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<?php |
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namespace SleepingOwl\Admin\Display; |
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use Request; |
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use Illuminate\Routing\Router; |
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use Illuminate\Support\Collection; |
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use Illuminate\Database\Eloquent\Builder; |
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use SleepingOwl\Admin\Display\Column\Link; |
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use SleepingOwl\Admin\Display\Column\Text; |
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use SleepingOwl\Admin\Display\Column\Email; |
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use SleepingOwl\Admin\Display\Column\Control; |
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use SleepingOwl\Admin\Contracts\WithRoutesInterface; |
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use SleepingOwl\Admin\Contracts\Display\ColumnInterface; |
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use SleepingOwl\Admin\Contracts\Display\ColumnMetaInterface; |
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class DisplayDatatablesAsync extends DisplayDatatables implements WithRoutesInterface |
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{ |
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/** |
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* Register display routes. |
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* |
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* @param Router $router |
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* |
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* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException |
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*/ |
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public static function registerRoutes(Router $router) |
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{ |
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$routeName = 'admin.display.async'; |
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if (! $router->has($routeName)) { |
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$router->get('{adminModel}/async/{adminDisplayName?}', [ |
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'as' => $routeName, |
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'uses' => 'SleepingOwl\Admin\Http\Controllers\DisplayController@async', |
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]); |
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} |
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$routeName = 'admin.display.async.inlineEdit'; |
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if (! $router->has($routeName)) { |
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$router->post('{adminModel}/async/{adminDisplayName?}', [ |
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'as' => $routeName, |
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'uses' => 'SleepingOwl\Admin\Http\Controllers\AdminController@inlineEdit', |
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]); |
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} |
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} |
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protected $payload; |
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/** |
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* @var string |
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*/ |
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protected $name; |
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/** |
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* @param string|null $name |
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*/ |
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protected $distinct; |
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/** |
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* @var |
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*/ |
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protected $displaySearch = false; |
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/** |
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* @var |
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*/ |
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protected $displayLength = false; |
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/** |
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* DisplayDatatablesAsync constructor. |
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* |
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* @param string|null $name |
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* @param string|null $distinct |
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*/ |
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public function __construct($name = null, $distinct = null) |
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{ |
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parent::__construct(); |
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$this->setName($name); |
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$this->setDistinct($distinct); |
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$this->getColumns()->setView('display.extensions.columns_async'); |
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} |
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/** |
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* Initialize display. |
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*/ |
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public function initialize() |
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{ |
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parent::initialize(); |
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$attributes = Request::all(); |
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array_unshift($attributes, $this->getName()); |
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array_unshift($attributes, $this->getModelConfiguration()->getAlias()); |
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$this->setHtmlAttribute('style', 'width:100%'); |
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$this->setHtmlAttribute('data-url', route('admin.display.async', $attributes)); |
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$this->setHtmlAttribute('data-payload', json_encode($this->payload)); |
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if ($this->getDisplaySearch()) { |
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$this->setHtmlAttribute('data-display-search', 1); |
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} |
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if ($this->getDisplayLength()) { |
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$this->setHtmlAttribute('data-display-dtlength', 1); |
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} |
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} |
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/** |
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* @param bool $length |
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* @return $this |
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*/ |
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public function setDisplayLength($length) |
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{ |
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$this->displayLength = $length; |
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return $this; |
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} |
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/** |
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* @return bool |
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*/ |
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public function getDisplayLength() |
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{ |
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return $this->displayLength; |
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} |
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/** |
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* @param $search |
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* @return $this |
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*/ |
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public function setDisplaySearch($search) |
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{ |
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$this->displaySearch = $search; |
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return $this; |
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} |
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/** |
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* @return bool |
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*/ |
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public function getDisplaySearch() |
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{ |
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return $this->displaySearch; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* @param string $name |
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* |
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* @return $this |
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*/ |
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public function setName($name) |
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{ |
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$this->name = $name; |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getDistinct() |
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{ |
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return $this->distinct; |
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} |
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/** |
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* @param mixed $distinct |
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* |
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* @return $this |
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*/ |
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public function setDistinct($distinct) |
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{ |
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$this->distinct = $distinct; |
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return $this; |
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} |
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/** |
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* Render async request. |
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* |
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* @param \Illuminate\Http\Request $request |
