"feat: Refactor UI update for my_my_account_account template"

app.py

@@ -733,7 +733,94 @@ def delete_mindmap(mindmap_id):
     flash('Mindmap erfolgreich gelöscht!', 'success')
     return redirect(url_for('profile'))
 
-# API-Endpunkte für Mindmap-Daten
+# API-Endpunkte für UserMindmap CRUD-Operationen
+@app.route('/api/mindmaps', methods=['POST'])
+@login_required
+def api_create_user_mindmap():
+    data = request.get_json()
+    name = data.get('name')
+    description = data.get('description')
+    is_private = data.get('is_private', True)
+
+    if not name:
+        return jsonify({'error': 'Name ist erforderlich'}), 400
+
+    new_mindmap = UserMindmap(
+        name=name,
+        description=description,
+        user_id=current_user.id,
+        is_private=is_private
+    )
+    db.session.add(new_mindmap)
+    db.session.commit()
+    return jsonify({
+        'id': new_mindmap.id,
+        'name': new_mindmap.name,
+        'description': new_mindmap.description,
+        'is_private': new_mindmap.is_private,
+        'user_id': new_mindmap.user_id,
+        'created_at': new_mindmap.created_at.isoformat(),
+        'last_modified': new_mindmap.last_modified.isoformat()
+    }), 201
+
+@app.route('/api/mindmaps', methods=['GET'])
+@login_required
+def api_get_user_mindmaps():
+    mindmaps = UserMindmap.query.filter_by(user_id=current_user.id).all()
+    return jsonify([{
+        'id': m.id,
+        'name': m.name,
+        'description': m.description,
+        'is_private': m.is_private,
+        'created_at': m.created_at.isoformat(),
+        'last_modified': m.last_modified.isoformat()
+    } for m in mindmaps])
+
+@app.route('/api/mindmaps/<int:mindmap_id>', methods=['GET'])
+@login_required
+def api_get_user_mindmap_detail(mindmap_id):
+    mindmap = UserMindmap.query.filter_by(id=mindmap_id, user_id=current_user.id).first_or_404()
+    # Bestehende Logik von get_user_mindmap kann hier wiederverwendet oder angepasst werden
+    # Für eine einfache Detailansicht:
+    return jsonify({
+        'id': mindmap.id,
+        'name': mindmap.name,
+        'description': mindmap.description,
+        'is_private': mindmap.is_private,
+        'user_id': mindmap.user_id,
+        'created_at': mindmap.created_at.isoformat(),
+        'last_modified': mindmap.last_modified.isoformat(),
+        # Hier könnten auch Knoten und Notizen hinzugefügt werden, ähnlich wie in get_user_mindmap
+    })
+
+@app.route('/api/mindmaps/<int:mindmap_id>', methods=['PUT'])
+@login_required
+def api_update_user_mindmap(mindmap_id):
+    mindmap = UserMindmap.query.filter_by(id=mindmap_id, user_id=current_user.id).first_or_404()
+    data = request.get_json()
+    
+    mindmap.name = data.get('name', mindmap.name)
+    mindmap.description = data.get('description', mindmap.description)
+    mindmap.is_private = data.get('is_private', mindmap.is_private)
+    
+    db.session.commit()
+    return jsonify({
+        'id': mindmap.id,
+        'name': mindmap.name,
+        'description': mindmap.description,
+        'is_private': mindmap.is_private,
+        'last_modified': mindmap.last_modified.isoformat()
+    })
+
+@app.route('/api/mindmaps/<int:mindmap_id>', methods=['DELETE'])
+@login_required
+def api_delete_user_mindmap(mindmap_id):
+    mindmap = UserMindmap.query.filter_by(id=mindmap_id, user_id=current_user.id).first_or_404()
+    db.session.delete(mindmap)
+    db.session.commit()
+    return jsonify({'message': 'Mindmap erfolgreich gelöscht'}), 200
+
+# API-Endpunkte für Mindmap-Daten (öffentlich und benutzerspezifisch)
 @app.route('/api/mindmap/public')
 def get_public_mindmap():
     """Liefert die Standard-Mindmap-Struktur basierend auf Kategorien."""

