gitlab-org--gitlab-foss/app/serializers/merge_request_metrics_helper.rb

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# frozen_string_literal: true
module MergeRequestMetricsHelper
# There are cases where where metrics object doesn't exist and it needs to be rebuilt.
# TODO: Once https://gitlab.com/gitlab-org/gitlab/-/issues/342508 has been resolved and
# all merge requests have metrics we can remove this helper method.
def build_metrics(merge_request)
# There's no need to query and serialize metrics data for merge requests that are not
# merged or closed.
return unless merge_request.merged? || merge_request.closed?
return merge_request.metrics if merge_request.merged? && merge_request.metrics&.merged_by_id
return merge_request.metrics if merge_request.closed? && merge_request.metrics&.latest_closed_by_id
build_metrics_from_events(merge_request)
end
private
def build_metrics_from_events(merge_request)
closed_event = merge_request.closed_event
merge_event = merge_request.merge_event
MergeRequest::Metrics.new(latest_closed_at: closed_event&.updated_at,
latest_closed_by: closed_event&.author,
merged_at: merge_event&.updated_at,
merged_by: merge_event&.author)
end
end