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* |
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* @return array |
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*/ |
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public function renderAsync(\Illuminate\Http\Request $request) |
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{ |
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$query = $this->getRepository()->getQuery(); |
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$totalCount = $query->count(); |
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$filteredCount = 0; |
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if (! is_null($this->distinct)) { |
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$filteredCount = $query->distinct()->count($this->getDistinct()); |
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} |
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$this->modifyQuery($query); |
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$this->applySearch($query, $request); |
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if (is_null($this->distinct)) { |
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$countQuery = clone $query; |
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$countQuery->getQuery()->orders = null; |
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$filteredCount = $countQuery->count(); |
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} |
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$this->applyOffset($query, $request); |
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$collection = $query->get(); |
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return $this->prepareDatatablesStructure($request, $collection, $totalCount, $filteredCount); |
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} |
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/** |
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* Apply offset and limit to the query. |
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* |
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* @param $query |
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* @param \Illuminate\Http\Request $request |
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*/ |
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protected function applyOffset($query, \Illuminate\Http\Request $request) |
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{ |
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$offset = $request->input('start', 0); |
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$limit = $request->input('length', 10); |
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if ($limit == -1) { |
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return; |
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} |
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$query->offset((int) $offset)->limit((int) $limit); |
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} |
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/** |
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* Apply search to the query. |
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* |
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* @param Builder $query |
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* @param \Illuminate\Http\Request $request |
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*/ |
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protected function applySearch(Builder $query, \Illuminate\Http\Request $request) |
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{ |
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$search = $request->input('search.value'); |
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if (empty($search)) { |
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return; |
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} |
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$query->where(function (Builder $query) use ($search) { |
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$columns = $this->getColumns()->all(); |
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foreach ($columns as $column) { |
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if ($column->isSearchable()) { |
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if ($column instanceof ColumnInterface) { |
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if (($metaInstance = $column->getMetaData()) instanceof ColumnMetaInterface) { |
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if (method_exists($metaInstance, 'onSearch')) { |
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$metaInstance->onSearch($column, $query, $search); |
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continue; |
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} |
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} |
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if (is_callable($callback = $column->getSearchCallback())) { |
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$callback($column, $query, $search); |
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continue; |
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} |
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} |
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$query->orWhere($column->getName(), 'like', '%'.$search.'%'); |
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} |
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} |
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}); |
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} |
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/** |
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* Convert collection to the datatables structure. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @param array|Collection $collection |
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* @param int $totalCount |
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* @param int $filteredCount |
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* |
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* @return array |
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*/ |
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protected function prepareDatatablesStructure( |
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\Illuminate\Http\Request $request, |
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Collection $collection, |
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$totalCount, |
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$filteredCount |
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) { |
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$columns = $this->getColumns(); |
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$result = []; |
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$result['draw'] = $request->input('draw', 0); |
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$result['recordsTotal'] = $totalCount; |
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$result['recordsFiltered'] = $filteredCount; |
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$result['data'] = []; |
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foreach ($collection as $instance) { |
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$_row = []; |
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foreach ($columns->all() as $column) { |
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$column->setModel($instance); |
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if ($column instanceof Control) { |
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$column->initialize(); |
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} |
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$_row[] = (string) $column; |
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} |
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$result['data'][] = $_row; |
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} |
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return $result; |
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} |
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/** |
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* @return void |
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*/ |
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public function getCollection() |
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{ |
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} |
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/** |
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* @param $payload |
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*/ |
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public function setPayload($payload) |
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{ |
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$this->payload = $payload; |
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} |
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/** |
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* @return mixed |
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332
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*/ |
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333
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public function getPayload() |
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334
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{ |
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return $this->payload; |
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} |
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/** |
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* @return array |
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340
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*/ |
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341
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public function toArray() |
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342
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{ |
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343
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$params = parent::toArray(); |
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344
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$params['payload'] = $this->payload; |
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345
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346
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return $params; |
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347
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} |
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348
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} |
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349
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|
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: