# frozen_string_literal: true

class SchedulePopulateVulnerabilityFeedbackPipelineId < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false
  INTERVAL = 2.minutes.to_i
  BATCH_SIZE = 100
  MIGRATION = 'PopulateVulnerabilityFeedbackPipelineId'

  disable_ddl_transaction!

  def up
    return unless Gitlab.ee?

    vulnerability_feedback = exec_query <<~SQL
      SELECT DISTINCT "vulnerability_feedback"."project_id"
      FROM "vulnerability_feedback"
      WHERE "vulnerability_feedback"."pipeline_id" IS NULL
      ORDER BY "vulnerability_feedback"."project_id" ASC
    SQL

    return if vulnerability_feedback.rows.blank?

    vulnerability_feedback.rows.flatten.in_groups_of(BATCH_SIZE, false).each_with_index do |project_ids, index|
      migrate_in(index * INTERVAL, MIGRATION, [project_ids])
    end
  end

  def down
    # no-op
  end
end