Custom project roles inherit from project members

app/Core/Security/Role.php

@@ -49,6 +49,18 @@ class Role
         );
     }
 
+    /**
+     * Check if the given role is custom or not
+     *
+     * @access public
+     * @param  string $role
+     * @return bool
+     */
+    public function isCustomProjectRole($role)
+    {
+        return ! empty($role) && $role !== self::PROJECT_MANAGER && $role !== self::PROJECT_MEMBER && $role !== self::PROJECT_VIEWER;
+    }
+
     /**
      * Get role name
      *