json.username user.full_name
json.real_name user.real_name
json.login user.login
json.user_id user.id
json.image_url url_to_avatar(user)
json.admin user.admin?
json.business user.business?
json.is_teacher user.user_extension&.teacher?
json.user_identity user.identity
json.tidding_count 0
json.user_phone_binded user.phone.present?
json.phone user.phone
json.profile_completed user.profile_completed?
json.professional_certification user.professional_certification