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<?php |
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namespace SebastianBerc\Repositories\Services; |
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use Illuminate\Contracts\Container\Container as Application; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Support\Collection; |
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use SebastianBerc\Repositories\Contracts\CriteriaInterface; |
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use SebastianBerc\Repositories\Contracts\ServiceInterface; |
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use SebastianBerc\Repositories\Repository; |
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/** |
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* Class CriteriaService. |
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* |
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* @author Sebastian Berć <[email protected]> |
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* @copyright Copyright (c) Sebastian Berć |
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*/ |
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class CriteriaService implements ServiceInterface |
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{ |
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/** |
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* Contains application instance. |
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* |
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* @var Application |
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*/ |
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protected $app; |
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/** |
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* Contains repository instance. |
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* |
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* @var Repository |
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*/ |
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protected $repository; |
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/** |
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* Contains stack of criterias. |
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* |
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* @var Collection |
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*/ |
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protected $stack; |
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/** |
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* Create a new criteria service instance. |
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* |
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* @param Application $app |
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* @param Repository $repository |
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*/ |
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public function __construct(Application $app, Repository $repository) |
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{ |
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$this->app = $app; |
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$this->repository = $repository; |
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$this->stack = new Collection(); |
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} |
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/** |
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* Add criteria to stack. |
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* |
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* @param CriteriaInterface $criteria |
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* |
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* @return $this |
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*/ |
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public function addCriteria(CriteriaInterface $criteria) |
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{ |
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$this->stack->push($criteria); |
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return $this; |
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} |
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/** |
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* Determinate if service stack has any criteria. |
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* |
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* @return bool |
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*/ |
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public function hasCriteria() |
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{ |
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return !$this->stack->isEmpty(); |
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} |
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/** |
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* Returns all criteria from stack. |
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* |
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* @return array |
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*/ |
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public function getCriterias() |
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{ |
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return $this->stack->all(); |
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} |
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/** |
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* Remove one or all criteria from stack. |
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* |
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* @param string $criteriaName |
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* |
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* @return bool |
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*/ |
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public function removeCriteria($criteriaName = '') |
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{ |
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if (!empty($criteriaName)) { |
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$this->stack = $this->stack->filter(function (CriteriaInterface $criteria) use ($criteriaName) { |
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return !is_a($criteria, $criteriaName); |
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}); |
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return true; |
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} |
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$this->stack = new Collection(); |
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return true; |
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} |
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/** |
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* Execute an criterias from the stack on given query builder. |
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* |
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* @param Builder $query |
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* |
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* @return Builder |
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*/ |
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public function executeOn(Builder $query) |
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{ |
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$this->stack->each(function (CriteriaInterface $criteria) use ($query) { |
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$criteria->execute($query); |
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}); |
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return $query; |
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} |
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} |
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SebastianBerc /
Repositories