templates/my_account.html

@@ -85,6 +85,23 @@
     </div>
   </div>
 
+  <!-- Meine erstellten Mindmaps -->
+  <div class="mb-12">
+    <div class="flex justify-between items-center mb-4">
+      <h2 class="text-xl font-bold text-gray-800 dark:text-white flex items-center">
+        <i class="fas fa-brain mr-3 text-green-500"></i>
+        Meine erstellten Mindmaps
+      </h2>
+      <button id="create-mindmap-btn" class="px-4 py-2 bg-green-500 text-white rounded-lg hover:bg-green-600 transition-colors flex items-center">
+        <i class="fas fa-plus mr-2"></i> Neue Mindmap erstellen
+      </button>
+    </div>
+    <div id="user-mindmaps-container" class="space-y-4">
+      <!-- Hier werden die Mindmaps des Benutzers geladen -->
+      <p class="text-gray-600 dark:text-gray-400">Lade Mindmaps...</p>
+    </div>
+  </div>
+  
   <!-- Gemerkte Inhalte -->
   <div class="grid grid-cols-1 md:grid-cols-2 gap-8 mb-8">
     <!-- Wissensbereiche -->
@@ -123,6 +140,424 @@
   </div>
 </div>
 
+<!-- Modal zum Erstellen einer neuen Mindmap -->
+<div id="create-mindmap-modal" class="fixed inset-0 bg-gray-600 bg-opacity-50 overflow-y-auto h-full w-full flex items-center justify-center hidden z-50">
+  <div class="relative mx-auto p-5 border w-full max-w-md shadow-lg rounded-md bg-white dark:bg-gray-800">
+    <div class="mt-3 text-center">
+      <h3 class="text-lg leading-6 font-medium text-gray-900 dark:text-white">Neue Mindmap erstellen</h3>
+      <div class="mt-2 px-7 py-3">
+        <form id="create-mindmap-form">
+          <div class="mb-4">
+            <label for="mindmap-name" class="block text-sm font-medium text-gray-700 dark:text-gray-300 text-left">Name</label>
+            <input type="text" name="name" id="mindmap-name" class="mt-1 block w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark:bg-gray-700 dark:text-white" required>
+          </div>
+          <div class="mb-4">
+            <label for="mindmap-description" class="block text-sm font-medium text-gray-700 dark:text-gray-300 text-left">Beschreibung (optional)</label>
+            <textarea name="description" id="mindmap-description" rows="3" class="mt-1 block w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark:bg-gray-700 dark:text-white"></textarea>
+          </div>
+        </form>
+      </div>
+      <div class="items-center px-4 py-3">
+        <button id="submit-create-mindmap" class="px-4 py-2 bg-green-500 text-white text-base font-medium rounded-md w-full shadow-sm hover:bg-green-600 focus:outline-none focus:ring-2 focus:ring-green-300">
+          Erstellen
+        </button>
+        <button id="cancel-create-mindmap" class="mt-2 px-4 py-2 bg-gray-300 text-gray-800 dark:bg-gray-600 dark:text-gray-200 text-base font-medium rounded-md w-full shadow-sm hover:bg-gray-400 dark:hover:bg-gray-500 focus:outline-none focus:ring-2 focus:ring-gray-300">
+          Abbrechen
+        </button>
+      </div>
+    </div>
+  </div>
+</div>
+
+<!-- JavaScript für persönliche Mindmap und CRUD -->
+<script>
+</script>
+<script nonce="{{ csp_nonce }}">
+  document.addEventListener('DOMContentLoaded', function() {
+    // Modal-Logik
+    const createMindmapBtn = document.getElementById('create-mindmap-btn');
+    const createMindmapModal = document.getElementById('create-mindmap-modal');
+    const cancelCreateMindmapBtn = document.getElementById('cancel-create-mindmap');
+    const submitCreateMindmapBtn = document.getElementById('submit-create-mindmap');
+    const createMindmapForm = document.getElementById('create-mindmap-form');
+
+    if (createMindmapBtn) {
+      createMindmapBtn.addEventListener('click', () => {
+        createMindmapModal.classList.remove('hidden');
+      });
+    }
+
+    if (cancelCreateMindmapBtn) {
+      cancelCreateMindmapBtn.addEventListener('click', () => {
+        createMindmapModal.classList.add('hidden');
+        createMindmapForm.reset();
+      });
+    }
+    
+    // Schließen bei Klick außerhalb des Modals
+    if (createMindmapModal) {
+        createMindmapModal.addEventListener('click', (event) => {
+            if (event.target === createMindmapModal) {
+                createMindmapModal.classList.add('hidden');
+                createMindmapForm.reset();
+            }
+        });
+    }
+
+    // Funktion zum Anzeigen von Benachrichtigungen
+    function showNotification(message, type = 'success') {
+        const notificationArea = document.getElementById('notification-area') || createNotificationArea();
+        const notificationId = `notif-${Date.now()}`;
+        constbgColor = type === 'success' ? 'bg-green-500' : (type === 'error' ? 'bg-red-500' : 'bg-blue-500');
+        
+        const notificationElement = `
+            <div id="${notificationId}" class="p-4 mb-4 text-sm text-white rounded-lg ${bgColor} animate-fadeIn" role="alert">
+                <span class="font-medium">${type.charAt(0).toUpperCase() + type.slice(1)}:</span> ${message}
+            </div>
+        `;
+        notificationArea.insertAdjacentHTML('beforeend', notificationElement);
+
+        setTimeout(() => {
+            const el = document.getElementById(notificationId);
+            if (el) {
+                el.classList.add('animate-fadeOut');
+                setTimeout(() => el.remove(), 500);
+            }
+        }, 5000);
+    }
+
+    function createNotificationArea() {
+        const area = document.createElement('div');
+        area.id = 'notification-area';
+        area.className = 'fixed top-5 right-5 z-50 w-auto max-w-sm';
+        document.body.appendChild(area);
+        // Add some basic animation styles
+        const style = document.createElement('style');
+        style.textContent = `
+            .animate-fadeIn { animation: fadeIn 0.5s ease-out; }
+            .animate-fadeOut { animation: fadeOut 0.5s ease-in forwards; }
+            @keyframes fadeIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
+            @keyframes fadeOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-20px); } }
+        `;
+        document.head.appendChild(style);
+        return area;
+    }
+
+
+    // CRUD-Funktionen für UserMindmaps
+    const mindmapsContainer = document.getElementById('user-mindmaps-container');
+
+    async function fetchUserMindmaps() {
+      if (!mindmapsContainer) return;
+      mindmapsContainer.innerHTML = '<p class="text-gray-600 dark:text-gray-400">Lade Mindmaps...</p>';
+      try {
+        const response = await fetch('/api/mindmaps');
+        if (!response.ok) {
+          throw new Error(`HTTP error! status: ${response.status}`);
+        }
+        const mindmaps = await response.json();
+        renderMindmaps(mindmaps);
+      } catch (error) {
+        console.error('Fehler beim Laden der Mindmaps:', error);
+        mindmapsContainer.innerHTML = '<p class="text-red-500">Fehler beim Laden der Mindmaps.</p>';
+        showNotification('Fehler beim Laden der Mindmaps.', 'error');
+      }
+    }
+
+    function renderMindmaps(mindmaps) {
+      if (!mindmapsContainer) return;
+      if (mindmaps.length === 0) {
+        mindmapsContainer.innerHTML = '<p class="text-gray-600 dark:text-gray-400">Du hast noch keine eigenen Mindmaps erstellt.</p>';
+        return;
+      }
+
+      mindmapsContainer.innerHTML = ''; // Container leeren
+      const ul = document.createElement('ul');
+      ul.className = 'space-y-3';
+
+      mindmaps.forEach(mindmap => {
+        const li = document.createElement('li');
+        li.className = 'p-4 rounded-xl bg-white/80 dark:bg-gray-800/80 shadow-sm hover:shadow-md transition-all flex justify-between items-center';
+        
+        const mindmapLink = document.createElement('a');
+        mindmapLink.href = `/user_mindmap/${mindmap.id}`;
+        mindmapLink.className = 'flex-grow';
+        
+        const textDiv = document.createElement('div');
+        const nameH3 = document.createElement('h3');
+        nameH3.className = 'font-semibold text-gray-900 dark:text-white';
+        nameH3.textContent = mindmap.name;
+        textDiv.appendChild(nameH3);
+
+        if (mindmap.description) {
