1 files changed, 28 insertions, 0 deletions
diff --git a/app/services/todos/destroy/design_service.rb b/app/services/todos/destroy/design_service.rb
new file mode 100644
index 00000000000..a375d659159
--- /dev/null
+++ b/app/services/todos/destroy/design_service.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module Todos
+  module Destroy
+    # Service class for deleting todos that belongs to a deleted/archived design.
+    class DesignService
+      attr_reader :design_ids
+
+      def initialize(design_ids)
+        @design_ids = design_ids
+      end
+
+      def execute
+        todos.delete_all
+      end
+
+      private
+
+      def todos
+        Todo.for_target(deleted_designs.select(:design_id)).for_type(DesignManagement::Design)
+      end
+
+      def deleted_designs
+        DesignManagement::Action.by_design(design_ids).by_event(:deletion)
+      end
+    end
+  end
+end