Represents the result of a generative AI operation.
Description
This DTO contains the generated candidates along with usage statistics and metadata from the AI provider.
Methods
Source
class GenerativeAiResult extends AbstractDataTransferObject implements ResultInterface
{
public const KEY_ID = 'id';
public const KEY_CANDIDATES = 'candidates';
public const KEY_TOKEN_USAGE = 'tokenUsage';
public const KEY_PROVIDER_METADATA = 'providerMetadata';
public const KEY_MODEL_METADATA = 'modelMetadata';
public const KEY_ADDITIONAL_DATA = 'additionalData';
/**
* @var string Unique identifier for this result.
*/
private string $id;
/**
* @var Candidate[] The generated candidates.
*/
private array $candidates;
/**
* @var TokenUsage Token usage statistics.
*/
private \WordPress\AiClient\Results\DTO\TokenUsage $tokenUsage;
/**
* @var ProviderMetadata Provider metadata.
*/
private ProviderMetadata $providerMetadata;
/**
* @var ModelMetadata Model metadata.
*/
private ModelMetadata $modelMetadata;
/**
* @var array<string, mixed> Additional data.
*/
private array $additionalData;
/**
* Constructor.
*
* @since 0.1.0
*
* @param string $id Unique identifier for this result.
* @param Candidate[] $candidates The generated candidates.
* @param TokenUsage $tokenUsage Token usage statistics.
* @param ProviderMetadata $providerMetadata Provider metadata.
* @param ModelMetadata $modelMetadata Model metadata.
* @param array<string, mixed> $additionalData Additional data.
* @throws InvalidArgumentException If no candidates provided.
*/
public function __construct(string $id, array $candidates, \WordPress\AiClient\Results\DTO\TokenUsage $tokenUsage, ProviderMetadata $providerMetadata, ModelMetadata $modelMetadata, array $additionalData = [])
{
if (empty($candidates)) {
throw new InvalidArgumentException('At least one candidate must be provided');
}
$this->id = $id;
$this->candidates = $candidates;
$this->tokenUsage = $tokenUsage;
$this->providerMetadata = $providerMetadata;
$this->modelMetadata = $modelMetadata;
$this->additionalData = $additionalData;
}
/**
* {@inheritDoc}
*
* @since 0.1.0
*/
public function getId(): string
{
return $this->id;
}
/**
* Gets the generated candidates.
*
* @since 0.1.0
*
* @return Candidate[] The candidates.
*/
public function getCandidates(): array
{
return $this->candidates;
}
/**
* {@inheritDoc}
*
* @since 0.1.0
*/
public function getTokenUsage(): \WordPress\AiClient\Results\DTO\TokenUsage
{
return $this->tokenUsage;
}
/**
* Gets the provider metadata.
*
* @since 0.1.0
*
* @return ProviderMetadata The provider metadata.
*/
public function getProviderMetadata(): ProviderMetadata
{
return $this->providerMetadata;
}
/**
* Gets the model metadata.
*
* @since 0.1.0
*
* @return ModelMetadata The model metadata.
*/
public function getModelMetadata(): ModelMetadata
{
return $this->modelMetadata;
}
/**
* {@inheritDoc}
*
* @since 0.1.0
*/
public function getAdditionalData(): array
{
return $this->additionalData;
}
/**
* Gets the total number of candidates.
*
* @since 0.1.0
*
* @return int The total number of candidates.
*/
public function getCandidateCount(): int
{
return count($this->candidates);
}
/**
* Checks if the result has multiple candidates.
*
* @since 0.1.0
*
* @return bool True if there are multiple candidates, false otherwise.
*/
public function hasMultipleCandidates(): bool
{
return $this->getCandidateCount() > 1;
}
/**
* Converts the first candidate to text.
*
* Only text from the content channel is considered. Text within model thought or reasoning is ignored.
*
* @since 0.1.0
*
* @return string The text content.
* @throws RuntimeException If no text content.
*/
public function toText(): string
{
$message = $this->candidates[0]->getMessage();
foreach ($message->getParts() as $part) {
$channel = $part->getChannel();
$text = $part->getText();
if ($channel->isContent() && $text !== null) {
return $text;
}
}
throw new RuntimeException('No text content found in first candidate');
}
/**
* Converts the first candidate to a file.
*
* Only files from the content channel are considered. Files within model thought or reasoning are ignored.
*
* @since 0.1.0
*
* @return File The file.
* @throws RuntimeException If no file content.
*/
public function toFile(): File
{
$message = $this->candidates[0]->getMessage();
foreach ($message->getParts() as $part) {
$channel = $part->getChannel();
$file = $part->getFile();
if ($channel->isContent() && $file !== null) {
return $file;
}
}
throw new RuntimeException('No file content found in first candidate');
}
/**
* Converts the first candidate to an image file.
*
* @since 0.1.0
*
* @return File The image file.
* @throws RuntimeException If no image content.
*/
public function toImageFile(): File
{
$file = $this->toFile();
if (!$file->isImage()) {
throw new RuntimeException(sprintf('File is not an image. MIME type: %s', $file->getMimeType()));
}
return $file;
}
/**
* Converts the first candidate to an audio file.
*
* @since 0.1.0
*
* @return File The audio file.
* @throws RuntimeException If no audio content.
*/
public function toAudioFile(): File
{
$file = $this->toFile();
if (!$file->isAudio()) {
throw new RuntimeException(sprintf('File is not an audio file. MIME type: %s', $file->getMimeType()));
}
return $file;
}
/**
* Converts the first candidate to a video file.
*
* @since 0.1.0
*
* @return File The video file.
* @throws RuntimeException If no video content.
