From 89742ecd5542c740f3625af76c843a7471dbe98a Mon Sep 17 00:00:00 2001
From: Igor Scheller <igor.scheller@igorshp.de>
Date: Wed, 27 Nov 2019 19:11:37 +0100
Subject: Response: Added with and withInput methods and back/redirect
 functions

---
 src/Http/RedirectServiceProvider.php | 13 ++++++++
 src/Http/Redirector.php              | 55 +++++++++++++++++++++++++++++++++
 src/Http/Response.php                | 60 +++++++++++++++++++++++++++++++++---
 3 files changed, 123 insertions(+), 5 deletions(-)
 create mode 100644 src/Http/RedirectServiceProvider.php
 create mode 100644 src/Http/Redirector.php

(limited to 'src/Http')

diff --git a/src/Http/RedirectServiceProvider.php b/src/Http/RedirectServiceProvider.php
new file mode 100644
index 00000000..70238d91
--- /dev/null
+++ b/src/Http/RedirectServiceProvider.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Engelsystem\Http;
+
+use Engelsystem\Container\ServiceProvider;
+
+class RedirectServiceProvider extends ServiceProvider
+{
+    public function register()
+    {
+        $this->app->bind('redirect', Redirector::class);
+    }
+}
diff --git a/src/Http/Redirector.php b/src/Http/Redirector.php
new file mode 100644
index 00000000..4149a8ec
--- /dev/null
+++ b/src/Http/Redirector.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Engelsystem\Http;
+
+class Redirector
+{
+    /** @var Request */
+    protected $request;
+
+    /** @var Response */
+    protected $response;
+
+    /**
+     * @param Request  $request
+     * @param Response $response
+     */
+    public function __construct(Request $request, Response $response)
+    {
+        $this->request = $request;
+        $this->response = $response;
+    }
+
+    /**
+     * @param string $path
+     * @param int    $status
+     * @param array  $headers
+     * @return Response
+     */
+    public function to(string $path, int $status = 302, array $headers = []): Response
+    {
+        return $this->response->redirectTo($path, $status, $headers);
+    }
+
+    /**
+     * @param int   $status
+     * @param array $headers
+     * @return Response
+     */
+    public function back(int $status = 302, array $headers = []): Response
+    {
+        return $this->to($this->getPreviousUrl(), $status, $headers);
+    }
+
+    /**
+     * @return string
+     */
+    protected function getPreviousUrl(): string
+    {
+        if ($header = $this->request->getHeader('referer')) {
+            return array_pop($header);
+        }
+
+        return '/';
+    }
+}
diff --git a/src/Http/Response.php b/src/Http/Response.php
index a6b4ab74..43bcb5d8 100644
--- a/src/Http/Response.php
+++ b/src/Http/Response.php
@@ -6,27 +6,37 @@ use Engelsystem\Renderer\Renderer;
 use InvalidArgumentException;
 use Psr\Http\Message\ResponseInterface;
 use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
 
 class Response extends SymfonyResponse implements ResponseInterface
 {
     use MessageTrait;
 
+    /**
+     * @var SessionInterface
+     */
+    protected $session;
+
     /** @var Renderer */
     protected $renderer;
 
     /**
-     * @param string   $content
-     * @param int      $status
-     * @param array    $headers
-     * @param Renderer $renderer
+     * @param string           $content
+     * @param int              $status
+     * @param array            $headers
+     * @param Renderer         $renderer
+     * @param SessionInterface $session
      */
     public function __construct(
         $content = '',
         int $status = 200,
         array $headers = [],
-        Renderer $renderer = null
+        Renderer $renderer = null,
+        SessionInterface $session = null
     ) {
         $this->renderer = $renderer;
+        $this->session = $session;
+
         parent::__construct($content, $status, $headers);
     }
 
@@ -155,4 +165,44 @@ class Response extends SymfonyResponse implements ResponseInterface
     {
         $this->renderer = $renderer;
     }
+
+    /**
+     * Sets a session attribute (which is mutable)
+     *
+     * @param string        $key
+     * @param mixed|mixed[] $value
+     * @return Response
+     */
+    public function with(string $key, $value)
+    {
+        if (!$this->session instanceof SessionInterface) {
+            throw new InvalidArgumentException('Session not defined');
+        }
+
+        $data = $this->session->get($key);
+        if (is_array($data) && is_array($value)) {
+            $value = array_merge_recursive($data, $value);
+        }
+
+        $this->session->set($key, $value);
+
+        return $this;
+    }
+
+    /**
+     * Sets form data to the mutable session
+     *
+     * @param array $input
+     * @return Response
+     */
+    public function withInput(array $input)
+    {
+        if (!$this->session instanceof SessionInterface) {
+            throw new InvalidArgumentException('Session not defined');
+        }
+
+        $this->session->set('form-data', $input);
+
+        return $this;
+    }
 }
-- 
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