first commit

product/views.py

@@ -0,0 +1,137 @@
+from django.core.cache import cache
+from rest_framework import generics
+from rest_framework.pagination import PageNumberPagination
+from rest_framework.response import Response
+
+from core.Permission import ReadOnly
+from product.models import Category, Product, ProductTree
+from product.serializers import CategorySerializer, ProductSerializer, ProductTreeSerializer
+
+CACHE_TTL = 60 * 5  # 5 dakika
+
+
+class StandardResultsSetPagination(PageNumberPagination):
+    page_size = 12
+    page_size_query_param = 'page_size'
+    max_page_size = 100
+
+
+class CategoryListView(generics.ListAPIView):
+    permission_classes = [ReadOnly]
+    serializer_class = CategorySerializer
+    queryset = Category.objects.order_by('order').filter(is_active=True, parent__isnull=True).all()
+
+    def get(self, request, *args, **kwargs):
+        cache_key = 'product:categories:list'
+        cached_data = cache.get(cache_key)
+        if cached_data:
+            return Response(cached_data)
+
+        queryset = self.get_queryset()
+        serializer = self.get_serializer(queryset, many=True)
+        cache.set(cache_key, serializer.data, timeout=CACHE_TTL)
+        return Response(serializer.data)
+
+
+class CategoryRetrieveAPIView(generics.RetrieveAPIView):
+    permission_classes = [ReadOnly]
+    queryset = Category.objects.order_by('order').filter(is_active=True).all()
+    serializer_class = CategorySerializer
+    lookup_field = 'slug'
+
+    def get(self, request, *args, **kwargs):
+        slug = self.kwargs.get('slug')
+        cache_key = f'product:category:{slug}'
+        cached_data = cache.get(cache_key)
+        if cached_data:
+            return Response(cached_data)
+
+        instance = self.get_object()
+        serializer = self.get_serializer(instance)
+        cache.set(cache_key, serializer.data, timeout=CACHE_TTL)
+        return Response(serializer.data)
+
+
+class ProductListAPIView(generics.ListAPIView):
+    permission_classes = [ReadOnly]
+    serializer_class = ProductSerializer
+    queryset = Product.objects.filter(is_active=True).all()
+    pagination_class = StandardResultsSetPagination
+
+    def get(self, request, *args, **kwargs):
+        # Sayfa numarasını al
+        page = request.query_params.get('page', 1)
+        cache_key = f'product:products:list:page:{page}'
+        
+        cached_data = cache.get(cache_key)
+        if cached_data:
+            return Response(cached_data)
+
+        queryset = self.get_queryset()
+        
+        # Sayfalama işlemini uygula
+        page = self.paginate_queryset(queryset)
+        if page is not None:
+            serializer = self.get_serializer(page, many=True)
+            # Sayfalanmış yanıtı al (count, next, previous, results yapısı)
+            response = self.get_paginated_response(serializer.data)
+            # Yanıtın verisini (data) cache'e kaydet
+            cache.set(cache_key, response.data, timeout=CACHE_TTL)
+            return response
+
+        # Sayfalama yoksa normal döndür
+        serializer = self.get_serializer(queryset, many=True)
+        return Response(serializer.data)
+
+
+class FeaturedProductListAPIView(generics.ListAPIView):
+    permission_classes = [ReadOnly]
+    serializer_class = ProductSerializer
+    queryset = Product.objects.filter(is_active=True, is_front=True).all()
+
+    def get(self, request, *args, **kwargs):
+        cache_key = 'product:products:featured'
+        cached_data = cache.get(cache_key)
+        if cached_data:
+            return Response(cached_data)
+
+        queryset = self.get_queryset()
+        serializer = self.get_serializer(queryset, many=True)
+        cache.set(cache_key, serializer.data, timeout=CACHE_TTL)
+        return Response(serializer.data)
+
+
+class ProductListTreeAPIView(generics.ListAPIView):
+    permission_classes = [ReadOnly]
+    serializer_class = ProductTreeSerializer
+    queryset = ProductTree.objects.filter(is_active=True).all()[:3]
+
+    def get(self, request, *args, **kwargs):
+        cache_key = 'product:product_trees:list'
+        cached_data = cache.get(cache_key)
+        if cached_data:
+            return Response(cached_data)
+
+        queryset = self.get_queryset()
+        serializer = self.get_serializer(queryset, many=True)
+        cache.set(cache_key, serializer.data, timeout=CACHE_TTL)
+        return Response(serializer.data)
+
+
+class ProductRetrieveAPIView(generics.RetrieveAPIView):
+    permission_classes = [ReadOnly]
+    queryset = Product.objects.filter(is_active=True).all()
+    serializer_class = ProductSerializer
+    lookup_field = 'slug'
+
+    def get(self, request, *args, **kwargs):
+        slug = self.kwargs.get('slug')
+        cache_key = f'product:product:{slug}'
+        cached_data = cache.get(cache_key)
+        if cached_data:
+            return Response(cached_data)
+
+        instance = self.get_object()
+        serializer = self.get_serializer(instance)
+        cache.set(cache_key, serializer.data, timeout=CACHE_TTL)
+        return Response(serializer.data)