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<?php |
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namespace Mpociot\ApiDoc\Tools; |
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use Faker\Factory; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use Illuminate\Routing\Route; |
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use Mpociot\Reflection\DocBlock; |
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use Mpociot\Reflection\DocBlock\Tag; |
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use Mpociot\ApiDoc\Tools\Traits\ParamHelpers; |
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class Generator |
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{ |
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use ParamHelpers; |
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/** |
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* @var string The seed to be used with Faker. |
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* Useful when you want to always have the same fake output. |
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*/ |
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private $fakerSeed = null; |
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public function __construct(string $fakerSeed = null) |
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{ |
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$this->fakerSeed = $fakerSeed; |
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} |
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/** |
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* @param Route $route |
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* |
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* @return mixed |
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*/ |
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public function getUri(Route $route) |
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{ |
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return $route->uri(); |
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} |
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/** |
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* @param Route $route |
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* |
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* @return mixed |
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*/ |
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public function getMethods(Route $route) |
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{ |
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return array_diff($route->methods(), ['HEAD']); |
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} |
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/** |
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* @param \Illuminate\Routing\Route $route |
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* @param array $apply Rules to apply when generating documentation for this route |
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* |
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* @return array |
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*/ |
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public function processRoute(Route $route, array $rulesToApply = []) |
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{ |
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$routeAction = $route->getAction(); |
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list($class, $method) = explode('@', $routeAction['uses']); |
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$controller = new ReflectionClass($class); |
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$method = $controller->getMethod($method); |
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$routeGroup = $this->getRouteGroup($controller, $method); |
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$docBlock = $this->parseDocBlock($method); |
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$bodyParameters = $this->getBodyParameters($method, $docBlock['tags']); |
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$queryParameters = $this->getQueryParameters($method, $docBlock['tags']); |
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$content = ResponseResolver::getResponse($route, $docBlock['tags'], [ |
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'rules' => $rulesToApply, |
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'body' => $bodyParameters, |
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'query' => $queryParameters, |
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]); |
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$parsedRoute = [ |
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'id' => md5($this->getUri($route).':'.implode($this->getMethods($route))), |
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'group' => $routeGroup, |
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'title' => $docBlock['short'], |
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'description' => $docBlock['long'], |
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'methods' => $this->getMethods($route), |
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'uri' => $this->getUri($route), |
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'boundUri' => Utils::getFullUrl($route, $rulesToApply['bindings'] ?? []), |
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'queryParameters' => $queryParameters, |
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'bodyParameters' => $bodyParameters, |
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'cleanBodyParameters' => $this->cleanParams($bodyParameters), |
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'authenticated' => $this->getAuthStatusFromDocBlock($docBlock['tags']), |
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'response' => $content, |
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'showresponse' => ! empty($content), |
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]; |
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$parsedRoute['headers'] = $rulesToApply['headers'] ?? []; |
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return $parsedRoute; |
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} |
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View Code Duplication |
protected function getBodyParameters(ReflectionMethod $method, array $tags) |
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{ |
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foreach ($method->getParameters() as $param) { |
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$paramType = $param->getType(); |
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if ($paramType === null) { |
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continue; |
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} |
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$parameterClassName = version_compare(phpversion(), '7.1.0', '<') |
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? $paramType->__toString() |
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: $paramType->getName(); |
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try { |
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$parameterClass = new ReflectionClass($parameterClassName); |
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} catch (\ReflectionException $e) { |
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continue; |
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} |
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if ( class_exists('\Illuminate\Foundation\Http\FormRequest') && $parameterClass->isSubclassOf(\Illuminate\Foundation\Http\FormRequest::class) || class_exists('\Dingo\Api\Http\FormRequest') && $parameterClass->isSubclassOf(\Dingo\Api\Http\FormRequest::class)) { |
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$formRequestDocBlock = new DocBlock($parameterClass->getDocComment()); |
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$bodyParametersFromDocBlock = $this->getBodyParametersFromDocBlock($formRequestDocBlock->getTags()); |
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if (count($bodyParametersFromDocBlock)) { |
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return $bodyParametersFromDocBlock; |
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} |
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} |
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} |
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return $this->getBodyParametersFromDocBlock($tags); |
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} |
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/** |
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* @param array $tags |
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* |
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* @return array |
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*/ |
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protected function getBodyParametersFromDocBlock(array $tags) |
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{ |
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$parameters = collect($tags) |
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->filter(function ($tag) { |
