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<?php |
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declare(strict_types=1); |
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namespace Zanzara\Listener; |
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use React\Promise\Deferred; |
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use React\Promise\PromiseInterface; |
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use Zanzara\ConversationManager; |
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use Zanzara\Telegram\Type\CallbackQuery; |
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use Zanzara\Telegram\Type\Message; |
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use Zanzara\Telegram\Type\Update; |
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/** |
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* |
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*/ |
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abstract class ListenerResolver extends ListenerCollector |
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{ |
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/** |
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* @var ConversationManager |
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*/ |
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protected $conversationManager; |
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/** |
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* @param Update $update |
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* @return PromiseInterface |
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*/ |
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public function resolveListeners(Update $update): PromiseInterface |
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{ |
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$deferred = new Deferred(); |
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$listeners = []; |
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$updateType = $update->getUpdateType(); |
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$this->mergeListenersByType($listeners, $updateType); |
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$this->mergeListenersByType($listeners, Update::class); |
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switch ($updateType) { |
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case CallbackQuery::class: |
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$chatId = $update->getEffectiveChat() ? $update->getEffectiveChat()->getId() : null; |
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$callbackQuery = $update->getCallbackQuery(); |
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$text = $callbackQuery->getMessage() ? $callbackQuery->getMessage()->getText() : null; |
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$this->conversationManager->getConversationHandler($chatId) |
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->then(function ($handlerInfo) use ($deferred, $callbackQuery, $text, &$listeners) { |
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if (!$handlerInfo) { // if we are not in a conversation, call the listeners as usual |
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if ($text) { |
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$this->findListenerAndPush($listeners, 'cb_query_texts', $text); |
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} |
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if ($callbackQuery->getData()) { |
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$this->findListenerAndPush($listeners, 'cb_query_data', $callbackQuery->getData()); |
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} |
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} else { // if we are in a conversation, redirect it only to the conversation step |
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$listeners[] = new Listener($handlerInfo[0], $this->container); |
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} |
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$deferred->resolve($listeners); |
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})->otherwise(function ($e) use ($deferred) { |
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// if something goes wrong, reject the promise |
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$deferred->reject($e); |
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}); |
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break; |
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case Message::class: |
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$text = $update->getMessage()->getText(); |
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$chatId = $update->getEffectiveChat()->getId(); |
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$this->conversationManager->getConversationHandler($chatId) |
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->then(function ($handlerInfo) use ($chatId, $text, $deferred, &$listeners) { |
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if (!$handlerInfo) { // if we are not in a conversation, call the listeners as usual |
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$this->findListenerAndPush($listeners, 'messages', $text); |
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} elseif (!$handlerInfo[1] && $text) { |
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// if we are in a conversation, and listeners are not skipped by the step call, |
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// try to call the matching listeners |
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$listener = $this->findListenerAndPush($listeners, 'messages', $text, true); |
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if (!$listener) { |
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// if no listeners are found, call the next conversation step |
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$listeners[] = new Listener($handlerInfo[0], $this->container); |
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} else { |
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// if listener is found, escape the conversation |
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$this->conversationManager->deleteConversationCache($chatId); |
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} |
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} else { |
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// if the coversation is forcing only the conversation handlers, |
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// skip the other listeners |
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$listeners[] = new Listener($handlerInfo[0], $this->container); |
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} |
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$deferred->resolve($listeners); |
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})->otherwise(function ($e) use ($deferred) { |
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// if something goes wrong, reject the promise |
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$deferred->reject($e); |
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}); |
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break; |
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default: |
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$deferred->resolve($listeners); |
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} |
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return $deferred->promise(); |
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} |
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/** |
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* @param Listener[] $listeners |
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* @param string $listenerType |
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* @param string|null $listenerId |
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* @param bool $skipFallback |
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* @return Listener|null |
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*/ |
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private function findListenerAndPush(array &$listeners, string $listenerType, ?string $listenerId = null, bool $skipFallback = false): ?Listener |
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{ |
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if ($listenerId !== null) { |
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$typedListeners = $this->listeners[$listenerType] ?? []; |
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foreach ($typedListeners as $regex => $listener) { |
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$regexMatched = (bool) preg_match($regex, $listenerId, $matches, PREG_UNMATCHED_AS_NULL); |
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if ($regexMatched) { |
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$parameters = array_unique(array_values(array_slice($matches, 1))); |
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$listeners[] = $listener->setParameters($parameters); |
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return $listener; |
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} |
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} |
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} |
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if (isset($this->listeners['fallback']) && !$skipFallback) { |
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$listeners[] = $this->listeners['fallback']; |
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return $this->listeners['fallback']; |
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} |
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return null; |
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} |
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/** |
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* @param Listener[] $listeners |
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* @param string $listenerType |
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*/ |
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private function mergeListenersByType(array &$listeners, string $listenerType) |
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{ |
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$toMerge = $this->listeners[$listenerType] ?? null; |
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if ($toMerge) { |
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$listeners = array_merge($listeners, $toMerge); |
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} |
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} |
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} |
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badfarm /
zanzara
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