Fix #183: Move URI prefix to RouteCollection

src/RouteCollection.php

@@ -17,6 +17,8 @@
  */
 final class RouteCollection implements RouteCollectionInterface
 {
+    private string $uriPrefix = '';
+
     /**
      * @psalm-var Items
      */
@@ -55,6 +57,16 @@ public function getRouteTree(bool $routeAsString = true): array
         return $this->buildTree($this->items, $routeAsString);
     }
 
+    public function getUriPrefix(): string
+    {
+        return $this->uriPrefix;
+    }
+
+    public function setUriPrefix(string $prefix): void
+    {
+        $this->uriPrefix = $prefix;
+    }
+
     private function ensureItemsInjected(): void
     {
         if ($this->items === []) {
@@ -83,10 +95,11 @@ private function injectItems(array $items): void
     private function injectItem(Group|Route $route): void
     {
         if ($route instanceof Group) {
-            $this->injectGroup($route, $this->items);
+            $this->injectGroup($route, $this->items, $this->uriPrefix);
             return;
         }
 
+        $route = $route->pattern($this->uriPrefix . $route->getData('pattern'));
         $routeName = $route->getData('name');
         $this->items[] = $routeName;
         if (isset($this->routes[$routeName]) && !$route->getData('override')) {

src/RouteCollectionInterface.php

@@ -6,6 +6,18 @@
 
 interface RouteCollectionInterface
 {
+    /**
+     * Returns URI prefix.
+     *
+     * @see setUriPrefix()
+     */
+    public function getUriPrefix(): string;
+
+    /**
+     * Sets the URI prefix so that all routes are registered to this path after the domain part.
+     */
+    public function setUriPrefix(string $prefix): void;
+
     /**
      * @return Route[]
      */

src/UrlGeneratorInterface.php

@@ -60,10 +60,6 @@ public function generateFromCurrent(
         ?string $fallbackRouteName = null
     ): string;
 
-    public function getUriPrefix(): string;
-
-    public function setUriPrefix(string $name): void;
-
     /**
      * Set default argument value.
      *

tests/RouteCollectionTest.php

@@ -28,6 +28,25 @@
 
 final class RouteCollectionTest extends TestCase
 {
+    public function testUriPrefix(): void
+    {
+        $route1 = Route::get('/')->name('route1');
+        $route2 = Route::get('/{id}')->name('route2');
+
+        $group = Group::create()->routes($route1);
+
+        $collector = new RouteCollector();
+        $collector->addGroup($group);
+        $collector->addRoute($route2);
+
+        $routeCollection = new RouteCollection($collector);
+        $routeCollection->setUriPrefix($prefix = '/api');
+
+        $this->assertSame($prefix, $routeCollection->getUriPrefix());
+        $this->assertStringStartsWith($prefix, $routeCollection->getRoute('route1')->getData('pattern'));
+        $this->assertStringStartsWith($prefix, $routeCollection->getRoute('route2')->getData('pattern'));
+    }
+
     public function testAddRouteWithDuplicateName(): void
     {
         $listRoute = Route::get('/')->name('my-route');