【Rails】Ajaxを用いた非同期フォロー機能の実装 - Qiita

ActiveRecord::Schema.define(version: 2020_04_05_115005) do create_table "relationships", force: :cascade do |t| t.integer "follower_id" t.integer "followed_id" t.datetime "created_at", null: false t.datetime "updated_at", null: false end end class User < ApplicationRecord devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable,:validatable has_many :books, dependen