From 59268dc1026e381dfc9e0c628a63d174cee3d6fe Mon Sep 17 00:00:00 2001
From: NOrtmann1 <ortmann.niklas@yahoo.de>
Date: Mon, 1 Jun 2026 11:14:59 +0200
Subject: [PATCH] Eingaben gehen bei Fehlermeldungen nicht verloren

---
 content/createArticle.php                   | 12 +++++++++---
 php/controller/createArticle-controller.php |  4 ++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/content/createArticle.php b/content/createArticle.php
index 3e95141..7697780 100644
--- a/content/createArticle.php
+++ b/content/createArticle.php
@@ -46,8 +46,12 @@ session_start();
         <?php
         unset($_SESSION["message"]);
         ?>
-        <input type="text" id="title" name="title" placeholder="Titel hier eingeben" required>
-        <textarea id="content" name="content" placeholder="Schreibe deinen Beitrag..."></textarea>
+        <input type="text" id="title" name="title"
+               value="<?php if (isset($_SESSION['old_title'])){htmlspecialchars($_SESSION['old_title'] ?? '');} unset($_SESSION['old_title']); ?>"
+               placeholder="Titel hier eingeben" required>
+        <textarea id="content" name="content" placeholder="Schreibe deinen Beitrag...">
+            <?php if (isset($_SESSION['old_content'])){htmlspecialchars($_SESSION['old_content'] ?? '');} unset($_SESSION['old_content']); ?>
+        </textarea>
     </main>
 
     <!-- Seitenleiste -->
@@ -104,7 +108,9 @@ session_start();
 
         <div class="sidebar-block">
             <label for="tags">Schlagwörter</label>
-            <input type="text" id="tags" name="tags" placeholder="z.B. Technik, IT (mit Komma trennen)">
+            <input type="text" id="tags" name="tags"
+                   value="<?php if(isset($_SESSION['old_tags'])){htmlspecialchars($_SESSION['old_tags'] ?? '');} unset($_SESSION['old_tags']); ?>"
+                   placeholder="z.B. Technik, IT (mit Komma trennen)">
         </div>
 
     </aside>
diff --git a/php/controller/createArticle-controller.php b/php/controller/createArticle-controller.php
index d0a5b6a..ad90d86 100644
--- a/php/controller/createArticle-controller.php
+++ b/php/controller/createArticle-controller.php
@@ -4,6 +4,10 @@ require_once '../model/LocalArticleManager.php';
 require_once '../model/ArticleManager.php';
 
 if ($_SERVER["REQUEST_METHOD"] === "POST") {
+    $_SESSION["old_title"]    = $_POST["title"] ?? '';
+    $_SESSION["old_content"]  = $_POST["content"] ?? '';
+    $_SESSION["old_category"] = $_POST["category"] ?? '';
+    $_SESSION["old_tags"]     = $_POST["tags"] ?? '';
     if(!isset($_POST["title"]) ||!isset($_POST["content"]) || !isset($_POST["category"])){
         $_SESSION["message"] = "missing_parameters";
         header("location: ../../index.php?pfad=createArticle");