<?php
declare (strict_types=1);
namespace WordPress\AiClient\Events;
use WordPress\AiClient\Messages\DTO\Message;
use WordPress\AiClient\Providers\Models\Contracts\ModelInterface;
use WordPress\AiClient\Providers\Models\Enums\CapabilityEnum;
/**
* Event dispatched before a prompt is sent to the AI model.
*
* This event allows listeners to inspect and modify the messages before they
* are sent to the model. The event is not stoppable, meaning the model call
* will always proceed regardless of listener actions.
*
* @since 0.4.0
*/
class BeforeGenerateResultEvent
{
/**
* @var list<Message> The messages to be sent to the model.
*/
private array $messages;
/**
* @var ModelInterface The model that will process the prompt.
*/
private ModelInterface $model;
/**
* @var CapabilityEnum|null The capability being used for generation.
*/
private ?CapabilityEnum $capability;
/**
* Constructor.
*
* @since 0.4.0
*
* @param list<Message> $messages The messages to be sent to the model.
* @param ModelInterface $model The model that will process the prompt.
* @param CapabilityEnum|null $capability The capability being used for generation.
*/
public function __construct(array $messages, ModelInterface $model, ?CapabilityEnum $capability)
{
$this->messages = $messages;
$this->model = $model;
$this->capability = $capability;
}
/**
* Gets the messages to be sent to the model.
*
* @since 0.4.0
*
* @return list<Message> The messages.
*/
public function getMessages(): array
{
return $this->messages;
}
/**
* Gets the model that will process the prompt.
*
* @since 0.4.0
*
* @return ModelInterface The model.
*/
public function getModel(): ModelInterface
{
return $this->model;
}
/**
* Gets the capability being used for generation.
*
* @since 0.4.0
*
* @return CapabilityEnum|null The capability, or null if not specified.
*/
public function getCapability(): ?CapabilityEnum
{
return $this->capability;
}
/**
* Performs a deep clone of the event.
*
* This method ensures that message objects are cloned to prevent
* modifications to the cloned event from affecting the original.
* The model object is not cloned as it is a service object.
*
* @since 0.4.2
*/
public function __clone()
{
$clonedMessages = [];
foreach ($this->messages as $message) {
$clonedMessages[] = clone $message;
}
$this->messages = $clonedMessages;
}
}