未定义的方法`session_path' [英] undefined method `session_path'

问题描述

我使用的是Rails + Devise + OmniAuth + Google OAuth2。

我的用户模型（user.rb）包含：

  devise：registerable，：omniauthable，：omniauth_providers => [：google_oauth2] 
  

我的路线看起来像：

  Rails.application.routes.draw do 
 devise_for：users，controllers：{omniauth_callbacks：'omniauth_callbacks'} 
 devise_scope：user do 
 get'sign_in'，：to => 'devise / sessions＃new'，：as => ：new_user_session 
 post'sign_in'，：to => 'devise / session＃create'，：as => ：user_session 
 get'sign_out'，：to => 'devise / sessions＃destroy'，：as => ：destroy_user_session 
 end 
 
 get'services'，to：'static_pages＃services'
 get'my_account'，to：'my_account＃index'
 get'invite '，to：'邀请＃show'
 get'invite /：id'，to：'invite＃show'
 
 root'static_pages＃home'
 end 
  

当我去/ sign_in时，我收到一个例外：

$ b $对于＃<＃< Class：0x007f9b7173af28>：0x007f9b713d8da8>：

  undefined方法`session_path' 
  

in：

 code>〜/ .rvm / gems / ruby​​-2.1.1 / gems / devise-3.2.4 / app / views / devise / sessions / new.html.erb 
  

行：

 <％= form_for （resource，as：resource_name，url：session_path（resource_name））do | f | ％GT; 
  

如果我添加：database_authenticatable到user.rb它都开始工作，但我希望我的用户是只能通过Google OAuth2登录，所以我不想要：database_authenticable。看来session_path由于某种原因不可用，但我不知道为什么和如何使它可用。

谢谢，
Jen

解决方案

您需要重新启动rails服务器。这是我的解决方案。

I am using Rails + Devise + OmniAuth + Google OAuth2.

My user model (user.rb) contains:

devise :registerable, :omniauthable, :omniauth_providers => [:google_oauth2]

My routes.rb look like:

Rails.application.routes.draw do
  devise_for :users, controllers: { omniauth_callbacks: 'omniauth_callbacks' }
  devise_scope :user do
      get 'sign_in', :to => 'devise/sessions#new', :as => :new_user_session
      post 'sign_in', :to => 'devise/session#create', :as => :user_session
      get 'sign_out', :to => 'devise/sessions#destroy', :as => :destroy_user_session
  end

  get 'services', to: 'static_pages#services'
  get 'my_account', to: 'my_account#index'
  get 'invite', to: 'invite#show'
  get 'invite/:id', to: 'invite#show'

  root 'static_pages#home'
end

When I go to /sign_in, I get an exception like:

undefined method `session_path' for #<#<Class:0x007f9b7173af28>:0x007f9b713d8da8>

in:

~/.rvm/gems/ruby-2.1.1/gems/devise-3.2.4/app/views/devise/sessions/new.html.erb

in line:

<%= form_for(resource, as: resource_name, url: session_path(resource_name)) do |f| %>

If I add :database_authenticatable to user.rb it all starts working, but I want my users to be able to sign-in through Google OAuth2 only, so I don't want :database_authenticable. It looks like session_path is not available for some reason, but I am not sure why and how to make it available.

Thanks, Jen

解决方案

You need to reboot the rails server. That was the solution for me.

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