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<?php |
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namespace Mpociot\ApiDoc\Tools; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Str; |
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use Illuminate\Routing\Route; |
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class Generator |
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{ |
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/** |
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* @var DocumentationConfig |
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*/ |
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private $config; |
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public function __construct(DocumentationConfig $config = null) |
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{ |
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// If no config is injected, pull from global |
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$this->config = $config ?: new DocumentationConfig(config('apidoc')); |
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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 $rulesToApply 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 $rulesToApply = []) |
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{ |
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list($controllerName, $methodName) = Utils::getRouteClassAndMethodNames($route->getAction()); |
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$controller = new ReflectionClass($controllerName); |
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$method = $controller->getMethod($methodName); |
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$parsedRoute = [ |
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'id' => md5($this->getUri($route).':'.implode($this->getMethods($route))), |
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'methods' => $this->getMethods($route), |
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'uri' => $this->getUri($route), |
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'boundUri' => Utils::getFullUrl($route, $rulesToApply['bindings'] ?? ($rulesToApply['response_calls']['bindings'] ?? [])), |
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]; |
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$metadata = $this->fetchMetadata($controller, $method, $route, $rulesToApply, $parsedRoute); |
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$parsedRoute['metadata'] = $metadata; |
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$bodyParameters = $this->fetchBodyParameters($controller, $method, $route, $rulesToApply, $parsedRoute); |
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$parsedRoute['bodyParameters'] = $bodyParameters; |
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$parsedRoute['cleanBodyParameters'] = $this->cleanParams($bodyParameters); |
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$queryParameters = $this->fetchQueryParameters($controller, $method, $route, $rulesToApply, $parsedRoute); |
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$parsedRoute['queryParameters'] = $queryParameters; |
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$parsedRoute['cleanQueryParameters'] = $this->cleanParams($queryParameters); |
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$responses = $this->fetchResponses($controller, $method, $route, $rulesToApply, $parsedRoute); |
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$parsedRoute['response'] = $responses; |
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$parsedRoute['showresponse'] = ! empty($responses); |
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$parsedRoute['headers'] = $rulesToApply['headers'] ?? []; |
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// Currently too lazy to tinker with Blade files; change this later |
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unset($parsedRoute['metadata']); |
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$parsedRoute += $metadata; |
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return $parsedRoute; |
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} |
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protected function fetchMetadata(ReflectionClass $controller, ReflectionMethod $method, Route $route, array $rulesToApply, array $context = []) |
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{ |
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$context['metadata'] = [ |
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'groupName' => $this->config->get('default_group'), |
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'groupDescription' => '', |
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'title' => '', |
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'description' => '', |
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'authenticated' => false, |
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]; |
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return $this->iterateThroughStrategies('metadata', $context, [$route, $controller, $method, $rulesToApply]); |
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} |
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protected function fetchBodyParameters(ReflectionClass $controller, ReflectionMethod $method, Route $route, array $rulesToApply, array $context = []) |
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{ |
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return $this->iterateThroughStrategies('bodyParameters', $context, [$route, $controller, $method, $rulesToApply]); |
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} |
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protected function fetchQueryParameters(ReflectionClass $controller, ReflectionMethod $method, Route $route, array $rulesToApply, array $context = []) |
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{ |
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return $this->iterateThroughStrategies('queryParameters', $context, [$route, $controller, $method, $rulesToApply]); |
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} |
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protected function fetchResponses(ReflectionClass $controller, ReflectionMethod $method, Route $route, array $rulesToApply, array $context = []) |
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{ |
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$responses = $this->iterateThroughStrategies('responses', $context, [$route, $controller, $method, $rulesToApply]); |
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if (count($responses)) { |
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return collect($responses)->map(function (string $response, int $status) { |
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return [ |
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'status' => $status ?: 200, |
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'content' => $response, |
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]; |
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})->values()->toArray(); |
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} |
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return null; |
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} |
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protected function iterateThroughStrategies(string $key, array $context, array $arguments) |
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{ |
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$strategies = $this->config->get("strategies.$key", []); |
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$context[$key] = $context[$key] ?? []; |
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foreach ($strategies as $strategyClass) { |
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$strategy = new $strategyClass($this->config); |
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$arguments[] = $context; |
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$results = $strategy(...$arguments); |
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if (! is_null($results)) { |
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foreach ($results as $index => $item) { |
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// Using a for loop rather than array_merge or += |
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// so it does not renumber numeric keys |
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// and also allows values to be overwritten |
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// Don't allow overwriting if an empty value is trying to replace a set one |
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if (! in_array($context[$key], [null, ''], true) && in_array($item, [null, ''], true)) { |
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continue; |
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} else { |
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$context[$key][$index] = $item; |
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} |
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} |
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} |
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} |
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return $context[$key]; |
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} |
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/** |
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* Create samples at index 0 for array parameters. |
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* Also filter out parameters which were excluded from having examples. |
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* |
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* @param array $params |
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* |
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* @return array |
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*/ |
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protected function cleanParams(array $params) |
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{ |
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$values = []; |
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// Remove params which have no examples. |
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$params = array_filter($params, function ($details) { |
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return ! is_null($details['value']); |
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}); |
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foreach ($params as $paramName => $details) { |
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$this->generateConcreteSampleForArrayKeys( |
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$paramName, $details['value'], $values |
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); |
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} |
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return $values; |
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} |
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/** |
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* For each array notation parameter (eg user.*, item.*.name, object.*.*, user[]) |
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* generate concrete sample (user.0, item.0.name, object.0.0, user.0) with example as value. |
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* |
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* @param string $paramName |
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* @param mixed $paramExample |
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* @param array $values The array that holds the result |
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* |
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* @return void |
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*/ |
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protected function generateConcreteSampleForArrayKeys($paramName, $paramExample, array &$values = []) |
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{ |
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if (Str::contains($paramName, '[')) { |
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// Replace usages of [] with dot notation |
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$paramName = str_replace(['][', '[', ']', '..'], ['.', '.', '', '.*.'], $paramName); |
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} |
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// Then generate a sample item for the dot notation |
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Arr::set($values, str_replace('.*', '.0', $paramName), $paramExample); |
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} |
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} |
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mpociot /
laravel-apidoc-generator
