class ChatName < ActiveRecord::Base
belongs_to :service
belongs_to :user
validates :user, presence: true
validates :service, presence: true
validates :team_id, presence: true
validates :chat_id, presence: true
validates :user_id, uniqueness: { scope: [:service_id] }
validates :chat_id, uniqueness: { scope: [:service_id, :team_id] }
end