adjust admin page

client/admin.html

@@ -21,6 +21,12 @@
 
 <!-- Hauptbereich für Benutzerliste -->
 <main>
+    <div id="custom-alert-confirm" style="display:none;" class="alert-box">
+        <p id="alert-message-confirm"></p>
+        <button id="close-alert-confirm">Close</button>
+        <button id="confirm-alert-confirm" style="display:none;">Confirm</button>
+    </div>
+
     <div id="user-list" class="user-list"></div>
 </main>
 <script type="module" src="js/shared_functions.js"></script>

client/css/styles.css

@@ -372,8 +372,6 @@ main {
     background-color: #27ae60;
 }
 
-
-/* General alert styling */
 /* General alert styling */
 .custom-alert {
     display: none; /* Hide by default */
@@ -428,6 +426,74 @@ main {
     color: white;
 }
 
+
+
+
+/* General alert box styling */
+#custom-alert-confirm {
+    display: none;
+    position: fixed;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    background-color: #fff;
+    border-radius: 10px;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+    padding: 20px;
+    width: 300px;
+    z-index: 1000;
+    text-align: center;
+}
+
+/* Styling the alert message */
+#alert-message-confirm {
+    margin-bottom: 15px;
+    font-size: 16px;
+    color: #333;
+}
+
+/* Styling for the buttons container */
+#custom-alert-confirm button {
+    font-size: 14px;
+    padding: 10px 20px;
+    border: none;
+    border-radius: 5px;
+    margin: 10px 5px;
+    cursor: pointer;
+    transition: background-color 0.3s ease;
+}
+
+/* Confirm button */
+#confirm-alert-confirm {
+    background-color: #4CAF50; /* Green button for confirm */
+    color: white;
+}
+
+/* Close button */
+#close-alert-confirm {
+    background-color: #f44336; /* Red button for cancel */
+    color: white;
+}
+
+/* On hover, change background color for buttons */
+#confirm-alert-confirm:hover {
+    background-color: #45a049;
+}
+
+#close-alert-confirm:hover {
+    background-color: #e53935;
+}
+
+/* Additional success and error styling based on alert type */
+#custom-alert-confirm.success {
+    border-left: 5px solid #4CAF50; /* Green left border for success */
+}
+
+#custom-alert-confirm.error {
+    border-left: 5px solid #f44336; /* Red left border for error */
+}
+
+
 /* Button common styles */
 .close-btn {
     border: none;

client/js/main.js

@@ -1,4 +1,4 @@
-import { showAlert } from './shared_functions.js';
+import {showAlert, showConfirm} from './shared_functions.js';
 
 // IP-Adresse
 const baseUrl = 'http://localhost:8015';
@@ -92,42 +92,17 @@ async function loadAdminData() {
     }
 }
 
-async function loadUserList() {
-    const token = localStorage.getItem('token');
-    const response = await fetch(`${baseUrl}/api/auth/users`, {
-        headers: { 'Authorization': `Bearer ${token}` }
-    });
-
-    if (response.ok) {
-        const users = await response.json();
-        const userList = document.getElementById('user-list');
-        userList.innerHTML = ''; // Liste leeren
-
-        users.forEach(user => {
-            const userDiv = document.createElement('div');
-            userDiv.style.display = 'flex';
-            userDiv.style.alignItems = 'center';
-            userDiv.setAttribute('id', `user-list-element`);
-            userDiv.innerHTML = `
-    <p style="flex: 0 0 25%;">Benutzername: ${user.username}</p>
-    <p style="flex: 0 0 25%;">Email: ${user.email}</p>
-    <button id="button-delete" onclick="deleteUser('${user._id}')" style="flex: 0 0 50%;">Benutzer löschen</button>
-`;
-            userList.appendChild(userDiv);
-        });
-    } else {
-        showAlert('Fehler beim Laden der Benutzerliste');
-    }
-}
-
-// Überprüfen, ob wir uns auf der Admin-Seite befinden, und dann den Event-Listener hinzufügen
-const loadUserListBtn = document.getElementById('loadUserListBtn');
-if (loadUserListBtn) {
-    loadUserListBtn.addEventListener('click', loadUserList); // Benutzerliste laden, wenn der Button geklickt wird
-}
-
 // Funktion zum Löschen eines Benutzers
-async function deleteUser(userId) {
+async function deleteUser(userId, isAdmin) {
+
+    // If the user is an admin, show a warning confirmation
+    if (isAdmin) {
+        const userConfirmed = await showConfirm('Warnung: Möchten Sie wirklich einen Administrator löschen? Dies kann nicht rückgängig gemacht werden.', 'error');
+        if (!userConfirmed) {
+            return; // If the user cancels, do nothing
+        }
+    }
+
     const token = localStorage.getItem('token');
     try {
         const response = await fetch(`${baseUrl}/api/auth/user/${userId}`, {
@@ -145,6 +120,49 @@ async function deleteUser(userId) {
     }
 }
 
