From 4d4b8aeb99d5c29ce6c56044144fbd2bf8cae64f Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Tue, 26 May 2026 00:20:34 +0200
Subject: [PATCH 01/19] First Implementation

---
 .idea/php.xml          |  1 +
 content/deregister.php | 25 ++++++++++++++
 content/login.php      | 76 +++++++++++++++++++++++++++++++++++++-----
 content/logout.php     |  6 ++++
 content/profile.php    |  8 +++++
 content/register.php   | 45 +++++++++++++++++++++++--
 includes/UserDAO.php   | 40 ++++++++++++++++++++++
 includes/navbar.php    | 70 +++++++++++++++++++++++++++++---------
 8 files changed, 245 insertions(+), 26 deletions(-)
 create mode 100644 content/deregister.php
 create mode 100644 content/logout.php
 create mode 100644 includes/UserDAO.php

diff --git a/.idea/php.xml b/.idea/php.xml
index f324872..8d4f284 100644
--- a/.idea/php.xml
+++ b/.idea/php.xml
@@ -10,6 +10,7 @@
     <option name="highlightLevel" value="WARNING" />
     <option name="transferred" value="true" />
   </component>
+  <component name="PhpProjectSharedConfiguration" php_language_level="8.5" />
   <component name="PhpStanOptionsConfiguration">
     <option name="transferred" value="true" />
   </component>
diff --git a/content/deregister.php b/content/deregister.php
new file mode 100644
index 0000000..e4aa363
--- /dev/null
+++ b/content/deregister.php
@@ -0,0 +1,25 @@
+<?php
+session_start();
+require_once "includes/UserDAO.php";
+
+$dao = new UserDAO();
+
+/*
+    Deregistrierung
+    Funktion: Entfernt User aus Dummy-Daten und beendet Session
+*/
+
+if (isset($_SESSION["user_email"])) {
+
+    $email = $_SESSION["user_email"];
+
+    $dao->deleteUser($email);
+
+}
+
+/* Session beenden */
+$_SESSION = [];
+session_destroy();
+
+header("Location: index.php?pfad=register");
+exit();
\ No newline at end of file
diff --git a/content/login.php b/content/login.php
index 9cdac36..c984318 100644
--- a/content/login.php
+++ b/content/login.php
@@ -1,32 +1,92 @@
+<?php
+session_start();
+require_once "includes/UserDAO.php";
+
+$dao = new UserDAO();
+
+$error = null;
+
+/*
+    Verarbeitung des Login-Formulars
+    Funktion: Prüft Benutzerdaten und erstellt Session für eingeloggten Nutzer
+*/
+if ($_SERVER["REQUEST_METHOD"] === "POST") {
+
+    $email = $_POST["email"];
+    $password = $_POST["password"];
+
+    // Benutzer im DAO suchen (Dummy-Daten)
+    $user = $dao->findUser($email);
+
+    // Prüfung der Zugangsdaten
+    if ($user && $user["password"] === $password) {
+
+        // Session setzen = User ist eingeloggt
+        $_SESSION["user"] = $user["username"];
+        $_SESSION["user_email"] = $user["email"];
+
+        // Weiterleitung zum Profil
+        header("Location: index.php?pfad=profile");
+        exit();
+
+    } else {
+        $error = "Login fehlgeschlagen. Bitte überprüfe deine Eingaben.";
+    }
+}
+?>
+
 <!--
     Form: Login-Bereich
     Funktion: Benutzerauthentifizierung und Zugang zum eigenen Profil, Erstellen von Beiträgen, etc.
 -->
 <main class="login-page">
     <div class="login-container">
-        
+
         <h1>Bitte anmelden</h1>
 
-        <form>
-            <label id ="inputEmail" class="screenreader-only">E-Mail Adresse / </label>
+        <!-- Fehlermeldung anzeigen -->
+        <?php if ($error): ?>
+            <p style="color:red;"><?php echo $error; ?></p>
+        <?php endif; ?>
+
+        <form method="post" action="index.php?pfad=login">
 
             <p class="input-label">Benutzername/E-Mail-Adresse:</p>
-            <input type="email" name="email" class="login-input" placeholder="E-Mail-Adresse" required autofocus>
+            <input type="email"
+                   name="email"
+                   class="login-input"
+                   placeholder="E-Mail-Adresse"
+                   required
+                   autofocus>
 
             <p class="input-label">Passwort:</p>
-            <input type="password" name="password" class="login-input" placeholder="Passwort" required>
+            <input type="password"
+                   name="password"
+                   class="login-input"
+                   placeholder="Passwort"
+                   required>
 
             <div class="checkbox-wrapper">
                 <label>
-                    <input type="checkbox" name="remember-me" value="1"> angemeldet bleiben
+                    <input type="checkbox" name="remember-me" value="1">
+                    angemeldet bleiben
                 </label>
             </div>
 
-            <button type="submit" value="anmelden" name="loginSubmit" class="login-button">anmelden</button>
+            <button type="submit"
+                    value="anmelden"
+                    name="loginSubmit"
+                    class="login-button">
+                anmelden
+            </button>
 
             <div class="register-link">
-                <a href="register.php">Noch keinen Account? Jetzt hier registrieren!</a>
+                <a href="index.php?pfad=register">
+                    Noch keinen Account? Jetzt hier registrieren!
+                </a>
             </div>
+
         </form>
+
     </div>
 </main>
\ No newline at end of file
diff --git a/content/logout.php b/content/logout.php
new file mode 100644
index 0000000..19fd8b8
--- /dev/null
+++ b/content/logout.php
@@ -0,0 +1,6 @@
+<?php
+session_start();
+session_destroy();
+
+header("Location: index.php?pfad=login");
+exit();
\ No newline at end of file
diff --git a/content/profile.php b/content/profile.php
index 769b4fb..16e9aa9 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -1,3 +1,11 @@
+<?php
+session_start();
+
+if (!isset($_SESSION["user"])) {
+    header("Location: index.php?pfad=login");
+    exit();
+}
+?>
 <!--
     Content: Profil
     Inhalt: Das eigene Profil, wenn man angemeldet ist. Dort hat man die Möglichkeit seine Angaben zu ändern.
diff --git a/content/register.php b/content/register.php
index c64ca53..78df41d 100644
--- a/content/register.php
+++ b/content/register.php
@@ -1,3 +1,33 @@
+<?php
+session_start();
+require_once "includes/UserDAO.php";
+
+$dao = new UserDAO();
+
+/*
+    Verarbeitung des Registrierungs-Formulars
+    Funktion: Erstellt neuen Benutzer (Dummy) und speichert ihn im DAO + Session
+*/
+if ($_SERVER["REQUEST_METHOD"] === "POST") {
+
+    $email = $_POST["email"];
+    $vorname = $_POST["vorname"];
+    $nachname = $_POST["nachname"];
+    $password = $_POST["password"];
+
+    // Benutzer im DAO speichern (Dummy-Daten)
+    $dao->addUser($email, $vorname . " " . $nachname, $password);
+
+    // Session setzen = User ist eingeloggt
+    $_SESSION["user"] = $vorname . " " . $nachname;
+    $_SESSION["user_email"] = $email;
+
+    // Weiterleitung zum Profil
+    header("Location: index.php?pfad=profile");
+    exit();
+}
+?>
+
 <!--
     Form: Registrierung
     Funktion: Erstellung neuer Benutzerkonten
@@ -7,7 +37,8 @@
 
         <h1>Jetzt Registrieren!</h1>
 
-        <form>
+        <form method="post" action="index.php?pfad=register">
+
             <p class="input-label">Email:</p>
             <input type="email" name="email" class="login-input" placeholder="mustermann@web.de" required>
 
@@ -22,11 +53,19 @@
 
             <div class="checkbox-wrapper">
                 <label>
-                    <input type="checkbox" value="remember-me"> angemeldet bleiben
+                    <input type="checkbox" value="remember-me">
+                    angemeldet bleiben
                 </label>
             </div>
 
-            <button type="submit" value="anmelden" name="loginSubmit" class="login-button">kostenlos registrieren</button>
+            <button type="submit"
+                    value="register"
+                    name="registerSubmit"
+                    class="login-button">
+                kostenlos registrieren
+            </button>
+
         </form>
+
     </div>
 </main>
\ No newline at end of file
diff --git a/includes/UserDAO.php b/includes/UserDAO.php
new file mode 100644
index 0000000..40e6412
--- /dev/null
+++ b/includes/UserDAO.php
@@ -0,0 +1,40 @@
+<?php
+
+class UserDAO {
+
+    private static array $users = [
+        [
+            "email" => "test@test.de",
+            "username" => "test",
+            "password" => "1234"
+        ]
+    ];
+
+    public function findUser($email) {
+        foreach (self::$users as $user) {
+            if ($user["email"] === $email) {
+                return $user;
+            }
+        }
+        return null;
+    }
+
+    public function addUser($email, $username, $password) {
+        self::$users[] = [
+            "email" => $email,
+            "username" => $username,
+            "password" => $password
+        ];
+    }
+
+    public function deleteUser($email) {
+        foreach (self::$users as $i => $user) {
+            if ($user["email"] === $email) {
+                unset(self::$users[$i]);
+                self::$users = array_values(self::$users);
+                return true;
+            }
+        }
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/includes/navbar.php b/includes/navbar.php
index 564e929..c29f8ae 100644
--- a/includes/navbar.php
+++ b/includes/navbar.php
@@ -1,23 +1,37 @@
+<?php
+session_start();
+?>
+
 <!--
 Globales Menü, wird via PHP später in alle Seiten eingebunden
 -->
 <nav class="nav">
     <div class="nav__left">
         <a href="index.php" class="nav__logo">
-	        <img src="images/logos/logo_full.png" alt="Logo">
-	    </a>
+            <img src="images/logos/logo_full.png" alt="Logo">
+        </a>
     </div>
 
