Implement Token Authentication in CourseOnlineClassTokenValidateAPIView

- Added TokenAuthentication to allow users to authenticate with a token while still permitting access without authentication.
- Removed redundant debug print statements related to token validation to streamline the code and improve readability.

apps/course/views/course.py

@@ -9,6 +9,7 @@ from django.utils import timezone
 from drf_yasg import openapi
 from drf_yasg.utils import swagger_auto_schema
 from rest_framework import status
+from rest_framework.authentication import TokenAuthentication
 from rest_framework.authtoken.models import Token
 from rest_framework.exceptions import NotFound
 from rest_framework.filters import SearchFilter
@@ -415,6 +416,9 @@ class CourseOnlineClassTokenAPIView(GenericAPIView):
 
 
 class CourseOnlineClassTokenValidateAPIView(GenericAPIView):
+    # Changed from AllowAny to enable DRF authentication
+    # Users can still access without auth, but if token is provided, it will be authenticated
+    authentication_classes = [TokenAuthentication]
     permission_classes = [AllowAny]
     serializer_class = OnlineClassTokenVerifySerializer
 
@@ -454,22 +458,6 @@ class CourseOnlineClassTokenValidateAPIView(GenericAPIView):
         print(f"[Online Validate GET] user={request.user}")
         print(f"[Online Validate GET] user.is_authenticated={request.user.is_authenticated}")
         print(f"[Online Validate GET] user.id={request.user.id if request.user.is_authenticated else 'N/A'}")
-        print(f"[Online Validate GET] Authorization Header={request.META.get('HTTP_AUTHORIZATION', 'NOT FOUND')}")
-        print(f"[Online Validate GET] All Headers={dict((k, v) for k, v in request.META.items() if k.startswith('HTTP_'))}")
-        
-        # Debug: Check if token exists in database
-        auth_header = request.META.get('HTTP_AUTHORIZATION', '')
-        if auth_header.startswith('Token '):
-            token_key = auth_header.split(' ')[1]
-            try:
-                from rest_framework.authtoken.models import Token
-                token_obj = Token.objects.get(key=token_key)
-                print(f"[Online Validate GET] Token found in DB - user={token_obj.user} user_id={token_obj.user.id}")
-            except Token.DoesNotExist:
-                print(f"[Online Validate GET] Token NOT found in DB - token={token_key[:10]}...")
-            except Exception as e:
-                print(f"[Online Validate GET] Token check error - {str(e)}")
-        
         print("=" * 80)
         
         logger.info(f"[Online Validate GET] Request received - slug={slug} user_id={request.user.id if request.user.is_authenticated else 'anonymous'}")