Fixed exception implementation for retrieving user preferences

src/PartKeepr/AuthBundle/Exceptions/UserPreferenceNotFoundException.php

@@ -2,15 +2,30 @@
 
 namespace PartKeepr\AuthBundle\Exceptions;
 
+use PartKeepr\AuthBundle\Entity\User;
 use PartKeepr\CoreBundle\Exceptions\TranslatableException;
 
 /**
  * Is thrown when the user preference couldn't be found.
  */
 class UserPreferenceNotFoundException extends TranslatableException
 {
+    private $user;
+    private $key;
+
+    public function __construct(User $user, $key, $code = 0, \Throwable $previous = null)
+    {
+        $this->user = $user;
+        $this->key = $key;
+
+        parent::__construct($code, $previous);
+    }
+
     public function getMessageKey()
     {
-        return 'The requested user preference was not found';
+        return sprintf('The requested user preference %s was not found for user %s',
+            $this->key,
+            $this->user->getUsername()
+        );
     }
 }