*/
public function toVideoFile(): File
{
$file = $this->toFile();
if (!$file->isVideo()) {
throw new RuntimeException(sprintf('File is not a video file. MIME type: %s', $file->getMimeType()));
}
return $file;
}
/**
* Converts the first candidate to a message.
*
* @since 0.1.0
*
* @return Message The message.
*/
public function toMessage(): Message
{
return $this->candidates[0]->getMessage();
}
/**
* Converts all candidates to text.
*
* @since 0.1.0
*
* @return list<string> Array of text content.
*/
public function toTexts(): array
{
$texts = [];
foreach ($this->candidates as $candidate) {
$message = $candidate->getMessage();
foreach ($message->getParts() as $part) {
$channel = $part->getChannel();
$text = $part->getText();
if ($channel->isContent() && $text !== null) {
$texts[] = $text;
break;
}
}
}
return $texts;
}
/**
* Converts all candidates to files.
*
* @since 0.1.0
*
* @return list<File> Array of files.
*/
public function toFiles(): array
{
$files = [];
foreach ($this->candidates as $candidate) {
$message = $candidate->getMessage();
foreach ($message->getParts() as $part) {
$channel = $part->getChannel();
$file = $part->getFile();
if ($channel->isContent() && $file !== null) {
$files[] = $file;
break;
}
}
}
return $files;
}
/**
* Converts all candidates to image files.
*
* @since 0.1.0
*
* @return list<File> Array of image files.
*/
public function toImageFiles(): array
{
return array_values(array_filter($this->toFiles(), fn(File $file) => $file->isImage()));
}
/**
* Converts all candidates to audio files.
*
* @since 0.1.0
*
* @return list<File> Array of audio files.
*/
public function toAudioFiles(): array
{
return array_values(array_filter($this->toFiles(), fn(File $file) => $file->isAudio()));
}
/**
* Converts all candidates to video files.
*
* @since 0.1.0
*
* @return list<File> Array of video files.
*/
public function toVideoFiles(): array
{
return array_values(array_filter($this->toFiles(), fn(File $file) => $file->isVideo()));
}
/**
* Converts all candidates to messages.
*
* @since 0.1.0
*
* @return list<Message> Array of messages.
*/
public function toMessages(): array
{
return array_values(array_map(fn(\WordPress\AiClient\Results\DTO\Candidate $candidate) => $candidate->getMessage(), $this->candidates));
}
/**
* {@inheritDoc}
*
* @since 0.1.0
*/
public static function getJsonSchema(): array
{
return ['type' => 'object', 'properties' => [self::KEY_ID => ['type' => 'string', 'description' => 'Unique identifier for this result.'], self::KEY_CANDIDATES => ['type' => 'array', 'items' => \WordPress\AiClient\Results\DTO\Candidate::getJsonSchema(), 'minItems' => 1, 'description' => 'The generated candidates.'], self::KEY_TOKEN_USAGE => \WordPress\AiClient\Results\DTO\TokenUsage::getJsonSchema(), self::KEY_PROVIDER_METADATA => ProviderMetadata::getJsonSchema(), self::KEY_MODEL_METADATA => ModelMetadata::getJsonSchema(), self::KEY_ADDITIONAL_DATA => ['type' => 'object', 'additionalProperties' => \true, 'description' => 'Additional data included in the API response.']], 'required' => [self::KEY_ID, self::KEY_CANDIDATES, self::KEY_TOKEN_USAGE, self::KEY_PROVIDER_METADATA, self::KEY_MODEL_METADATA]];
}
/**
* {@inheritDoc}
*
* @since 0.1.0
*
* @return GenerativeAiResultArrayShape
*/
public function toArray(): array
{
return [self::KEY_ID => $this->id, self::KEY_CANDIDATES => array_map(fn(\WordPress\AiClient\Results\DTO\Candidate $candidate) => $candidate->toArray(), $this->candidates), self::KEY_TOKEN_USAGE => $this->tokenUsage->toArray(), self::KEY_PROVIDER_METADATA => $this->providerMetadata->toArray(), self::KEY_MODEL_METADATA => $this->modelMetadata->toArray(), self::KEY_ADDITIONAL_DATA => $this->additionalData];
}
/**
* {@inheritDoc}
*
* @since 0.1.0
*/
public static function fromArray(array $array): self
{
static::validateFromArrayData($array, [self::KEY_ID, self::KEY_CANDIDATES, self::KEY_TOKEN_USAGE, self::KEY_PROVIDER_METADATA, self::KEY_MODEL_METADATA]);
$candidates = array_map(fn(array $candidateData) => \WordPress\AiClient\Results\DTO\Candidate::fromArray($candidateData), $array[self::KEY_CANDIDATES]);
return new self($array[self::KEY_ID], $candidates, \WordPress\AiClient\Results\DTO\TokenUsage::fromArray($array[self::KEY_TOKEN_USAGE]), ProviderMetadata::fromArray($array[self::KEY_PROVIDER_METADATA]), ModelMetadata::fromArray($array[self::KEY_MODEL_METADATA]), $array[self::KEY_ADDITIONAL_DATA] ?? []);
}
/**
* Performs a deep clone of the result.
*
* This method ensures that all nested objects (candidates, token usage, metadata)
* are cloned to prevent modifications to the cloned result from affecting the original.
*
* @since 0.4.2
*/
public function __clone()
{
$clonedCandidates = [];
foreach ($this->candidates as $candidate) {
$clonedCandidates[] = clone $candidate;
}
$this->candidates = $clonedCandidates;
$this->tokenUsage = clone $this->tokenUsage;
$this->providerMetadata = clone $this->providerMetadata;
$this->modelMetadata = clone $this->modelMetadata;
}
}
Changelog
| Version | Description |
|---|---|
| 0.1.0 | Introduced. |
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