+          const descP = document.createElement('p');
+          descP.className = 'text-sm text-gray-600 dark:text-gray-400';
+          descP.textContent = mindmap.description;
+          textDiv.appendChild(descP);
+        }
+        mindmapLink.appendChild(textDiv);
+        li.appendChild(mindmapLink);
+
+        const actionsDiv = document.createElement('div');
+        actionsDiv.className = 'flex space-x-2 ml-4';
+
+        const editButton = document.createElement('a');
+        editButton.href = `/edit_mindmap/${mindmap.id}`; // oder JavaScript-basiertes Editieren
+        editButton.className = 'px-3 py-1 bg-blue-500 text-white rounded hover:bg-blue-600 text-sm flex items-center';
+        editButton.innerHTML = '<i class="fas fa-edit mr-1"></i> Bearbeiten';
+        // Hier könnte auch ein Event-Listener für ein Modal zum Bearbeiten hinzugefügt werden
+        // editButton.addEventListener('click', (e) => { e.preventDefault(); openEditModal(mindmap); });
+        actionsDiv.appendChild(editButton);
+        
+        const deleteButton = document.createElement('button');
+        deleteButton.className = 'px-3 py-1 bg-red-500 text-white rounded hover:bg-red-600 text-sm flex items-center delete-mindmap-btn';
+        deleteButton.innerHTML = '<i class="fas fa-trash mr-1"></i> Löschen';
+        deleteButton.dataset.mindmapId = mindmap.id;
+        actionsDiv.appendChild(deleteButton);
+
+        li.appendChild(actionsDiv);
+        ul.appendChild(li);
+      });
+      mindmapsContainer.appendChild(ul);
+
+      // Event Listener für Löschen-Buttons hinzufügen
+      document.querySelectorAll('.delete-mindmap-btn').forEach(button => {
+        button.addEventListener('click', async (event) => {
+          const mindmapId = event.currentTarget.dataset.mindmapId;
+          if (confirm('Bist du sicher, dass du diese Mindmap löschen möchtest?')) {
+            try {
+              const response = await fetch(`/api/mindmaps/${mindmapId}`, { method: 'DELETE' });
+              if (!response.ok) {
+                const errorData = await response.json();
+                throw new Error(errorData.error || `HTTP error! status: ${response.status}`);
+              }
+              showNotification('Mindmap erfolgreich gelöscht.', 'success');
+              fetchUserMindmaps(); // Liste aktualisieren
+            } catch (error) {
+              console.error('Fehler beim Löschen der Mindmap:', error);
+              showNotification(`Fehler beim Löschen: ${error.message}`, 'error');
+            }
+          }
+        });
+      });
+    }
+
+    if (submitCreateMindmapBtn) {
+      submitCreateMindmapBtn.addEventListener('click', async () => {
+        const name = document.getElementById('mindmap-name').value;
+        const description = document.getElementById('mindmap-description').value;
+
+        if (!name.trim()) {
+          showNotification('Der Name der Mindmap darf nicht leer sein.', 'error');
+          return;
+        }
+
+        try {
+          const response = await fetch('/api/mindmaps', {
+            method: 'POST',
+            headers: {
+              'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({ name, description }),
+          });
+          if (!response.ok) {
+            const errorData = await response.json();
+            throw new Error(errorData.error || `HTTP error! status: ${response.status}`);
+          }
+          const newMindmap = await response.json();
+          showNotification(`Mindmap "${newMindmap.name}" erfolgreich erstellt.`, 'success');
+          createMindmapModal.classList.add('hidden');
+          createMindmapForm.reset();
+          fetchUserMindmaps(); // Liste aktualisieren
+        } catch (error) {
+          console.error('Fehler beim Erstellen der Mindmap:', error);
+          showNotification(`Fehler beim Erstellen: ${error.message}`, 'error');
+        }
+      });
+    }
+    
+    // Initiale Ladefunktion für Mindmaps
+    fetchUserMindmaps();
+
+    // Bestehendes Skript für Bookmarks etc.
