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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Router; |
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use InvalidArgumentException; |
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use Psr\Http\Message\ResponseFactoryInterface; |
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use Yiisoft\Http\Method; |
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final class RouteCollection implements RouteCollectionInterface |
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{ |
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private RouteCollectorInterface $collector; |
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private array $items = []; |
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/** |
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* All attached routes as Route instances |
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* |
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* @var Route[] |
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*/ |
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private array $routes = []; |
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public function __construct(RouteCollectorInterface $collector) |
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{ |
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$this->collector = $collector; |
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} |
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public function getRoutes(): array |
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{ |
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$this->ensureItemsInjected(); |
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return $this->routes; |
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} |
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public function getRoute(string $name): Route |
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{ |
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$this->ensureItemsInjected(); |
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if (!array_key_exists($name, $this->routes)) { |
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throw new RouteNotFoundException($name); |
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} |
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return $this->routes[$name]; |
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} |
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public function getRouteTree(bool $routeAsString = true): array |
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{ |
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$this->ensureItemsInjected(); |
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return $this->buildTree($this->items, $routeAsString); |
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} |
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private function ensureItemsInjected(): void |
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{ |
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if ($this->items === []) { |
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$this->injectItems($this->collector->getItems()); |
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} |
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} |
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/** |
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* Build routes array |
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* |
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* @param Group[]|Route[] $items |
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*/ |
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private function injectItems(array $items): void |
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{ |
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foreach ($items as $index => $item) { |
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foreach ($this->collector->getMiddlewareDefinitions() as $middlewareDefinition) { |
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$item = $item->prependMiddleware($middlewareDefinition); |
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} |
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$this->injectItem($item); |
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} |
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} |
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/** |
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* Add an item into routes array |
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* |
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* @param Group|Route $route |
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*/ |
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private function injectItem($route): void |
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{ |
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if ($route instanceof Group) { |
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$this->injectGroup($route, $this->items); |
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return; |
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} |
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$this->items[] = $route->getName(); |
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$routeName = $route->getName(); |
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if (isset($this->routes[$routeName]) && !$route->isOverride()) { |
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throw new InvalidArgumentException("A route with name '$routeName' already exists."); |
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} |
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$this->routes[$routeName] = $route; |
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} |
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/** |
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* Inject a Group instance into route and item arrays. |
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*/ |
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private function injectGroup(Group $group, array &$tree, string $prefix = '', string $namePrefix = ''): void |
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{ |
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$prefix .= $group->getPrefix(); |
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$namePrefix .= $group->getNamePrefix(); |
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$items = $group->getItems(); |
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$pattern = null; |
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$host = null; |
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foreach ($items as $item) { |
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if ($item instanceof Group || $item->hasMiddlewares()) { |
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foreach ($group->getMiddlewareDefinitions() as $middleware) { |
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$item = $item->prependMiddleware($middleware); |
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} |
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} |
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if ($group->getHost() !== null && $item->getHost() === null) { |
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$item = $item->host($group->getHost()); |
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} |
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if ($item instanceof Group) { |
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if ($group->hasCorsMiddleware()) { |
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$item = $item->withCors($group->getCorsMiddleware()); |
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} |
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/** @var Group $item */ |
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if (empty($item->getPrefix())) { |
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$this->injectGroup($item, $tree, $prefix, $namePrefix); |
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continue; |
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} |
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$tree[$item->getPrefix()] = []; |
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$this->injectGroup($item, $tree[$item->getPrefix()], $prefix, $namePrefix); |
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continue; |
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} |
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/** @var Route $modifiedItem */ |
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$modifiedItem = $item->pattern($prefix . $item->getPattern()); |
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if (strpos($modifiedItem->getName(), implode(', ', $modifiedItem->getMethods())) === false) { |
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$modifiedItem = $modifiedItem->name($namePrefix . $modifiedItem->getName()); |
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} |
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if ($group->hasCorsMiddleware()) { |
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$this->processCors($group, $host, $pattern, $modifiedItem, $tree); |
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} |
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if (empty($tree[$group->getPrefix()])) { |
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$tree[] = $modifiedItem->getName(); |
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} else { |
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$tree[$group->getPrefix()][] = $modifiedItem->getName(); |
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} |
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$routeName = $modifiedItem->getName(); |
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if (isset($this->routes[$routeName]) && !$modifiedItem->isOverride()) { |
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throw new InvalidArgumentException("A route with name '$routeName' already exists."); |
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} |
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$this->routes[$routeName] = $modifiedItem; |
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} |
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} |
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private function processCors(Group $group, ?string &$host, ?string &$pattern, Route &$modifiedItem, array &$tree): void |
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{ |
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$middleware = $group->getCorsMiddleware(); |
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$isNotDuplicate = !in_array(Method::OPTIONS, $modifiedItem->getMethods(), true) |
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&& ($pattern !== $modifiedItem->getPattern() || $host !== $modifiedItem->getHost()); |
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$pattern = $modifiedItem->getPattern(); |
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$host = $modifiedItem->getHost(); |
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/** @var Route $optionsRoute */ |
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$optionsRoute = Route::options($pattern); |
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if ($host !== null) { |
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$optionsRoute = $optionsRoute->host($host); |
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} |
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if ($isNotDuplicate) { |
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$optionsRoute = $optionsRoute->middleware($middleware); |
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if (empty($tree[$group->getPrefix()])) { |
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$tree[] = $optionsRoute->getName(); |
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} else { |
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$tree[$group->getPrefix()][] = $optionsRoute->getName(); |
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} |
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$this->routes[$optionsRoute->getName()] = $optionsRoute->action( |
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static fn (ResponseFactoryInterface $responseFactory) => $responseFactory->createResponse(204) |
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); |
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} |
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$modifiedItem = $modifiedItem->prependMiddleware($middleware); |
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} |
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/** |
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* Builds route tree from items |
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* |
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* @param array $items |
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* @param bool $routeAsString |
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* |
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* @return array |
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*/ |
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private function buildTree(array $items, bool $routeAsString): array |
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{ |
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$tree = []; |
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foreach ($items as $key => $item) { |
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if (is_array($item)) { |
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$tree[$key] = $this->buildTree($items[$key], $routeAsString); |
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} else { |
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$tree[] = $routeAsString ? (string)$this->getRoute($item) : $this->getRoute($item); |
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} |
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} |
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return $tree; |
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} |
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} |
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yiisoft /
router
