From 8019d9c99aca1970dfcb7bdd78d0576bd5f0a436 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:06:41 +0200
Subject: [PATCH 01/10] deleteArticle()

---
 content/profile.php                         | 12 ++++++
 includes/alertMessages.php                  | 43 +++++++++++++++++++++
 php/controller/deleteArticle-controller.php | 38 ++++++++++++++++++
 3 files changed, 93 insertions(+)
 create mode 100644 includes/alertMessages.php
 create mode 100644 php/controller/deleteArticle-controller.php

diff --git a/content/profile.php b/content/profile.php
index 8fc7566..7a1c227 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -93,6 +93,9 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
         </div>
 
         <div class="container">
+
+            <?php include_once "includes/alertMessages.php"?>
+            
             <h2 class="section-title">Meine Beiträge</h2>
 
             <div class="articles-list">
@@ -151,6 +154,15 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
                                class="edit-link-button">
                                 Bearbeiten
                             </a>
+
+                            <form action="/php/controller/deleteArticle-controller.php" method="POST">
+                                <input type="hidden" name="id" value="<?php echo htmlspecialchars($userArticle->getID()); ?>">
+
+                                <button type="submit" class="edit-link-button" onclick="return confirm('Möchtest du diesen Artikel wirklich löschen?');">
+                                    Löschen
+                                </button>
+                            </form>
+
                         </div>
                     <?php endforeach; ?>
 
diff --git a/includes/alertMessages.php b/includes/alertMessages.php
new file mode 100644
index 0000000..bb122a7
--- /dev/null
+++ b/includes/alertMessages.php
@@ -0,0 +1,43 @@
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "internal_error"): ?>
+    <p class="alert-message is-error">
+        Es ist ein interner Fehler beim Speichern aufgetreten. Bitte versuche es erneut.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "missing_parameters"): ?>
+    <p class="alert-message is-error">
+        Jeder Beitrag muss einen Titel, Kategorie und Inhalt besitzen.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "invalid_title"): ?>
+    <p class="alert-message is-error">
+        Der Titel enthält ungültige Zeichen oder erfüllt die Länge von 5-120 Zeichen nicht.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "invalid_content"): ?>
+    <p class="alert-message is-error">
+        Der Text erlaubt eine Länge von 10 bis maximal 7.000 Zeichen (ca. 1.000 Wörter).
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "invalid_category"): ?>
+    <p class="alert-message is-error">
+        Die ausgewählte Kategorie ist ungültig.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "invalid_tags"): ?>
+    <p class="alert-message is-error">
+        Ungültige Schlagworte gefunden. Erlaubt sind nur Buchstaben, Zahlen, Leerzeichen und Bindestriche (2-50 Zeichen).
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "validation_missing"): ?>
+    <p class="alert-message is-error">
+        Bei der Validierung deiner Daten ist ein Fehler aufgetreten. Bitte versuche es erneut.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "invalid_category"): ?>
+    <p class="alert-message is-error">
+        Diese Kategorie ist nicht gültig.
+    </p>
+<?php endif; ?>
+<?php
+unset($_SESSION["message"]);
+?>
diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
new file mode 100644
index 0000000..efae77f
--- /dev/null
+++ b/php/controller/deleteArticle-controller.php
@@ -0,0 +1,38 @@
+<?php
+if (session_status() === PHP_SESSION_NONE) {
+    session_start();
+}
+
+require_once "php/model/ArticleManager.php";
+
+if ($_SERVER["REQUEST_METHOD"] === "POST") {
+    if (isset($_POST["id"]) && !empty($_POST["id"])) {
+        $id = $_POST["id"];
+    } else {
+        $_SESSION["message"] = "missing_id";
+        header("location: ../../index.php?pfad=profile");
+        exit();
+    }
+
+    if (isset($_SESSION["user"])){
+        $user = $_SESSION["user"];
+    } else {
+        header("location: ../../index.php?pfad=login");
+        exit();
+    }
+
+    try {
+
+        $articleManager = ArticleManager::getInstance();
+        $articleManager->deleteArticle($id, $user);
+
+    } catch (Exception $e) {
+        $_SESSION["message"] = $e->getMessage();
+        header("location: ../../index.php?pfad=profile");
+        exit();
+    }
+    $_SESSION["message"] = "article_deleted";
+    // Weiterleitung zur Homepage
+    header("location: ../../index.php?pfad=profile");
+    exit();
+}

