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<?php |
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/** |
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* Bluz Framework Component |
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* |
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* @copyright Bluz PHP Team |
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* @link https://github.com/bluzphp/framework |
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*/ |
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declare(strict_types=1); |
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namespace Bluz\Grid\Source; |
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use Bluz\Db; |
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use Bluz\Grid; |
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use Bluz\Grid\Data; |
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use Bluz\Proxy; |
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/** |
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* SQL Source Adapter for Grid package |
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* |
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* @package Bluz\Grid |
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* @author Anton Shevchuk |
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* |
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* @method Db\Query\Select getSource() |
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*/ |
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class SelectSource extends AbstractSource |
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{ |
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/** |
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* Set Select source |
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* |
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* @param Db\Query\Select $source |
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* |
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* @throws Grid\GridException |
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* @return void |
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*/ |
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public function setSource($source) : void |
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{ |
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if (!$source instanceof Db\Query\Select) { |
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throw new Grid\GridException('Source of `SelectSource` should be `Db\\Query\\Select` object'); |
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} |
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parent::setSource($source); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function process(int $page, int $limit, array $filters = [], array $orders = []) : Data |
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{ |
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// process filters |
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$this->applyFilters($filters); |
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// process orders |
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$this->applyOrders($orders); |
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// process pages |
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$this->getSource()->setLimit($limit); |
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$this->getSource()->setPage($page); |
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// prepare query |
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$type = Proxy\Db::getOption('connect', 'type'); |
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if (strtolower($type) === 'mysql') { |
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// MySQL |
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$selectPart = $this->getSource()->getSelect(); |
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$selectPart[0] = 'SQL_CALC_FOUND_ROWS ' . $selectPart[0]; |
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$this->getSource()->select(...$selectPart); |
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$totalSql = 'SELECT FOUND_ROWS()'; |
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} else { |
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// other |
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$totalSource = clone $this->getSource(); |
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$totalSource->select('COUNT(*)'); |
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$totalSql = $totalSource->getSql(); |
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} |
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$data = []; |
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$total = 0; |
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// run queries |
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// use transaction to avoid errors |
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Proxy\Db::transaction( |
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function () use (&$data, &$total, $totalSql) { |
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$data = $this->source->execute(); |
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$total = (int)Proxy\Db::fetchOne($totalSql); |
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} |
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); |
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$gridData = new Data($data); |
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$gridData->setTotal($total); |
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return $gridData; |
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} |
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/** |
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* Apply filters to Select |
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* |
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* @param array $settings |
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* |
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* @return void |
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*/ |
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private function applyFilters(array $settings) : void |
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{ |
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foreach ($settings as $column => $filters) { |
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foreach ($filters as $filter => $value) { |
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if ($filter === Grid\Grid::FILTER_LIKE) { |
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$value = '%' . $value . '%'; |
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} |
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$this->getSource()->andWhere($column . ' ' . $this->filters[$filter] . ' ?', $value); |
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} |
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} |
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} |
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/** |
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* Apply order to Select |
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* |
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* @param array $settings |
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* |
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* @return void |
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*/ |
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private function applyOrders(array $settings) : void |
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{ |
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// Obtain a list of columns |
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foreach ($settings as $column => $order) { |
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$this->getSource()->addOrderBy($column, $order); |
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} |
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} |
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} |
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bluzphp /
framework
