1 files changed, 36 insertions, 0 deletions
diff --git a/app/services/resource_events/change_state_service.rb b/app/services/resource_events/change_state_service.rb
new file mode 100644
index 00000000000..8beb76d8aee
--- /dev/null
+++ b/app/services/resource_events/change_state_service.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module ResourceEvents
+  class ChangeStateService
+    attr_reader :resource, :user
+
+    def initialize(user:, resource:)
+      @user, @resource = user, resource
+    end
+
+    def execute(state)
+      ResourceStateEvent.create(
+        user: user,
+        issue: issue,
+        merge_request: merge_request,
+        state: ResourceStateEvent.states[state],
+        created_at: Time.zone.now)
+
+      resource.expire_note_etag_cache
+    end
+
+    private
+
+    def issue
+      return unless resource.is_a?(Issue)
+
+      resource
+    end
+
+    def merge_request
+      return unless resource.is_a?(MergeRequest)
+
+      resource
+    end
+  end
+end