# == Schema Information # # Table name: chat_accounts # # id :bigint(8) not null, primary key # account_id :bigint(8) not null # tag_id :bigint(8) not null # created_at :datetime not null # updated_at :datetime not null # class ChatAccount < ApplicationRecord belongs_to :account, inverse_of: :chat_accounts belongs_to :tag, inverse_of: :chat_accounts validates :account_id, uniqueness: { scope: :tag_id } end