     <!-- Mobile navbar mit Burger-Symbol -->
     <input type="checkbox" id="nav-toggle" class="nav__checkbox">
     <label for="nav-toggle" id="mobile-nav">
-        <span>☰</span> <!-- Burger Icon Symbol -->
+        <span>☰</span>
     </label>
 
     <ul id="mobile-nav" class="nav__mobile-menu">
-        <li><a href="index.php?pfad=profile">Profil</a></li>
-        <li><a href="index.php?pfad=login">Anmelden</a></li>
-        <li><a href="index.php?pfad=register">Registrieren</a></li>
+
+        <?php if (isset($_SESSION['user'])): ?>
+
+            <li><a href="index.php?pfad=profile">Profil</a></li>
+            <li><a href="index.php?pfad=logout">Abmelden</a></li>
+
+        <?php else: ?>
+
+            <li><a href="index.php?pfad=login">Anmelden</a></li>
+            <li><a href="index.php?pfad=register">Registrieren</a></li>
+
+        <?php endif; ?>
+
         <li>
             <label class="nav__mobile-label">Sprachen</label>
             <ul class="nav__mobile-submenu">
@@ -35,7 +49,7 @@ Globales Menü, wird via PHP später in alle Seiten eingebunden
                 <li><a href="index.php?pfad=mathe">Mathematik</a></li>
                 <li><a href="index.php?pfad=biologie">Biologie</a></li>
                 <li><a href="index.php?pfad=chemie">Chemie</a></li>
-                <li><a href="index.php?pfad=englisch">Physik</a></li>
+                <li><a href="index.php?pfad=physik">Physik</a></li>
                 <li><a href="index.php?pfad=informatik">Informatik</a></li>
                 <li><a href="index.php?pfad=astronomie">Astronomie</a></li>
             </ul>
@@ -81,6 +95,7 @@ Globales Menü, wird via PHP später in alle Seiten eingebunden
                 <a href="index.php?pfad=literatur">Literatur</a>
             </div>
         </div>
+
         <div class="nav__item nav__dropdown">
             <button class="nav__dropdown-toggle">MINT</button>
             <div class="nav__dropdown-menu">
@@ -92,6 +107,7 @@ Globales Menü, wird via PHP später in alle Seiten eingebunden
                 <a href="index.php?pfad=astronomie">Astronomie</a>
             </div>
         </div>
+
         <div class="nav__item nav__dropdown">
             <button class="nav__dropdown-toggle">Gesellschaft & Werte</button>
             <div class="nav__dropdown-menu">
@@ -108,6 +124,7 @@ Globales Menü, wird via PHP später in alle Seiten eingebunden
                 <a href="index.php?pfad=theater">Theater</a>
             </div>
         </div>
+
         <div class="nav__item nav__dropdown">
             <button class="nav__dropdown-toggle">Technik & Praxis</button>
             <div class="nav__dropdown-menu">
@@ -120,13 +137,36 @@ Globales Menü, wird via PHP später in alle Seiten eingebunden
     </div>
 
     <div class="nav__right">
-        <a href="index.php?pfad=profile" class="nav_item nav__link">Profil</a>
-        <div class="nav__search">
-        <?php
-            include_once 'search.php';
-        ?>
-        </div>
-	    <a href = "index.php?pfad=login" class="nav__item nav__button">Anmelden</a>
-	    <a href = "index.php?pfad=register" class="nav__item nav__button">Registrieren</a>
+
+        <?php if (isset($_SESSION['user'])): ?>
+
+            <a href="index.php?pfad=profile" class="nav__item nav__link">
+                Profil
+            </a>
+
+            <div class="nav__search">
+                <?php include_once 'search.php'; ?>
+            </div>
+
+            <a href="index.php?pfad=logout" class="nav__item nav__button">
+                Abmelden
+            </a>
+
+        <?php else: ?>
+
+            <div class="nav__search">
+                <?php include_once 'search.php'; ?>
+            </div>
+
+            <a href="index.php?pfad=login" class="nav__item nav__button">
+                Anmelden
+            </a>
+
+            <a href="index.php?pfad=register" class="nav__item nav__button">
+                Registrieren
+            </a>
+
+        <?php endif; ?>
+
     </div>
 </nav>
\ No newline at end of file

From a946cee891e9dc2671120955734860199fd15f2d Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Tue, 26 May 2026 22:59:48 +0200
Subject: [PATCH 02/19] First Implementation

---
 .ai/mcp/mcp.json     |  0
 content/register.php | 29 +++++++++++++++++++--------
 data/users.json      |  7 +++++++
 includes/UserDAO.php | 47 +++++++++++++++++++++++++++++++++-----------
 4 files changed, 63 insertions(+), 20 deletions(-)
 create mode 100644 .ai/mcp/mcp.json
 create mode 100644 data/users.json

diff --git a/.ai/mcp/mcp.json b/.ai/mcp/mcp.json
new file mode 100644
index 0000000..e69de29
diff --git a/content/register.php b/content/register.php
index 78df41d..37d75ee 100644
--- a/content/register.php
+++ b/content/register.php
@@ -4,6 +4,8 @@ require_once "includes/UserDAO.php";
 
 $dao = new UserDAO();
 
+$error = null;
+
 /*
     Verarbeitung des Registrierungs-Formulars
     Funktion: Erstellt neuen Benutzer (Dummy) und speichert ihn im DAO + Session
@@ -15,16 +17,22 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
     $nachname = $_POST["nachname"];
     $password = $_POST["password"];
 
-    // Benutzer im DAO speichern (Dummy-Daten)
-    $dao->addUser($email, $vorname . " " . $nachname, $password);
+    // Prüfen, ob die E-Mail bereits registriert ist
+    if ($dao->findUser($email)) {
+        $error = "Diese E-Mail-Adresse ist bereits registriert.";
+    } else {
 
-    // Session setzen = User ist eingeloggt
-    $_SESSION["user"] = $vorname . " " . $nachname;
-    $_SESSION["user_email"] = $email;
+        // Benutzer im DAO speichern (JSON-Dummy-Daten)
+        $dao->addUser($email, $vorname . " " . $nachname, $password);
 
-    // Weiterleitung zum Profil
-    header("Location: index.php?pfad=profile");
-    exit();
+        // Session setzen = User ist eingeloggt
+        $_SESSION["user"] = $vorname . " " . $nachname;
+        $_SESSION["user_email"] = $email;
+
+        // Weiterleitung zum Profil
+        header("Location: index.php?pfad=profile");
+        exit();
+    }
 }
 ?>
 
@@ -37,6 +45,11 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
 
         <h1>Jetzt Registrieren!</h1>
 
+        <!-- Fehlermeldung anzeigen -->
+        <?php if ($error): ?>
+            <p style="color:red;"><?php echo $error; ?></p>
+        <?php endif; ?>
+
         <form method="post" action="index.php?pfad=register">
 
             <p class="input-label">Email:</p>
diff --git a/data/users.json b/data/users.json
new file mode 100644
index 0000000..fc1d1a9
--- /dev/null
+++ b/data/users.json
@@ -0,0 +1,7 @@
+[
+  {
+    "email": "test@test.de",
+    "username": "test",
+    "password": "1234"
+  }
+]
\ No newline at end of file
diff --git a/includes/UserDAO.php b/includes/UserDAO.php
index 40e6412..a0d60ce 100644
--- a/includes/UserDAO.php
+++ b/includes/UserDAO.php
@@ -2,39 +2,62 @@
 
 class UserDAO {
 
-    private static array $users = [
-        [
-            "email" => "test@test.de",
-            "username" => "test",
-            "password" => "1234"
-        ]
-    ];
+    private string $file = "data/users.json";
+
+    private function loadUsers() {
+        if (!file_exists($this->file)) {
+            return [];
+        }
+
+        $json = file_get_contents($this->file);
+        $users = json_decode($json, true);
+
+        return is_array($users) ? $users : [];
+    }
+
+    private function saveUsers($users) {
+        file_put_contents(
+            $this->file,
+            json_encode($users, JSON_PRETTY_PRINT)
+        );
+    }
 
     public function findUser($email) {
-        foreach (self::$users as $user) {
+        $users = $this->loadUsers();
+
+        foreach ($users as $user) {
             if ($user["email"] === $email) {
                 return $user;
             }
         }
+
         return null;
     }
 
     public function addUser($email, $username, $password) {
-        self::$users[] = [
+        $users = $this->loadUsers();
+
+        $users[] = [
             "email" => $email,
             "username" => $username,
             "password" => $password
         ];
+
+        $this->saveUsers($users);
     }
 
     public function deleteUser($email) {
-        foreach (self::$users as $i => $user) {
+        $users = $this->loadUsers();
+
+        foreach ($users as $i => $user) {
             if ($user["email"] === $email) {
-                unset(self::$users[$i]);
-                self::$users = array_values(self::$users);
+                unset($users[$i]);
+                $users = array_values($users);
+                $this->saveUsers($users);
                 return true;
             }
         }
+
         return false;
     }
 }
\ No newline at end of file