+    // Lade gespeicherte Bookmarks aus dem LocalStorage
+    function loadBookmarkedNodes() {
+      try {
+        const bookmarked = localStorage.getItem('bookmarkedNodes');
+        return bookmarked ? JSON.parse(bookmarked) : [];
+      } catch (error) {
+        console.error('Fehler beim Laden der gemerkten Knoten:', error);
+        return [];
+      }
+    }
+    
+    const bookmarkedNodeIds = loadBookmarkedNodes();
+    
+    // Prüfe, ob es gemerkte Knoten gibt
+    if (bookmarkedNodeIds && bookmarkedNodeIds.length > 0) {
+      // Verstecke die Leer-Nachricht
+      const emptyMindmapMessage = document.getElementById('empty-mindmap-message');
+      if (emptyMindmapMessage) {
+        emptyMindmapMessage.style.display = 'none';
+      }
+      
+      // Initialisiere die persönliche Mindmap
+      const personalMindmapContainer = document.getElementById('personal-mindmap');
+      if (personalMindmapContainer && typeof MindMapVisualization !== 'undefined') {
+          const personalMindmap = new MindMapVisualization('#personal-mindmap', {
+            width: personalMindmapContainer.clientWidth,
+            height: 400,
+            nodeRadius: 18,
+            selectedNodeRadius: 22,
+            linkDistance: 120,
+            chargeStrength: -800,
+            centerForce: 0.1,
+            tooltipEnabled: true
+          });
+          
+          // Lade Daten für die Mindmap
+          window.setTimeout(() => {
+            if (window.mindmapInstance) {
+              const nodes = window.mindmapInstance.nodes.filter(node =>
+                bookmarkedNodeIds.includes(node.id)
+              );
+              const links = window.mindmapInstance.links.filter(link =>
+                bookmarkedNodeIds.includes(link.source.id || link.source) &&
+                bookmarkedNodeIds.includes(link.target.id || link.target)
+              );
+              personalMindmap.nodes = nodes;
+              personalMindmap.links = links;
+              personalMindmap.isLoading = false;
+              personalMindmap.updateVisualization();
+            } else {
+                 if (emptyMindmapMessage) emptyMindmapMessage.style.display = 'flex';
+            }
+          }, 800);
+      }
+      loadBookmarkedContent(bookmarkedNodeIds);
+    } else {
+      // Zeige Leerzustand an
+      const areasContainer = document.getElementById('bookmarked-areas-container');
+      const thoughtsContainer = document.getElementById('bookmarked-thoughts-container');
+      
+      if (areasContainer) {
+        areasContainer.innerHTML = `
+          <div class="empty-state">
+            <div class="text-4xl mb-2 opacity-20">
+              <i class="fas fa-folder-open"></i>
+            </div>
+            <p class="text-gray-600 dark:text-gray-400">Keine gemerkten Wissensbereiche</p>
+          </div>
+        `;
+      }
+      
+      if (thoughtsContainer) {
+        thoughtsContainer.innerHTML = `
+          <div class="empty-state">
+            <div class="text-4xl mb-2 opacity-20">
+              <i class="fas fa-lightbulb"></i>
+            </div>
+            <p class="text-gray-600 dark:text-gray-400">Keine gemerkten Gedanken</p>
+          </div>
+        `;
+      }
+    }
+  });
+  
+  // Funktion zum Laden der gemerkten Inhalte (bleibt größtenteils gleich)
+  function loadBookmarkedContent(nodeIds) {
+    if (!nodeIds || nodeIds.length === 0) return;
+    
+    const areasContainer = document.getElementById('bookmarked-areas-container');
+    const thoughtsContainer = document.getElementById('bookmarked-thoughts-container');
+    
+    const colors = ['purple', 'blue', 'green', 'indigo', 'amber'];
+    
+    if (areasContainer) areasContainer.innerHTML = '';
+    if (thoughtsContainer) thoughtsContainer.innerHTML = '';
+    
+    const areaTemplates = [
+      { name: 'Philosophie', description: 'Grundlagen philosophischen Denkens', count: 24 },
+      { name: 'Wissenschaft', description: 'Wissenschaftliche Methoden und Erkenntnisse', count: 42 },
+      { name: 'Technologie', description: 'Zukunftsweisende Technologien', count: 36 },
+      { name: 'Kunst', description: 'Künstlerische Ausdrucksformen', count: 18 },
+      { name: 'Psychologie', description: 'Menschliches Verhalten verstehen', count: 30 }
+    ];
+    
+    const thoughtTemplates = [
+      { title: 'Quantenphysik und Bewusstsein', author: 'Maria Schmidt', date: '12.04.2023' },
+      { title: 'Ethik in der künstlichen Intelligenz', author: 'Thomas Weber', date: '23.02.2023' },
+      { title: 'Die Rolle der Kunst in der Gesellschaft', author: 'Lena Müller', date: '05.06.2023' },
+      { title: 'Nachhaltige Entwicklung im 21. Jahrhundert', author: 'Michael Bauer', date: '18.08.2023' },
+      { title: 'Kognitive Verzerrungen im Alltag', author: 'Sophie Klein', date: '30.09.2023' }
+    ];
+    
+    const areaCount = Math.min(nodeIds.length, 5);
+    
+    if (areasContainer && areaCount > 0) {
+      for (let i = 0; i < areaCount; i++) {
+        const area = areaTemplates[i];
+        const colorClass = colors[i % colors.length];
+        areasContainer.innerHTML += `
+          <a href="{{ url_for('mindmap') }}" class="bookmark-item block p-4 rounded-xl bg-white/80 dark:bg-gray-800/80 shadow-sm hover:shadow-md transition-all">
+            <div class="flex items-center">
+              <div class="w-10 h-10 rounded-lg bg-${colorClass}-100 dark:bg-${colorClass}-900/30 flex items-center justify-center mr-3">
+                <i class="fas fa-bookmark text-${colorClass}-500"></i>
+              </div>
+              <div class="flex-grow">
+                <h3 class="font-semibold text-gray-900 dark:text-white">${area.name}</h3>
+                <p class="text-sm text-gray-600 dark:text-gray-400">${area.description}</p>
+              </div>
+              <div class="text-xs text-gray-500 dark:text-gray-400">
+                ${area.count} Einträge
+              </div>
+            </div>
+          </a>
+        `;
+      }
+    } else if (areasContainer) {
+      areasContainer.innerHTML = `
+        <div class="empty-state">
+          <div class="text-4xl mb-2 opacity-20">
+            <i class="fas fa-folder-open"></i>
+          </div>
+          <p class="text-gray-600 dark:text-gray-400">Keine gemerkten Wissensbereiche</p>
+        </div>
+      `;
+    }
+    
+    const thoughtCount = Math.min(nodeIds.length, 5);
+    
+    if (thoughtsContainer && thoughtCount > 0) {
+      for (let i = 0; i < thoughtCount; i++) {
+        const thought = thoughtTemplates[i];
+        const colorClass = colors[(i + 2) % colors.length];
+        thoughtsContainer.innerHTML += `
+          <a href="{{ url_for('mindmap') }}" class="bookmark-item block p-4 rounded-xl bg-white/80 dark:bg-gray-800/80 shadow-sm hover:shadow-md transition-all">
+            <div class="flex items-center">
+              <div class="w-10 h-10 rounded-lg bg-${colorClass}-100 dark:bg-${colorClass}-900/30 flex items-center justify-center mr-3">
+                <i class="fas fa-lightbulb text-${colorClass}-500"></i>
+              </div>
+              <div class="flex-grow">
+                <h3 class="font-semibold text-gray-900 dark:text-white">${thought.title}</h3>
+                <p class="text-sm text-gray-600 dark:text-gray-400">Von ${thought.author} • ${thought.date}</p>
+              </div>
+            </div>
+          </a>
+        `;
+      }
+    } else if (thoughtsContainer) {
+      thoughtsContainer.innerHTML = `
+        <div class="empty-state">
+          <div class="text-4xl mb-2 opacity-20">
+            <i class="fas fa-lightbulb"></i>
+          </div>
+          <p class="text-gray-600 dark:text-gray-400">Keine gemerkten Gedanken</p>
+        </div>
+      `;
+    }
+  }
+</script>
 <!-- JavaScript für persönliche Mindmap -->
 <script>
   document.addEventListener('DOMContentLoaded', function() {