Feat: get message by id (#1634)

* feat: get message by id

Add the feature of getting messages by id.
It's loads messages that are not loaded in the Store.Msg, and add them into the Store.Msg.
I don't use the draft because this is already work

* Fix typo

* Fix for test

* Update index.d.ts

---------

Co-authored-by: Rajeh Taher <rajeh@reforward.dev>
Co-authored-by: Codeboss <131376628+codebossdev@users.noreply.github.com>

index.d.ts

@@ -60,6 +60,9 @@ declare namespace WAWebJS {
         /** Get contact instance by ID */
         getContactById(contactId: string): Promise<Contact>
 
+        /** Get message by ID */
+        getMessageById(messageId: string): Promise<Message>
+
         /** Get all current contact instances */
         getContacts(): Promise<Contact[]>
         

src/Client.js

@@ -899,6 +899,24 @@ class Client extends EventEmitter {
         return ContactFactory.create(this, contact);
     }
     
+    async getMessageById(messageId) {
+        const msg = await this.pupPage.evaluate(async messageId => {
+            let msg = window.Store.Msg.get(messageId);
+            if(msg) return window.WWebJS.getMessageModel(msg);
+
+            const params = messageId.split('_');
+            if(params.length !== 3) throw new Error('Invalid serialized message id specified');
+
+            let messagesObject = await window.Store.Msg.getMessagesById([messageId]);
+            if (messagesObject && messagesObject.messages.length) msg = messagesObject.messages[0];
+            
+            if(msg) return window.WWebJS.getMessageModel(msg);
+        }, messageId);
+
+        if(msg) return new Message(this, msg);
+        return null;
+    }
+
     /**
      * Returns an object with information about the invite code's group
      * @param {string} inviteCode