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return $tag instanceof Tag && $tag->getName() === 'bodyParam'; |
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}) |
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->mapWithKeys(function ($tag) { |
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preg_match('/(.+?)\s+(.+?)\s+(required\s+)?(.*)/', $tag->getContent(), $content); |
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View Code Duplication |
if (empty($content)) { |
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// this means only name and type were supplied |
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list($name, $type) = preg_split('/\s+/', $tag->getContent()); |
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$required = false; |
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$description = ''; |
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} else { |
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list($_, $name, $type, $required, $description) = $content; |
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$description = trim($description); |
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if ($description == 'required' && empty(trim($required))) { |
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$required = $description; |
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$description = ''; |
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} |
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$required = trim($required) == 'required' ? true : false; |
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} |
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$type = $this->normalizeParameterType($type); |
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list($description, $example) = $this->parseDescription($description, $type); |
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$value = is_null($example) ? $this->generateDummyValue($type) : $example; |
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return [$name => compact('type', 'description', 'required', 'value')]; |
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})->toArray(); |
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return $parameters; |
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} |
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/** |
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* @param ReflectionMethod $method |
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* @param array $tags |
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* |
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* @return array |
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*/ |
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View Code Duplication |
protected function getQueryParameters(ReflectionMethod $method, array $tags) |
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{ |
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foreach ($method->getParameters() as $param) { |
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$paramType = $param->getType(); |
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if ($paramType === null) { |
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continue; |
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} |
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$parameterClassName = version_compare(phpversion(), '7.1.0', '<') |
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? $paramType->__toString() |
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: $paramType->getName(); |
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try { |
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$parameterClass = new ReflectionClass($parameterClassName); |
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} catch (\ReflectionException $e) { |
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continue; |
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} |
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if ( class_exists('\Illuminate\Foundation\Http\FormRequest') && $parameterClass->isSubclassOf(\Illuminate\Foundation\Http\FormRequest::class) || class_exists('\Dingo\Api\Http\FormRequest') && $parameterClass->isSubclassOf(\Dingo\Api\Http\FormRequest::class)) { |
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$formRequestDocBlock = new DocBlock($parameterClass->getDocComment()); |
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$queryParametersFromDocBlock = $this->getQueryParametersFromDocBlock($formRequestDocBlock->getTags()); |
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if (count($queryParametersFromDocBlock)) { |
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return $queryParametersFromDocBlock; |
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} |
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} |
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} |
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return $this->getQueryParametersFromDocBlock($tags); |
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} |
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/** |
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* @param array $tags |
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* |
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* @return array |
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*/ |
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protected function getQueryParametersFromDocBlock(array $tags) |
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{ |
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$parameters = collect($tags) |
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->filter(function ($tag) { |
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return $tag instanceof Tag && $tag->getName() === 'queryParam'; |
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}) |
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->mapWithKeys(function ($tag) { |
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preg_match('/(.+?)\s+(required\s+)?(.*)/', $tag->getContent(), $content); |
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View Code Duplication |
if (empty($content)) { |
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// this means only name was supplied |
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list($name) = preg_split('/\s+/', $tag->getContent()); |
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$required = false; |
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$description = ''; |
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} else { |
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list($_, $name, $required, $description) = $content; |
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$description = trim($description); |
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if ($description == 'required' && empty(trim($required))) { |
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$required = $description; |
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$description = ''; |
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} |
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$required = trim($required) == 'required' ? true : false; |
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} |
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list($description, $value) = $this->parseDescription($description, 'string'); |
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if (is_null($value)) { |
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$value = str_contains($description, ['number', 'count', 'page']) |
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? $this->generateDummyValue('integer') |
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: $this->generateDummyValue('string'); |
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} |
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return [$name => compact('description', 'required', 'value')]; |
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})->toArray(); |
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return $parameters; |
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} |
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/** |
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* @param array $tags |
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* |
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* @return bool |
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*/ |
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protected function getAuthStatusFromDocBlock(array $tags) |
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{ |
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$authTag = collect($tags) |
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->first(function ($tag) { |
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return $tag instanceof Tag && strtolower($tag->getName()) === 'authenticated'; |
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}); |
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return (bool) $authTag; |
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} |
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/** |
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* @param ReflectionMethod $method |
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* |
