/**
* @param \Illuminate\Database\Eloquent\Collection $dataCollection
* @param array $columns
* @return \Illuminate\Database\Eloquent\Collection
*/
public function addOrder($dataCollection, $columns)
{
if (!isset($this->defaultSort['property'])) {
$this->defaultSort = $this->findADefault($columns);
}
$this->sortedBy = Request::input('sortedBy', $this->defaultSort['property']);
$this->sortAscending = Request::input('asc', $this->defaultSort['isAscending']);
return $dataCollection->orderBy($this->sortedBy, $this->sortAscending ? 'ASC' : 'DESC');
}
/**
* order by
* @param $attribute
* @param bool $desc 默认升序(false), 如需降序, 传入 true
* @return static
*/
public function orderBy($attribute, bool $desc = false)
{
$this->original->orderBy($attribute, $desc ? 'desc' : 'asc');
return $this;
}