module Projects class ForkService < BaseService def execute(fork_to_project = nil) if fork_to_project link_existing_project(fork_to_project) else fork_new_project end end private def link_existing_project(fork_to_project) return if fork_to_project.forked? link_fork_network(fork_to_project) fork_to_project end def fork_new_project new_params = { forked_from_project_id: @project.id, visibility_level: allowed_visibility_level, description: @project.description, name: @project.name, path: @project.path, shared_runners_enabled: @project.shared_runners_enabled, namespace_id: target_namespace.id } if @project.avatar.present? && @project.avatar.image? new_params[:avatar] = @project.avatar end new_project = CreateService.new(current_user, new_params).execute return new_project unless new_project.persisted? builds_access_level = @project.project_feature.builds_access_level new_project.project_feature.update_attributes(builds_access_level: builds_access_level) link_fork_network(new_project) new_project end def fork_network if @project.fork_network @project.fork_network elsif forked_from_project = @project.forked_from_project # TODO: remove this case when all background migrations have completed # this only happens when a project had a `forked_project_link` that was # not migrated to the `fork_network` relation forked_from_project.fork_network || forked_from_project.create_root_of_fork_network else @project.create_root_of_fork_network end end def link_fork_network(fork_to_project) fork_network.fork_network_members.create(project: fork_to_project, forked_from_project: @project) # TODO: remove this when ForkedProjectLink model is removed unless fork_to_project.forked_project_link fork_to_project.create_forked_project_link(forked_to_project: fork_to_project, forked_from_project: @project) end refresh_forks_count end def refresh_forks_count Projects::ForksCountService.new(@project).refresh_cache end def target_namespace @target_namespace ||= @params[:namespace] || current_user.namespace end def allowed_visibility_level target_level = [@project.visibility_level, target_namespace.visibility_level].min Gitlab::VisibilityLevel.closest_allowed_level(target_level) end end end