feat: Add Dockerfile and initial Docker setup files

demo/routes/customizer.py

@@ -9,6 +9,19 @@ from utils.auth_decorators import login_required
 
 customizer_bp = Blueprint('customizer', __name__)
 
+
+@customizer_bp.route('/customizer')
+def customizer_demo():
+    """Ruta de conveniencia: si se pasa ?site_id=ID delega a customizer_view, si no muestra demo"""
+    sid = request.args.get('site_id')
+    if sid:
+        try:
+            return customizer_view(int(sid))
+        except Exception:
+            pass
+    # Render demo template with empty content
+    return render_template('customizer.html', site_id='demo', slug='demo', theme=None, content={}, theme_template=None, theme_config={}, available_themes={}, user_plan='base')
+
 @customizer_bp.route('/api/themes')
 def list_themes():
     """Listar todos los templates disponibles filtrados por plan"""
@@ -35,12 +48,13 @@ def customizer_view(site_id):
     c = conn.cursor()
     c.execute('SELECT user_id, slug, theme, content_json FROM sites WHERE id = ?', (site_id,))
     site = c.fetchone()
-    conn.close()
     
     if not site:
+        conn.close()
         return "Sitio no encontrado", 404
     
     if 'user_id' in session and site[0] != session['user_id']:
+        conn.close()
         return "No autorizado", 403
     
     content = json.loads(site[3]) if site[3] else {}
@@ -55,9 +69,10 @@ def customizer_view(site_id):
     theme_config = get_theme_config(theme)
     
     # Obtener plan del usuario para filtrar templates
-    c = conn.cursor()
     c.execute('SELECT plan, rubro FROM users WHERE id = ?', (site[0],))
     user_data = c.fetchone()
+    conn.close()
+    
     user_plan = user_data[0] if user_data else 'base'
     user_rubro = user_data[1] if user_data else 'restaurante'
     
@@ -91,6 +106,43 @@ def save_customizer():
     conn.close()
     return jsonify({'success': True})
 
+@customizer_bp.route('/api/customizer/get-blocks/<int:site_id>', methods=['GET'])
+def get_blocks(site_id):
+    """Retorna los bloques de un sitio"""
+    conn = sqlite3.connect(MAIN_DB)
+    c = conn.cursor()
+    c.execute('SELECT content_json FROM sites WHERE id = ?', (site_id,))
+    result = c.fetchone()
+    conn.close()
+    
+    if not result or not result[0]:
+        return jsonify([])
+    
+    try:
+        content = json.loads(result[0])
+        return jsonify(content.get('blocks', []))
+    except:
+        return jsonify([])
+
+
+@customizer_bp.route('/api/customizer/get-content/<int:site_id>', methods=['GET'])
+def get_content(site_id):
+    """Retorna el contenido completo (blocks + settings) de un sitio"""
+    conn = sqlite3.connect(MAIN_DB)
+    c = conn.cursor()
+    c.execute('SELECT content_json FROM sites WHERE id = ?', (site_id,))
+    result = c.fetchone()
+    conn.close()
+
+    if not result or not result[0]:
+        return jsonify({'success': True, 'content': {}})
+
+    try:
+        content = json.loads(result[0])
+        return jsonify({'success': True, 'content': content})
+    except Exception:
+        return jsonify({'success': True, 'content': {}})
+
 @customizer_bp.route('/api/customizer/add-block', methods=['POST'])
 def add_block():
     data = request.get_json()
@@ -102,6 +154,10 @@ def add_block():
     c.execute('SELECT content_json FROM sites WHERE id = ?', (site_id,))
     result = c.fetchone()
     
+    if not result:
+        conn.close()
+        return jsonify({'success': False, 'error': 'Sitio no encontrado'}), 404
+        
     content = json.loads(result[0]) if result[0] else {}
     if 'blocks' not in content: content['blocks'] = []