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<?php |
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namespace Helix\Shopify\Api; |
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use Closure; |
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use Helix\Shopify\Api; |
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use Helix\Shopify\Base\AbstractEntity; |
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use Helix\Shopify\Base\Data; |
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class Pool { |
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/** |
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* @var AbstractEntity[] |
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*/ |
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protected $entities = []; |
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/** |
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* @var string[] |
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*/ |
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protected $ids = []; |
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protected function _add (AbstractEntity $entity): void { |
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assert($entity->hasId()); |
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$this->entities[$entity->getId()] = $entity; |
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} |
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/** |
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* @param AbstractEntity $entity |
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* @param string[] $keys |
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*/ |
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protected function _addKeys (AbstractEntity $entity, ...$keys): void { |
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assert($entity->hasId()); |
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$this->ids += array_fill_keys($keys, $entity->getId()); |
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} |
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/** |
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* @param string $key |
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* @param Api|Data $caller |
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* @return null|AbstractEntity |
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*/ |
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protected function _get (string $key, $caller) { |
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if (isset($this->ids[$key])) { |
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return $this->entities[$this->ids[$key]]; |
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} |
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unset($caller); |
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return null; |
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} |
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final public function add (AbstractEntity $entity): void { |
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if ($entity->hasId() and !$entity->isDiff()) { |
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$this->_add($entity); |
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$this->_addKeys($entity, $entity->getPoolKeys()); |
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} |
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} |
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/** |
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* @param string $key |
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* @param Api|Data $caller |
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* @param Closure $factory `fn( $caller ): ?AbstractEntity` |
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* @return null|AbstractEntity |
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*/ |
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final public function get (string $key, $caller, Closure $factory) { |
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/** @var AbstractEntity $entity */ |
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if (!$entity = $this->_get($key, $caller) and $entity = $factory($caller)) { |
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$id = $entity->getId(); |
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if ($this->has($id) and $pooled = $this->_get($id, $caller)) { |
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if ($pooled->__merge($entity)) { // new data? |
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$this->add($pooled); // renew everything |
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} |
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$this->_addKeys($pooled, $key); |
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return $pooled; |
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} |
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$this->add($entity); |
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$this->_addKeys($entity, $key); |
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} |
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return $entity; |
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} |
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/** |
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* Polls. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function has (string $key): bool { |
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return isset($this->ids[$key]); |
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} |
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/** |
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* @param string[] $keys |
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*/ |
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public function remove (...$keys): void { |
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foreach ($keys as $key) { |
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unset($this->entities[$key]); |
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unset($this->ids[$key]); |
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} |
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} |
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} |
hfw /
shopify
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