mirror of
https://github.com/BookStackApp/BookStack.git
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122 lines
4.2 KiB
PHP
122 lines
4.2 KiB
PHP
<?php namespace BookStack\Api;
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use BookStack\Http\Controllers\Api\ApiController;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\Route;
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use ReflectionClass;
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use ReflectionException;
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use ReflectionMethod;
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class ApiDocsGenerator
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{
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protected $reflectionClasses = [];
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protected $controllerClasses = [];
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/**
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* Generate API documentation.
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*/
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public function generate(): Collection
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{
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$apiRoutes = $this->getFlatApiRoutes();
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$apiRoutes = $this->loadDetailsFromControllers($apiRoutes);
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$apiRoutes = $this->loadDetailsFromFiles($apiRoutes);
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$apiRoutes = $apiRoutes->groupBy('base_model');
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return $apiRoutes;
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}
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/**
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* Load any API details stored in static files.
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*/
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protected function loadDetailsFromFiles(Collection $routes): Collection
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{
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return $routes->map(function (array $route) {
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$exampleResponseFile = base_path('dev/api/responses/' . $route['name'] . '.json');
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$exampleResponse = file_exists($exampleResponseFile) ? file_get_contents($exampleResponseFile) : null;
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$route['example_response'] = $exampleResponse;
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return $route;
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});
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}
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/**
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* Load any details we can fetch from the controller and its methods.
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*/
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protected function loadDetailsFromControllers(Collection $routes): Collection
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{
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return $routes->map(function (array $route) {
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$method = $this->getReflectionMethod($route['controller'], $route['controller_method']);
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$comment = $method->getDocComment();
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$route['description'] = $comment ? $this->parseDescriptionFromMethodComment($comment) : null;
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$route['body_params'] = $this->getBodyParamsFromClass($route['controller'], $route['controller_method']);
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return $route;
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});
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}
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/**
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* Load body params and their rules by inspecting the given class and method name.
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* @throws \Illuminate\Contracts\Container\BindingResolutionException
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*/
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protected function getBodyParamsFromClass(string $className, string $methodName): ?array
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{
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/** @var ApiController $class */
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$class = $this->controllerClasses[$className] ?? null;
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if ($class === null) {
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$class = app()->make($className);
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$this->controllerClasses[$className] = $class;
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}
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$rules = $class->getValdationRules()[$methodName] ?? [];
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foreach ($rules as $param => $ruleString) {
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$rules[$param] = explode('|', $ruleString);
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}
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return count($rules) > 0 ? $rules : null;
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}
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/**
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* Parse out the description text from a class method comment.
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*/
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protected function parseDescriptionFromMethodComment(string $comment)
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{
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$matches = [];
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preg_match_all('/^\s*?\*\s((?![@\s]).*?)$/m', $comment, $matches);
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return implode(' ', $matches[1] ?? []);
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}
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/**
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* Get a reflection method from the given class name and method name.
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* @throws ReflectionException
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*/
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protected function getReflectionMethod(string $className, string $methodName): ReflectionMethod
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{
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$class = $this->reflectionClasses[$className] ?? null;
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if ($class === null) {
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$class = new ReflectionClass($className);
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$this->reflectionClasses[$className] = $class;
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}
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return $class->getMethod($methodName);
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}
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/**
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* Get the system API routes, formatted into a flat collection.
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*/
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protected function getFlatApiRoutes(): Collection
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{
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return collect(Route::getRoutes()->getRoutes())->filter(function ($route) {
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return strpos($route->uri, 'api/') === 0;
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})->map(function ($route) {
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[$controller, $controllerMethod] = explode('@', $route->action['uses']);
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$baseModelName = explode('.', explode('/', $route->uri)[1])[0];
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$shortName = $baseModelName . '-' . $controllerMethod;
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return [
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'name' => $shortName,
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'uri' => $route->uri,
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'method' => $route->methods[0],
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'controller' => $controller,
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'controller_method' => $controllerMethod,
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'base_model' => $baseModelName,
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];
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});
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}
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} |