app/models/Data/User.php: adding findFirstByOAuthID()

app/models/Data/User.php

@@ -2,8 +2,9 @@
 
 namespace App\Model\Data;
 
-use Phalcon\Mvc\Model;
-use InvalidArgumentException;
+use Phalcon\Mvc\Model,
+    InvalidArgumentException,
+    Httpcb\OAuth\UserData\UserDataInterface;
 
 class User extends Model
 {
@@ -207,6 +208,16 @@ class User extends Model
         ]);
     }
 
+    static public function findFirstByOAuthID(UserDataInterface $oauth)
+    {
+        $column = strtolower($oauth->getProvider());
+
+        return self::findFirst([
+            "{$column}_id = :id:",
+            "bind" => [ 'id' => $oauth->getId() ]
+        ]);
+    }
+
     public function beforeSave()
     {
         // Fire event on password create/changed.