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<?php |
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namespace Nip\Records\Relations; |
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use Nip\Database\Query\Select as Query; |
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use Nip\HelperBroker; |
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use Nip_Helper_Arrays as ArraysHelper; |
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use Nip\Records\AbstractModels\Record as Record; |
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use Nip\Records\Collections\Associated as AssociatedCollection; |
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use Nip\Records\Collections\Collection; |
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use Nip\Records\Collections\Collection as RecordCollection; |
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use Nip\Records\Relations\Traits\HasCollectionResults; |
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/** |
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* Class HasOneOrMany |
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* @package Nip\Records\Relations |
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*/ |
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abstract class HasOneOrMany extends Relation |
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{ |
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use HasCollectionResults; |
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/** |
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* @var string |
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*/ |
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protected $type = 'hasMany'; |
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/** |
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* @return bool |
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*/ |
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public function save() |
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{ |
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if ($this->hasResults()) { |
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$collection = $this->getResults(); |
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foreach ($collection as $item) { |
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$this->saveResult($item); |
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} |
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} |
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return true; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasResults() |
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{ |
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return $this->isPopulated() && count($this->getResults()) > 0; |
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} |
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/** |
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* @param Record $item |
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*/ |
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public function saveResult(Record $item) |
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{ |
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$primaryKey = $this->getPrimaryKey(); |
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$foreignKey = $this->getFK(); |
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$item->{$foreignKey} = $this->getItem()->{$primaryKey}; |
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$item->saveRecord(); |
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} |
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/** |
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* @throws \Exception |
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*/ |
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public function initResults() |
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{ |
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$collection = $this->newCollection(); |
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if ($this->isPopulatable()) { |
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$query = $this->getQuery(); |
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$items = $this->getWith()->findByQuery($query); |
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$this->populateCollection($collection, $items); |
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} |
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$this->setResults($collection); |
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} |
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/** |
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* @param RecordCollection $collection |
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* @param Collection $items |
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*/ |
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public function populateCollection(RecordCollection $collection, $items) |
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{ |
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foreach ($items as $item) { |
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$collection->add($item); |
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} |
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} |
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/** @noinspection PhpMissingParentCallCommonInspection |
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* @inheritdoc |
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*/ |
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public function populateEagerQueryFromFkList($query, $fkList) |
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{ |
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$query->where($this->getFK() . ' IN ?', $fkList); |
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return $query; |
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} |
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/** @noinspection PhpMissingParentCallCommonInspection |
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* @param RecordCollection $collection |
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* @return array |
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*/ |
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public function getEagerFkList(RecordCollection $collection) |
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{ |
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if ($collection->isEmpty()) { |
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return []; |
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} |
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$key = $this->getPrimaryKey(); |
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/** @var ArraysHelper $arrayHelper */ |
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$arrayHelper = HelperBroker::get('Arrays'); |
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$return = $arrayHelper->pluck($collection, $key); |
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return array_unique($return); |
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} |
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/** |
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* @param array $dictionary |
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* @param Collection $collection |
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* @param Record $record |
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* @return AssociatedCollection |
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*/ |
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public function getResultsFromCollectionDictionary($dictionary, $collection, $record) |
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{ |
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/** Use Relation Primary Key in case it is overwritten */ |
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$foreignKey = $this->getPrimaryKey(); |
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$primaryKey = $record->{$foreignKey}; |
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$collection = $this->newCollection(); |
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if (isset($dictionary[$primaryKey])) { |
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foreach ($dictionary[$primaryKey] as $record) { |
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$collection->add($record); |
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} |
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} |
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return $collection; |
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} |
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/** |
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* Build model dictionary keyed by the relation's foreign key. |
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* |
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* @param RecordCollection $collection |
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* @return array |
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*/ |
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protected function buildDictionary(RecordCollection $collection) |
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{ |
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$dictionary = []; |
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$primaryKey = $this->getDictionaryKey(); |
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foreach ($collection as $record) { |
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$dictionary[$record->{$primaryKey}][] = $record; |
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} |
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return $dictionary; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getDictionaryKey() |
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{ |
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return $this->getFK(); |
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} |
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} |
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bytic /
orm
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