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* @return array |
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*/ |
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protected function parseDocBlock(ReflectionMethod $method) |
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{ |
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$comment = $method->getDocComment(); |
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$phpdoc = new DocBlock($comment); |
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return [ |
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'short' => $phpdoc->getShortDescription(), |
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'long' => $phpdoc->getLongDescription()->getContents(), |
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'tags' => $phpdoc->getTags(), |
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]; |
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} |
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/** |
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* @param ReflectionClass $controller |
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* @param ReflectionMethod $method |
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* |
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* @return string |
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*/ |
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protected function getRouteGroup(ReflectionClass $controller, ReflectionMethod $method) |
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{ |
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// @group tag on the method overrides that on the controller |
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$docBlockComment = $method->getDocComment(); |
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View Code Duplication |
if ($docBlockComment) { |
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$phpdoc = new DocBlock($docBlockComment); |
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foreach ($phpdoc->getTags() as $tag) { |
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if ($tag->getName() === 'group') { |
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return $tag->getContent(); |
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} |
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} |
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} |
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$docBlockComment = $controller->getDocComment(); |
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View Code Duplication |
if ($docBlockComment) { |
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$phpdoc = new DocBlock($docBlockComment); |
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foreach ($phpdoc->getTags() as $tag) { |
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if ($tag->getName() === 'group') { |
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return $tag->getContent(); |
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} |
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} |
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} |
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// TODO: get rid of ungrouped_name in next major release |
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return config('apidoc.default_group', config('apidoc.ungrouped_name', 'general')); |
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} |
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private function normalizeParameterType($type) |
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{ |
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$typeMap = [ |
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'int' => 'integer', |
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'bool' => 'boolean', |
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'double' => 'float', |
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]; |
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return $type ? ($typeMap[$type] ?? $type) : 'string'; |
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} |
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private function generateDummyValue(string $type) |
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{ |
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$faker = Factory::create(); |
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if ($this->fakerSeed) { |
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$faker->seed($this->fakerSeed); |
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} |
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$fakeFactories = [ |
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'integer' => function () use ($faker) { |
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return $faker->numberBetween(1, 20); |
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}, |
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'number' => function () use ($faker) { |
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return $faker->randomFloat(); |
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}, |
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'float' => function () use ($faker) { |
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return $faker->randomFloat(); |
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}, |
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'boolean' => function () use ($faker) { |
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return $faker->boolean(); |
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}, |
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'string' => function () use ($faker) { |
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return $faker->word; |
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}, |
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'array' => function () { |
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return []; |
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}, |
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'object' => function () { |
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return new \stdClass; |
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}, |
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]; |
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344
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$fakeFactory = $fakeFactories[$type] ?? $fakeFactories['string']; |
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346
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return $fakeFactory(); |
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} |
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349
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/** |
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* Allows users to specify an example for the parameter by writing 'Example: the-example', |
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* to be used in example requests and response calls. |
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* |
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* @param string $description |
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* @param string $type The type of the parameter. Used to cast the example provided, if any. |
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* |
356
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* @return array The description and included example. |
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*/ |
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private function parseDescription(string $description, string $type) |
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{ |
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$example = null; |
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if (preg_match('/(.*)\s+Example:\s*(.*)\s*/', $description, $content)) { |
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$description = $content[1]; |
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|
|
// examples are parsed as strings by default, we need to cast them properly |
365
|
|
|
$example = $this->castToType($content[2], $type); |
366
|
|
|
} |
367
|
|
|
|
368
|
|
|
return [$description, $example]; |
369
|
|
|
} |
370
|
|
|
|
371
|
|
|
/** |
372
|
|
|
* Cast a value from a string to a specified type. |
373
|
|
|
* |
374
|
|
|
* @param string $value |
375
|
|
|
* @param string $type |
376
|
|
|
* |
377
|
|
|
* @return mixed |
378
|
|
|
*/ |
379
|
|
|
private function castToType(string $value, string $type) |
380
|
|
|
{ |
381
|
|
|
$casts = [ |
382
|
|
|
'integer' => 'intval', |
383
|
|
|
'number' => 'floatval', |
384
|
|
|
'float' => 'floatval', |
385
|
|
|
'boolean' => 'boolval', |
386
|
|
|
]; |
387
|
|
|
|
388
|
|
|
// First, we handle booleans. We can't use a regular cast, |
389
|
|
|
//because PHP considers string 'false' as true. |
390
|
|
|
if ($value == 'false' && $type == 'boolean') { |
391
|
|
|
return false; |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
if (isset($casts[$type])) { |
395
|
|
|
return $casts[$type]($value); |
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
return $value; |
399
|
|
|
} |
400
|
|
|
} |
401
|
|
|
|
This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italy
is not defined by the methodfinale(...)
.The most likely cause is that the parameter was removed, but the annotation was not.