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<?php |
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namespace Ps2alerts\Api\Controller\Endpoint; |
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use League\Fractal\Resource\Collection; |
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use League\Fractal\Resource\Item; |
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use Ps2alerts\Api\Contract\DatabaseAwareInterface; |
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use Ps2alerts\Api\Contract\DatabaseAwareTrait; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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abstract class AbstractEndpointController implements |
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DatabaseAwareInterface |
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{ |
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use DatabaseAwareTrait; |
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/** |
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* Contains the repository used for interfacing with the database |
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* |
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* @var \Ps2alerts\Api\Repository\AbstractEndpointRepository |
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*/ |
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protected $repository; |
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/** |
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* Stores the status code |
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* |
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* @var integer |
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*/ |
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protected $statusCode = 200; |
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/** |
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* Holds Fractal |
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* |
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* @var \League\Fractal\Manager |
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*/ |
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protected $fractal; |
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/** |
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* Holds the transformer we're going to use |
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* |
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* @var mixed|\Leage\Fractal\TransformerAbstract |
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*/ |
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protected $transformer; |
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const CODE_WRONG_ARGS = 'API-MALFORMED-REQUEST'; |
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const CODE_NOT_FOUND = 'API-NOT-FOUND'; |
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const CODE_INTERNAL_ERROR = 'API-DOH'; |
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const CODE_UNAUTHORIZED = 'API-UNAUTHORIZED'; |
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const CODE_FORBIDDEN = 'API-DENIED'; |
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const CODE_EMPTY = 'API-EMPTY'; |
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/** |
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* Getter for statusCode |
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* |
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* @return int |
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*/ |
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public function getStatusCode() |
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{ |
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return $this->statusCode; |
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} |
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/** |
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* Setter for statusCode |
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* |
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* @param int $statusCode Value to set |
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* |
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* @return self |
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*/ |
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public function setStatusCode($statusCode) |
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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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/** |
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* Master function to split out appropiate calls |
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* |
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* @param string $kind The kind of data we wish to return |
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* @param array $data The data itself |
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* @param \League\Fractal\TransformerAbstract $callback The transformer class to call |
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* @param \Symfony\Component\HttpFoundation\Request $request The request itself |
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* @param \Symfony\Component\HttpFoundation\Response $response The response object to eventually call |
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* |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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protected function respond($kind, $data, $callback, Request $request, Response $response) |
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{ |
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// Detect what embeds we need |
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$this->getIncludesFromRequest($request); |
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switch ($kind) { |
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case 'item': |
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return $this->respondWithItem($data, $callback, $response); |
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case 'collection': |
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return $this->respondWithCollection($data, $callback, $response); |
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default: |
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return $this->errorInternalError('No Response was defined. Please report this.'); |
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} |
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} |
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/** |
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* Builds an item response in Fractal then hands off to the responder |
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* |
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* @param array $item The item to transform |
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* @param \League\Fractal\TransformerAbstract $callback The Transformer to pass through to Fractal |
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* @param \Symfony\Component\HttpFoundation\Response $response The client's response |
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* |
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* @return array |
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*/ |
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protected function respondWithItem($item, $callback, Response $response) |
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{ |
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$resource = new Item($item, $callback); |
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$rootScope = $this->fractal->createData($resource); |
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return $this->respondWithArray($response, $rootScope->toArray()); |
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} |
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/** |
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* Builds a collection of items from Fractal then hands off to the responder |
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* |
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* @param array $collection The collection to transform |
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* @param \League\Fractal\TransformerAbstract $callback The Transformer to pass through to Fractal |
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* @param \Symfony\Component\HttpFoundation\Response $response The client's response |
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* |
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* @return array |
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*/ |
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protected function respondWithCollection($collection, $callback, Response $response) |
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{ |
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$resource = new Collection($collection, $callback); |
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$rootScope = $this->fractal->createData($resource); |
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return $this->respondWithArray($response, $rootScope->toArray()); |
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} |
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/** |
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* The final step where the formatted array is now sent back as a response in JSON form |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param array $array |
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* |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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protected function respondWithArray(Response $response, array $array) |
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{ |
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$response->setStatusCode($this->getStatusCode()); |
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$response->setContent(json_encode($array)); |
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$response->headers->set('Content-Type', 'application/json'); |
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// This is the end of the road. FIRE ZE RESPONSE! |
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return $response; |
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} |
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/** |
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* Responds gracefully with an error. |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param string $message Response message to put in the error |
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* @param int $errorCode Error code to set |
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* |
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* @return array |
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*/ |
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protected function respondWithError(Response $response, $message, $errorCode) |
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{ |
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if ($this->statusCode === 200) { |
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trigger_error( |
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"This Error code 200 should never be sent. Please report this to the developer.", |
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E_USER_WARNING |
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); |
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} |
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// Pass to responder |
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return $this->respondWithArray($response, [ |
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'error' => [ |
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'code' => $errorCode, |
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'http_code' => $this->statusCode, |
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'message' => $message, |
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] |
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]); |
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} |
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/** |
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* Generates a response with a 404 HTTP error and a given message. |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param string $message |
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* |
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* @return void |
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*/ |
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public function errorEmpty(Response $response, $message = 'No data / Empty') |
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{ |
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return $this->setStatusCode(404) |
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->respondWithError($response, $message, self::CODE_EMPTY); |
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} |
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/** |
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* Generates a Response with a 403 HTTP header and a given message. |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param string $message |
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* |
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* @return void |
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*/ |
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public function errorForbidden(Response $response, $message = 'Forbidden') |
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{ |
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return $this->setStatusCode(403) |
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->respondWithError($response, $message, self::CODE_FORBIDDEN); |
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} |
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/** |
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* Generates a Response with a 500 HTTP header and a given message. |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param string $message |
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* |
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* @return void |
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*/ |
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public function errorInternalError(Response $response, $message = 'Internal Error') |
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{ |
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return $this->setStatusCode(500) |
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->respondWithError($response, $message, self::CODE_INTERNAL_ERROR); |
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} |
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/** |
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* Generates a Response with a 404 HTTP header and a given message. |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param string $message |
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* |
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* @return void |
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*/ |
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public function errorNotFound(Response $response, $message = 'Resource Not Found') |
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{ |
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return $this->setStatusCode(404) |
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->respondWithError($response, $message, self::CODE_NOT_FOUND); |
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} |
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/** |
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* Generates a Response with a 401 HTTP header and a given message. |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param string $message |
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* |
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* @return void |
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*/ |
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public function errorUnauthorized(Response $response, $message = 'Unauthorized') |
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{ |
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return $this->setStatusCode(401) |
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->respondWithError($response, $message, self::CODE_UNAUTHORIZED); |
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} |
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/** |
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* Generates a Response with a 400 HTTP header and a given message. |
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* |
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* @param \Symfony\Component\HttpFoundation\Response $response |
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* @param string $message |
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* |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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public function errorWrongArgs(Response $response, $message = 'Wrong Arguments') |
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{ |
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return $this->setStatusCode(400) |
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->respondWithError($response, $message, self::CODE_WRONG_ARGS); |
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} |
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/** |
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* Reads any requested includes and adds them to the item / collection |
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* |
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* @param Symfony\Component\HttpFoundation\Request $request |
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* |
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* @return void |
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*/ |
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public function getIncludesFromRequest(Request $request) |
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{ |
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$queryString = $request->query->get('embed'); |
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if (! empty($queryString)) { |
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$this->fractal->parseIncludes($request->query->get('embed')); |
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} |
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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: