feat: Dockerize and complete project

apps/products/views.py

@@ -0,0 +1,53 @@
+from django.shortcuts import get_object_or_404
+from django.views.generic import DetailView, ListView, TemplateView
+
+from .models import MainProduct, SubProduct
+
+
+class ProductOverviewView(ListView):
+    model = MainProduct
+    template_name = "products/overview.html"
+    context_object_name = "main_products"
+    queryset = MainProduct.objects.filter(is_active=True).prefetch_related(
+        "sub_products"
+    )
+
+
+class MainProductDetailView(DetailView):
+    model = MainProduct
+    template_name = "products/main_detail.html"
+    context_object_name = "main_product"
+    slug_url_kwarg = "main_slug"
+    queryset = MainProduct.objects.filter(is_active=True).prefetch_related(
+        "sub_products"
+    )
+
+
+class SubProductDetailView(TemplateView):
+    template_name = "products/sub_detail.html"
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        main_product = get_object_or_404(
+            MainProduct,
+            slug=self.kwargs["main_slug"],
+            is_active=True,
+        )
+        sub_product = get_object_or_404(
+            SubProduct,
+            slug=self.kwargs["sub_slug"],
+            main_product=main_product,
+            is_active=True,
+        )
+        context["main_product"] = main_product
+        context["sub_product"] = sub_product
+        context["articles"] = sub_product.articles.prefetch_related("sections").all()
+        context["siblings"] = (
+            SubProduct.objects.filter(
+                main_product=main_product,
+                is_active=True,
+            )
+            .exclude(pk=sub_product.pk)
+            .order_by("order", "name")
+        )
+        return context