115 lines
3.6 KiB
Ruby
115 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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module Projects
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class ForkService < BaseService
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def execute(fork_to_project = nil)
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if fork_to_project
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link_existing_project(fork_to_project)
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else
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fork_new_project
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end
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end
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private
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def allowed_fork?
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current_user.can?(:fork_project, @project)
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end
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def link_existing_project(fork_to_project)
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return if fork_to_project.forked?
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build_fork_network_member(fork_to_project)
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if link_fork_network(fork_to_project)
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# A forked project stores its LFS objects in the `forked_from_project`.
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# So the LFS objects become inaccessible, and therefore delete them from
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# the database so they'll get cleaned up.
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#
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# TODO: refactor this to get the correct lfs objects when implementing
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# https://gitlab.com/gitlab-org/gitlab-ce/issues/39769
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fork_to_project.lfs_objects_projects.delete_all
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fork_to_project
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end
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end
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def fork_new_project
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new_params = {
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visibility_level: allowed_visibility_level,
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description: @project.description,
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name: target_name,
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path: target_path,
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shared_runners_enabled: @project.shared_runners_enabled,
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namespace_id: target_namespace.id,
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fork_network: fork_network,
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# We need to assign the fork network membership after the project has
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# been instantiated to avoid ActiveRecord trying to create it when
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# initializing the project, as that would cause a foreign key constraint
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# exception.
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relations_block: -> (project) { build_fork_network_member(project) }
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}
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if @project.avatar.present? && @project.avatar.image?
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new_params[:avatar] = @project.avatar
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end
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new_params.merge!(@project.object_pool_params)
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new_project = CreateService.new(current_user, new_params).execute
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return new_project unless new_project.persisted?
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# Set the forked_from_project relation after saving to avoid having to
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# reload the project to reset the association information and cause an
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# extra query.
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new_project.forked_from_project = @project
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builds_access_level = @project.project_feature.builds_access_level
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new_project.project_feature.update(builds_access_level: builds_access_level)
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new_project
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end
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def fork_network
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@fork_network ||= @project.fork_network || @project.build_root_of_fork_network
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end
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def build_fork_network_member(fork_to_project)
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if allowed_fork?
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fork_to_project.build_fork_network_member(forked_from_project: @project,
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fork_network: fork_network)
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else
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fork_to_project.errors.add(:forked_from_project_id, 'is forbidden')
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end
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end
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def link_fork_network(fork_to_project)
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return if fork_to_project.errors.any?
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fork_to_project.fork_network_member.save &&
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refresh_forks_count
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end
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def refresh_forks_count
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Projects::ForksCountService.new(@project).refresh_cache
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end
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def target_path
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@target_path ||= @params[:path] || @project.path
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end
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def target_name
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@target_name ||= @params[:name] || @project.name
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end
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def target_namespace
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@target_namespace ||= @params[:namespace] || current_user.namespace
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end
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def allowed_visibility_level
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target_level = [@project.visibility_level, target_namespace.visibility_level].min
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Gitlab::VisibilityLevel.closest_allowed_level(target_level)
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end
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end
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end
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