added theme editor

app/routes/admin.py

@@ -59,6 +59,40 @@ def admin_edit_config(filename):
     return render_template('admin_edit.html', filename=filename, content=content)
     pass
 
+
+@admin_bp.route('/theme/edit/<path:filename>', methods=['GET', 'POST'])
+def admin_edit_theme(filename):
+    base = current_app.config['SOUNDBOARD_CONFIG_DIR']
+    path = os.path.normpath(os.path.join(base, filename))
+    if not path.startswith(os.path.abspath(base)):
+        return "Ungültiger Pfad", 400
+
+    if request.method == 'POST':
+        try:
+            new_content = request.form.get('config_content')
+            if not new_content:
+                raise ValueError("Kein Inhalt übermittelt")
+            json.loads(new_content)
+            with open(path, 'w', encoding='utf-8') as f:
+                f.write(new_content)
+            logger.info(f"Theme {filename} erfolgreich gespeichert")
+            return redirect(url_for('admin.admin'))
+        except json.JSONDecodeError as e:
+            logger.error(f"Ungültiges JSON in Theme {filename}: {e}")
+            error_msg = f"Ungültiges JSON: {str(e)}"
+        except Exception as e:
+            logger.error(f"Speicherfehler Theme {filename}: {e}")
+            error_msg = f"Fehler beim Speichern: {str(e)}"
+        with open(path, 'r', encoding='utf-8') as f:
+            content = f.read()
+        return render_template('admin_edit_theme.html', filename=filename, content=content, error=error_msg)
+
+    if not os.path.exists(path):
+        return "Theme nicht gefunden", 404
+    with open(path, 'r', encoding='utf-8') as f:
+        content = f.read()
+    return render_template('admin_edit_theme.html', filename=filename, content=content)
+
 @admin_bp.route('/delete/<filename>', methods=['POST'])
 def admin_delete_config(filename):
     path = os.path.join(current_app.config['CONFIG_DIR'], filename)