From 7706c7dfbfe7d17816e75177e06a435dbfb83619 Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Tue, 26 May 2026 23:06:22 +0200
Subject: [PATCH 03/19] First Implementation

---
 content/profile.php | 57 +++++++++++++++++++++++++++++----------------
 1 file changed, 37 insertions(+), 20 deletions(-)

diff --git a/content/profile.php b/content/profile.php
index 16e9aa9..2bc236f 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -1,11 +1,15 @@
 <?php
-session_start();
+require_once "includes/UserDAO.php";
 
 if (!isset($_SESSION["user"])) {
     header("Location: index.php?pfad=login");
     exit();
 }
+
+$dao = new UserDAO();
+$user = $dao->findUser($_SESSION["user_email"]);
 ?>
+
 <!--
     Content: Profil
     Inhalt: Das eigene Profil, wenn man angemeldet ist. Dort hat man die Möglichkeit seine Angaben zu ändern.
@@ -14,27 +18,34 @@ if (!isset($_SESSION["user"])) {
 <main class="form-page">
 
     <div class="form-container">
-        <form>
 
-            <label class="input-label">Vorname</label>
+        <h1>Mein Profil</h1>
 
-            <input type="text" name="Vorname" class="login-input" required
-                   placeholder="Vorname"
-                   value="<?php //DB-Daten ?>">
+        <form method="post" action="index.php?pfad=profile">
 
-            <label class="input-label">Nachname</label>
-            <input type="text" name="Nachname" class="login-input" required
-                   placeholder="Nachname"
-                   value="<?php //DB-Daten ?>">
+            <label class="input-label">Name</label>
+            <input type="text"
+                   name="username"
+                   class="login-input"
+                   required
+                   placeholder="Name"
+                   value="<?php echo htmlspecialchars($user["username"]); ?>">
 
             <label class="input-label">Email-Adresse</label>
-            <input type="email" name="Email" class="login-input" required
+            <input type="email"
+                   name="email"
+                   class="login-input"
+                   required
                    placeholder="mustermann@web.de"
-                   value="<?php //DB-Daten ?>">
+                   value="<?php echo htmlspecialchars($user["email"]); ?>">
 
             <label class="input-label">Passwort</label>
-            <input type="password" name="Passwort" class="login-input"
-                   required placeholder="Passwort">
+            <input type="password"
+                   name="password"
+                   class="login-input"
+                   required
+                   placeholder="Passwort"
+                   value="<?php echo htmlspecialchars($user["password"]); ?>">
 
             <br>
 
@@ -42,13 +53,19 @@ if (!isset($_SESSION["user"])) {
                 Speichern
             </button>
 
-            <br><br>
-
-            <button type="button" class="login-button">
-                Account löschen
-            </button>
-
         </form>
 
+        <br>
+
+        <a href="index.php?pfad=deleteAccount" class="login-button">
+            Account löschen
+        </a>
+
+        <br><br>
+
+        <a href="index.php?pfad=logout" class="login-button">
+            Abmelden
+        </a>
+
     </div>
 </main>
\ No newline at end of file

From 46a307a5b0364e8977eb960a1b86c03112ded41b Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Tue, 26 May 2026 23:14:12 +0200
Subject: [PATCH 04/19] First Implementation

---
 content/{deregister.php => deleteAccount.php} | 0
 content/login.php                             | 4 ++--
 content/register.php                          | 4 ++--
 index.php                                     | 9 ++++++++-
 4 files changed, 12 insertions(+), 5 deletions(-)
 rename content/{deregister.php => deleteAccount.php} (100%)

diff --git a/content/deregister.php b/content/deleteAccount.php
similarity index 100%
rename from content/deregister.php
rename to content/deleteAccount.php
diff --git a/content/login.php b/content/login.php
index c984318..af502c0 100644
--- a/content/login.php
+++ b/content/login.php
@@ -25,8 +25,8 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         $_SESSION["user"] = $user["username"];
         $_SESSION["user_email"] = $user["email"];
 
-        // Weiterleitung zum Profil
-        header("Location: index.php?pfad=profile");
+        // Weiterleitung zur Homepage
+        header("Location: index.php");
         exit();
 
     } else {
diff --git a/content/register.php b/content/register.php
index 37d75ee..3f954eb 100644
--- a/content/register.php
+++ b/content/register.php
@@ -29,8 +29,8 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         $_SESSION["user"] = $vorname . " " . $nachname;
         $_SESSION["user_email"] = $email;
 
-        // Weiterleitung zum Profil
-        header("Location: index.php?pfad=profile");
+        // Weiterleitung zur Homepage
+        header("Location: index.php");
         exit();
     }
 }
diff --git a/index.php b/index.php
index 98209de..0890d10 100644
--- a/index.php
+++ b/index.php
@@ -1,3 +1,7 @@
+<?php
+session_start();
+ob_start();
+?>
 <!--
     Seite: Index der Lernplattform
     Funktion: Webseitengerüst, Anzeigen von Content
@@ -36,4 +40,7 @@
     ?>
 </body>
 
-</html>
\ No newline at end of file
+</html>
+<?php
+ob_end_flush();
+?>
\ No newline at end of file

From 4d8f338649145e031beee7726e63ecfd0fc410a3 Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Wed, 27 May 2026 19:25:58 +0200
Subject: [PATCH 05/19] =?UTF-8?q?DAO=20Pattern=20angepasst=20&=20Passw?=
 =?UTF-8?q?=C3=B6rter=20gehashed?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/login.php             | 2 +-
 content/register.php          | 5 ++++-
 includes/UserDAO.php          | 3 ++-
 includes/UserDAOInterface.php | 7 +++++++
 4 files changed, 14 insertions(+), 3 deletions(-)
 create mode 100644 includes/UserDAOInterface.php

diff --git a/content/login.php b/content/login.php
index af502c0..6e2c70b 100644
--- a/content/login.php
+++ b/content/login.php
@@ -19,7 +19,7 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
     $user = $dao->findUser($email);
 
     // Prüfung der Zugangsdaten
-    if ($user && $user["password"] === $password) {
+    if ($user && password_verify($password, $user["password"])){
 
         // Session setzen = User ist eingeloggt
         $_SESSION["user"] = $user["username"];
diff --git a/content/register.php b/content/register.php
index 3f954eb..6f8c88a 100644
--- a/content/register.php
+++ b/content/register.php
@@ -15,7 +15,10 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
     $email = $_POST["email"];
     $vorname = $_POST["vorname"];
     $nachname = $_POST["nachname"];
-    $password = $_POST["password"];
+    $password = password_hash(
+            $_POST["password"],
+            PASSWORD_DEFAULT
+    );
 
     // Prüfen, ob die E-Mail bereits registriert ist
     if ($dao->findUser($email)) {
diff --git a/includes/UserDAO.php b/includes/UserDAO.php
index a0d60ce..6ceb6c4 100644
--- a/includes/UserDAO.php
+++ b/includes/UserDAO.php
@@ -1,6 +1,7 @@
 <?php
+require_once "UserDAOInterface.php";
 
-class UserDAO {
+class UserDAO implements UserDAOInterface {
 
     private string $file = "data/users.json";
 
diff --git a/includes/UserDAOInterface.php b/includes/UserDAOInterface.php
new file mode 100644
index 0000000..15468da
--- /dev/null
+++ b/includes/UserDAOInterface.php
@@ -0,0 +1,7 @@
+<?php
+
+interface UserDAOInterface {
+    public function findUser($email);
+    public function addUser($email, $username, $password);
+    public function deleteUser($email);
+}
\ No newline at end of file

From 25f6d2bf4aa7a5c4664438d49392f770d3d10bc5 Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 21:35:54 +0200
Subject: [PATCH 06/19] Review Changes

---
 content/deleteAccount.php                  | 4 ++--
 content/login.php                          | 4 ++--
 content/profile.php                        | 5 +++--
 content/register.php                       | 4 ++--
 includes/{UserDAO.php => LocalUserDAO.php} | 2 +-
 5 files changed, 10 insertions(+), 9 deletions(-)
 rename includes/{UserDAO.php => LocalUserDAO.php} (96%)

diff --git a/content/deleteAccount.php b/content/deleteAccount.php
index e4aa363..4960ba0 100644
--- a/content/deleteAccount.php
+++ b/content/deleteAccount.php
@@ -1,8 +1,8 @@
 <?php
 session_start();
-require_once "includes/UserDAO.php";
+require_once "includes/LocalUserDAO.php";
 
-$dao = new UserDAO();
+$dao = new LocalUserDAO();
 
 /*
     Deregistrierung
diff --git a/content/login.php b/content/login.php
index 6e2c70b..5535463 100644
--- a/content/login.php
+++ b/content/login.php
@@ -1,8 +1,8 @@
 <?php
 session_start();
-require_once "includes/UserDAO.php";
+require_once "includes/LocalUserDAO.php";
 
-$dao = new UserDAO();
+$dao = new LocalUserDAO();
 
 $error = null;
 
diff --git a/content/profile.php b/content/profile.php
index 2bc236f..364cfc2 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -1,12 +1,13 @@
 <?php
-require_once "includes/UserDAO.php";
+require_once "includes/LocalUserDAO.php";
+
+$dao = new LocalUserDAO();
 
 if (!isset($_SESSION["user"])) {
     header("Location: index.php?pfad=login");
     exit();
 }
 
-$dao = new UserDAO();
 $user = $dao->findUser($_SESSION["user_email"]);
 ?>
 
diff --git a/content/register.php b/content/register.php
index 6f8c88a..b45cbcb 100644
--- a/content/register.php
+++ b/content/register.php
@@ -1,8 +1,8 @@
 <?php
 session_start();
-require_once "includes/UserDAO.php";
+require_once "includes/LocalUserDAO.php";
 
-$dao = new UserDAO();
+$dao = new LocalUserDAO();
 
 $error = null;
 
diff --git a/includes/UserDAO.php b/includes/LocalUserDAO.php
similarity index 96%
rename from includes/UserDAO.php
rename to includes/LocalUserDAO.php
index 6ceb6c4..63bd80c 100644
--- a/includes/UserDAO.php
+++ b/includes/LocalUserDAO.php
@@ -1,7 +1,7 @@
 <?php
 require_once "UserDAOInterface.php";
 
-class UserDAO implements UserDAOInterface {
+class LocalUserDAO implements UserDAOInterface {
 
     private string $file = "data/users.json";
 

From 6c5047be3009213ee47b6a9d7dd58d04a00d4633 Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 21:42:46 +0200
Subject: [PATCH 07/19] Review Changes

---
 content/deleteAccount.php |  7 +------
 content/login.php         | 15 +------------
 content/logout.php        |  2 ++
 content/register.php      | 44 +++++++++++++++++++--------------------
 data/users.json           |  8 +------
 5 files changed, 27 insertions(+), 49 deletions(-)

diff --git a/content/deleteAccount.php b/content/deleteAccount.php
index 4960ba0..f6620bf 100644
--- a/content/deleteAccount.php
+++ b/content/deleteAccount.php
@@ -10,14 +10,9 @@ $dao = new LocalUserDAO();
 */
 
 if (isset($_SESSION["user_email"])) {
-
-    $email = $_SESSION["user_email"];
-
-    $dao->deleteUser($email);
-
+    $dao->deleteUser($_SESSION["user_email"]);
 }
 
-/* Session beenden */
 $_SESSION = [];
 session_destroy();
 
diff --git a/content/login.php b/content/login.php
index 5535463..fcdc0b8 100644
--- a/content/login.php
+++ b/content/login.php
@@ -3,7 +3,6 @@ session_start();
 require_once "includes/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();
-
 $error = null;
 
 /*
@@ -15,17 +14,13 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
     $email = $_POST["email"];
     $password = $_POST["password"];
 
-    // Benutzer im DAO suchen (Dummy-Daten)
     $user = $dao->findUser($email);
 
-    // Prüfung der Zugangsdaten
-    if ($user && password_verify($password, $user["password"])){
+    if ($user && password_verify($password, $user["password"])) {
 
-        // Session setzen = User ist eingeloggt
         $_SESSION["user"] = $user["username"];
         $_SESSION["user_email"] = $user["email"];
 
-        // Weiterleitung zur Homepage
         header("Location: index.php");
         exit();
 
@@ -44,7 +39,6 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
 
         <h1>Bitte anmelden</h1>
 
-        <!-- Fehlermeldung anzeigen -->
         <?php if ($error): ?>
             <p style="color:red;"><?php echo $error; ?></p>
         <?php endif; ?>
@@ -66,13 +60,6 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
                    placeholder="Passwort"
                    required>
 
-            <div class="checkbox-wrapper">
-                <label>
-                    <input type="checkbox" name="remember-me" value="1">
-                    angemeldet bleiben
-                </label>
-            </div>
-
             <button type="submit"
                     value="anmelden"
                     name="loginSubmit"
diff --git a/content/logout.php b/content/logout.php
index 19fd8b8..b4250d3 100644
--- a/content/logout.php
+++ b/content/logout.php
@@ -1,5 +1,7 @@
 <?php
 session_start();
+
+$_SESSION = [];
 session_destroy();
 
 header("Location: index.php?pfad=login");
diff --git a/content/register.php b/content/register.php
index b45cbcb..7044f57 100644
--- a/content/register.php
+++ b/content/register.php
@@ -3,36 +3,28 @@ session_start();
 require_once "includes/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();
-
 $error = null;
 
 /*
     Verarbeitung des Registrierungs-Formulars
-    Funktion: Erstellt neuen Benutzer (Dummy) und speichert ihn im DAO + Session
+    Funktion: Erstellt neuen Benutzer und speichert ihn im DAO + Session
 */
 if ($_SERVER["REQUEST_METHOD"] === "POST") {
 
     $email = $_POST["email"];
     $vorname = $_POST["vorname"];
     $nachname = $_POST["nachname"];
-    $password = password_hash(
-            $_POST["password"],
-            PASSWORD_DEFAULT
-    );
+    $password = password_hash($_POST["password"], PASSWORD_DEFAULT);
 
-    // Prüfen, ob die E-Mail bereits registriert ist
     if ($dao->findUser($email)) {
         $error = "Diese E-Mail-Adresse ist bereits registriert.";
     } else {
 
-        // Benutzer im DAO speichern (JSON-Dummy-Daten)
         $dao->addUser($email, $vorname . " " . $nachname, $password);
 
-        // Session setzen = User ist eingeloggt
         $_SESSION["user"] = $vorname . " " . $nachname;
         $_SESSION["user_email"] = $email;
 
-        // Weiterleitung zur Homepage
         header("Location: index.php");
         exit();
     }
@@ -48,7 +40,6 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
 
         <h1>Jetzt Registrieren!</h1>
 
-        <!-- Fehlermeldung anzeigen -->
         <?php if ($error): ?>
             <p style="color:red;"><?php echo $error; ?></p>
         <?php endif; ?>
@@ -56,23 +47,32 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         <form method="post" action="index.php?pfad=register">
 
             <p class="input-label">Email:</p>
-            <input type="email" name="email" class="login-input" placeholder="mustermann@web.de" required>
+            <input type="email"
+                   name="email"
+                   class="login-input"
+                   placeholder="mustermann@web.de"
+                   required>
 
             <p class="input-label">Vorname:</p>
-            <input type="text" name="vorname" class="login-input" placeholder="Max" required>
+            <input type="text"
+                   name="vorname"
+                   class="login-input"
+                   placeholder="Max"
+                   required>
 
             <p class="input-label">Nachname:</p>
-            <input type="text" name="nachname" class="login-input" placeholder="Mustermann" required>
+            <input type="text"
+                   name="nachname"
+                   class="login-input"
+                   placeholder="Mustermann"
+                   required>
 
             <p class="input-label">Passwort:</p>
-            <input type="password" name="password" class="login-input" placeholder="Passwort" required>
-
-            <div class="checkbox-wrapper">
-                <label>
-                    <input type="checkbox" value="remember-me">
-                    angemeldet bleiben
-                </label>
-            </div>
+            <input type="password"
+                   name="password"
+                   class="login-input"
+                   placeholder="Passwort"
+                   required>
 
             <button type="submit"
                     value="register"
diff --git a/data/users.json b/data/users.json
index fc1d1a9..0637a08 100644
--- a/data/users.json
+++ b/data/users.json
@@ -1,7 +1 @@
-[
-  {
-    "email": "test@test.de",
-    "username": "test",
-    "password": "1234"
-  }
-]
\ No newline at end of file
+[]
\ No newline at end of file

From f9ab3f8db2db11cd0cf78ffd3e33233eb752f09b Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 21:53:30 +0200
Subject: [PATCH 08/19] session start entfernt

---
 content/deleteAccount.php | 1 -
 content/login.php         | 1 -
 content/logout.php        | 1 -
 content/register.php      | 1 -
 4 files changed, 4 deletions(-)

diff --git a/content/deleteAccount.php b/content/deleteAccount.php
index f6620bf..513a2a9 100644
--- a/content/deleteAccount.php
+++ b/content/deleteAccount.php
@@ -1,5 +1,4 @@
 <?php
-session_start();
 require_once "includes/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();
diff --git a/content/login.php b/content/login.php
index fcdc0b8..e995725 100644
--- a/content/login.php
+++ b/content/login.php
@@ -1,5 +1,4 @@
 <?php
-session_start();
 require_once "includes/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();
diff --git a/content/logout.php b/content/logout.php
index b4250d3..0fec67e 100644
--- a/content/logout.php
+++ b/content/logout.php
@@ -1,5 +1,4 @@
 <?php
-session_start();
 
