From 0aaac1e9c8089098dc9d211238cfe083b7466a21 Mon Sep 17 00:00:00 2001
From: Parsa Nazer <parsa.nazerrr@gmail.com>
Date: Wed, 29 Jan 2025 16:33:20 +0330
Subject: [PATCH] new seriliazer fields and views for blog with ip

---
 backend/blog/serializers.py |  4 ++--
 backend/blog/views.py       | 26 +++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/backend/blog/serializers.py b/backend/blog/serializers.py
index 9a8cfff..f392204 100644
--- a/backend/blog/serializers.py
+++ b/backend/blog/serializers.py
@@ -4,10 +4,10 @@ from .models import BlogModel
 class BlogSerilizer(serializers.ModelSerializer):
     class Meta:
         model = BlogModel
-        fields = "__all__"
+        fields = ['title','author', 'slug', 'category', 'created_at', 'updated_at', 'cover_image', 'views']
 
 
 class AllBlogSerilizer(serializers.ModelSerializer):
     class Meta:
         model = BlogModel
-        fields = "__all__"
\ No newline at end of file
+        exclude = ('is_published',)
\ No newline at end of file
diff --git a/backend/blog/views.py b/backend/blog/views.py
index bf8b968..ea79fc9 100644
--- a/backend/blog/views.py
+++ b/backend/blog/views.py
@@ -45,10 +45,34 @@ class AllBlogView(APIView):
 class BlogView(APIView):
     authentication_classes = []
     serializer_class = BlogSerilizer
+
+    def get_client_ip(self, request):
+        """Helper function to get the client IP from request headers."""
+        x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
+        if x_forwarded_for:
+            ip = x_forwarded_for.split(',')[0]
+        else:
+            ip = request.META.get('REMOTE_ADDR')
+        return ip
+
+
     def get(self, request, pk):
         blog = get_object_or_404(BlogModel, pk=pk)
         if blog.is_published:
+            # Track views using session
+            client_ip = self.get_client_ip(request)
+            session_key = f'viewed_blog_{pk}_{client_ip}'
+
+            if not request.session.get(session_key):
+                blog.views += 1
+                blog.save()
+                print(f'views {blog.views}')
+                print(session_key)
+                request.session[session_key] = True
+                request.session.set_expiry(3600) 
+
             blog_ser = self.serializer_class(instance=blog, context={'request': request})
             return Response(blog_ser.data, status=status.HTTP_200_OK)
         else:
-            return Response({'detail': 'object with the given id does not exiest or its not published yet'}, status=status.HTTP_404_NOT_FOUND)
\ No newline at end of file
+            return Response({'detail': 'object with the given id does not exist or is not published yet'}, 
+                             status=status.HTTP_404_NOT_FOUND)
\ No newline at end of file