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<?php |
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namespace Woo\GridView\DataProviders; |
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use Illuminate\Database\Eloquent\Builder; |
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use Woo\GridView\Exceptions\GridViewConfigException; |
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use Woo\GridView\GridViewRequest; |
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class EloquentDataProvider extends BaseDataProvider |
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{ |
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protected $filters = false; |
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protected $ordering = false; |
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protected $query; |
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/** |
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* EloquentDataProvider constructor. |
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* @param Builder $query |
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*/ |
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public function __construct(Builder $query) |
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{ |
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$this->query = clone $query; |
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} |
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/** |
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* Applies filter to a column |
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* @param \Closure| $filter |
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* @param string $fieldName |
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* @param Builder $query |
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* @param mixed $value |
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* @return void |
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*/ |
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private function applyFilter($filter, string $fieldName, Builder $query, $value) |
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{ |
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if (is_callable($filter)) { |
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$filter($query, $value); |
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return; |
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} |
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switch ($filter) { |
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case '=': |
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$query->where($fieldName, '=', $value); |
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break; |
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case 'like': |
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$query->where($fieldName, 'LIKE', '%' . $value . '%'); |
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break; |
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default: |
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throw new GridViewConfigException('Unknown filter type: ' . $filter); |
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} |
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} |
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/** |
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* @param GridViewRequest $request |
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* @return Builder |
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*/ |
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protected function baseQuery(GridViewRequest $request) |
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{ |
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$query = clone $this->query; |
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if ($this->filters !== false) { |
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foreach ($request->filters as $field => $value) { |
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if ($this->filters === true || in_array($field, $this->filters)) { |
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$query->where($field, 'LIKE', '%' . $value . '%'); |
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} elseif (!empty($this->filters[$field])) { |
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$this->applyFilter($this->filters[$field], $field, $query, $value); |
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} |
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} |
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} |
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if ($request->sortColumn && ($this->ordering === true || in_array($request->sortColumn, $this->ordering))) { |
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$query->orderBy($request->sortColumn, $request->sortOrder); |
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} |
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return $query; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getCount(GridViewRequest $request) : int |
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{ |
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return $this->baseQuery($request)->count(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getData(GridViewRequest $request) |
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{ |
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$query = $this->baseQuery($request); |
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if ($request->perPage == 0) { |
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return $query->get(); |
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} |
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return $query->offset(($request->page - 1) * $request->perPage) |
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->limit($request->perPage) |
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->get(); |
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} |
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} |
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deniskoronets /
Laravel-GridView
