initial commit

apps/products/views.py

@@ -0,0 +1,155 @@
+import mimetypes
+
+from django.http import FileResponse, Http404
+from django.shortcuts import get_object_or_404
+from django.views import View
+from django.views.generic import DetailView, ListView, TemplateView
+
+from .models import Article, ArticleCitation, ArticleSection, MainProduct, ProductVideo, SubProduct, SubProductVersion
+from .release_assets import FILE_FIELD_BY_ASSET_KEY, RELEASE_ASSET_KEYS, URL_FIELD_BY_ASSET_KEY
+from .release_context import build_archive_context, build_release_context
+
+
+class ReleaseAssetDownloadView(View):
+    def get(self, request, version_id, asset):
+        if asset not in RELEASE_ASSET_KEYS:
+            raise Http404
+        version = get_object_or_404(SubProductVersion, pk=version_id, is_active=True)
+        parent = version.sub_product or version.main_product
+        if parent is None or not parent.is_active:
+            raise Http404
+        url_field = URL_FIELD_BY_ASSET_KEY[asset]
+        if (getattr(version, url_field) or "").strip():
+            raise Http404
+        file_field = FILE_FIELD_BY_ASSET_KEY[asset]
+        release_file = getattr(version, file_field)
+        if not release_file:
+            raise Http404
+        filename = version.release_download_filename(asset)
+        content_type, _ = mimetypes.guess_type(filename)
+        return FileResponse(
+            release_file.open("rb"),
+            as_attachment=True,
+            filename=filename,
+            content_type=content_type or "application/octet-stream",
+        )
+
+
+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"
+    )
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["articles"] = self.object.articles.prefetch_related(
+            "sections", "citations"
+        ).all()
+        context["product_videos"] = self.object.videos.filter(is_active=True).order_by("order")
+        release_context = build_release_context(
+            self.object.distribution,
+            self.object.versions.filter(is_active=True),
+            self.object,
+        )
+        release_context["versions_archive_url"] = self.object.get_versions_archive_url()
+        context.update(release_context)
+        return context
+
+
+class MainProductOlderVersionsView(TemplateView):
+    template_name = "products/versions_archive.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,
+        )
+        active_versions = main_product.versions.filter(is_active=True)
+        context["main_product"] = main_product
+        context["sub_product"] = None
+        context["product_detail_url"] = main_product.get_absolute_url()
+        context.update(
+            build_archive_context(
+                main_product.distribution, active_versions, main_product
+            )
+        )
+        return context
+
+
+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", "citations"
+        ).all()
+        context["product_videos"] = sub_product.videos.filter(is_active=True).order_by("order")
+        context["siblings"] = (
+            SubProduct.objects.filter(main_product=main_product, is_active=True)
+            .exclude(pk=sub_product.pk)
+            .order_by("order", "name")
+        )
+        active_versions = sub_product.versions.filter(is_active=True)
+        release_context = build_release_context(
+            sub_product.distribution, active_versions, sub_product
+        )
+        release_context["versions_archive_url"] = sub_product.get_versions_archive_url()
+        context.update(release_context)
+        return context
+
+
+class SubProductOlderVersionsView(TemplateView):
+    template_name = "products/versions_archive.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,
+        )
+        active_versions = sub_product.versions.filter(is_active=True)
+        context["main_product"] = main_product
+        context["sub_product"] = sub_product
+        context["product_detail_url"] = sub_product.get_absolute_url()
+        context.update(
+            build_archive_context(
+                sub_product.distribution, active_versions, sub_product
+            )
+        )
+        return context