Flash message

README.md

@@ -17,6 +17,7 @@ Available service providers:
 * Flysystem
 * PHPMailer
 * Cache (redis for now)
+* Flash Message
 * [Jobby](https://github.com/jobbyphp/jobby)
 
 Available middleware:

app/Helpers/Dynamic.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: jerfeson
+ * Date: 26/11/18
+ * Time: 21:47
+ */
+
+namespace App\Helpers;
+
+class Dynamic extends \stdClass
+{
+
+    public function __call($key, $params)
+    {
+        if (!isset($this->{$key})) throw new Exception("Call to undefined method " . get_class($this) . "::" . $key . "()");
+        $subject = $this->{$key};
+        call_user_func_array($subject, $params);
+    }
+}

app/Helpers/Flash.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: jerfeson
+ * Date: 26/11/18
+ * Time: 21:45
+ */
+
+namespace App\Helpers;
+
+use Slim\Flash\Messages;
+
+class Flash
+{
+    const STATUS_SUCCESS = 1;
+    const STATUS_ERROR = 2;
+
+    /**
+     * @param Messages $messages
+     *
+     * @return Dynamic|string
+     */
+    public static function getMessage(Messages $messages)
+    {
+        $message = "";
+
+        if ($messages->hasMessage(self::STATUS_SUCCESS)) {
+            $message = new Dynamic();
+
+            $message->class = 'alert-success';
+            $message->text = $messages->getFirstMessage(self::STATUS_SUCCESS);
+
+        } elseif ($messages->hasMessage(self::STATUS_ERROR)) {
+            $message = new Dynamic();
+
+            $message->class = 'alert-danger';
+            $message->text = $messages->getFirstMessage(self::STATUS_ERROR);
+
+        }
+
+        return $message;
+    }
+}

app/Http/Controller.php

@@ -4,6 +4,7 @@
 use \Psr\Http\Message\ServerRequestInterface as Request;
 use \Psr\Http\Message\ResponseInterface as Response;
 use \League\Plates\Engine as Plates;
+use Slim\Flash\Messages;
 use \Slim\Views\Twig;
 use \Psr\Log\LoggerInterface;
 
@@ -13,19 +14,22 @@
 	public $response;
 	public $logger;
 	public $view;
-
-	/**
-	 * @param \Psr\Http\Message\ServerRequestInterface $request
-	 * @param \Psr\Http\Message\ResponseInterface $response
-	 * @param \League\Plates\Engine $view
-	 * @param \Psr\Log\LoggerInterface $logger
-	 */
-	public function __construct(Request $request, Response $response, Plates $view, LoggerInterface $logger)
+	public $message;
+
+    /**
+     * @param \Psr\Http\Message\ServerRequestInterface $request
+     * @param \Psr\Http\Message\ResponseInterface      $response
+     * @param \League\Plates\Engine                    $view
+     * @param \Psr\Log\LoggerInterface                 $logger
+     * @param Messages                                 $message
+     */
+	public function __construct(Request $request, Response $response, Twig $view, LoggerInterface $logger, Messages $message)
 	{
 		$this->request = $request;
 		$this->response = $response;
 		$this->view = $view;
 		$this->logger = $logger;
+		$this->message = $message;
 	}
 
 }

app/Http/Site/Welcome.php

@@ -1,6 +1,7 @@
 <?php
 
 namespace App\Http\Site;
+use App\Helpers\Flash;
 use \App\Http\Controller;
 
 class Welcome extends Controller
@@ -10,7 +11,9 @@ public function index()
 	{
 		// log some message
 		$this->logger->info("log a message");
-
+
+        $this->message->addMessage(Flash::STATUS_SUCCESS,"teste") ;
+
 		if ($this->view instanceof \Slim\Views\Twig) {
             $this->view->render($this->response, "@site/test/welcome.twig");
         }

app/Middleware/Flash.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Middleware;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Slim\Flash\Messages;
+use Slim\Views\Twig;
+
+class Flash
+{
+
+	public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next)
+	{
+        /** @var Twig $view */
+        $view = app()->getContainer()[Twig::class];
+//        $plages = app()->getContainer()[Plates::class];
+        $message = app()->getContainer()[Messages::class];
+
+        $message = \App\Helpers\Flash::getMessage($message);
+        $view->getEnvironment()->addGlobal('message', $message);
+
+		return $next($request, $response);
+	}
+}

app/ServiceProviders/Flash.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\ServiceProviders;
+
+use Slim\Flash\Messages;
+
+class Flash implements ProviderInterface
+{
+
+	public static function register()
+	{
+		app()->getContainer()[Messages::class] = function ($c) {
+		    $flash =  new \Slim\Flash\Messages;
+			return $flash;
+		};
+
+    }
+
+}

composer.json

@@ -15,6 +15,7 @@
     "illuminate/database": "5.6.*",
     "phpmailer/phpmailer": "6.0.*",
     "naroga/redis-cache": "1.1.*",
+    "slim/flash": "0.4.*"
     "hellogerard/jobby": "^3.4"
   },
   "require-dev": {

config/app.php

@@ -77,11 +77,14 @@
 		App\ServiceProviders\Eloquent::class => 'http,console',
 		App\ServiceProviders\FileSystem::class => 'http,console',
 		App\ServiceProviders\Mailer::class => 'http,console',
+		App\ServiceProviders\Cache::class => 'http,console',
+    App\ServiceProviders\Flash::class,
 		App\ServiceProviders\Jobby::class,
 	],
 	// add your middleware here
 	'middleware' => [
 		App\Middleware\Session::class => 'http',
+    App\Middleware\Flash::class,
 	],
 
 ];

resources/views/http/site/test/welcome.twig

@@ -1,5 +1,6 @@
 {% extends "@site/layout/main.twig" %}
 
 {% block content %}
+    <small>{{ message.class }} {{ message.text }}</small>
     <br/><br/>Welcome to SLIM!
 {% endblock %}