6 +131,12 @@ client.on('message', async msg => {
         const newStatus = msg.body.split(' ')[1];
         await client.setStatus(newStatus);
         msg.reply(`Status was updated to *${newStatus}*`);
+    } else if (msg.body == '!mention') {
+        const contact = await msg.getContact();
+        const chat = await msg.getChat();
+        chat.sendMessage(`Hi @${contact.number}!`, {
+            mentions: [contact]
+        });
     }
 });
 
diff --git a/src/Client.js b/src/Client.js
index 732f94e..7f0aa82 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -247,7 +247,8 @@ class Client extends EventEmitter {
     async sendMessage(chatId, content, options={}) {
         let internalOptions = {
             caption: options.caption,
-            quotedMessageId: options.quotedMessageId
+            quotedMessageId: options.quotedMessageId,
+            mentionedJidList: Array.isArray(options.mentions) ? options.mentions.map(contact => contact.id._serialized) : [] 
         };
 
         if(content instanceof MessageMedia) {
diff --git a/src/structures/Contact.js b/src/structures/Contact.js
index 7cd7dee..60fd3b7 100644
--- a/src/structures/Contact.js
+++ b/src/structures/Contact.js
@@ -20,6 +20,12 @@ class Contact extends Base {
          */
         this.id = data.id;
 
+        /**
+         * Contact's phone number
+         * @type {string}
+         */
+        this.number = data.userid;
+
         /**
          * Indicates if the contact is a business contact
          * @type {boolean}
diff --git a/src/util/Injected.js b/src/util/Injected.js
index 99d0be1..a4e97ac 100644
--- a/src/util/Injected.js
+++ b/src/util/Injected.js
@@ -40,6 +40,8 @@ exports.LoadUtils = () => {
             delete options.quotedMessageId;
         }
 
+        options.mentionedJidList = options.mentionedJidList.map(cId=> window.Store.Contact.get(cId).id);
+
         let locationOptions = {};
         if (options.location) {
             locationOptions = {
@@ -145,6 +147,7 @@ exports.LoadUtils = () => {
         res.isGroup = contact.isGroup;
         res.isWAContact = contact.isWAContact;
         res.isMyContact = contact.isMyContact;
+        res.userid = contact.userid;
 
         return res;
     };