public function get($name)
 {
     $model = Configuration::where('name', '=', $name)->first();
     if ($model) {
         return $model->value;
     }
 }
 public function getModel()
 {
     $model = Configuration::where('name', '=', $this->name)->first();
     if ($model) {
         return $model;
     } else {
         $model = new Configuration();
         $model->name = $this->name;
         return $model;
     }
 }