add search filter for product list api

core/apps/products/views/product.py

@@ -1,47 +1,58 @@
+from django.db.models import Q
 from django.shortcuts import get_object_or_404
-
 from rest_framework import generics, views
 from rest_framework.response import Response
 
+from core.apps.accounts.permissions.permissions import HasRolePermission
 from core.apps.products.models import Product
 from core.apps.products.serializers import product as serializers
-from core.apps.accounts.permissions.permissions import HasRolePermission
 from core.apps.shared.paginations.custom import CustomPageNumberPagination
 
 
 class ProductListApiView(generics.ListAPIView):
     serializer_class = serializers.ProductListSerializer
-    queryset = Product.objects.select_related('unity').only(
-        'id', 'name', 'type', 'unity'
+    queryset = Product.objects.select_related("unity").only(
+        "id", "name", "type", "unity"
     )
     permission_classes = [HasRolePermission]
     pagination_class = CustomPageNumberPagination
 
+    def get(self, request):
+        search = request.query_params.get("search")
+        if search:
+            self.queryset = self.queryset.filter(
+                Q(name__istartswith=search) | Q(unity__value__istartswith=search)
+            )
+        page = self.paginate_queryset(self.queryset)
+        if page is not None:
+            serializer = self.serializer_class(page, many=True)
+            return self.get_paginated_response(serializer.data)
+
 
 class ProductCreateApiView(generics.GenericAPIView):
     serializer_class = serializers.ProductSerializer
     queryset = Product.objects.all()
     permission_classes = [HasRolePermission]
-    
+
     def post(self, request):
         serializer = self.serializer_class(data=request.data)
         if serializer.is_valid(raise_exception=True):
             data = serializer.save()
             return Response(
                 {
-                    'success': True,
-                    'message': "product successfully created!", 
-                    'product': serializers.ProductListSerializer(data).data
+                    "success": True,
+                    "message": "product successfully created!",
+                    "product": serializers.ProductListSerializer(data).data,
                 },
-                status=201
+                status=201,
             )
         return Response(
             {
                 "success": False,
                 "message": "an error occurred while adding th product.",
-                "error": serializer.errors
+                "error": serializer.errors,
             },
-            status=400
+            status=400,
         )
 
 
@@ -56,34 +67,36 @@ class ProductUpdateApiView(generics.GenericAPIView):
         if serializer.is_valid(raise_exception=True):
             serializer.save()
             return Response(
-                {'success': True, 'message': 'product successfully updated!'},
-                status=200
+                {"success": True, "message": "product successfully updated!"},
+                status=200,
             )
         return Response(
             {
-                'success': False,
-                'message': "an error occurred while updating the product.",
+                "success": False,
+                "message": "an error occurred while updating the product.",
                 "error": serializer.errors,
             },
-            status=400
+            status=400,
         )
 
     def patch(self, request, product_id):
         product = get_object_or_404(Product, id=product_id)
-        serializer = self.serializer_class(data=request.data, instance=product, partial=True)
+        serializer = self.serializer_class(
+            data=request.data, instance=product, partial=True
+        )
         if serializer.is_valid(raise_exception=True):
             serializer.save()
             return Response(
-                {'success': True, "message": "product successfully updated!"},
-                status=200
+                {"success": True, "message": "product successfully updated!"},
+                status=200,
             )
         return Response(
             {
                 "successs": False,
                 "message": "an error accurred while updating the product.",
-                "error": serializer.errors
+                "error": serializer.errors,
             },
-            status=400
+            status=400,
         )
 
 
@@ -94,6 +107,5 @@ class ProductDeleteApiView(views.APIView):
         product = get_object_or_404(Product, id=product_id)
         product.delete()
         return Response(
-            {'success': True, 'message': 'product successfully deleted!'}, 
-            status=204
-        )
+            {"success": True, "message": "product successfully deleted!"}, status=204
+        )