Add resource missing option

Author: zholzhas

src/Illuminate/Routing/PendingResourceRegistration.php

@@ -195,6 +195,19 @@ public function shallow($shallow = true)
         return $this;
     }
 
+    /**
+     * Define the callable that should be invoked on a missing model exception.
+     *
+     * @param $callback
+     * @return $this
+     */
+    public function missing($callback)
+    {
+        $this->options['missing'] = $callback;
+
+        return $this;
+    }
+
     /**
      * Indicate that the resource routes should be scoped using the given binding fields.
      *

src/Illuminate/Routing/ResourceRegistrar.php

@@ -20,6 +20,13 @@ class ResourceRegistrar
      */
     protected $resourceDefaults = ['index', 'create', 'store', 'show', 'edit', 'update', 'destroy'];
 
+    /**
+     * Actions that use model binding.
+     *
+     * @var string[]
+     */
+    protected $modelBoundMethods = ['show', 'edit', 'update', 'destroy'];
+
     /**
      * The parameters set for this resource instance.
      *
@@ -421,6 +428,10 @@ protected function getResourceAction($resource, $controller, $method, $options)
             $action['where'] = $options['wheres'];
         }
 
+        if (isset($options['missing']) && in_array($method, $this->modelBoundMethods)) {
+            $action['missing'] = $options['missing'];
+        }
+
         return $action;
     }
 

tests/Routing/RouteRegistrarTest.php

@@ -334,6 +334,22 @@ public function testCanRegisterResourcesWithoutOption()
         }
     }
 
+    public function testCanRegisterResourceWithMissingOption()
+    {
+        $this->router->middleware('resource-middleware')
+            ->resource('users', RouteRegistrarControllerStub::class)
+            ->missing(function () { return 'missing'; });
+
+        $this->assertIsCallable($this->router->getRoutes()->getByName('users.show')->getMissing());
+        $this->assertIsCallable($this->router->getRoutes()->getByName('users.edit')->getMissing());
+        $this->assertIsCallable($this->router->getRoutes()->getByName('users.update')->getMissing());
+        $this->assertIsCallable($this->router->getRoutes()->getByName('users.destroy')->getMissing());
+
+        $this->assertNull($this->router->getRoutes()->getByName('users.index')->getMissing());
+        $this->assertNull($this->router->getRoutes()->getByName('users.create')->getMissing());
+        $this->assertNull($this->router->getRoutes()->getByName('users.store')->getMissing());
+    }
+
     public function testCanAccessRegisteredResourceRoutesAsRouteCollection()
     {
         $resource = $this->router->middleware('resource-middleware')