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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\Conversation\Intent; |
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use FondBot\Conversation\Context; |
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use FondBot\Contracts\Conversable; |
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use FondBot\Events\MessageReceived; |
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use FondBot\Conversation\Interaction; |
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class Conversation |
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{ |
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private static $instance; |
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/** |
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* Message received from user. |
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* |
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* @var MessageReceived |
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*/ |
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private $messageReceived; |
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/** |
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* Conversation context. |
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* |
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* @var Context |
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*/ |
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private $context; |
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private $transitioned = false; |
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public function __construct(Channel $channel, MessageReceived $messageReceived) |
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{ |
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$this->messageReceived = $messageReceived; |
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$this->context = Context::load($channel, $messageReceived->getChat(), $messageReceived->getFrom()); |
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} |
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public static function create(Channel $channel, MessageReceived $messageReceived) |
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{ |
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return static::$instance = new static($channel, $messageReceived); |
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} |
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public static function instance(): Conversation |
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{ |
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return static::$instance; |
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} |
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/** |
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* Get context. |
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* |
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* @return Context |
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*/ |
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public function context(): Context |
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{ |
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return $this->context; |
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} |
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/** |
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* Determine if conversation is transitioned. |
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* |
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* @return bool |
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*/ |
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public function transitioned(): bool |
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{ |
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return $this->transitioned; |
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} |
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/** |
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* Determine if conversation is still active. |
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* |
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* @return bool |
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*/ |
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public function isActive(): bool |
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{ |
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return $this->context->getInteraction() !== null; |
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} |
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/** |
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* Resume active conversation. |
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*/ |
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public function resume(): void |
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{ |
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$this->converse($this->context->getInteraction()); |
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} |
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/** |
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* Mark conversation as transitioned. |
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*/ |
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public function markAsTransitioned(): void |
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{ |
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$this->transitioned = true; |
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} |
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/** |
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* Run the conversable. |
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* |
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* @param Conversable $conversable |
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*/ |
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public function converse(Conversable $conversable): void |
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{ |
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$this->context->incrementAttempts(); |
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if ($conversable instanceof Intent) { |
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$this->context->setIntent($conversable)->setInteraction(null); |
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} |
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$conversable->handle($this->messageReceived); |
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} |
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/** |
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* Restart interaction. |
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* |
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* @param Interaction $interaction |
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*/ |
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public function restartInteraction(Interaction $interaction): void |
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{ |
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$this->context->setInteraction(null); |
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$this->converse($interaction); |
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$this->markAsTransitioned(); |
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} |
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} |
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fondbot /
framework
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