如何从Facebook与omniauth获取时区？

问题描述

user.rb中的所有内容在注册后正确传递，但时区不同。我无法弄清楚为什么在尝试登录用户时出现这个错误：

  2016-03-30T20：13：38.083469 + 00：00 app [web.1]：NoMethodError（未定义的方法`timezone ='for＃< User：0x007fdd2976e338>）：
 2016-03-30T20： 13：38.083470 + 00：00 app [web.1]：app / models / user.rb：72：in`block in from_omniauth'
 2016-03-30T20：13：38.083471 + 00：00 app [web .1]：app / models / user.rb：66：在tap
 2016-03-30T20：13：38.083471 + 00：00 app [web.1]：app / models / user.rb： 66：在`from_omniauth'
 2016-03-30T20：13：38.083472 + 00：00 app [web.1]：app / controllers / sessions_controller.rb：7：在`facebook'
  

user.rb

  def self.from_omniauth（auth）
＃设置60天的auth令牌
 oauth = Koala :: Facebook :: OAuth.new（1540371223342976229929，ee917abf2e8f1c98274cd323fa1234ebb1346f4）＃假数字
 new_access_info = oauth.exchange_access_token_info auth.c redentials.token 
 
 new_access_token = new_access_info [access_token] 
 new_access_expires_at = DateTime.now + new_access_info [expires] to_i.seconds 
 
其中（provider ：auth.provider，uid：auth.uid）.first_or_initialize.tap do | user | 
 user.provider = auth.provider 
 user.image = auth.info.image 
 user.uid = auth.uid 
 user.name = auth.info.first_name 
 user.last_name = auth.info.last_name 
 user.timezone = auth.info.timezone 
 user.email = auth.info.email除非user.email.present？ 
 user.oauth_token = new_access_token＃auth.credentials.token<  - 您的旧令牌。不再需要了
 user.oauth_expires_at = Time.at（auth.credentials.expires_at）
 user.password =（0 ... 8）.map {（65 + rand（26））。chr} .join 
 user.activated = true 
 user.save！ 
 end 
 end 
  

config / omniauth.rb

  Rails.application.config.middleware.use OmniAuth :: Builder do 
 provider：facebook，1540324372976229929 ，ee917abf2e8423f1c98274cdfa234234ebb1346f4，{info_fields：'email，first_name，last_name，timezone'} 
 end 
  

t.floattimezone 说时区应该是 float 。

解决方案

p>它看起来像omniauth提供的auth哈希有一个不同于你正在使用的结构。尝试这样。

  user.timezone = auth.extra.raw_info.timezone 
  / pre> 
 
 
 ，可用于Facebook omniauth。
 
Everything in user.rb is passing correctly upon sign up except timezone. I can't figure out why I'm getting this error upon a user attempting to sign in:
2016-03-30T20:13:38.083469+00:00 app[web.1]:   NoMethodError (undefined method `timezone=' for #<User:0x007fdd2976e338>):
2016-03-30T20:13:38.083470+00:00 app[web.1]:   app/models/user.rb:72:in `block in from_omniauth'
2016-03-30T20:13:38.083471+00:00 app[web.1]:   app/models/user.rb:66:in `tap'
2016-03-30T20:13:38.083471+00:00 app[web.1]:   app/models/user.rb:66:in `from_omniauth'
2016-03-30T20:13:38.083472+00:00 app[web.1]:   app/controllers/sessions_controller.rb:7:in `facebook'
user.rb
  def self.from_omniauth(auth)
     # Sets 60 day auth token
     oauth = Koala::Facebook::OAuth.new("1540371223342976229929", "ee917abf2e8f1c98274cd323fa1234ebb1346f4") # Fake Numbers
     new_access_info = oauth.exchange_access_token_info auth.credentials.token

     new_access_token = new_access_info["access_token"]
     new_access_expires_at = DateTime.now + new_access_info["expires"].to_i.seconds

    where(provider: auth.provider, uid: auth.uid).first_or_initialize.tap do |user|
      user.provider = auth.provider
      user.image = auth.info.image
      user.uid = auth.uid
      user.name = auth.info.first_name
      user.last_name = auth.info.last_name
      user.timezone = auth.info.timezone
      user.email = auth.info.email unless user.email.present?
      user.oauth_token = new_access_token # auth.credentials.token <- your old token. Not needed anymore.
      user.oauth_expires_at = Time.at(auth.credentials.expires_at)
      user.password = (0...8).map { (65 + rand(26)).chr }.join
      user.activated = true
      user.save!
    end
  end
config/omniauth.rb
Rails.application.config.middleware.use OmniAuth::Builder do
  provider :facebook, "1540324372976229929", "ee917abf2e8423f1c98274cdfa234234ebb1346f4", {info_fields: 'email, first_name, last_name, timezone'}
end
t.float    "timezone" Facebook docs says timezone should be float.
 解决方案 
It looks like the auth hash provided by omniauth has a bit of a different structure than what you are using. Try this.
user.timezone = auth.extra.raw_info.timezone
Here is the hash structure that is available for Facebook omniauth.
                        
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