This commit is somehow result of merge with user_management branch.

app/Models/User.php

@@ -14,6 +14,7 @@ use Illuminate\Foundation\Auth\Access\Authorizable;
 class User extends Model implements AuthenticableInterface
 {
     use Authenticatable, Authorizable, CanResetPassword;
+
     public $timestamps = false;
     protected $fillable = [
         'email',
@@ -31,4 +32,27 @@ class User extends Model implements AuthenticableInterface
         'password',
         'remember_token',
     ];
+
+    const STATE_DELETED = 'deleted';
+    const STATE_BLOCKED = 'blocked';
+    const STATE_ACTIVE = 'active';
+    const ROLE_VISITOR = 'visitor';
+    const ROLE_EDITOR = 'editor';
+    const ROLE_ADMIN = 'admin';
+
+    /**
+     * Validation method for input data
+     *
+     * @param array $data
+     *
+     * @throws ValidationException
+     */
+    public static function validate(array $data)
+    {
+        $valid = true;
+
+        if (!$valid) {
+            throw new ValidationException(Validator::class, 'Invalid request');
+        }
+    }
 }