| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | namespace Germania\PsrWebsites; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | use Psr\Log\LoggerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Psr\Log\NullLogger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Psr\Http\Message\ServerRequestInterface as Request; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Psr\Http\Message\ResponseInterface as Response; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Psr\Container\ContainerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Slim\Http\Body as ResponseBody; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | class WebsiteMiddleware | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |      * @var ContainerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     public $websites; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * @var Callable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     public $render; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     public $template; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     public $defaults = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @var LoggerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     public $logger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @param ContainerInterface  $websites   A ContainerInterface instance that returns a website for the current route name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @param Callable            $render     Rendering callable that receives template file and variables context | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @param string              $template   Template file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @param array               $defaults   Default variables context | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @param LoggerInterface     $logger     Optional: PSR-3 Logger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 2 |  |     public function __construct( ContainerInterface $websites, Callable $render, $template, array $defaults, LoggerInterface $logger = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 2 |  |         $this->websites  = $websites; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 2 |  |         $this->render    = $render; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 2 |  |         $this->template  = $template; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 2 |  |         $this->defaults  = $defaults; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 2 |  |         $this->logger    = $logger ?: new NullLogger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * @param  Psr\Http\Message\ServerRequestInterface  $request  PSR7 request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @param  Psr\Http\Message\ResponseInterface       $response PSR7 response | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @param  callable                                 $next     Next middleware | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * @return Psr\Http\Message\ResponseInterface | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 66 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 67 | 1 |  |     public function __invoke(Request $request, Response $response, $next) | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |         //  1. Get current Website object, | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  |         //     add as attribute to Request. | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  |         //     The website will be available within route controllers. | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 74 | 1 |  |         $current_route_name = $request->getAttribute('route')->getName(); | 
            
                                                                        
                            
            
                                    
            
            
                | 75 | 1 |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 76 | 1 |  |         $website_factory = $this->websites; | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  |         $website = $website_factory->get( $current_route_name ); | 
            
                                                                        
                            
            
                                    
            
            
                | 78 | 1 |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |         $request = $request->withAttribute('website', $website); | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  |         //  2. Call next middleware. | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  |         //     Page content (not HTML head and stuff!) | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  |         //     should be created there... | 
            
                                                                        
                            
            
                                    
            
            
                | 86 | 1 |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |         $content_response = $next($request, $response); | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |         // 3. Create template variables | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 93 | 1 |  |         $vars = array_merge( | 
            
                                                                        
                            
            
                                    
            
            
                | 94 | 1 |  |             $this->defaults, [ | 
            
                                                                        
                            
            
                                    
            
            
                | 95 | 1 |  |                 'title'    =>  $website->getTitle(), | 
            
                                                                        
                            
            
                                    
            
            
                | 96 | 1 |  |                 'id'       =>  $website->getDomId(), | 
            
                                                                        
                            
            
                                    
            
            
                | 97 | 1 |  |                 'base_url' =>  $request->getUri()->getBaseUrl(), | 
            
                                                                        
                            
            
                                    
            
            
                | 98 | 1 |  |                 'content'  =>  (string) $content_response->getBody() | 
            
                                                                        
                            
            
                                    
            
            
                | 99 | 1 |  |             ] | 
            
                                                                        
                            
            
                                    
            
            
                | 100 | 1 |  |         ); | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 102 | 1 |  |         $vars['javascripts'] = isset($vars['javascripts']) | 
            
                                                                        
                            
            
                                    
            
            
                | 103 | 1 |  |         ? array_merge($vars['javascripts'], $website->getJavascripts() ?: array()) | 
            
                                                                        
                            
            
                                    
            
            
                | 104 | 1 |  |         : ($website->getJavascripts() ?: array()); | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 106 | 1 |  |         $vars['stylesheets'] = isset($vars['stylesheets']) | 
            
                                                                        
                            
            
                                    
            
            
                | 107 | 1 |  |         ? array_merge($vars['stylesheets'], $website->getStylesheets() ?: array()) | 
            
                                                                        
                            
            
                                    
            
            
                | 108 | 1 |  |         : ($website->getStylesheets() ?: array()); | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  |         // 5. After that, render 'full page' template | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  |         //    and store in new Response Body. | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 115 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 116 | 1 |  |         // Output global website template | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |         $this->logger->debug("Render page template…"); | 
            
                                                                        
                            
            
                                    
            
            
                | 118 | 1 |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 119 | 1 |  |         $render = $this->render; | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |         $rendered_result = $render( $this->template, $vars); | 
            
                                                                        
                            
            
                                    
            
            
                | 121 | 1 |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  |         $this->logger->debug("Finish page template render; write response"); | 
            
                                                                        
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  |         $full_html_response_body = new ResponseBody(fopen('php://temp', 'r+')); | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  |         $full_html_response_body->write($rendered_result); | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 128 | 1 |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 129 | 1 |  |         // 6. Replace old Response Body with new one | 
            
                                                                        
                            
            
                                    
            
            
                | 130 |  |  |         // --------------------------------------- | 
            
                                                                        
                            
            
                                    
            
            
                | 131 | 1 |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 132 | 1 |  |         return $content_response->withHeader('Content-Type', 'text/html') | 
            
                                                                        
                            
            
                                    
            
            
                | 133 |  |  |                                 ->withBody($full_html_response_body); | 
            
                                                                        
                            
            
                                    
            
            
                | 134 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 138 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 139 |  |  |  |