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<?php |
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namespace BrainExe\Expression; |
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use BrainExe\Annotations\Annotations\Inject; |
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use BrainExe\Annotations\Annotations\Service; |
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use BrainExe\Core\Traits\EventDispatcherTrait; |
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use BrainExe\Core\Traits\IdGeneratorTrait; |
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use BrainExe\Core\Traits\RedisTrait; |
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use BrainExe\Expression\Listener\RebuildExpressionCache; |
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/** |
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* @Service("Expression.Gateway", public=false) |
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*/ |
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class Gateway |
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{ |
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const REDIS_KEY = 'expressions'; |
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/** |
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* @var Language |
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*/ |
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private $language; |
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use RedisTrait; |
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use IdGeneratorTrait; |
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use EventDispatcherTrait; |
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/** |
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* @Inject("@Expression.Language") |
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* @param Language $language |
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*/ |
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public function __construct(Language $language) |
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{ |
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$this->language = $language; |
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} |
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/** |
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* @param Entity $entity |
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*/ |
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public function save(Entity $entity) |
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{ |
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$entity->expressionId = $entity->expressionId ?: $this->generateUniqueId(); |
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$entity->payload = $entity->payload ?: []; |
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$entity->compiledCondition = $this->language->compile( |
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implode(' && ', $entity->conditions), |
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$this->language->getParameterNames() |
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); |
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$this->getRedis()->hset( |
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self::REDIS_KEY, |
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$entity->expressionId, |
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serialize($entity) |
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); |
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$this->updateCache(); |
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} |
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/** |
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* @return Entity[] |
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*/ |
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public function getAll() |
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{ |
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return array_map( |
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function ($string) { |
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return unserialize($string); |
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}, |
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$this->getRedis()->hgetall(self::REDIS_KEY) |
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); |
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} |
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/** |
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* @param int[] $entityIds |
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* @return Entity[] |
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*/ |
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public function getEntities(array $entityIds) |
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{ |
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return array_map( |
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function ($string) { |
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return unserialize($string); |
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}, |
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$this->getRedis()->hmget(self::REDIS_KEY, $entityIds) |
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); |
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} |
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/** |
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* @param int $expressionId |
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* @return bool |
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*/ |
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public function delete($expressionId) |
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{ |
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$result = $this->getRedis()->hdel(self::REDIS_KEY, [$expressionId]); |
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if ($result) { |
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$this->updateCache(); |
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} |
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return (bool)$result; |
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} |
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private function updateCache() |
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{ |
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$event = new RebuildExpressionCache(); |
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$this->dispatchEvent($event); |
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} |
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} |
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brainexe /
expression
