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<?php |
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/** |
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* This software package is licensed under AGPL or Commercial license. |
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* |
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* @package maslosoft/mangan |
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* @licence AGPL or Commercial |
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* @copyright Copyright (c) Piotr Masełkowski <[email protected]> |
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* @copyright Copyright (c) Maslosoft |
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* @copyright Copyright (c) Others as mentioned in code |
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* @link https://maslosoft.com/mangan/ |
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*/ |
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namespace Maslosoft\Mangan; |
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use Maslosoft\Mangan\Interfaces\DataProviderInterface; |
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use Maslosoft\Mangan\Interfaces\FinderInterface; |
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use Maslosoft\Mangan\Traits\DataProvider\ConfigureTrait; |
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use Maslosoft\Mangan\Traits\DataProvider\CriteriaTrait; |
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use Maslosoft\Mangan\Traits\DataProvider\DataTrait; |
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use Maslosoft\Mangan\Traits\DataProvider\PaginationTrait; |
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use Maslosoft\Mangan\Traits\ModelAwareTrait; |
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use Maslosoft\Mangan\Traits\SortAwareTrait; |
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/** |
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* Mongo document data provider |
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* |
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* Implements a data provider based on Document. |
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* |
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* DataProvider provides data in terms of Document objects which are |
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* of class {@link modelClass}. It uses the AR {@link EntityManager::findAll} method |
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* to retrieve the data from database. The {@link query} property can be used to |
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* specify various query options, such as conditions, sorting, pagination, etc. |
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* |
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* @author Ianaré Sévi |
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* @author Dariusz Górecki <[email protected]> |
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* @author Invenzzia Group, open-source division of CleverIT company http://www.invenzzia.org |
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* @copyright 2011 CleverIT http://www.cleverit.com.pl |
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* @since v1.0 |
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*/ |
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class DataProvider implements DataProviderInterface |
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{ |
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use ConfigureTrait, |
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CriteriaTrait, |
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DataTrait, |
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ModelAwareTrait, |
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PaginationTrait, |
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SortAwareTrait; |
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const CriteriaClass = Criteria::class; |
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/** |
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* Finder instance |
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* @var FinderInterface|Finder |
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*/ |
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private $finder = null; |
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private $totalItemCount = null; |
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/** |
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* Constructor. |
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* @param mixed $modelClass the model class (e.g. 'Post') or the model finder instance |
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* (e.g. <code>Post::model()</code>, <code>Post::model()->published()</code>). |
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* @param array $config configuration (name=>value) to be applied as the initial property values of this class. |
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* @since v1.0 |
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*/ |
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public function __construct($modelClass, $config = []) |
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{ |
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$this->configure($modelClass, $config); |
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$this->finder = Finder::create($this->getModel()); |
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} |
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/** |
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* Returns the number of data items in the current page. |
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* This is equivalent to <code>count($provider->getData())</code>. |
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* When {@link pagination} is set false, this returns the same value as {@link totalItemCount}. |
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* @param boolean $refresh whether the number of data items should be re-calculated. |
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* @return integer the number of data items in the current page. |
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*/ |
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public function getItemCount($refresh = false) |
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{ |
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return count($this->getData($refresh)); |
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} |
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/** |
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* Returns the total number of data items. |
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* When {@link pagination} is set false, this returns the same value as {@link itemCount}. |
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* @return integer total number of possible data items. |
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*/ |
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public function getTotalItemCount() |
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{ |
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if ($this->totalItemCount === null) |
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{ |
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$this->totalItemCount = $this->finder->count($this->getCriteria()); |
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} |
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return $this->totalItemCount; |
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} |
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/** |
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* Fetches the data from the persistent data storage. |
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* @return Document[]|Cursor list of data items |
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* @since v1.0 |
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*/ |
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protected function fetchData() |
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{ |
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$criteria = $this->configureFetch(); |
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// Finally apply all to finder |
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return $this->finder->findAll($criteria); |
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} |
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} |
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Maslosoft /
Mangan
