Part 1: Booking API with Swagger and custom endpoints

bookings/middleware.py

@@ -0,0 +1,41 @@
+# bookings/middleware.py
+import logging
+import time
+import json
+
+logger = logging.getLogger(__name__)
+
+class RequestLoggingMiddleware:
+    """
+    Logs request start, method, path, body (if small), response status and duration.
+    Place this middleware after common Django middleware as configured in settings.py.
+    """
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        start = time.time()
+        try:
+            # basic request info
+            method = request.method
+            path = request.get_full_path()
+            # try to capture small JSON bodies safely
+            body = None
+            try:
+                if method in ("POST", "PUT", "PATCH") and request.body:
+                    raw = request.body.decode("utf-8")[:2000]
+                    body = raw
+            except Exception:
+                body = "<could not decode>"
+
+            logger.info(f"Request start: {method} {path} body={body}")
+
+            response = self.get_response(request)
+
+            duration = time.time() - start
+            logger.info(f"Request finished: {method} {path} status={response.status_code} time={duration:.3f}s")
+            return response
+        except Exception as ex:
+            # log exception details
+            logger.exception(f"Unhandled exception during request: {ex}")
+            raise