gitlab-org--gitlab-foss/app/services/labels/transfer_service.rb
2016-10-19 14:58:27 -02:00

55 lines
1.5 KiB
Ruby

# Labels::TransferService class
#
# User for recreate the missing group labels at project level
#
module Labels
class TransferService
def initialize(current_user, group, project)
@current_user = current_user
@group = group
@project = project
end
def execute
return unless group.present?
Label.transaction do
labels_to_transfer = Label.where(id: label_links.select(:label_id))
labels_to_transfer.find_each do |label|
new_label_id = find_or_create_label!(label)
next if new_label_id == label.id
LabelLink.where(label_id: label.id).update_all(label_id: new_label_id)
LabelPriority.where(project_id: project.id, label_id: label.id).update_all(label_id: new_label_id)
end
end
end
private
attr_reader :current_user, :group, :project
def label_links
label_link_ids = []
label_link_ids << LabelLink.where(target: project.issues, label: group.labels).select(:id)
label_link_ids << LabelLink.where(target: project.merge_requests, label: group.labels).select(:id)
union = Gitlab::SQL::Union.new(label_link_ids)
LabelLink.where("label_links.id IN (#{union.to_sql})")
end
def labels
@labels ||= LabelsFinder.new(current_user, project_id: project.id).execute
end
def find_or_create_label!(label)
new_label = labels.find_by(title: label.title)
new_label ||= project.labels.create!(label.attributes.slice("title", "description", "color"))
new_label.id
end
end
end