 $_SESSION = [];
 session_destroy();
diff --git a/content/register.php b/content/register.php
index 7044f57..3feafe7 100644
--- a/content/register.php
+++ b/content/register.php
@@ -1,5 +1,4 @@
 <?php
-session_start();
 require_once "includes/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();

From 541d5b4c5e98d127322162314dcead62ccc44644 Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 22:21:50 +0200
Subject: [PATCH 09/19] =?UTF-8?q?Weitere=20Review=C3=A4nderungen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/login.php                      | 33 +++-------------
 content/profile.php                    | 20 +++-------
 content/register.php                   | 34 +++--------------
 includes/UserDAOInterface.php          | 52 ++++++++++++++++++++++++++
 php/controller/login-controller.php    | 30 +++++++++++++++
 php/controller/profile-controller.php  | 20 ++++++++++
 php/controller/register-controller.php | 40 ++++++++++++++++++++
 7 files changed, 158 insertions(+), 71 deletions(-)
 create mode 100644 php/controller/login-controller.php
 create mode 100644 php/controller/profile-controller.php
 create mode 100644 php/controller/register-controller.php

diff --git a/content/login.php b/content/login.php
index e995725..24fc19b 100644
--- a/content/login.php
+++ b/content/login.php
@@ -1,32 +1,7 @@
 <?php
-require_once "includes/LocalUserDAO.php";
+include_once 'php/controller/login-controller.php';
 
-$dao = new LocalUserDAO();
-$error = null;
-
-/*
-    Verarbeitung des Login-Formulars
-    Funktion: Prüft Benutzerdaten und erstellt Session für eingeloggten Nutzer
-*/
-if ($_SERVER["REQUEST_METHOD"] === "POST") {
-
-    $email = $_POST["email"];
-    $password = $_POST["password"];
-
-    $user = $dao->findUser($email);
-
-    if ($user && password_verify($password, $user["password"])) {
-
-        $_SESSION["user"] = $user["username"];
-        $_SESSION["user_email"] = $user["email"];
-
-        header("Location: index.php");
-        exit();
-
-    } else {
-        $error = "Login fehlgeschlagen. Bitte überprüfe deine Eingaben.";
-    }
-}
+$error = $error ?? null;
 ?>
 
 <!--
@@ -39,7 +14,9 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         <h1>Bitte anmelden</h1>
 
         <?php if ($error): ?>
-            <p style="color:red;"><?php echo $error; ?></p>
+            <p style="color:red;">
+                <?php echo htmlspecialchars($error); ?>
+            </p>
         <?php endif; ?>
 
         <form method="post" action="index.php?pfad=login">
diff --git a/content/profile.php b/content/profile.php
index 364cfc2..02bcf84 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -1,14 +1,7 @@
 <?php
-require_once "includes/LocalUserDAO.php";
+include_once 'php/controller/profile-controller.php';
 
-$dao = new LocalUserDAO();
-
-if (!isset($_SESSION["user"])) {
-    header("Location: index.php?pfad=login");
-    exit();
-}
-
-$user = $dao->findUser($_SESSION["user_email"]);
+$user = $user ?? null;
 ?>
 
 <!--
@@ -30,7 +23,7 @@ $user = $dao->findUser($_SESSION["user_email"]);
                    class="login-input"
                    required
                    placeholder="Name"
-                   value="<?php echo htmlspecialchars($user["username"]); ?>">
+                   value="<?php echo htmlspecialchars($user["username"] ?? ""); ?>">
 
             <label class="input-label">Email-Adresse</label>
             <input type="email"
@@ -38,15 +31,13 @@ $user = $dao->findUser($_SESSION["user_email"]);
                    class="login-input"
                    required
                    placeholder="mustermann@web.de"
-                   value="<?php echo htmlspecialchars($user["email"]); ?>">
+                   value="<?php echo htmlspecialchars($user["email"] ?? ""); ?>">
 
             <label class="input-label">Passwort</label>
             <input type="password"
                    name="password"
                    class="login-input"
-                   required
-                   placeholder="Passwort"
-                   value="<?php echo htmlspecialchars($user["password"]); ?>">
+                   placeholder="Neues Passwort eingeben">
 
             <br>
 
@@ -69,4 +60,5 @@ $user = $dao->findUser($_SESSION["user_email"]);
         </a>
 
     </div>
+
 </main>
\ No newline at end of file
diff --git a/content/register.php b/content/register.php
index 3feafe7..0c19ebe 100644
--- a/content/register.php
+++ b/content/register.php
@@ -1,33 +1,7 @@
 <?php
-require_once "includes/LocalUserDAO.php";
+include_once 'php/controller/register-controller.php';
 
-$dao = new LocalUserDAO();
-$error = null;
-
-/*
-    Verarbeitung des Registrierungs-Formulars
-    Funktion: Erstellt neuen Benutzer und speichert ihn im DAO + Session
-*/
-if ($_SERVER["REQUEST_METHOD"] === "POST") {
-
-    $email = $_POST["email"];
-    $vorname = $_POST["vorname"];
-    $nachname = $_POST["nachname"];
-    $password = password_hash($_POST["password"], PASSWORD_DEFAULT);
-
-    if ($dao->findUser($email)) {
-        $error = "Diese E-Mail-Adresse ist bereits registriert.";
-    } else {
-
-        $dao->addUser($email, $vorname . " " . $nachname, $password);
-
-        $_SESSION["user"] = $vorname . " " . $nachname;
-        $_SESSION["user_email"] = $email;
-
-        header("Location: index.php");
-        exit();
-    }
-}
+$error = $error ?? null;
 ?>
 
 <!--
@@ -40,7 +14,9 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         <h1>Jetzt Registrieren!</h1>
 
         <?php if ($error): ?>
-            <p style="color:red;"><?php echo $error; ?></p>
+            <p style="color:red;">
+                <?php echo htmlspecialchars($error); ?>
+            </p>
         <?php endif; ?>
 
         <form method="post" action="index.php?pfad=register">
diff --git a/includes/UserDAOInterface.php b/includes/UserDAOInterface.php
index 15468da..38a17ce 100644
--- a/includes/UserDAOInterface.php
+++ b/includes/UserDAOInterface.php
@@ -1,7 +1,59 @@
 <?php
 
