gitlab-org--gitlab-foss/lib/gitlab/submodule_links.rb

47 lines
1.3 KiB
Ruby

# frozen_string_literal: true
module Gitlab
class SubmoduleLinks
include Gitlab::Utils::StrongMemoize
Urls = Struct.new(:web, :tree, :compare)
def initialize(repository)
@repository = repository
@cache_store = {}
end
def for(submodule, sha, diff_file = nil)
submodule_url = submodule_url_for(sha, submodule.path)
old_submodule_id = old_submodule_id(submodule_url, diff_file)
urls = SubmoduleHelper.submodule_links_for_url(submodule.id, submodule_url, repository, old_submodule_id)
Urls.new(*urls) if urls.any?
end
private
attr_reader :repository
def submodule_urls_for(sha)
@cache_store.fetch(sha) do
submodule_urls = repository.submodule_urls_for(sha)
@cache_store[sha] = submodule_urls
end
end
def submodule_url_for(sha, path)
urls = submodule_urls_for(sha)
urls && urls[path]
end
def old_submodule_id(submodule_url, diff_file)
return unless diff_file&.old_blob && diff_file&.old_content_sha
# if the submodule url has changed from old_sha to sha, a compare link does not make sense
#
old_submodule_url = submodule_url_for(diff_file.old_content_sha, diff_file.old_blob.path)
diff_file.old_blob.id if old_submodule_url == submodule_url
end
end
end