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<?php |
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declare(strict_types=1); |
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namespace Zanzara; |
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use Closure; |
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use Opis\Closure\SerializableClosure; |
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use React\Promise\PromiseInterface; |
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/** |
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* |
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*/ |
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class ConversationManager |
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{ |
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private const CONVERSATION = "CONVERSATION"; |
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/** |
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* @var ZanzaraCache |
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*/ |
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private $cache; |
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public function __construct(ZanzaraCache $cache) |
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{ |
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$this->cache = $cache; |
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} |
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/** |
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* Get key of the conversation by chatId |
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* @param $chatId |
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* @return string |
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*/ |
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private function getConversationKey($chatId): string |
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{ |
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return self::CONVERSATION . strval($chatId); |
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} |
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public function setConversationHandler($chatId, $handler, bool $skipListeners): PromiseInterface |
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{ |
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$key = "state"; |
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$cacheKey = $this->getConversationKey($chatId); |
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if ($handler instanceof Closure) { |
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$handler = new SerializableClosure($handler); |
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} |
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return $this->cache->doSet($cacheKey, $key, [serialize($handler), $skipListeners]); |
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} |
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public function getConversationHandler($chatId): PromiseInterface |
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{ |
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return $this->cache->get($this->getConversationKey($chatId)) |
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->then(function ($conversation) { |
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if (empty($conversation["state"])) { |
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return null; |
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} |
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$handler = $conversation["state"][0]; |
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$handler = unserialize($handler); |
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if ($handler instanceof SerializableClosure) { |
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$handler = $handler->getClosure(); |
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} |
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return [$handler, $conversation["state"][1]]; |
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}); |
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} |
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/** |
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* delete a cache iteam and return the promise |
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* @param $chatId |
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* @return PromiseInterface |
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*/ |
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public function deleteConversationCache($chatId): PromiseInterface |
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{ |
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return $this->cache->deleteCache([$this->getConversationKey($chatId)]); |
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} |
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} |
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badfarm /
zanzara