+async function loadUserList() {
+    const token = localStorage.getItem('token');
+    const response = await fetch(`${baseUrl}/api/auth/users`, {
+        headers: { 'Authorization': `Bearer ${token}` }
+    });
+
+    if (response.ok) {
+        const users = await response.json();
+        const userList = document.getElementById('user-list');
+        userList.innerHTML = ''; // Liste leeren
+
+        users.forEach(user => {
+            const userDiv = document.createElement('div');
+            userDiv.style.display = 'flex';
+            userDiv.style.alignItems = 'center';
+            userDiv.setAttribute('id', `user-list-element-${user._id}`); // Give each div a unique ID
+            userDiv.innerHTML = `
+                <p style="flex: 0 0 25%;">Benutzername: ${user.username}</p>
+                <p style="flex: 0 0 25%;">Email: ${user.email}</p>
+                <p style="flex: 0 0 20%;">Admin: ${user.isAdmin}</p>
+                <button class="button-delete" style="flex: 0 0 30%;">Benutzer löschen</button>
+            `;
+            userList.appendChild(userDiv);
+
+            // Add event listener to the specific delete button
+            const deleteButton = userDiv.querySelector(".button-delete");
+            deleteButton.addEventListener("click", function() {
+                deleteUser(user._id, user.isAdmin);
+            });
+        });
+    } else {
+        showAlert('Fehler beim Laden der Benutzerliste');
+    }
+}
+
+// Überprüfen, ob wir uns auf der Admin-Seite befinden, und dann den Event-Listener hinzufügen
+const loadUserListBtn = document.getElementById('loadUserListBtn');
+if (loadUserListBtn) {
+    loadUserListBtn.addEventListener('click', loadUserList); // Benutzerliste laden, wenn der Button geklickt wird
+}
+
+
+
 // Abhängig von der Seite entweder Admin- oder Benutzerdaten laden
 if (window.location.pathname.includes('admin.html')) {
     // Funktion um auf die Willkommensseite zurückzukommen

client/js/shared_functions.js

@@ -16,4 +16,36 @@ export function showAlert(message, type = 'error') {
     closeButton.addEventListener('click', () => {
         alertBox.style.display = 'none';  // Hide the alert box when the button is clicked
     });
+}
+
+export function showConfirm(message, type = 'error') {
+    return new Promise((resolve) => {
+        const alertBox = document.getElementById('custom-alert-confirm');
+        const alertMessage = document.getElementById('alert-message-confirm');
+        const closeButton = document.getElementById('close-alert-confirm');
+        const confirmButton = document.getElementById('confirm-alert-confirm');
+
+        alertMessage.textContent = message;  // Set the message to display
+        alertBox.style.display = 'block';    // Show the alert box
+
+        // Reset previous styles
+        alertBox.classList.remove('success', 'error');
+        alertBox.classList.add(type);  // Add the appropriate class (success/error)
+
+        // Display the confirm button
+        confirmButton.style.display = 'inline-block';
+        closeButton.style.display = 'inline-block';
+
+        // When "Confirm" button is clicked
+        confirmButton.addEventListener('click', () => {
+            alertBox.style.display = 'none';  // Hide the alert box
+            resolve(true);  // Resolve the promise as true (user confirmed)
+        });
+
+        // When "Close" button is clicked
+        closeButton.addEventListener('click', () => {
+            alertBox.style.display = 'none';  // Hide the alert box
+            resolve(false);  // Resolve the promise as false (user canceled)
+        });
+    });
 }

server/controllers/authController.js

@@ -54,7 +54,7 @@ const login = async (req, res) => {
         }
 
         // JWT-Token erstellen mit benutzerdefinierten Daten
-        const token = jwt.sign({ id: user._id, username: user.username, docAccess: user.docAccess, isAdmin: user.isAdmin }, process.env.JWT_SECRET, { expiresIn: '1h' });
+        const token = jwt.sign({ id: user._id, username: user.username, isAdmin: user.isAdmin }, process.env.JWT_SECRET, { expiresIn: '1h' });
 
 
         res.status(200).json({ token, message: 'Login erfolgreich' });

server/routes/authRoutes.js

@@ -17,7 +17,6 @@ router.get('/me', authMiddleware, (req, res) => {
     res.status(200).json({
         id: req.user.id,
         user: req.user.username,
-        docAccess: req.user.docAccess,
         isAdmin: req.user.isAdmin,
         message: 'Benutzerinformationen abgerufen',
     });
@@ -31,8 +30,8 @@ router.get('/admin', authMiddleware, adminMiddleware, (req, res) => {
 // Admin-Route, die eine Liste aller Benutzer zurückgibt
 router.get('/users', authMiddleware, adminMiddleware, async (req, res) => {
     try {
-        // Suche alle Benutzer und gib nur die Felder 'username', 'email' und 'docAccess' zurück
+        // Suche alle Benutzer und gib nur die Felder 'username', 'email' und 'isAdmin' zurück
-        const users = await User.find({}, 'username email docAccess');
+        const users = await User.find({}, 'username email isAdmin');
         res.status(200).json(users);
     } catch (error) {
         console.error(error);
@@ -40,29 +39,6 @@ router.get('/users', authMiddleware, adminMiddleware, async (req, res) => {
     }
 });
 
-router.put('/user/:id/docAccess', authMiddleware, adminMiddleware, async (req, res) => {
-    const { id } = req.params;
-    const { docAccess } = req.body;
-
-    // Sicherheitsvalidierung: docAccess-Wert muss zwischen 0 und 4 liegen
-    if (![0, 1, 2, 3, 4].includes(docAccess)) {
-        return res.status(400).json({ message: 'Ungültiger docAccess-Wert' });
-    }
-
-    try {
-        const user = await User.findByIdAndUpdate(
-            id,
-            { docAccess },
-            { new: true, fields: 'username email docAccess' } // nur ausgewählte Felder zurückgeben
-        );
-        if (!user) return res.status(404).json({ message: 'Benutzer nicht gefunden' });
-        res.status(200).json(user);
-    } catch (error) {
-        console.error(error);
-        res.status(500).json({ message: 'Fehler beim Aktualisieren von docAccess' });
-    }
-});
-
 router.delete('/user/:id', authMiddleware, adminMiddleware, async (req, res) => {
     const { id } = req.params;