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<?php |
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namespace App\Filters; |
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use Illuminate\Http\Request; |
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abstract class Filters |
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{ |
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/** |
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* @var Request |
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*/ |
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protected $request; |
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/** |
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* The Eloquent builder. |
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* |
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* @var \Illuminate\Database\Eloquent\Builder |
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*/ |
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protected $builder; |
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/** |
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* Registered filters to operate upon. |
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* |
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* @var array |
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*/ |
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protected $filters = []; |
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/** |
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* Create a new ThreadFilters instance. |
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* |
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* @param Request $request |
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*/ |
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public function __construct(Request $request) |
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{ |
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$this->request = $request; |
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} |
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/** |
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* Apply the filters. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $builder |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function apply($builder) |
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{ |
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$this->builder = $builder; |
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foreach ($this->getFilters() as $filter => $value) { |
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if (method_exists($this, $filter)) { |
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$this->$filter($value); |
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} |
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} |
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if ($this->request->filled('orderBy')) { |
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$this->orderBy($this->request->orderBy); |
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} |
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return $this->builder; |
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} |
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/** |
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* Fetch all relevant filters from the request. |
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* |
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* @return array |
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*/ |
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public function getFilters() |
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{ |
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return array_filter($this->request->only($this->filters), function ($item) { |
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return !is_null($item); |
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}); |
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} |
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/** |
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* Order the query by givens orders |
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* |
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* @param $orders |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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protected function orderBy($orders) |
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{ |
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if (! is_array($orders)) { |
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$orders = json_decode($orders, true); |
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} |
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return $this->builder->when(! empty($orders), function ($query) use ($orders) { |
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foreach ($orders as $key => $order) { |
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$query->orderBy($key, $order); |
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} |
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}); |
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} |
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} |
hamidrezaniazi /
upolo
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