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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\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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class SelectSource extends AbstractSource |
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{ |
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/** |
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* @var Db\Query\Select instance of select source |
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*/ |
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protected $source; |
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/** |
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* Set Select source |
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* |
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* @param Db\Query\Select $source |
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* |
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* @throws \Bluz\Grid\GridException |
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* @return self |
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*/ |
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public function setSource($source) |
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{ |
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if (!$source instanceof Db\Query\Select) { |
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throw new Grid\GridException("Source of `SelectSource` should be `Db\\Query\\Select` object"); |
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} |
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$this->source = $source; |
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return $this; |
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} |
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/** |
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* Process |
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* |
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* @param array[] $settings |
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* |
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* @return \Bluz\Grid\Data |
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*/ |
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public function process(array $settings = []) |
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{ |
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// process filters |
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if (!empty($settings['filters'])) { |
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foreach ($settings['filters'] 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->source->andWhere($column . ' ' . $this->filters[$filter] . ' ?', $value); |
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} |
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} |
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} |
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// process orders |
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if (!empty($settings['orders'])) { |
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// Obtain a list of columns |
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foreach ($settings['orders'] as $column => $order) { |
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$this->source->addOrderBy($column, $order); |
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} |
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} |
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// process pages |
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$this->source->setLimit($settings['limit']); |
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$this->source->setPage($settings['page']); |
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// prepare query |
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$type = Proxy\Db::getOption('connect', 'type'); |
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if (strtolower($type) === 'mysql') { |
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// MySQL |
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$select = $this->source->getQueryPart('select'); |
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$this->source->select('SQL_CALC_FOUND_ROWS ' . current($select)); |
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$totalSql = 'SELECT FOUND_ROWS()'; |
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} else { |
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// other |
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$totalSource = clone $this->source; |
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$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 Grid\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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