[11.x] Fix explicit route binding for broadcast routes (#52280)

* Made route parameter in Route Binding optional to allow explicit route binding in broadcast routes

* Apply style ci errors

Author: ccharz

src/Illuminate/Routing/RouteBinding.php

@@ -58,7 +58,7 @@ protected static function createClassBinding($container, $binding)
      */
     public static function forModel($container, $class, $callback = null)
     {
-        return function ($value, $route) use ($container, $class, $callback) {
+        return function ($value, $route = null) use ($container, $class, $callback) {
             if (is_null($value)) {
                 return;
             }
@@ -68,7 +68,7 @@ public static function forModel($container, $class, $callback = null)
             // throw a not found exception otherwise we will return the instance.
             $instance = $container->make($class);
 
-            $routeBindingMethod = $route->allowsTrashedBindings() && in_array(SoftDeletes::class, class_uses_recursive($instance))
+            $routeBindingMethod = $route?->allowsTrashedBindings() && in_array(SoftDeletes::class, class_uses_recursive($instance))
                         ? 'resolveSoftDeletableRouteBinding'
                         : 'resolveRouteBinding';
 

tests/Broadcasting/BroadcasterTest.php

@@ -8,6 +8,7 @@
 use Illuminate\Contracts\Routing\BindingRegistrar;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Http\Request;
+use Illuminate\Routing\RouteBinding;
 use Mockery as m;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
@@ -84,6 +85,23 @@ public function testCanUseChannelClasses()
         $this->assertEquals(['model.1.instance', 'something'], $parameters);
     }
 
+    public function testModelRouteBinding()
+    {
+        $container = new Container;
+        Container::setInstance($container);
+        $binder = m::mock(BindingRegistrar::class);
+        $callback = RouteBinding::forModel($container, BroadcasterTestEloquentModelStub::class);
+
+        $binder->shouldReceive('getBindingCallback')->times(2)->with('model')->andReturn($callback);
+        $container->instance(BindingRegistrar::class, $binder);
+        $callback = function ($user, $model) {
+            //
+        };
+        $parameters = $this->broadcaster->extractAuthParameters('something.{model}', 'something.1', $callback);
+        $this->assertEquals(['model.1.instance'], $parameters);
+        Container::setInstance(new Container);
+    }
+
     public function testUnknownChannelAuthHandlerTypeThrowsException()
     {
         $this->expectException(Exception::class);