[Feature] Add Laravel 5.4 support

Initial support for Laravel 5.4 - requires additional testing

Author: lindyhopchris

src/Schema/CreatesEloquentIdentities.php

@@ -60,7 +60,14 @@ protected function createBelongsToIdentity(Model $model, $relationshipKey)
         }
 
         $related = $relation->getRelated()->replicate();
-        $related->{$relation->getOtherKey()} = $id;
+
+        /** Laravel 5.4 */
+        if (method_exists($relation, 'getOwnerKey')) {
+            $related->{$relation->getOwnerKey()} = $id;
+        } /** Laravel 5.1|5.2|5.3 */
+        else {
+            $related->{$relation->getOtherKey()} = $id;
+        }
 
         return $related;
     }

src/ServiceProvider.php

@@ -158,8 +158,15 @@ protected function bootPublishing()
      */
     protected function bootMiddleware(Router $router)
     {
-        $router->middleware('json-api', BootJsonApi::class);
-        $router->middleware('json-api.request', HandleRequest::class);
+        /** Laravel 5.4 */
+        if (method_exists($router, 'aliasMiddleware')) {
+            $router->aliasMiddleware('json-api', BootJsonApi::class);
+            $router->aliasMiddleware('json-api.request', HandleRequest::class);
+        } /** Laravel 5.1|5.2|5.3 */
+        else {
+            $router->middleware('json-api', BootJsonApi::class);
+            $router->middleware('json-api.request', HandleRequest::class);
+        }
     }
 
     /**
@@ -282,29 +289,32 @@ protected function bindErrorRepository()
     {
         $this->app->singleton(ReplacerInterface::class, Replacer::class);
 
-        $this->app->singleton(['json-api.errors' => ErrorRepositoryInterface::class], function () {
+        $this->app->singleton(ErrorRepositoryInterface::class, function () {
             /** @var ReplacerInterface $replacer */
             $replacer = $this->app->make(ReplacerInterface::class);
             $repository = new ErrorRepository($replacer);
             $repository->configure($this->getErrorConfig());
             return $repository;
         });
+        $this->app->alias(ErrorRepositoryInterface::class, 'json-api.errors');
     }
 
     /**
      * Bind the exception parser into the service container.
      */
     protected function bindExceptionParser()
     {
-        $this->app->singleton(['json-api.exceptions' => ExceptionParserInterface::class], ExceptionParser::class);
+        $this->app->singleton(ExceptionParserInterface::class, ExceptionParser::class);
+        $this->app->alias(ExceptionParserInterface::class, 'json-api.exceptions');
     }
 
     /**
      * Bind the store into the service container.
      */
     protected function bindStore()
     {
-        $this->app->singleton(['json-api.store' => StoreInterface::class], Store::class);
+        $this->app->singleton(StoreInterface::class, Store::class);
+        $this->app->alias(StoreInterface::class, 'json-api.store');
     }
 
     /**
@@ -341,7 +351,8 @@ protected function bindStoreAdapters()
      */
     protected function bindLinkFactory()
     {
-        $this->app->singleton(['json-api.links' => LinkFactoryInterface::class], LinkFactory::class);
+        $this->app->singleton(LinkFactoryInterface::class, LinkFactory::class);
+        $this->app->alias(LinkFactoryInterface::class, 'json-api.links');
     }
 
     /**