+/**
+ * Interface für den Zugriff auf Benutzerdaten.
+ *
+ * Definiert die Methoden, die jede UserDAO-Implementierung
+ * bereitstellen muss.
+ */
 interface UserDAOInterface {
+
+    /**
+     * Sucht einen Benutzer anhand seiner E-Mail-Adresse.
+     *
+     * Funktion:
+     * Liefert die gespeicherten Benutzerdaten zu einer E-Mail-Adresse.
+     *
+     * Eingabe:
+     * @param string $email E-Mail-Adresse des gesuchten Benutzers
+     *
+     * Ausgabe:
+     * @return array|null Benutzerdaten als Array oder null,
+     * falls kein Benutzer gefunden wurde
+     */
     public function findUser($email);
+
+    /**
+     * Fügt einen neuen Benutzer hinzu.
+     *
+     * Funktion:
+     * Erstellt einen neuen Benutzereintrag und speichert ihn
+     * in der jeweiligen Datenquelle.
+     *
+     * Eingabe:
+     * @param string $email E-Mail-Adresse des Benutzers
+     * @param string $username Benutzername des Benutzers
+     * @param string $password Passwort des Benutzers
+     *
+     * Ausgabe:
+     * Keine Rückgabe
+     *
+     * @return void
+     */
     public function addUser($email, $username, $password);
+
+    /**
+     * Löscht einen Benutzer anhand seiner E-Mail-Adresse.
+     *
+     * Funktion:
+     * Entfernt einen vorhandenen Benutzer aus der Datenquelle.
+     *
+     * Eingabe:
+     * @param string $email E-Mail-Adresse des zu löschenden Benutzers
+     *
+     * Ausgabe:
+     * @return bool true, wenn der Benutzer gelöscht wurde,
+     * false, wenn kein passender Benutzer gefunden wurde
+     */
     public function deleteUser($email);
 }
\ No newline at end of file
diff --git a/php/controller/login-controller.php b/php/controller/login-controller.php
new file mode 100644
index 0000000..fd3702a
--- /dev/null
+++ b/php/controller/login-controller.php
@@ -0,0 +1,30 @@
+<?php
+
+require_once "includes/LocalUserDAO.php";
+
+$dao = new LocalUserDAO();
+$error = null;
+
+/*
+    Verarbeitung des Login-Formulars
+    Funktion: Prüft Benutzerdaten und erstellt Session für eingeloggten Nutzer
+*/
+if ($_SERVER["REQUEST_METHOD"] === "POST") {
+
+    $email = $_POST["email"] ?? "";
+    $password = $_POST["password"] ?? "";
+
+    $user = $dao->findUser($email);
+
+    if ($user && password_verify($password, $user["password"])) {
+
+        $_SESSION["user"] = $user["username"];
+        $_SESSION["user_email"] = $user["email"];
+
+        header("Location: index.php");
+        exit();
+
+    } else {
+        $error = "Login fehlgeschlagen. Bitte überprüfe deine Eingaben.";
+    }
+}
diff --git a/php/controller/profile-controller.php b/php/controller/profile-controller.php
new file mode 100644
index 0000000..785c0dc
--- /dev/null
+++ b/php/controller/profile-controller.php
@@ -0,0 +1,20 @@
+<?php
+
+require_once "includes/LocalUserDAO.php";
+
+$dao = new LocalUserDAO();
+
+if (!isset($_SESSION["user"])) {
+    header("Location: index.php?pfad=login");
+    exit();
+}
+
+$user = $dao->findUser($_SESSION["user_email"] ?? "");
+
+if (!$user) {
+    $_SESSION = [];
+    session_destroy();
+
+    header("Location: index.php?pfad=login");
+    exit();
+}
\ No newline at end of file
diff --git a/php/controller/register-controller.php b/php/controller/register-controller.php
new file mode 100644
index 0000000..8045930
--- /dev/null
+++ b/php/controller/register-controller.php
@@ -0,0 +1,40 @@
+<?php
+
+require_once "includes/LocalUserDAO.php";
+
+$dao = new LocalUserDAO();
+$error = null;
+
+/*
+    Verarbeitung des Registrierungs-Formulars
+    Funktion: Erstellt neuen Benutzer und speichert ihn im DAO + Session
+*/
+if ($_SERVER["REQUEST_METHOD"] === "POST") {
+
+    $email = $_POST["email"] ?? "";
+    $vorname = $_POST["vorname"] ?? "";
+    $nachname = $_POST["nachname"] ?? "";
+    $password = password_hash(
+        $_POST["password"] ?? "",
+        PASSWORD_DEFAULT
+    );
+
+    if ($dao->findUser($email)) {
+
+        $error = "Diese E-Mail-Adresse ist bereits registriert.";
+
+    } else {
+
+        $dao->addUser(
+            $email,
+            $vorname . " " . $nachname,
+            $password
+        );
+
+        $_SESSION["user"] = $vorname . " " . $nachname;
+        $_SESSION["user_email"] = $email;
+
+        header("Location: index.php");
+        exit();
+    }
+}

From c82378baa8d957754559aaadd7b69b7f8874935c Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 22:26:39 +0200
Subject: [PATCH 10/19] =?UTF-8?q?Weitere=20Review=C3=A4nderungen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/login.php | 72 +++++++++++++++++++++++++++--------------------
 1 file changed, 42 insertions(+), 30 deletions(-)

diff --git a/content/login.php b/content/login.php
index 24fc19b..d0dcff9 100644
--- a/content/login.php
+++ b/content/login.php
@@ -1,55 +1,67 @@
 <?php
-include_once 'php/controller/login-controller.php';
+include_once 'php/controller/profile-controller.php';
 
-$error = $error ?? null;
+$user = $user ?? null;
 ?>
 
 <!--
-    Form: Login-Bereich
-    Funktion: Benutzerauthentifizierung und Zugang zum eigenen Profil, Erstellen von Beiträgen, etc.
+    Content: Profil
+    Inhalt: Das eigene Profil, wenn man angemeldet ist.
+    Dort hat man die Möglichkeit seine Angaben zu sehen
+    und später zu bearbeiten.
 -->
-<main class="login-page">
-    <div class="login-container">
 
-        <h1>Bitte anmelden</h1>
+<main class="form-page">
 
-        <?php if ($error): ?>
-            <p style="color:red;">
-                <?php echo htmlspecialchars($error); ?>
-            </p>
-        <?php endif; ?>
+    <div class="form-container">
 
-        <form method="post" action="index.php?pfad=login">
+        <h1>Mein Profil</h1>
 
-            <p class="input-label">Benutzername/E-Mail-Adresse:</p>
+        <form method="post" action="index.php?pfad=profile">
+
+            <label class="input-label">Name</label>
+            <input type="text"
+                   name="username"
+                   class="login-input"
+                   required
+                   placeholder="Name"
+                   value="<?php echo htmlspecialchars($user["username"] ?? ""); ?>">
+
+            <label class="input-label">Email-Adresse</label>
             <input type="email"
                    name="email"
                    class="login-input"
-                   placeholder="E-Mail-Adresse"
                    required
-                   autofocus>
+                   placeholder="mustermann@web.de"
+                   value="<?php echo htmlspecialchars($user["email"] ?? ""); ?>">
 
-            <p class="input-label">Passwort:</p>
+            <label class="input-label">Passwort</label>
             <input type="password"
                    name="password"
                    class="login-input"
-                   placeholder="Passwort"
-                   required>
+                   value="12345678"
+                   readonly>
 
-            <button type="submit"
-                    value="anmelden"
-                    name="loginSubmit"
-                    class="login-button">
-                anmelden
+            <br>
+
+            <button type="submit" class="login-button">
+                Speichern
             </button>
 
-            <div class="register-link">
-                <a href="index.php?pfad=register">
-                    Noch keinen Account? Jetzt hier registrieren!
-                </a>
-            </div>
-
         </form>
 
+        <br>
+
+        <a href="index.php?pfad=deleteAccount" class="login-button">
+            Account löschen
+        </a>
+
+        <br><br>
+
+        <a href="index.php?pfad=logout" class="login-button">
+            Abmelden
+        </a>
+
     </div>
+
 </main>
\ No newline at end of file

From 55e9fa6a209da5776f5eeda141f3fa095ea57ac5 Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 22:34:11 +0200
Subject: [PATCH 11/19] =?UTF-8?q?Weitere=20Review=C3=A4nderungen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/profile.php           | 20 +++++++-------------
 includes/UserDAOInterface.php | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+), 13 deletions(-)

diff --git a/content/profile.php b/content/profile.php
index 02bcf84..3415656 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -6,7 +6,8 @@ $user = $user ?? null;
 
 <!--
     Content: Profil
-    Inhalt: Das eigene Profil, wenn man angemeldet ist. Dort hat man die Möglichkeit seine Angaben zu ändern.
+    Inhalt: Das eigene Profil, wenn man angemeldet ist.
+    Dort werden die aktuellen Profildaten angezeigt.
 -->
 
 <main class="form-page">
@@ -15,35 +16,28 @@ $user = $user ?? null;
 
         <h1>Mein Profil</h1>
 
-        <form method="post" action="index.php?pfad=profile">
+        <form>
 
             <label class="input-label">Name</label>
             <input type="text"
                    name="username"
                    class="login-input"
-                   required
-                   placeholder="Name"
+                   readonly
                    value="<?php echo htmlspecialchars($user["username"] ?? ""); ?>">
 
             <label class="input-label">Email-Adresse</label>
             <input type="email"
                    name="email"
                    class="login-input"
-                   required
-                   placeholder="mustermann@web.de"
+                   readonly
                    value="<?php echo htmlspecialchars($user["email"] ?? ""); ?>">
 
             <label class="input-label">Passwort</label>
             <input type="password"
                    name="password"
                    class="login-input"
-                   placeholder="Neues Passwort eingeben">
-
-            <br>
-
-            <button type="submit" class="login-button">
-                Speichern
-            </button>
+                   readonly
+                   value="********">
 
         </form>
 
diff --git a/includes/UserDAOInterface.php b/includes/UserDAOInterface.php
index 38a17ce..48eb4f5 100644
--- a/includes/UserDAOInterface.php
+++ b/includes/UserDAOInterface.php
@@ -56,4 +56,23 @@ interface UserDAOInterface {
      * false, wenn kein passender Benutzer gefunden wurde
      */
     public function deleteUser($email);
+
+    /**
+     * Aktualisiert die Daten eines vorhandenen Benutzers.
+     *
+     * Funktion:
+     * Ändert die gespeicherte E-Mail-Adresse, den Benutzernamen
+     * und optional das Passwort eines vorhandenen Benutzers.
+     *
+     * Eingabe:
+     * @param string $oldEmail Aktuelle E-Mail-Adresse des Benutzers
+     * @param string $newEmail Neue E-Mail-Adresse des Benutzers
+     * @param string $username Neuer Benutzername des Benutzers
+     * @param string $password Neues Passwort des Benutzers
+     *
+     * Ausgabe:
+     * @return bool true, wenn die Aktualisierung erfolgreich war,
+     * false, wenn kein passender Benutzer gefunden wurde
+     */
+    public function updateUser($oldEmail, $newEmail, $username, $password);
 }
\ No newline at end of file

