feat: add view for mitigation curation

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulnerabilities/views.py

@@ -1219,3 +1219,29 @@ def get_context_data(self, **kwargs):
         context["vulnerability_id"] = todo.alias
         context["curation_items"] = json.dumps(todo.issue_detail["curation_items"])
         return context
+
+
+class AdvisoryMitigationCurationView(DetailView):
+    model = AdvisoryToDoV2
+    template_name = "mitigation_curation.html"
+    slug_url_kwarg = "todo_id"
+    slug_field = "todo_id"
+
+    def get_queryset(self):
+        return super().get_queryset().filter(issue_type="MISSING_FIXED_BY_PACKAGE")
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        todo = self.object
+
+        context["advisory_summaries"] = {
+            adv.avid: adv.summary for adv in todo.advisories.all() if adv.summary.strip()
+        }
+        context["avid"] = next(iter(context["advisory_summaries"]))
+        context["curation_items"] = [
+            a.base_purl
+            for a in todo.advisories.first().impacted_packages.filter(
+                fixed_by_packages__isnull=True
+            )
+        ]
+        return context