質問編集履歴
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コードを追記しました
test
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File without changes
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test
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@@ -29,3 +29,143 @@
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やはり同じエラーが出てしまいました。
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なぜでしょうか。
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失礼いたしました。
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##該当するソースコード
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▼ User.rb
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```Ruby
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class User < ApplicationRecord
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# Include default devise modules. Others available are:
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# :confirmable, :lockable, :timeoutable and :omniauthable
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50
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devise :database_authenticatable, :registerable,
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:recoverable, :rememberable, :trackable, :validatable,
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:omniauthable
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class << self
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def find_for_facebook_oauth(auth)
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where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
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user.email = auth.info.email
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user.password = Devise.friendly_token[0,20]
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68
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user.name = auth.info.name
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end
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end
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def create_unique_string
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SecureRandom.uuid
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end
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def create_unique_email
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User.create_unique_string + "@example.com"
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end
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end
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end
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```
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▼ users/omniauth_callbacks_controller.rb
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```Ruby
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class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
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def facebook
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@user = User.find_for_facebook_oauth(request.env["omniauth.auth"])
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if @user.persisted?
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sign_in_and_redirect @user, :event => :authentication
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set_flash_message(:notice, :success, :kind => "Facebook") if is_navigational_format?
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else
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session["devise.facebook_data"] = request.env["omniauth.auth"]
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redirect_to new_user_registration_url
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end
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end
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end
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```
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▼ Devise.rb
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```Ruby
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Devise.setup do |config|
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config.omniauth :facebook, ENV['FACEBOOK_APP_ID'], ENV['FACEBOOK_APP_SECRET']
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end
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```
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143
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▼ .env
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```ここに言語を入力
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FACEBOOK_APP_ID="XXXXXXXXX"
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FACEBOOK_APP_SECRET="XXXXXXXXXXXXXX"
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```
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▼ routes.rb
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158
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```Ruby
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160
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Rails.application.routes.draw do
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devise_for :users, controllers: { sessions: 'users/sessions', registrations: 'users/registrations', omniauth_callbacks: 'users/omniauth_callbacks' }
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164
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root 'pages#index'
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get 'pages/show'
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end
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```
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