From 02551049e072508a477fc3f1615d891f199bed20 Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 22:38:29 +0200
Subject: [PATCH 12/19] =?UTF-8?q?Weitere=20Review=C3=A4nderungen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/profile.php           | 13 ----------
 includes/UserDAOInterface.php | 46 ++---------------------------------
 2 files changed, 2 insertions(+), 57 deletions(-)

diff --git a/content/profile.php b/content/profile.php
index 3415656..1d9b970 100644
--- a/content/profile.php
+++ b/content/profile.php
@@ -4,41 +4,29 @@ include_once 'php/controller/profile-controller.php';
 $user = $user ?? null;
 ?>
 
-<!--
-    Content: Profil
-    Inhalt: Das eigene Profil, wenn man angemeldet ist.
-    Dort werden die aktuellen Profildaten angezeigt.
--->
-
 <main class="form-page">
-
     <div class="form-container">
 
         <h1>Mein Profil</h1>
 
         <form>
-
             <label class="input-label">Name</label>
             <input type="text"
-                   name="username"
                    class="login-input"
                    readonly
                    value="<?php echo htmlspecialchars($user["username"] ?? ""); ?>">
 
             <label class="input-label">Email-Adresse</label>
             <input type="email"
-                   name="email"
                    class="login-input"
                    readonly
                    value="<?php echo htmlspecialchars($user["email"] ?? ""); ?>">
 
             <label class="input-label">Passwort</label>
             <input type="password"
-                   name="password"
                    class="login-input"
                    readonly
                    value="********">
-
         </form>
 
         <br>
@@ -54,5 +42,4 @@ $user = $user ?? null;
         </a>
 
     </div>
-
 </main>
\ No newline at end of file
diff --git a/includes/UserDAOInterface.php b/includes/UserDAOInterface.php
index 48eb4f5..721b887 100644
--- a/includes/UserDAOInterface.php
+++ b/includes/UserDAOInterface.php
@@ -11,33 +11,17 @@ interface UserDAOInterface {
     /**
      * Sucht einen Benutzer anhand seiner E-Mail-Adresse.
      *
-     * Funktion:
-     * Liefert die gespeicherten Benutzerdaten zu einer E-Mail-Adresse.
-     *
-     * Eingabe:
      * @param string $email E-Mail-Adresse des gesuchten Benutzers
-     *
-     * Ausgabe:
-     * @return array|null Benutzerdaten als Array oder null,
-     * falls kein Benutzer gefunden wurde
+     * @return array|null Benutzerdaten als Array oder null
      */
     public function findUser($email);
 
     /**
      * Fügt einen neuen Benutzer hinzu.
      *
-     * Funktion:
-     * Erstellt einen neuen Benutzereintrag und speichert ihn
-     * in der jeweiligen Datenquelle.
-     *
-     * Eingabe:
      * @param string $email E-Mail-Adresse des Benutzers
      * @param string $username Benutzername des Benutzers
      * @param string $password Passwort des Benutzers
-     *
-     * Ausgabe:
-     * Keine Rückgabe
-     *
      * @return void
      */
     public function addUser($email, $username, $password);
@@ -45,34 +29,8 @@ interface UserDAOInterface {
     /**
      * Löscht einen Benutzer anhand seiner E-Mail-Adresse.
      *
-     * Funktion:
-     * Entfernt einen vorhandenen Benutzer aus der Datenquelle.
-     *
-     * Eingabe:
      * @param string $email E-Mail-Adresse des zu löschenden Benutzers
-     *
-     * Ausgabe:
-     * @return bool true, wenn der Benutzer gelöscht wurde,
-     * false, wenn kein passender Benutzer gefunden wurde
+     * @return bool true, wenn der Benutzer gelöscht wurde, sonst false
      */
     public function deleteUser($email);
-
-    /**
-     * Aktualisiert die Daten eines vorhandenen Benutzers.
-     *
-     * Funktion:
-     * Ändert die gespeicherte E-Mail-Adresse, den Benutzernamen
-     * und optional das Passwort eines vorhandenen Benutzers.
-     *
-     * Eingabe:
-     * @param string $oldEmail Aktuelle E-Mail-Adresse des Benutzers
-     * @param string $newEmail Neue E-Mail-Adresse des Benutzers
-     * @param string $username Neuer Benutzername des Benutzers
-     * @param string $password Neues Passwort des Benutzers
-     *
-     * Ausgabe:
-     * @return bool true, wenn die Aktualisierung erfolgreich war,
-     * false, wenn kein passender Benutzer gefunden wurde
-     */
-    public function updateUser($oldEmail, $newEmail, $username, $password);
 }
\ No newline at end of file

From 2ce13cef72fdf273c135c4f86c181e2214213fcd Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 22:42:16 +0200
Subject: [PATCH 13/19] =?UTF-8?q?Weitere=20Review=C3=A4nderungen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/login.php | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/content/login.php b/content/login.php
index d0dcff9..a404449 100644
--- a/content/login.php
+++ b/content/login.php
@@ -7,8 +7,7 @@ $user = $user ?? null;
 <!--
     Content: Profil
     Inhalt: Das eigene Profil, wenn man angemeldet ist.
-    Dort hat man die Möglichkeit seine Angaben zu sehen
-    und später zu bearbeiten.
+    Dort werden die aktuellen Profildaten angezeigt.
 -->
 
 <main class="form-page">
@@ -17,36 +16,25 @@ $user = $user ?? null;
 
         <h1>Mein Profil</h1>
 
-        <form method="post" action="index.php?pfad=profile">
+        <form>
 
             <label class="input-label">Name</label>
             <input type="text"
-                   name="username"
                    class="login-input"
-                   required
-                   placeholder="Name"
+                   readonly
                    value="<?php echo htmlspecialchars($user["username"] ?? ""); ?>">
 
             <label class="input-label">Email-Adresse</label>
             <input type="email"
-                   name="email"
                    class="login-input"
-                   required
-                   placeholder="mustermann@web.de"
+                   readonly
                    value="<?php echo htmlspecialchars($user["email"] ?? ""); ?>">
 
             <label class="input-label">Passwort</label>
             <input type="password"
-                   name="password"
                    class="login-input"
-                   value="12345678"
-                   readonly>
-
-            <br>
-
-            <button type="submit" class="login-button">
-                Speichern
-            </button>
+                   readonly
+                   value="********">
 
         </form>
 

From 5db4ad3e6381a417e3aee5ad158ff187c19f885c Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 22:49:13 +0200
Subject: [PATCH 14/19] =?UTF-8?q?Weitere=20Review=C3=A4nderungen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/logout.php |  3 +-
 index.php          | 77 +++++++++++++++++++++++++++++-----------------
 2 files changed, 49 insertions(+), 31 deletions(-)

diff --git a/content/logout.php b/content/logout.php
index 0fec67e..49386ab 100644
--- a/content/logout.php
+++ b/content/logout.php
@@ -1,7 +1,6 @@
 <?php
-
 $_SESSION = [];
 session_destroy();
 
-header("Location: index.php?pfad=login");
+header("Location: index.php");
 exit();
\ No newline at end of file
diff --git a/index.php b/index.php
index 0890d10..bd09c25 100644
--- a/index.php
+++ b/index.php
@@ -1,46 +1,65 @@
 <?php
 session_start();
 ob_start();
+
+$pfad = $_GET["pfad"] ?? "home";
+
+/*
+    Aktionen wie Logout oder Account löschen müssen vor der HTML-Ausgabe
+    verarbeitet werden, damit Weiterleitungen mit header() funktionieren.
+*/
+if ($pfad === "logout") {
+    include_once "content/logout.php";
+    exit();
+}
+
+if ($pfad === "deleteAccount") {
+    include_once "content/deleteAccount.php";
+    exit();
+}
 ?>
-<!--
-    Seite: Index der Lernplattform
-    Funktion: Webseitengerüst, Anzeigen von Content
--->
-<!DOCTYPE html>
-<html lang="de">
 
-<head>
-    <meta charset="utf-8">
-    <meta name="description" content="EduForge">
-    <meta name="author" content="Niklas Ortmann">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <link rel="icon" type="image/x-icon" href="images/logos/logo_icon.ico">
-    <link rel="stylesheet" href="css/main.css">
-    <link rel="stylesheet" href="css/navbar.css">
-    <link rel="stylesheet" href="css/footer.css">
-    <title>EduForge</title>
-</head>
+    <!--
+        Seite: Index der Lernplattform
+        Funktion: Webseitengerüst, Anzeigen von Content
+    -->
+    <!DOCTYPE html>
+    <html lang="de">
 
+    <head>
+        <meta charset="utf-8">
+        <meta name="description" content="EduForge">
+        <meta name="author" content="Niklas Ortmann">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <link rel="icon" type="image/x-icon" href="images/logos/logo_icon.ico">
+        <link rel="stylesheet" href="css/main.css">
+        <link rel="stylesheet" href="css/navbar.css">
+        <link rel="stylesheet" href="css/footer.css">
+        <title>EduForge</title>
+    </head>
 
