/**
  * Applies the given where conditions to the model.
  *
  * @param array $where
  * @return void
  */
 protected function applyConditions(array $where)
 {
     foreach ($where as $field => $value) {
         if (is_array($value)) {
             list($field, $condition, $val) = $value;
             $this->model = $this->model->where($field, $condition, $val);
         } else {
             $this->model = $this->model->where($field, '=', $value);
         }
     }
 }