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<?php |
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namespace Fenrizbes\PublicationsBundle\Service; |
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use Fenrizbes\PublicationsBundle\Model\Publication; |
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use Fenrizbes\PublicationsBundle\Model\PublicationQuery; |
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class PublicationsService |
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{ |
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/** |
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* Returns a piece of news by its slug |
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* |
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* @param $slug |
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* @param null $type_key |
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* @param null $criteria |
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* @return Publication |
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*/ |
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public function findOne($slug, $type_key = null, $criteria = null) |
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{ |
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return PublicationQuery::create(null, $criteria) |
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->applyBaseFilter($type_key) |
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->filterBySlug($slug) |
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->findOne() |
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; |
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} |
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/** |
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* Returns a propel's pager |
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* |
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* @param string|null $type_key |
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* @param int $limit |
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* @param int $page |
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* @param string $sort_order |
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* @param null $criteria |
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* @return \PropelModelPager |
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*/ |
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public function find($type_key = null, $limit = 10, $page = 1, $sort_order = \Criteria::DESC, $criteria = null) |
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{ |
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return PublicationQuery::create(null, $criteria) |
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->applyBaseFilter($type_key) |
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->applySorting($sort_order) |
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->paginate($page, $limit) |
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; |
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} |
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/** |
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* Returns a random set of publications |
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* |
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* @param string|null $type_key |
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* @param int $limit |
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* @param null $criteria |
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* @return \PropelObjectCollection|Publication|null |
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*/ |
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public function getRandom($type_key = null, $limit = 1, $criteria = null) |
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{ |
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return PublicationQuery::create(null, $criteria) |
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->applyBaseFilter($type_key) |
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->sortRandomly() |
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->findWithLimit($limit) |
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; |
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} |
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/** |
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* Returns next publications |
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* |
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* @param Publication $current |
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* @param int $limit |
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* @param null $criteria |
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* @return \PropelObjectCollection|Publication|null |
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*/ |
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public function getNext(Publication $current, $limit = 1, $criteria = null) |
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{ |
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return $this->getSiblings($current, $limit, \Criteria::GREATER_THAN, $criteria); |
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} |
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/** |
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* Returns previous publications |
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* |
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* @param Publication $current |
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* @param int $limit |
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* @param null $criteria |
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* @return \PropelObjectCollection|Publication|null |
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*/ |
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public function getPrevious(Publication $current, $limit = 1, $criteria = null) |
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{ |
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return $this->getSiblings($current, $limit, \Criteria::LESS_THAN, $criteria); |
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} |
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/** |
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* Returns next or previous publications |
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* |
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* @param Publication $current |
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* @param int $limit |
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* @param string $comparison |
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* @param null $criteria |
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* @return \PropelObjectCollection|Publication|null |
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*/ |
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protected function getSiblings(Publication $current, $limit, $comparison, $criteria = null) |
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{ |
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return PublicationQuery::create(null, $criteria) |
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->applyBaseFilter($current->getPublicationTypeKey()) |
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->filterByCreatedAt($current->getCreatedAt(), $comparison) |
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->applySorting($comparison == \Criteria::GREATER_THAN ? \Criteria::ASC : \Criteria::DESC) |
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->findWithLimit($limit) |
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; |
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} |
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} |
it-blaster /
publications-bundle
