debian-mirror-gitlab/lib/gitlab/diff/file_collection_sorter.rb
2021-02-22 17:27:13 +05:30

43 lines
947 B
Ruby

# frozen_string_literal: true
module Gitlab
module Diff
class FileCollectionSorter
attr_reader :diffs
def initialize(diffs)
@diffs = diffs
end
def sort
diffs.sort do |a, b|
compare_path_parts(path_parts(a), path_parts(b))
end
end
private
def path_parts(diff)
(diff.new_path.presence || diff.old_path).split(::File::SEPARATOR)
end
# Used for sorting the file paths by:
# 1. Directory name
# 2. Depth
# 3. File name
def compare_path_parts(a_parts, b_parts)
a_part = a_parts.shift
b_part = b_parts.shift
return 1 if a_parts.size < b_parts.size && a_parts.empty?
return -1 if a_parts.size > b_parts.size && b_parts.empty?
comparison = a_part <=> b_part
return comparison unless comparison == 0
compare_path_parts(a_parts, b_parts)
end
end
end
end