1 files changed, 48 insertions, 0 deletions
diff --git a/lib/gitlab/jira/dvcs.rb b/lib/gitlab/jira/dvcs.rb
new file mode 100644
index 00000000000..4415f98fc7f
--- /dev/null
+++ b/lib/gitlab/jira/dvcs.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Jira
+    module Dvcs
+      ENCODED_SLASH = '@'.freeze
+      SLASH = '/'.freeze
+      ENCODED_ROUTE_REGEX = /[a-zA-Z0-9_\-\.#{ENCODED_SLASH}]+/.freeze
+
+      def self.encode_slash(path)
+        path.gsub(SLASH, ENCODED_SLASH)
+      end
+
+      def self.decode_slash(path)
+        path.gsub(ENCODED_SLASH, SLASH)
+      end
+
+      # To present two types of projects stored by Jira,
+      # Type 1 are projects imported prior to nested group support,
+      # those project names are not full_path, so they are presented differently
+      # to maintain backwards compatibility.
+      # Type 2 are projects imported after nested group support,
+      # those project names are encoded full path
+      #
+      # @param [Project] project
+      def self.encode_project_name(project)
+        if project.namespace.has_parent?
+          encode_slash(project.full_path)
+        else
+          project.path
+        end
+      end
+
+      # To interpret two types of project names stored by Jira (see `encode_project_name`)
+      #
+      # @param [String] project
+      #  Either an encoded full path, or just project name
+      # @param [String] namespace
+      def self.restore_full_path(namespace:, project:)
+        if project.include?(ENCODED_SLASH)
+          project.gsub(ENCODED_SLASH, SLASH)
+        else
+          "#{namespace}/#{project}"
+        end
+      end
+    end
+  end
+end