1 files changed, 29 insertions, 0 deletions
diff --git a/app/workers/pipeline_metrics_worker.rb b/app/workers/pipeline_metrics_worker.rb
new file mode 100644
index 00000000000..34f6ef161fb
--- /dev/null
+++ b/app/workers/pipeline_metrics_worker.rb
@@ -0,0 +1,29 @@
+class PipelineMetricsWorker
+  include Sidekiq::Worker
+  include PipelineQueue
+
+  def perform(pipeline_id)
+    Ci::Pipeline.find_by(id: pipeline_id).try do |pipeline|
+      update_metrics_for_active_pipeline(pipeline) if pipeline.active?
+      update_metrics_for_succeeded_pipeline(pipeline) if pipeline.success?
+    end
+  end
+
+  private
+
+  def update_metrics_for_active_pipeline(pipeline)
+    metrics(pipeline).update_all(latest_build_started_at: pipeline.started_at, latest_build_finished_at: nil)
+  end
+
+  def update_metrics_for_succeeded_pipeline(pipeline)
+    metrics(pipeline).update_all(latest_build_started_at: pipeline.started_at, latest_build_finished_at: pipeline.finished_at)
+  end
+
+  def metrics(pipeline)
+    MergeRequest::Metrics.where(merge_request_id: merge_requests(pipeline))
+  end
+
+  def merge_requests(pipeline)
+    pipeline.merge_requests.map(&:id)
+  end
+end