debian-mirror-gitlab/app/services/issuable/clone/attributes_rewriter.rb
2020-11-24 15:15:51 +05:30

130 lines
4 KiB
Ruby

# frozen_string_literal: true
module Issuable
module Clone
class AttributesRewriter < ::Issuable::Clone::BaseService
def initialize(current_user, original_entity, new_entity)
@current_user = current_user
@original_entity = original_entity
@new_entity = new_entity
end
def execute
update_attributes = { labels: cloneable_labels }
milestone = matching_milestone(original_entity.milestone&.title)
update_attributes[:milestone] = milestone if milestone.present?
new_entity.update(update_attributes)
copy_resource_label_events
copy_resource_weight_events
copy_resource_milestone_events
copy_resource_state_events
end
private
def matching_milestone(title)
return if title.blank? || !new_entity.supports_milestone?
params = { title: title, project_ids: new_entity.project&.id, group_ids: group&.id }
milestones = MilestonesFinder.new(params).execute
milestones.first
end
def cloneable_labels
params = {
project_id: new_entity.project&.id,
group_id: group&.id,
title: original_entity.labels.select(:title),
include_ancestor_groups: true
}
params[:only_group_labels] = true if new_parent.is_a?(Group)
LabelsFinder.new(current_user, params).execute
end
def copy_resource_label_events
copy_events(ResourceLabelEvent.table_name, original_entity.resource_label_events) do |event|
event.attributes
.except('id', 'reference', 'reference_html')
.merge(entity_key => new_entity.id, 'action' => ResourceLabelEvent.actions[event.action])
end
end
def copy_resource_weight_events
return unless both_respond_to?(:resource_weight_events)
copy_events(ResourceWeightEvent.table_name, original_entity.resource_weight_events) do |event|
event.attributes
.except('id', 'reference', 'reference_html')
.merge('issue_id' => new_entity.id)
end
end
def copy_resource_milestone_events
return unless milestone_events_supported?
copy_events(ResourceMilestoneEvent.table_name, original_entity.resource_milestone_events) do |event|
if event.remove?
event_attributes_with_milestone(event, nil)
else
matching_destination_milestone = matching_milestone(event.milestone_title)
event_attributes_with_milestone(event, matching_destination_milestone) if matching_destination_milestone.present?
end
end
end
def copy_resource_state_events
return unless state_events_supported?
copy_events(ResourceStateEvent.table_name, original_entity.resource_state_events) do |event|
event.attributes
.except('id')
.merge(entity_key => new_entity.id,
'state' => ResourceStateEvent.states[event.state])
end
end
def event_attributes_with_milestone(event, milestone)
event.attributes
.except('id')
.merge(entity_key => new_entity.id,
'milestone_id' => milestone&.id,
'action' => ResourceMilestoneEvent.actions[event.action],
'state' => ResourceMilestoneEvent.states[event.state])
end
def copy_events(table_name, events_to_copy)
events_to_copy.find_in_batches do |batch|
events = batch.map do |event|
yield(event)
end.compact
Gitlab::Database.bulk_insert(table_name, events) # rubocop:disable Gitlab/BulkInsert
end
end
def entity_key
new_entity.class.name.underscore.foreign_key
end
def milestone_events_supported?
both_respond_to?(:resource_milestone_events)
end
def state_events_supported?
both_respond_to?(:resource_state_events)
end
def both_respond_to?(method)
original_entity.respond_to?(method) &&
new_entity.respond_to?(method)
end
end
end
end