我是 Ruby on Rails 的新手，我想建立一个带有 facebook 和 twitter 的omniauth-devise 系统，作为我应用程序的一种登录方式。现在我几乎（我认为）即将让它运行起来。但是，我收到以下错误：
路由错误
未初始化的常量 AuthServicesController
尝试运行 rake 路线以获取有关可用路线的更多信息。
而且我无法继续登录。
我一直在网上做很多研究，但我找不到任何有相同或相似问题的人。
有人知道我是什么吗？我马上就完全迷路了。
非常感谢！
顺便说一句，我在 Services_controller.rb 中得到的所有代码如下：
此链接以漂亮的术语将您带到源代码http://www.sourcepod.com/ubfirz26-7741
class ServicesController < ApplicationController
before_filter :authenticate_user!, :except => [:create]
def index
# get all authentication services assigned to the current user
@services = current_user.services.all
end
def destroy
# remove an authentication service linked to the current user
@service = current_user.services.find(params[:id])
@service.destroy
redirect_to services_path
end
def create
# get the service parameter from the Rails router
params[:service] ? service_route = params[:service] : service_route = 'no service (invalid callback)'
# get the full hash from omniauth
omniauth = request.env['omniauth.auth']
# continue only if hash and parameter exist
if omniauth and params[:service]
# map the returned hashes to our variables first - the hashes differ for every service
# omniauth['extra']['raw_info'] o omniauth['extra']['raw_info'] . Aquest últim és el més modern
if service_route == 'facebook'
omniauth['extra']['raw_info']['email'] ? email = omniauth['extra']['raw_info']['email'] : email = ''
omniauth['extra']['raw_info']['name'] ? name = omniauth['extra']['raw_info']['name'] : name = ''
omniauth['extra']['raw_info']['id'] ? uid = omniauth['extra']['raw_info']['id'] : uid = ''
omniauth['provider'] ? provider = omniauth['provider'] : provider = ''
elsif service_route == 'github'
omniauth['user_info']['email'] ? email = omniauth['user_info']['email'] : email = ''
omniauth['user_info']['name'] ? name = omniauth['user_info']['name'] : name = ''
omniauth['extra']['raw_info']['id'] ? uid = omniauth['extra']['raw_info']['id'] : uid = ''
omniauth['provider'] ? provider = omniauth['provider'] : provider = ''
elsif service_route == 'twitter'
email = '' # Twitter API never returns the email address
#omniauth['user_info']['name'] ? name = omniauth['user_info']['name'] : name = ''
omniauth['info']['name'] ? name = omniauth['info']['name'] : name = ''
omniauth['uid'] ? uid = omniauth['uid'] : uid = ''
omniauth['provider'] ? provider = omniauth['provider'] : provider = ''
#elsif service_route == 'google'
# omniauth['user_info']['email'] ? email = omniauth['user_info']['email'] : email = ''
# omniauth['user_info']['name'] ? name = omniauth['user_info']['name'] : name = ''
# omniauth['uid'] ? uid = omniauth['uid'] : uid = ''
# omniauth['provider'] ? provider = omniauth['provider'] : provider = ''
else
# we have an unrecognized service, just output the hash that has been returned
render :text => omniauth.to_yaml
#render :text => uid.to_s + " - " + name + " - " + email + " - " + provider
return
end
# continue only if provider and uid exist
if uid != '' and provider != ''
# nobody can sign in twice, nobody can sign up while being signed in (this saves a lot of trouble)
if !user_signed_in?
# check if user has already signed in using this service provider and continue with sign in process if yes
auth = Service.find_by_provider_and_uid(provider, uid)
if auth
flash[:notice] = 'Signed in successfully via ' + provider.capitalize + '.'
sign_in_and_redirect(:user, auth.user)
else
# check if this user is already registered with this email address; get out if no email has been provided
if email != ''
# search for a user with this email address
existinguser = User.find_by_email(email)
if existinguser
# map this new login method via a service provider to an existing account if the email address is the same
existinguser.services.create(:provider => provider, :uid => uid, :uname => name, :uemail => email)
flash[:notice] = 'Sign in via ' + provider.capitalize + ' has been added to your account ' + existinguser.email + '. Signed in successfully!'
sign_in_and_redirect(:user, existinguser)
else
# let's create a new user: register this user and add this authentication method for this user
name = name[0, 39] if name.length > 39 # otherwise our user validation will hit us
# new user, set email, a random password and take the name from the authentication service
#user = User.new :email => email, :password => SecureRandom.hex(10), :fullname => name
user = User.new :email => email, :password => SecureRandom.hex(10), :name => name, :haslocalpw => false
# add this authentication service to our new user
# user.services.build(:provider => provider, :uid => uid, :uname => name, :uemail => email)
user.services.build(:provider => provider, :uid => uid, :uname => name, :uemail => email)
# do not send confirmation email, we directly save and confirm the new record
user.skip_confirmation!
user.save!
user.confirm!
# flash and sign in
flash[:myinfo] = 'Your account on CommunityGuides has been created via ' + provider.capitalize + '. In your profile you can change your personal information and add a local password.'
sign_in_and_redirect(:user, user)
end
else
flash[:error] = service_route.capitalize + ' can not be used to sign-up on CommunityGuides as no valid email address has been provided. Please use another authentication provider or use local sign-up. If you already have an account, please sign-in and add ' + service_route.capitalize + ' from your profile.'
redirect_to new_user_session_path
end
end
else
# the user is currently signed in
# check if this service is already linked to his/her account, if not, add it
auth = Service.find_by_provider_and_uid(provider, uid)
if !auth
current_user.services.create(:provider => provider, :uid => uid, :uname => name, :uemail => email)
flash[:notice] = 'Sign in via ' + provider.capitalize + ' has been added to your account.'
redirect_to services_path
else
flash[:notice] = service_route.capitalize + ' is already linked to your account.'
redirect_to services_path
end
end
else
flash[:error] = service_route.capitalize + ' returned invalid data for the user id.'
redirect_to new_user_session_path
end
else
flash[:error] = 'Error while authenticating via ' + service_route.capitalize + '.'
redirect_to new_user_session_path
end
end
end