-<body>
+    <body>
 
     <?php
-	include_once 'includes/navbar.php';
-	//Dynamischer Inhalt:
-    if (isset($_GET["pfad"])) {
-        if (file_exists('content/' . $_GET["pfad"] . '.php')) {
-            include_once 'content/' . $_GET["pfad"] . '.php';
-        } else {
-            include_once 'content/404.php';
-        }
+    include_once 'includes/navbar.php';
+
+    /*
+        Dynamischer Inhalt:
+        Je nach pfad-Parameter wird die passende Datei aus content geladen.
+    */
+    if (file_exists('content/' . $pfad . '.php')) {
+        include_once 'content/' . $pfad . '.php';
     } else {
-        include_once 'content/home.php';
+        include_once 'content/404.php';
     }
+
     include_once 'includes/footer.php';
     ?>
-</body>
 
-</html>
+    </body>
+
+    </html>
+
 <?php
 ob_end_flush();
 ?>
\ No newline at end of file

From 21bdb0d66dd7bcbd2913a2ec4dd33a43b3a326ff Mon Sep 17 00:00:00 2001
From: Caroline Schulte <Caroline.schulte@uni-oldenburg.de>
Date: Sun, 31 May 2026 22:53:58 +0200
Subject: [PATCH 15/19] =?UTF-8?q?Weitere=20Review=C3=A4nderungen?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/deleteAccount.php |  2 +-
 content/login.php         | 70 +++++++++++++++++++--------------------
 index.php                 | 13 ++++++--
 3 files changed, 45 insertions(+), 40 deletions(-)

diff --git a/content/deleteAccount.php b/content/deleteAccount.php
index 513a2a9..431f9b7 100644
--- a/content/deleteAccount.php
+++ b/content/deleteAccount.php
@@ -15,5 +15,5 @@ if (isset($_SESSION["user_email"])) {
 $_SESSION = [];
 session_destroy();
 
-header("Location: index.php?pfad=register");
+header("Location: index.php");
 exit();
\ No newline at end of file
diff --git a/content/login.php b/content/login.php
index a404449..8ca3bfe 100644
--- a/content/login.php
+++ b/content/login.php
@@ -1,55 +1,53 @@
 <?php
-include_once 'php/controller/profile-controller.php';
-
-$user = $user ?? null;
+$error = $error ?? null;
 ?>
 
 <!--
-    Content: Profil
-    Inhalt: Das eigene Profil, wenn man angemeldet ist.
-    Dort werden die aktuellen Profildaten angezeigt.
+    Form: Login-Bereich
+    Funktion: Benutzerauthentifizierung und Zugang zum eigenen Profil, Erstellen von Beiträgen, etc.
 -->
+<main class="login-page">
+    <div class="login-container">
 
-<main class="form-page">
+        <h1>Bitte anmelden</h1>
 
-    <div class="form-container">
+        <?php if ($error): ?>
+            <p style="color:red;">
+                <?php echo htmlspecialchars($error); ?>
+            </p>
+        <?php endif; ?>
 
-        <h1>Mein Profil</h1>
+        <form method="post" action="index.php?pfad=login">
 
-        <form>
-
-            <label class="input-label">Name</label>
-            <input type="text"
-                   class="login-input"
-                   readonly
-                   value="<?php echo htmlspecialchars($user["username"] ?? ""); ?>">
-
-            <label class="input-label">Email-Adresse</label>
+            <p class="input-label">Benutzername/E-Mail-Adresse:</p>
             <input type="email"
+                   name="email"
                    class="login-input"
-                   readonly
-                   value="<?php echo htmlspecialchars($user["email"] ?? ""); ?>">
+                   placeholder="E-Mail-Adresse"
+                   required
+                   autofocus>
 
-            <label class="input-label">Passwort</label>
+            <p class="input-label">Passwort:</p>
             <input type="password"
+                   name="password"
                    class="login-input"
-                   readonly
-                   value="********">
+                   placeholder="Passwort"
+                   required>
+
+            <button type="submit"
+                    value="anmelden"
+                    name="loginSubmit"
+                    class="login-button">
+                anmelden
+            </button>
+
+            <div class="register-link">
+                <a href="index.php?pfad=register">
+                    Noch keinen Account? Jetzt hier registrieren!
+                </a>
+            </div>
 
         </form>
 
-        <br>
-
-        <a href="index.php?pfad=deleteAccount" class="login-button">
-            Account löschen
-        </a>
-
-        <br><br>
-
-        <a href="index.php?pfad=logout" class="login-button">
-            Abmelden
-        </a>
-
     </div>
-
 </main>
\ No newline at end of file
diff --git a/index.php b/index.php
index bd09c25..c0c1394 100644
--- a/index.php
+++ b/index.php
@@ -5,9 +5,17 @@ ob_start();
 $pfad = $_GET["pfad"] ?? "home";
 
 /*
-    Aktionen wie Logout oder Account löschen müssen vor der HTML-Ausgabe
-    verarbeitet werden, damit Weiterleitungen mit header() funktionieren.
+    Controller für Aktionen werden vor der HTML-Ausgabe geladen,
+    damit Weiterleitungen mit header() funktionieren.
 */
+if ($pfad === "login") {
+    include_once "php/controller/login-controller.php";
+}
+
+if ($pfad === "register") {
+    include_once "php/controller/register-controller.php";
+}
+
 if ($pfad === "logout") {
     include_once "content/logout.php";
     exit();
@@ -57,7 +65,6 @@ if ($pfad === "deleteAccount") {
     ?>
 
     </body>
-
     </html>
 
 <?php

From a329137de2c5ad19cdcc1a8bf13174fdf015f336 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <ortmann.niklas@yahoo.de>
Date: Mon, 1 Jun 2026 22:48:39 +0200
Subject: [PATCH 16/19] refactoring

---
 {includes => php/model}/LocalUserDAO.php     | 0
 {includes => php/model}/UserDAOInterface.php | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename {includes => php/model}/LocalUserDAO.php (100%)
 rename {includes => php/model}/UserDAOInterface.php (100%)

diff --git a/includes/LocalUserDAO.php b/php/model/LocalUserDAO.php
similarity index 100%
rename from includes/LocalUserDAO.php
rename to php/model/LocalUserDAO.php
diff --git a/includes/UserDAOInterface.php b/php/model/UserDAOInterface.php
similarity index 100%
rename from includes/UserDAOInterface.php
rename to php/model/UserDAOInterface.php

From 9fce9ec8dd99335b4cacfa52992000c61e10c12b Mon Sep 17 00:00:00 2001
From: NOrtmann1 <ortmann.niklas@yahoo.de>
Date: Mon, 1 Jun 2026 22:51:46 +0200
Subject: [PATCH 17/19] refactoring

---
 php/controller/login-controller.php    | 2 +-
 php/controller/profile-controller.php  | 2 +-
 php/controller/register-controller.php | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/php/controller/login-controller.php b/php/controller/login-controller.php
index fd3702a..642b39a 100644
--- a/php/controller/login-controller.php
+++ b/php/controller/login-controller.php
@@ -1,6 +1,6 @@
 <?php
 
-require_once "includes/LocalUserDAO.php";
+require_once "php/model/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();
 $error = null;
diff --git a/php/controller/profile-controller.php b/php/controller/profile-controller.php
index 785c0dc..c731942 100644
--- a/php/controller/profile-controller.php
+++ b/php/controller/profile-controller.php
@@ -1,6 +1,6 @@
 <?php
 
-require_once "includes/LocalUserDAO.php";
+require_once "php/model/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();
 
diff --git a/php/controller/register-controller.php b/php/controller/register-controller.php
index 8045930..d813d06 100644
--- a/php/controller/register-controller.php
+++ b/php/controller/register-controller.php
@@ -1,6 +1,6 @@
 <?php
 
-require_once "includes/LocalUserDAO.php";
+require_once "php/model/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();
 $error = null;

From ad422a134dbfa8cf747aba332dbd7c215c3d08e4 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <ortmann.niklas@yahoo.de>
Date: Mon, 1 Jun 2026 22:52:42 +0200
Subject: [PATCH 18/19] refactoring

---
 content/deleteAccount.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/deleteAccount.php b/content/deleteAccount.php
index 431f9b7..5420d07 100644
--- a/content/deleteAccount.php
+++ b/content/deleteAccount.php
@@ -1,5 +1,5 @@
 <?php
-require_once "includes/LocalUserDAO.php";
+require_once "php/modelLocalUserDAO.php";
 
 $dao = new LocalUserDAO();
 

From c62ff5b2c0c32c6cc74eb88066fd73be7ff99195 Mon Sep 17 00:00:00 2001
From: NOrtmann1 <ortmann.niklas@yahoo.de>
Date: Mon, 1 Jun 2026 22:53:28 +0200
Subject: [PATCH 19/19] refactoring

---
 content/deleteAccount.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/deleteAccount.php b/content/deleteAccount.php
index 5420d07..0bb31e1 100644
--- a/content/deleteAccount.php
+++ b/content/deleteAccount.php
@@ -1,5 +1,5 @@
 <?php
-require_once "php/modelLocalUserDAO.php";
+require_once "php/model/LocalUserDAO.php";
 
 $dao = new LocalUserDAO();