From 429ecb4e0e871e4c0c48172ed5f9260e9a7ca39e Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:09:13 +0200
Subject: [PATCH 02/10] Update profile.php

---
 content/profile.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/content/profile.php b/content/profile.php
index 7a1c227..5c67936 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -95,7 +95,7 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
         <div class="container">
 
             <?php include_once "includes/alertMessages.php"?>
-            
+
             <h2 class="section-title">Meine Beiträge</h2>
 
             <div class="articles-list">
@@ -155,10 +155,10 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
                                 Bearbeiten
                             </a>
 
-                            <form action="/php/controller/deleteArticle-controller.php" method="POST">
+                            <form action="php/controller/deleteArticle-controller.php" method="POST">
                                 <input type="hidden" name="id" value="<?php echo htmlspecialchars($userArticle->getID()); ?>">
 
-                                <button type="submit" class="edit-link-button" onclick="return confirm('Möchtest du diesen Artikel wirklich löschen?');">
+                                <button type="submit" onclick="return confirm('Möchtest du diesen Artikel wirklich löschen?');">
                                     Löschen
                                 </button>
                             </form>

From 36f6396148782d095a5f8a560c0a43ac583dd1e6 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:13:49 +0200
Subject: [PATCH 03/10] Update deleteArticle-controller.php

---
 php/controller/deleteArticle-controller.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index efae77f..3bd4485 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -3,7 +3,7 @@ if (session_status() === PHP_SESSION_NONE) {
     session_start();
 }
 
-require_once "php/model/ArticleManager.php";
+require_once "../model/ArticleManager.php";
 
 if ($_SERVER["REQUEST_METHOD"] === "POST") {
     if (isset($_POST["id"]) && !empty($_POST["id"])) {

From da9dc0e8fbfc3b119860cb0a70e0308befc91644 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:15:29 +0200
Subject: [PATCH 04/10] Update deleteArticle-controller.php

---
 php/controller/deleteArticle-controller.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index 3bd4485..1e71948 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -26,7 +26,7 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         $articleManager = ArticleManager::getInstance();
         $articleManager->deleteArticle($id, $user);
 
-    } catch (Exception $e) {
+    } catch (\Exception $e) {
         $_SESSION["message"] = $e->getMessage();
         header("location: ../../index.php?pfad=profile");
         exit();

From 42aa908f1c5611a39743a239fd0b6e910c6bd980 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:20:22 +0200
Subject: [PATCH 05/10] Update deleteArticle-controller.php

---
 php/controller/deleteArticle-controller.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index 1e71948..68cc651 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -3,7 +3,7 @@ if (session_status() === PHP_SESSION_NONE) {
     session_start();
 }
 
-require_once "../model/ArticleManager.php";
+require_once __DIR__ . "/../model/ArticleManager.php";
 
 if ($_SERVER["REQUEST_METHOD"] === "POST") {
     if (isset($_POST["id"]) && !empty($_POST["id"])) {

From a0932fed04fc486b605426409e5e9e3106a91e1d Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:21:28 +0200
Subject: [PATCH 06/10] debugging

---
 php/controller/deleteArticle-controller.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index 68cc651..96f0307 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -21,7 +21,7 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         exit();
     }
 
-    try {
+    /*try {
 
         $articleManager = ArticleManager::getInstance();
         $articleManager->deleteArticle($id, $user);
@@ -30,9 +30,9 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         $_SESSION["message"] = $e->getMessage();
         header("location: ../../index.php?pfad=profile");
         exit();
-    }
+    }*/
+    
     $_SESSION["message"] = "article_deleted";
-    // Weiterleitung zur Homepage
     header("location: ../../index.php?pfad=profile");
     exit();
 }

From e0fbd220f09769557f43f37de33960106b95f821 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:23:36 +0200
Subject: [PATCH 07/10] debugging

---
 php/controller/deleteArticle-controller.php | 6 +++---
 php/model/DatabaseArticleManager.php        | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index 96f0307..bbf4428 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -21,7 +21,7 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         exit();
     }
 
-    /*try {
+    try {
 
         $articleManager = ArticleManager::getInstance();
         $articleManager->deleteArticle($id, $user);
@@ -30,8 +30,8 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         $_SESSION["message"] = $e->getMessage();
         header("location: ../../index.php?pfad=profile");
         exit();
-    }*/
-    
+    }
+
     $_SESSION["message"] = "article_deleted";
     header("location: ../../index.php?pfad=profile");
     exit();
diff --git a/php/model/DatabaseArticleManager.php b/php/model/DatabaseArticleManager.php
index 1697071..83b4baa 100644
--- a/php/model/DatabaseArticleManager.php
+++ b/php/model/DatabaseArticleManager.php
@@ -147,7 +147,7 @@ class DatabaseArticleManager implements ArticleManagerDAO {
 
     public function deleteArticle($id, $author)
     {
-        $article = getArticle($id);
+        $article = $this->getArticle($id);
         if (empty($article)) {
             throw new NotFoundException("not_found_article");
         }

