Enhance API response handling and implement unified API standard across multiple modules. Added feature flags for unified exception handling and debug throttling in settings. Updated pagination and response formats in various viewsets to align with the new standard. Improved error handling and response validation in frontend components for better user feedback.

backend/igny8_core/middleware/request_id.py

@@ -0,0 +1,43 @@
+"""
+Request ID Middleware
+Generates unique request ID for every request and includes it in response headers
+"""
+import uuid
+import logging
+from django.utils.deprecation import MiddlewareMixin
+
+logger = logging.getLogger(__name__)
+
+
+class RequestIDMiddleware(MiddlewareMixin):
+    """
+    Middleware that generates a unique request ID for every request
+    and includes it in response headers as X-Request-ID
+    """
+    
+    def process_request(self, request):
+        """Generate or retrieve request ID"""
+        # Check if request ID already exists in headers
+        request_id = request.META.get('HTTP_X_REQUEST_ID') or request.META.get('X-Request-ID')
+        
+        if not request_id:
+            # Generate new request ID
+            request_id = str(uuid.uuid4())
+        
+        # Store in request for use in views/exception handlers
+        request.request_id = request_id
+        
+        return None
+    
+    def process_response(self, request, response):
+        """Add request ID to response headers"""
+        # Get request ID from request
+        request_id = getattr(request, 'request_id', None)
+        
+        if request_id:
+            # Add to response headers
+            response['X-Request-ID'] = request_id
+        
+        return response
+
+