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<?php |
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namespace Guillermoandrae\Lambda\Contracts; |
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use Guillermoandrae\Http\StatusCodes; |
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abstract class AbstractApiGatewayResponse implements ApiGatewayResponseInterface |
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{ |
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/** |
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* The event data from the API Gateway request. |
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* |
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* @var array |
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*/ |
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protected array $event; |
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/** |
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* HTTP status code; OK returned by default. |
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* |
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* @var int |
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*/ |
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protected int $statusCode = StatusCodes::OK; |
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/** |
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* An array of headers to be sent with the response. |
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* |
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* @var array |
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*/ |
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protected array $headers = []; |
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/** |
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* An array of headers to be sent with every response. |
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* |
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* @var array |
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*/ |
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protected array $requiredHeaders = [ |
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'Access-Control-Allow-Origin' => '*', |
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]; |
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/** |
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* An array of data that represents the body of the response. |
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* |
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* @var array |
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*/ |
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protected array $body = []; |
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final public function setEvent(array $event): static |
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{ |
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$this->event = $event; |
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return $this; |
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} |
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final public function getEvent(): array |
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{ |
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return $this->event; |
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} |
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final public function setStatusCode(int $statusCode): static |
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{ |
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$this->statusCode = $statusCode; |
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return $this; |
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} |
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final public function getStatusCode(): int |
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{ |
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return $this->statusCode; |
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} |
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final public function addHeader(string $name, $value): static |
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{ |
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$this->headers[$name] = $value; |
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return $this; |
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} |
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final public function getHeaders(): array |
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{ |
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return array_merge($this->headers, $this->requiredHeaders); |
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} |
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final public function addBodyMeta(string $name, $value): static |
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{ |
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if (!array_key_exists('meta', $this->body)) { |
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$this->body['meta'] = []; |
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} |
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$this->body['meta'][$name] = $value; |
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return $this; |
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} |
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final public function setBodyData(array $value): static |
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{ |
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$this->body['data'] = $value; |
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return $this; |
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} |
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final public function getBody(): array |
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{ |
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return $this->body; |
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} |
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final public function send(): array |
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{ |
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$this->handle(); |
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$response = [ |
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'statusCode' => $this->getStatusCode(), |
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'headers' => $this->getHeaders(), |
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]; |
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if ($this->body) { |
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$response['body'] = json_encode($this->getBody()); |
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} |
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return $response; |
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} |
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public function handle(): void |
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{ |
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$songs = [ |
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['artist' => 'Afta-1', 'songTitle' => 'Quest', 'albumTitle' => 'Aftathoughts Vol. 1'], |
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['artist' => 'Eric Lau', 'songTitle' => 'Cloud Burst', 'albumTitle' => 'Quadrivium'], |
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['artist' => 'Dr. Who Dat?', 'songTitle' => 'Braziliant Thought', 'albumTitle' => 'Beat Journey'], |
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]; |
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$this->addBodyMeta('count', count($songs)); |
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$this->setBodyData($songs); |
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} |
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} |
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.