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<?php |
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declare(strict_types=1); |
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namespace FondBot; |
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use FondBot\Traits\Loggable; |
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use FondBot\Channels\Channel; |
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use FondBot\Conversation\Context; |
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use FondBot\Contracts\Channels\User; |
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use FondBot\Contracts\Channels\Driver; |
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use FondBot\Conversation\IntentManager; |
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use FondBot\Conversation\ContextManager; |
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use FondBot\Contracts\Container\Container; |
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use FondBot\Contracts\Conversation\Intent; |
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use FondBot\Contracts\Conversation\Keyboard; |
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use FondBot\Contracts\Channels\OutgoingMessage; |
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use FondBot\Contracts\Conversation\Conversable; |
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use FondBot\Contracts\Conversation\Interaction; |
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use FondBot\Channels\Exceptions\InvalidChannelRequest; |
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use FondBot\Contracts\Channels\Extensions\WebhookVerification; |
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class Bot |
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{ |
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use Loggable; |
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/** @var Bot */ |
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protected static $instance; |
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private $container; |
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private $channel; |
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private $driver; |
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private $request; |
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private $headers; |
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/** @var Context|null */ |
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private $context; |
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protected function __construct( |
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Container $container, |
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Channel $channel, |
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Driver $driver, |
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array $request, |
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array $headers |
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) { |
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$this->container = $container; |
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$this->channel = $channel; |
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$this->driver = $driver; |
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$this->request = $request; |
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$this->headers = $headers; |
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} |
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/** |
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* Create new bot instance. |
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* |
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* @param Container $container |
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* @param Channel $channel |
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* @param Driver $driver |
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* @param array $request |
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* @param array $headers |
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*/ |
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public static function createInstance( |
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Container $container, |
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Channel $channel, |
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Driver $driver, |
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array $request, |
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array $headers |
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): void { |
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static::setInstance( |
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new static($container, $channel, $driver, $request, $headers) |
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); |
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} |
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/** |
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* Get current instance. |
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* |
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* @return Bot |
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*/ |
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public static function getInstance(): Bot |
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{ |
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return static::$instance; |
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} |
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/** |
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* Set instance of the bot. |
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* |
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* @param Bot $instance |
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*/ |
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public static function setInstance(Bot $instance): void |
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{ |
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static::$instance = $instance; |
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} |
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/** |
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* Get context instance. |
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* |
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* @return Context|null |
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*/ |
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public function getContext(): ?Context |
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{ |
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return $this->context; |
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} |
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/** |
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* Set context instance. |
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* |
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* @param Context $context |
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*/ |
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public function setContext(Context $context): void |
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{ |
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$this->context = $context; |
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} |
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/** |
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* Clear context. |
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*/ |
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public function clearContext(): void |
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{ |
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if ($this->context !== null) { |
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$this->contextManager()->clear($this->context); |
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$this->context = null; |
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} |
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} |
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/** |
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* Resolve from container. |
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* |
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* @param string $class |
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* |
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* @return mixed |
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*/ |
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public function get(string $class) |
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{ |
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return $this->container->make($class); |
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} |
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/** |
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* Process webhook request. |
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* |
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* @return mixed |
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*/ |
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public function process() |
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{ |
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try { |
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$this->debug('process', [ |
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'channel' => $this->channel->getName(), |
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'request' => $this->request, |
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'headers' => $this->headers, |
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]); |
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// Driver has webhook verification |
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if ($this->driver instanceof WebhookVerification && $this->driver->isVerificationRequest()) { |
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$this->debug('process.verifyWebhook'); |
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return $this->driver->verifyWebhook(); |
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} |
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// Verify request |
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$this->driver->verifyRequest(); |
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// Resolve context |
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$this->context = $this->contextManager()->resolve($this->channel->getName(), $this->driver); |
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if ($this->context->getInteraction() !== null) { |
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$this->converse($this->context->getInteraction()); |
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} else { |
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$intent = $this->intentManager()->find($this->driver->getMessage()); |
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if ($intent !== null) { |
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$this->converse($intent); |
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} |
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} |
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if ($this->context !== null) { |
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$this->contextManager()->save($this->context); |
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} |
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return 'OK'; |
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} catch (InvalidChannelRequest $exception) { |
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$this->error($exception->getMessage()); |
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return $exception->getMessage(); |
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} |
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} |
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/** |
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* Start conversation. |
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* |
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* @param Conversable|Intent|Interaction $conversable |
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*/ |
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public function converse(Conversable $conversable): void |
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{ |
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if ($conversable instanceof Intent) { |
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$this->context->setIntent($conversable); |
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$this->context->setInteraction(null); |
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$this->context->setValues([]); |
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$conversable->handle($this); |
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} elseif ($conversable instanceof Interaction) { |
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$conversable->handle($this); |
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} |
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} |
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/** |
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* Send message. |
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* |
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* @param User $recipient |
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* @param string $text |
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* @param Keyboard|null $keyboard |
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* @param string|null $driver |
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* |
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* @return OutgoingMessage|null |
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*/ |
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public function sendMessage( |
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User $recipient, |
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string $text, |
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Keyboard $keyboard = null, |
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string $driver = null |
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): ?OutgoingMessage { |
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if ($driver !== null && !$this->driver instanceof $driver) { |
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return null; |
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} |
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return $this->driver->sendMessage( |
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$recipient, |
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$text, |
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$keyboard |
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); |
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} |
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/** |
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* Get context manager. |
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* |
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* @return ContextManager |
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*/ |
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private function contextManager(): ContextManager |
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{ |
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return $this->get(ContextManager::class); |
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} |
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/** |
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* Get intent manager. |
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* |
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* @return IntentManager |
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*/ |
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private function intentManager(): IntentManager |
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{ |
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return $this->get(IntentManager::class); |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: