✨ feat: update app logic and enhance base template rendering

app.py

@@ -1844,14 +1844,67 @@ def mindmap_page():
 @app.route('/forum')
 @app.route('/Forum')
 @app.route('/community_forum')
-def redirect_to_index():
-    """Leitet alle Community/Forum-URLs zur Startseite um"""
-    return redirect(url_for('index'))
+def forum_index():
+    """Community-Forum-Startseite"""
+    # Kategorien und ihre Daten abrufen
+    categories = ForumCategory.query.all()
+    categories_data = []
+    
+    for category in categories:
+        posts = ForumPost.query.filter_by(category_id=category.id, parent_id=None).count()
+        replies = ForumPost.query.filter(ForumPost.category_id == category.id, ForumPost.parent_id != None).count()
+        latest_post = ForumPost.query.filter_by(category_id=category.id).order_by(ForumPost.created_at.desc()).first()
+        
+        categories_data.append({
+            'category': category,
+            'total_posts': posts,
+            'total_replies': replies,
+            'latest_post': latest_post
+        })
+    
+    return render_template('community/index.html', categories_data=categories_data)
 
-@app.route('/static/js/mindmap-init.js')
-def serve_mindmap_init_js():
-    """Bedient die Mindmap-Initialisierungsdatei."""
-    return app.send_static_file('js/mindmap-init.js'), 200, {'Content-Type': 'application/javascript'}
+@app.route('/community/category/<int:category_id>')
+def forum_category(category_id):
+    """Zeigt alle Posts einer bestimmten Kategorie an"""
+    category = ForumCategory.query.get_or_404(category_id)
+    posts = ForumPost.query.filter_by(category_id=category_id).order_by(ForumPost.created_at.desc()).all()
+    return render_template('community/category.html', category=category, posts=posts)
+
+@app.route('/community/post/<int:post_id>')
+def forum_post(post_id):
+    """Zeigt einen einzelnen Forumsbeitrag mit seinen Antworten an"""
+    post = ForumPost.query.get_or_404(post_id)
+    return render_template('community/post.html', post=post)
+
+@app.route('/community/new-post', methods=['GET', 'POST'])
+@login_required
+def forum_new_post():
+    """Erstellen eines neuen Forumsbeitrags"""
+    if request.method == 'POST':
+        title = request.form.get('title')
+        content = request.form.get('content')
+        category_id = request.form.get('category')
+        
+        if not title or not content or not category_id:
+            flash('Bitte fülle alle erforderlichen Felder aus.', 'warning')
+            return redirect(url_for('forum_new_post'))
+        
+        post = ForumPost(
+            title=title,
+            content=content,
+            user_id=current_user.id,
+            category_id=category_id
+        )
+        
+        db.session.add(post)
+        db.session.commit()
+        
+        flash('Dein Beitrag wurde erfolgreich erstellt!', 'success')
+        return redirect(url_for('forum_post', post_id=post.id))
+    
+    categories = ForumCategory.query.all()
+    return render_template('community/new_post.html', categories=categories)
 
 # Datenbank-Update-Route (admin-geschützt)
 @app.route('/admin/update-database', methods=['GET', 'POST'])
@@ -1875,4 +1928,9 @@ def admin_update_database():
             message = f"Fehler: {str(e)}"
             success = False
     
-    return render_template('admin/update_database.html', message=message, success=success)
+    return render_template('admin/update_database.html', message=message, success=success)
+
+@app.route('/static/js/mindmap-init.js')
+def serve_mindmap_init_js():
+    """Bedient die Mindmap-Initialisierungsdatei."""
+    return app.send_static_file('js/mindmap-init.js'), 200, {'Content-Type': 'application/javascript'}

templates/base.html

@@ -657,6 +657,10 @@
                                :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
                                 Mindmap
                             </a>
+                            <a href="{{ url_for('forum_index') }}" class="text-sm transition-all duration-200"
+                               :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
+                                Community
+                            </a>
                             {% if current_user.is_authenticated %}
                             <a href="{{ url_for('profile') }}" class="text-sm transition-all duration-200"
                                :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">