From 5f9789a884e72d4f40d90fe6dbae2a27099d68ff Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:28:40 +0200
Subject: [PATCH 08/10] alerts

---
 includes/alertMessages.php                  | 20 ++++++++++++++++++++
 php/controller/deleteArticle-controller.php | 15 ++++++++-------
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/includes/alertMessages.php b/includes/alertMessages.php
index bb122a7..25064bc 100644
--- a/includes/alertMessages.php
+++ b/includes/alertMessages.php
@@ -38,6 +38,26 @@
         Diese Kategorie ist nicht gültig.
     </p>
 <?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "missing_id"): ?>
+    <p class="alert-message is-error">
+        Die Artikel-ID fehlt oder ist ungültig.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "not_found_article"): ?>
+    <p class="alert-message is-error">
+        Der angeforderte Beitrag konnte nicht gefunden werden.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "unauthorized_access"): ?>
+    <p class="alert-message is-error">
+        Du hast keine Berechtigung, diesen Beitrag zu bearbeiten oder zu löschen.
+    </p>
+<?php endif; ?>
+<?php if (isset($_SESSION["message"]) && $_SESSION["message"] == "article_deleted"): ?>
+    <p class="alert-message is-success">
+        Der Beitrag wurde erfolgreich gelöscht.
+    </p>
+<?php endif; ?>
 <?php
 unset($_SESSION["message"]);
 ?>
diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index bbf4428..dd2d105 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -6,13 +6,6 @@ if (session_status() === PHP_SESSION_NONE) {
 require_once __DIR__ . "/../model/ArticleManager.php";
 
 if ($_SERVER["REQUEST_METHOD"] === "POST") {
-    if (isset($_POST["id"]) && !empty($_POST["id"])) {
-        $id = $_POST["id"];
-    } else {
-        $_SESSION["message"] = "missing_id";
-        header("location: ../../index.php?pfad=profile");
-        exit();
-    }
 
     if (isset($_SESSION["user"])){
         $user = $_SESSION["user"];
@@ -21,6 +14,14 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         exit();
     }
 
+    if (isset($_POST["id"]) && !empty($_POST["id"])) {
+        $id = $_POST["id"];
+    } else {
+        $_SESSION["message"] = "missing_id";
+        header("location: ../../index.php?pfad=profile");
+        exit();
+    }
+
     try {
 
         $articleManager = ArticleManager::getInstance();

From ac2451fe64c8910258deebec53fb3af876937d6d Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:34:39 +0200
Subject: [PATCH 09/10] Update deleteArticle-controller.php

---
 php/controller/deleteArticle-controller.php | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index dd2d105..27858d4 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -7,10 +7,13 @@ require_once __DIR__ . "/../model/ArticleManager.php";
 
 if ($_SERVER["REQUEST_METHOD"] === "POST") {
 
-    if (isset($_SESSION["user"])){
-        $user = $_SESSION["user"];
+    if (isset($_SESSION["user_email"])) {
+        $user = $_SESSION["user_email"];
     } else {
-        header("location: ../../index.php?pfad=login");
+        $_SESSION = [];
+        session_destroy();
+
+        header("Location: index.php");
         exit();
     }
 

From a5e1fb4c387813d5ba5da73f483f44e8a69e96e7 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <145041949+NOrtmann1@users.noreply.github.com>
Date: Wed, 10 Jun 2026 17:49:33 +0200
Subject: [PATCH 10/10] css

---
 content/profile.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/content/profile.php b/content/profile.php
index 5c67936..a404854 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -158,7 +158,9 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
                             <form action="php/controller/deleteArticle-controller.php" method="POST">
                                 <input type="hidden" name="id" value="<?php echo htmlspecialchars($userArticle->getID()); ?>">
 
-                                <button type="submit" onclick="return confirm('Möchtest du diesen Artikel wirklich löschen?');">
+                                <button type="submit"
+                                        class="button"
+                                        onclick="return confirm('Möchtest du diesen Artikel wirklich löschen?');">
                                     Löschen
                                 </button>
                             </form>