[英]Rails friendly_id gem for pretty url
有没有办法使friendly_id动态化,如下所示,以便根据用户模型中的属性(next_language),我可以调整url的外观。 我正在使用设计。 理想情况下,我希望控制器处理此逻辑,但无法考虑如何执行。 下面的错误出了错,因为lang模型不了解current_user。
lang模型:
class Lang < ActiveRecord::Base
if current_user.next_language == "English"
extend FriendlyId
friendly_id :english
end
if current_user.next_language == "Spanish"
extend FriendlyId
friendly_id :spanish
end
end
这是有人注册时生成的示例用户记录:
User.find(5)
User Load (0.9ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 LIMIT 1 [["id", 5]]
=> #<User id: 5, email: "mtcrts71@gmail.com", encrypted_password: "$2a$10$ZRBXllLt7lmU7YUuCV62.OzlaaleE/XnV4yzQwJtSN9f...", confirmation_token: nil, confirmed_at: "2014-07-19 17:48:29", confirmation_sent_at: "2014-07-19 17:46:15", reset_password_token: nil, reset_password_sent_at: nil, remember_created_at: nil, sign_in_count: 1, current_sign_in_at: "2014-07-19 17:48:29", last_sign_in_at: "2014-07-19 17:48:29", current_sign_in_ip: "127.0.0.1", last_sign_in_ip: "127.0.0.1", created_at: "2014-07-19 17:46:15", updated_at: "2014-07-19 17:48:29", next_language: "English", admin: false, unconfirmed_email: nil, bookmark: 1, bookmark2: 0, qscore: 0, quiz_flag: 0, total_quiz: 0, natives_language: "Spanish", fqscore: nil>
lang记录示例:
Lang.find(1)
Lang Load (0.8ms) SELECT "langs".* FROM "langs" WHERE "langs"."id" = $1 LIMIT 1 [["id", 1]]
=> #<Lang id: 1, english: "be", english_to_spanish: "ser", spanish: "una", spanish_to_english: "a", created_at: "2014-07-11 01:30:53", updated_at: "2014-07-11 01:30:53">
因此,基于以上内容,如果用户正在学习西班牙语,则网址可能如下所示:
http://localhost:3000/langs/una
或英语:
http://localhost:3000/langs/be
编辑以包括控制器和查看代码:
控制器:
class StaticPagesController < ApplicationController
def home
if user_signed_in?
@placemark = Lang.find(current_user.bookmark)
end
end
end
相关查看代码:
<%= link_to "Continue Learning!", lang_path(@placemark), class: "btn btn-large btn-primary"%>
按照文档,这应该起作用:
class Lang < ActiveRecord::Base
extend FriendlyId
friendly_id :determine_slug
private
def determine_slug
case current_user.next_language
when 'English' then :english
when 'Spanish' then :spanish
end
def current_user
Thread.current[:current_user]
end
end
在这里阅读如何将您的current_user
存储在Thread.current
: Rails中Thread.current []使用的安全性,并要注意一些折衷。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.