Cache merged and closed events data in merge_request_metrics table

1 files changed, 19 insertions, 0 deletions

diff --git a/app/services/merge_request_metrics_service.rb b/app/services/merge_request_metrics_service.rb
new file mode 100644
index 00000000000..9248de14a53
--- /dev/null
+++ b/app/services/merge_request_metrics_service.rb
@@ -0,0 +1,19 @@
+class MergeRequestMetricsService
+  delegate :update!, to: :@merge_request_metrics
+
+  def initialize(merge_request_metrics)
+    @merge_request_metrics = merge_request_metrics
+  end
+
+  def merge(event)
+    update!(merged_by_id: event.author_id, merged_at: event.created_at)
+  end
+
+  def close(event)
+    update!(latest_closed_by_id: event.author_id, latest_closed_at: event.created_at)
+  end
+
+  def reopen
+    update!(latest_closed_by_id: nil, latest_closed_at: nil)
+  end
+end