我有一個has_and_belongs_to_many在用戶和工作區之間使用has_many。 user.rb class User < ActiveRecord::Base
has_many :user_workspaces, dependent: :destroy
has_many :workspaces, through: :user_workspaces
be
我有我的Artist和Group模型之間的HMT關聯安裝: class Artist < ApplicationRecord
has_many :artist_groups, dependent: :destroy
has_many :artist_groups, through: :artist_groups
end
class ArtistGroup < Applic