Made logic to get mobile phone number overridable.

Author: kim-dongit

src/Providers/MessageBirdVerify.php

@@ -110,12 +110,12 @@ public function verify(User $user, string $token)
      */
     public function sendSMSToken(User $user) : void
     {
-        if (!$user->mobile) {
+        if (!$user->getMobile()) {
             throw new Exception("No mobile phone number found for user {$user->id}.");
         }
 
         $verify = new Verify;
-        $verify->recipient = $user->mobile;
+        $verify->recipient = $user->getMobile();
 
         $result = $this->client->verify->create(
             $verify,

src/TwoFactorAuthenticable.php

@@ -8,6 +8,15 @@
 
 trait TwoFactorAuthenticable
 {
+    /**
+     * Get the mobile phone number to be used. Override in your User model to suit your application.
+     * @return string
+     */
+    public function getMobile() : string
+    {
+        return $this->mobile;
+    }
+
     /**
      * Get the two-factor auth record associated with the user.
      *