Feature/api products catalogue

Dshop/Dshop/settings.py

@@ -61,6 +61,7 @@
     'rest_framework',
     'rest_framework.authtoken',
     'drf_spectacular',
+    'django_filters',
 ] + PROJECT_APPS
 
 MIDDLEWARE = [
@@ -207,6 +208,10 @@
     },
     "TEST_REQUEST_DEFAULT_FORMAT": "json",
     "DEFAULT_SCHEMA_CLASS": "drf_spectacular.openapi.AutoSchema",
+    "DEFAULT_PAGINATION_CLASS": "rest_framework.pagination.LimitOffsetPagination",
+    "PAGE_SIZE": 25,
+    "DEFAULT_FILTER_BACKENDS": ["django_filters.rest_framework.DjangoFilterBackend"]
+
 }
 
 # drf_spectacular

Dshop/Dshop/urls.py

@@ -40,6 +40,7 @@
     path('tinymce/', include('tinymce.urls')),
 
     path('api/users/', include('apps.users.api_urls')),
+    path('api/products/', include('apps.products_catalogue.api_urls')),
 
     path("api/schema/", SpectacularAPIView.as_view(), name="api-schema"),
     path(

Dshop/apps/products_catalogue/api_urls.py

@@ -0,0 +1,10 @@
+from django.urls import path, include
+from .api_views import ProductViewSet
+from rest_framework.routers import DefaultRouter
+
+router = DefaultRouter()
+router.register('', ProductViewSet, basename='products-api')
+
+urlpatterns = [
+    path('', include(router.urls)),
+]

Dshop/apps/products_catalogue/api_views.py

@@ -0,0 +1,12 @@
+from .models import Product
+from .serializers import ProductSerializer
+from .filters import ProductFilter
+from rest_framework import viewsets
+from django_filters.rest_framework import DjangoFilterBackend
+
+
+class ProductViewSet(viewsets.ModelViewSet):
+    queryset = Product.objects.filter(is_active=True, parent_product=None)
+    serializer_class = ProductSerializer
+    filter_backends = [DjangoFilterBackend]
+    filterset_class = ProductFilter

Dshop/apps/products_catalogue/filters.py

@@ -0,0 +1,10 @@
+from django_filters import rest_framework as filters
+from .models import Product
+
+
+class ProductFilter(filters.FilterSet):
+    name = filters.CharFilter(field_name='name', lookup_expr='icontains')
+
+    class Meta:
+        model = Product
+        fields = ['name']

Dshop/apps/products_catalogue/serializers.py

@@ -0,0 +1,9 @@
+from rest_framework import serializers
+from .models import Product
+
+
+class ProductSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = Product
+        fields = ['id', 'category', 'name', 'price', 'short_description', 'full_description', 'parent_product']

Dshop/apps/products_catalogue/tests/test_api_products.py

@@ -0,0 +1,85 @@
+import pytest
+from django.urls import reverse
+from apps.products_catalogue.models import Category, Product
+# pylama:ignore=W0404, W0611
+from apps.users.conftest import api_client, login_url, login_data, user_instance, user_instance_token
+
+
+@pytest.fixture
+def create_category():
+    return Category.objects.create(name='Test Category', is_active=True)
+
+
+@pytest.fixture
+def create_product():
+    category = Category.objects.create(name='Test Category', is_active=True)
+    return Product.objects.create(
+        name="main product",
+        category=category,
+        price=11,
+        short_description="short desc",
+        full_description="full_description"
+    )
+
+
+@pytest.mark.django_db
+def test_access_protected_resource(api_client, user_instance_token):
+    api_client.credentials(HTTP_AUTHORIZATION=f'Token {user_instance_token.key}')
+
+    url = reverse('products-api-list')
+    response = api_client.get(url)
+    assert response.status_code == 200
+
+
+def test_access_protected_resource_without_authentication(api_client):
+    url = reverse('products-api-list')
+    response = api_client.get(url)
+
+    assert response.status_code == 401
+
+
+@pytest.mark.django_db
+def test_product_detail(api_client, user_instance_token, create_product):
+    api_client.credentials(HTTP_AUTHORIZATION=f'Token {user_instance_token.key}')
+
+    url = reverse('products-api-detail', kwargs={'pk': create_product.id})
+    response = api_client.get(url)
+
+    assert response.status_code == 200
+    assert response.data['id'] == create_product.id
+    assert response.data['name'] == "main product"
+    assert response.data['price'] == "11.00"
+    assert response.data['short_description'] == "short desc"
+    assert response.data['full_description'] == "full_description"
+
+
+@pytest.mark.django_db
+def test_create_product(api_client, user_instance_token, create_category):
+    api_client.credentials(HTTP_AUTHORIZATION=f'Token {user_instance_token.key}')
+
+    url = reverse('products-api-list')
+    data = {
+        'category': create_category.id,  # replace with an existing category ID
+        'name': 'Test Product',
+        'price': '19.99',
+        'short_description': 'Test short description',
+        'full_description': 'Test full description',
+    }
+    response = api_client.post(url, data, format='json')
+
+    assert response.status_code == 201
+    assert response.data['name'] == "Test Product"
+    assert response.data['price'] == "19.99"
+
+
+@pytest.mark.django_db
+def test_update_product(api_client, user_instance_token, create_product):
+    api_client.credentials(HTTP_AUTHORIZATION=f'Token {user_instance_token.key}')
+
+    url = reverse('products-api-detail', kwargs={'pk': create_product.id})
+    data = {'name': 'Updated product name'}
+    response = api_client.patch(url, data, format='json')
+
+    assert response.status_code == 200
+    assert response.data['name'] == "Updated product name"
+    assert response.data['short_description'] == "short desc"

Dshop/pyproject.toml

@@ -21,6 +21,7 @@ django-tinymce = "^3.6.1"
 dj-shop-cart = "^7.0.3"
 djangorestframework="3.14.0"
 drf-spectacular="0.26.5"
+django-filter = "^23.5"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.0"