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<?php |
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/** |
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* ActiveRecord for API |
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* |
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* @link https://github.com/hiqdev/yii2-hiart |
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* @package yii2-hiart |
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* @license BSD-3-Clause |
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* @copyright Copyright (c) 2015-2019, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace hiqdev\hiart; |
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use yii\base\InvalidConfigException; |
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use yii\db\QueryInterface; |
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class ActiveDataProvider extends \yii\data\ActiveDataProvider |
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{ |
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/** |
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* @var ActiveQuery the query that is used to fetch data models and [[totalCount]] |
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* if it is not explicitly set |
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*/ |
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public $query; |
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/** |
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* To improve performance, implemented grid summary and pager loading via AJAX when this attribute is `false` |
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* There is a possibility set this attribute via DI |
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* @see \hipanel\base\SearchModelTrait::search() |
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* |
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* @var bool |
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*/ |
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public bool $countSynchronously = false; |
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public function enableSynchronousCount(): void |
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{ |
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$this->countSynchronously = true; |
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} |
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/** |
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* When receiving the pager and summary through AJAX, to calculate the limit and offset of Grid, |
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* you need to get the maximum possible total count, otherwise the Grid pages will not switch |
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* |
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* @return int |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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protected function prepareTotalCount(): int |
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{ |
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return $this->countSynchronously ? parent::prepareTotalCount() : PHP_INT_MAX; |
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} |
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public function refresh(bool $keepTotalCount = false): void |
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{ |
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$tc = $this->getTotalCount(); |
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parent::refresh(); |
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if ($keepTotalCount) { |
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$this->setTotalCount($tc); |
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} |
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} |
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public function prepareQuery(): QueryInterface |
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{ |
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if (!$this->query instanceof QueryInterface) { |
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throw new InvalidConfigException('The "query" property must be an instance of a class that implements the QueryInterface e.g. yii\db\Query or its subclasses.'); |
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} |
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$query = clone $this->query; |
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if (($pagination = $this->getPagination()) !== false) { |
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$pagination->totalCount = $this->getTotalCount(); |
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$query->limit($pagination->getLimit())->offset($pagination->getOffset()); |
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} |
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if (($sort = $this->getSort()) !== false) { |
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$query->addOrderBy($sort->getOrders()); |
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} |
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return $query; |
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} |
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} |
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hiqdev /
yii2-hiart
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