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<?php |
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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namespace Maslosoft\Mangan\Traits\DataProvider; |
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use Maslosoft\Addendum\Interfaces\AnnotatedInterface; |
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use Maslosoft\Mangan\Exceptions\ManganException; |
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use Maslosoft\Mangan\Interfaces\Criteria\LimitableInterface; |
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use Maslosoft\Mangan\Interfaces\Criteria\MergeableInterface; |
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use Maslosoft\Mangan\Interfaces\CriteriaAwareInterface; |
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use Maslosoft\Mangan\Interfaces\CriteriaInterface; |
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use Maslosoft\Mangan\Interfaces\PaginationInterface; |
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use Maslosoft\Mangan\Interfaces\SortInterface; |
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use Maslosoft\Mangan\Interfaces\WithCriteriaInterface; |
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use Maslosoft\Mangan\Meta\ManganMeta; |
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use Maslosoft\Mangan\Pagination; |
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/** |
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* ConfigureTrait |
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* |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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trait ConfigureTrait |
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{ |
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protected function configure($modelClass, $config) |
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{ |
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if (is_string($modelClass)) |
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{ |
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$this->setModel(new $modelClass); |
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} |
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elseif (is_object($modelClass)) |
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{ |
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$this->setModel($modelClass); |
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} |
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else |
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{ |
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throw new ManganException('Invalid model type for ' . static::class); |
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} |
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$model = $this->getModel(); |
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// Set criteria from model |
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$criteria = $this->getCriteria(); |
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if ($criteria instanceof MergeableInterface) |
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{ |
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// NOTE: WithCriteria and CriteriaAware have just slightly different method names |
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if ($model instanceof WithCriteriaInterface) |
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{ |
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$criteria->mergeWith($model->getDbCriteria()); |
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} |
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elseif ($model instanceof CriteriaAwareInterface) |
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{ |
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$criteria->mergeWith($model->getCriteria()); |
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} |
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} |
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// Merge criteria from configuration |
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if (isset($config['criteria'])) |
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{ |
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$criteria->mergeWith($config['criteria']); |
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unset($config['criteria']); |
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} |
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// Merge limit from configuration |
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if (isset($config['limit']) && $config['limit'] > 0) |
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{ |
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$criteria->setLimit($config['limit']); |
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unset($config['limit']); |
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} |
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// Merge sorting from configuration |
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if (isset($config['sort'])) |
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{ |
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// Apply default sorting if criteria does not have sort configured |
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$sort = $criteria->getSort(); |
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if (isset($config['sort']['defaultOrder']) && empty($sort)) |
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{ |
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$criteria->setSort($config['sort']['defaultOrder']); |
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} |
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unset($config['sort']); |
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} |
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if (!$criteria->getSelect()) |
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{ |
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$fields = array_keys(ManganMeta::create($model)->fields()); |
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$selected = array_fill_keys($fields, true); |
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$criteria->setSelect($selected); |
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} |
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foreach ($config as $key => $value) |
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{ |
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$this->$key = $value; |
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} |
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} |
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/** |
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* Configure limits, sorti for fetching data |
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* @return CriteriaInterface |
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*/ |
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protected function configureFetch() |
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{ |
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// Setup required objects |
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$sort = $this->getSort(); |
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$criteria = $this->getCriteria(); |
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$pagination = $this->getPagination(); |
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// Apply limits if required |
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if ($pagination !== false && $criteria instanceof LimitableInterface) |
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{ |
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$pagination->setCount($this->getTotalItemCount()); |
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$pagination->apply($criteria); |
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} |
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// Apply sort if required |
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if ($sort->isSorted()) |
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{ |
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$criteria->setSort($sort); |
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} |
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return $criteria; |
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} |
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/** |
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* Returns the sort object. |
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* @return SortInterface the sorting object. If this is false, it means the sorting is disabled. |
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*/ |
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abstract public function getSort(); |
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/** |
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* Returns the pagination object. |
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* @param string $className the pagination object class name, use this param to override default pagination class. |
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* @return PaginationInterface|Pagination|false the pagination object. If this is false, it means the pagination is disabled. |
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*/ |
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abstract public function getPagination($className = Pagination::class); |
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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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abstract public function getTotalItemCount(); |
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/** |
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* @return CriteriaInterface |
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*/ |
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abstract public function getCriteria(); |
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/** |
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* @return AnnotatedInterface |
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*/ |
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abstract public function getModel(); |
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/** |
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* @param $model AnnotatedInterface |
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* @return static |
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*/ |
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abstract public function setModel(AnnotatedInterface $model); |
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} |
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Maslosoft /
Mangan
