Consultant Reports query within model

gistfile1.rb

 def self.reports(current_user)                                                                                                                                          
  select_fields = %w[
    consultant_reports.id consultant_reports.week
    teams.id teams.name admin_users.id admin_users.name
  ]
  group_fields = %w[ teams.name admin_users.name consultant_reports.week ]
  data = joins(:team, :admin_user).select(select_fields).group(group_fields)
  current_user.has_role?(:consultant) ?
    data.where('teams.admin_user_id = ?', current_user.id) : data
  end