gitlab-org--gitlab-foss/app/services/milestones/promote_service.rb
2019-03-28 16:18:23 +00:00

91 lines
2.9 KiB
Ruby

# frozen_string_literal: true
module Milestones
class PromoteService < Milestones::BaseService
PromoteMilestoneError = Class.new(StandardError)
def execute(milestone)
check_project_milestone!(milestone)
Milestone.transaction do
group_milestone = clone_project_milestone(milestone)
move_children_to_group_milestone(group_milestone)
# Destroy all milestones with same title across projects
destroy_old_milestones(milestone)
# Rollback if milestone is not valid
unless group_milestone.valid?
raise_error(group_milestone.errors.full_messages.to_sentence)
end
group_milestone
end
end
private
def milestone_ids_for_merge(group_milestone)
# Pluck need to be used here instead of select so the array of ids
# is persistent after old milestones gets deleted.
@milestone_ids_for_merge ||= begin
search_params = { title: group_milestone.title, project_ids: group_project_ids, state: 'all' }
milestones = MilestonesFinder.new(search_params).execute
milestones.pluck_primary_key
end
end
def move_children_to_group_milestone(group_milestone)
milestone_ids_for_merge(group_milestone).in_groups_of(100, false) do |milestone_ids|
update_children(group_milestone, milestone_ids)
end
end
def check_project_milestone!(milestone)
raise_error('Only project milestones can be promoted.') unless milestone.project_milestone?
end
def clone_project_milestone(milestone)
params = milestone.slice(:title, :description, :start_date, :due_date, :state_event)
create_service = CreateService.new(group, current_user, params)
milestone = create_service.execute
# milestone won't be valid here because of duplicated title
milestone.save(validate: false)
milestone
end
# rubocop: disable CodeReuse/ActiveRecord
def update_children(group_milestone, milestone_ids)
issues = Issue.where(project_id: group_project_ids, milestone_id: milestone_ids)
merge_requests = MergeRequest.where(source_project_id: group_project_ids, milestone_id: milestone_ids)
[issues, merge_requests].each do |issuable_collection|
issuable_collection.update_all(milestone_id: group_milestone.id)
end
end
# rubocop: enable CodeReuse/ActiveRecord
def group
@group ||= parent.group || raise_error('Project does not belong to a group.')
end
# rubocop: disable CodeReuse/ActiveRecord
def destroy_old_milestones(milestone)
Milestone.where(id: milestone_ids_for_merge(milestone)).destroy_all # rubocop: disable DestroyAll
end
# rubocop: enable CodeReuse/ActiveRecord
def group_project_ids
group.projects.select(:id)
end
def raise_error(message)
raise PromoteMilestoneError, "Promotion failed - #{message}"
end
end
end