/**
* @param Builder $builder
* @param SortParameterInterface $param
*/
protected function sortBy(Builder $builder, SortParameterInterface $param)
{
$column = $this->getQualifiedSortColumn($builder, $param->getField());
$order = $param->isAscending() ? 'asc' : 'desc';
$builder->orderBy($column, $order);
}
/**
* @param JsonLibrarySortParameterInterface $sortParameter
*
* @return SortParameterInterface|null
*/
protected function mapSortField(JsonLibrarySortParameterInterface $sortParameter)
{
$this->resetSchema();
$mappedParam = null;
$jsonName = $sortParameter->getField();
if ($this->isId($jsonName) === true) {
$column = $this->getModelSchemes()->getPrimaryKey($this->getCurrentModelClass());
$mappedParam = $this->createSortAttributeParameter($sortParameter, $column);
} elseif ($this->canMapAttribute($jsonName) === true) {
$column = $this->getAttributeMappings()[$jsonName];
$mappedParam = $this->createSortAttributeParameter($sortParameter, $column);
} elseif ($this->canMapRelationship($jsonName) === true) {
$modelName = $this->getRelationshipMappings()[$jsonName];
$type = $this->getModelSchemes()->getRelationshipType($this->getCurrentModelClass(), $modelName);
if ($type === RelationshipTypes::BELONGS_TO) {
$mappedParam = $this->createSortRelationshipParameter($sortParameter, $modelName, $type);
}
}
return $mappedParam;
}
/**
* @inheritdoc
*/
public function isAscending()
{
return $this->libSortParam->isAscending();
}
