feat: implement user registration, profile management, and WhatsApp OTP authentication views

api/views.py

@@ -1,5 +1,7 @@
 import logging
-import requests
+import json
+import urllib.request
+import urllib.error
 from django.conf import settings
 from django.core.cache import cache
 from rest_framework import status, permissions
@@ -70,13 +72,21 @@ class SendWhatsAppOTPView(APIView):
         }
 
         try:
-            res = requests.post(whatsapp_service_url, json=payload, timeout=10)
+            req_data = json.dumps(payload).encode('utf-8')
-            try:
+            req = urllib.request.Request(
-                res_data = res.json()
+                whatsapp_service_url,
-            except Exception:
+                data=req_data,
-                res_data = {"text": res.text}
+                headers={'Content-Type': 'application/json', 'User-Agent': 'TradhoxBackend/1.0'}
+            )
+            with urllib.request.urlopen(req, timeout=10) as resp:
+                status_code = resp.status
+                body_bytes = resp.read()
+                try:
+                    res_data = json.loads(body_bytes.decode('utf-8'))
+                except Exception:
+                    res_data = {"text": body_bytes.decode('utf-8', errors='ignore')}
 
-            if res.status_code == 200 and res_data.get('status') != 'error':
+            if status_code == 200 and res_data.get('status') != 'error':
                 return Response({
                     "status": "success",
                     "message": f"WhatsApp OTP dispatched to {mobile_number}",
@@ -84,13 +94,26 @@ class SendWhatsAppOTPView(APIView):
                     "gateway_response": res_data
                 }, status=status.HTTP_200_OK)
             else:
-                audit_logger.warning(f"WhatsApp gateway response for {mobile_number}: {res.status_code} {res_data}")
+                audit_logger.warning(f"WhatsApp gateway response for {mobile_number}: {status_code} {res_data}")
                 return Response({
                     "status": "success",
                     "message": f"WhatsApp OTP request submitted for {mobile_number}",
                     "mobile_number": mobile_number,
                     "gateway_response": res_data
                 }, status=status.HTTP_200_OK)
+        except urllib.error.HTTPError as e:
+            err_body = e.read().decode('utf-8', errors='ignore')
+            try:
+                err_data = json.loads(err_body)
+            except Exception:
+                err_data = {"text": err_body}
+            audit_logger.warning(f"WhatsApp gateway HTTPError {e.code} for {mobile_number}: {err_data}")
+            return Response({
+                "status": "warning",
+                "message": f"WhatsApp gateway returned status {e.code}",
+                "gateway_response": err_data,
+                "mobile_number": mobile_number
+            }, status=status.HTTP_200_OK)
         except Exception as e:
             audit_logger.error(f"WhatsApp service connection error for {mobile_number}: {e}")
             return Response({

requirements.txt

@@ -4,3 +4,5 @@ djangorestframework-simplejwt
 django-cors-headers
 gunicorn
 psycopg2-binary
+requests
+