.

atlas/views.py

@@ -906,7 +906,6 @@ class QuestionSchemaDelete(AuthorOrCheckerRequiredMixin, DeleteView):
     model = QuestionSchema
     template_name = "confirm_delete.html"
 
-
 class FindingUpdate(RevisionMixin, LoginRequiredMixin, UpdateView):
     model = Finding
     form_class = FindingForm
@@ -3061,3 +3060,42 @@ def remove_case_from_collection(request, case_pk, collection_pk):
     collection.cases.remove(case)
     
     return HttpResponse(f"Case removed from collection: {collection.name}")
+
+
+def linked_cases_overview(request, case_id):
+    """
+    View to display an overview of linked cases via the previous_case field.
+    """
+    # Get the current case
+    case = get_object_or_404(Case, pk=case_id)
+
+    # Traverse backward to get all previous cases
+    previous_cases = []
+    try:
+        current_case = case.previous_case
+        while current_case:
+            previous_cases.insert(0, current_case)  # Insert at the beginning to maintain order
+            current_case = current_case.previous_case
+    except ObjectDoesNotExist:
+        pass
+
+    # Traverse forward to get all next cases
+    next_cases = []
+    try:
+        current_case = case.next_case
+        while current_case:
+            next_cases.append(current_case)
+            current_case = current_case.next_case
+    except ObjectDoesNotExist:
+        pass
+
+    # Render the template with the linked cases
+    return render(
+        request,
+        "atlas/linked_cases_overview.html",
+        {
+            "case": case,
+            "previous_cases": previous_cases,
+            "next_cases": next_cases,
+        },
+    )