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<?php |
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declare(strict_types=1); |
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namespace FondBot\Conversation; |
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use FondBot\Drivers\Chat; |
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use FondBot\Drivers\User; |
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use FondBot\Drivers\Driver; |
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use FondBot\Channels\Channel; |
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use Psr\SimpleCache\CacheInterface; |
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class ContextManager |
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{ |
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private $cache; |
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public function __construct(CacheInterface $cache) |
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{ |
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$this->cache = $cache; |
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} |
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/** |
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* Load context. |
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* |
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* @param Channel $channel |
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* @param Driver $driver |
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* |
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* @return Context |
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*/ |
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public function load(Channel $channel, Driver $driver): Context |
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{ |
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$chat = $driver->getChat(); |
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$user = $driver->getUser(); |
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$key = $this->key($channel, $chat, $user); |
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$value = $this->cache->get($key, []); |
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return new Context($value['chat'], $value['user'], $value['items']); |
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} |
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/** |
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* Save context. |
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* |
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* @param Context $context |
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*/ |
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public function save(Context $context): void |
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{ |
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$key = $this->key($context->getChannel(), $context->getChat(), $context->getUser()); |
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$this->cache->set($key, $context->toArray()); |
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} |
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/** |
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* Clear context. |
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* |
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* @param Context $context |
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*/ |
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public function clear(Context $context): void |
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{ |
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$key = $this->key($context->getChannel(), $context->getChat(), $context->getUser()); |
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$this->cache->delete($key); |
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} |
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/** |
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* Get key of context. |
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* |
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* @param Channel $channel |
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* @param Chat $chat |
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* @param User $user |
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* |
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* @return string |
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*/ |
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private function key(Channel $channel, Chat $chat, User $user): string |
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{ |
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return 'context.'.$channel->getName().'.'.$chat->getId().'.'.$user->getId(); |
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} |
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} |
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fondbot /
framework
