1 files changed, 23 insertions, 0 deletions
diff --git a/app/models/resource_timebox_event.rb b/app/models/resource_timebox_event.rb
new file mode 100644
index 00000000000..44f48915425
--- /dev/null
+++ b/app/models/resource_timebox_event.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class ResourceTimeboxEvent < ResourceEvent
+  self.abstract_class = true
+
+  include IssueResourceEvent
+  include MergeRequestResourceEvent
+
+  validate :exactly_one_issuable
+
+  enum action: {
+    add: 1,
+    remove: 2
+  }
+
+  def self.issuable_attrs
+    %i(issue merge_request).freeze
+  end
+
+  def issuable
+    issue || merge_request
+  end
+end