module Projects class ParticipantsService < BaseService def execute(note_type, note_id) participating = if note_type && note_id participants_in(note_type, note_id) else [] end project_members = sorted(project.team.members) participants = all_members + groups + project_members + participating participants.uniq end def participants_in(type, id) target = case type when "Issue" project.issues.find_by_iid(id) when "MergeRequest" project.merge_requests.find_by_iid(id) when "Commit" project.commit(id) end return [] unless target users = target.participants(current_user) sorted(users) end def sorted(users) users.uniq.to_a.compact.sort_by(&:username).map do |user| { username: user.username, name: user.name } end end def groups current_user.authorized_groups.sort_by(&:path).map do |group| count = group.users.count { username: group.path, name: group.name, count: count } end end def all_members count = project.team.members.flatten.count [{ username: "all", name: "All Project and Group Members", count: count }] end end end