/**
  * @param array $relationsArray
  * @param \Phalcon\Mvc\Model $model
  * @param \Phalcon\Mvc\Model\Relation $relation
  */
 public function save(array $relationsArray, $model, $relation)
 {
     $relationAlias = $relation->getOption('alias');
     $needDeleteRelations = $this->getNeedDelete($relationsArray, $model, $relation);
     $this->delete($needDeleteRelations);
     foreach ($relationsArray as $relationData) {
         $relationData = Params::convertDate($relationData, $this->getDI());
         if (empty($relationData['id'])) {
             $this->create($relationData, $model, $relationAlias);
         } else {
             $this->update($relationData, $model, $relationAlias);
         }
     }
 }
 /**
  * @param \Phalcon\Mvc\Model $model
  * @param \Phalcon\Mvc\Model\Relation $relation
  * @param bool $isConvertToArray
  * @return array|Model\Resultset|\Phalcon\Mvc\Model|void
  */
 private function getAssignRelation(Model $model, Relation $relation, $isConvertToArray = true)
 {
     $alias = $relation->getOption('alias');
     if (!$alias) {
         return;
     }
     $data = $model->{$alias};
     return $data && $isConvertToArray ? $data->toArray() : $data;
 }