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path: root/lib/gitlab/cycle_analytics/plan_event.rb
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module Gitlab
  module CycleAnalytics
    class PlanEvent < BaseEvent
      @stage = :plan
      @start_time_attrs = issue_metrics_table[:first_associated_with_milestone_at]

      @end_time_attrs = [issue_metrics_table[:first_added_to_board_at],
                         issue_metrics_table[:first_mentioned_in_commit_at]]

      @projections = [mr_diff_table[:st_commits].as('commits'),
                      issue_metrics_table[:first_mentioned_in_commit_at]]

      class << self
        def query(base_query)
          base_query.join(mr_diff_table).on(mr_diff_table[:merge_request_id].eq(mr_table[:id]))
        end

        private

        def serialize(event, query)
          st_commit = first_time_reference_commit(event.delete('commits'), event)

          return unless st_commit

          serialize_commit(event, st_commit, query)
        end

        def first_time_reference_commit(commits, event)
          YAML.load(commits).find do |commit|
            next unless commit[:committed_date] && event['first_mentioned_in_commit_at']

            commit[:committed_date].to_i == DateTime.parse(event['first_mentioned_in_commit_at'].to_s).to_i
          end
        end

        def serialize_commit(event, st_commit, query)
          commit = Commit.new(Gitlab::Git::Commit.new(st_commit), @project)

          AnalyticsCommitSerializer.new(project: query.project, total_time: event['total_time']).represent(commit).as_json
        end
      end
    end
  end
end