为安装的 Rails 引擎设置 default_url_options [英] Setting default_url_options for mounted Rails engine

问题描述

使用 rails 3.2.13 和 spree 2.0.2
我遇到了与动态范围下的Rails可安装引擎

Using rails 3.2.13 and spree 2.0.2
I've encountered the similar problem as in Rails mountable engine under a dynamic scope

我的路线:

scope ':locale', locale: /en|jp/ do
  mount Spree::Core::Engine, at: '/store'
  root to: 'home#index'
end

我想输出链接以更改语言环境:

I want to output link to change locale:

<%= link_to 'JP', url_for(locale: :jp) %>

但是这个输出:

<a href="/en/store/?locale=jp">JP</a>

而不是预期:

<a href="/jp/store">JP</a>

-- 编辑 --

当我放入 ApplicationController 时:

def default_url_options(options={})
  { locale: I18n.locale }
end

它在 store 中设置 locale params 两次而不是合并它们:

it sets locale params in store twice instead of merging them:

http://localhost:3000/en/store/products/bag?locale=en

推荐答案

面临完全相同的问题，我已经找到了解决方案...

Faced exactly the same problem and I have found a solution for that...

这是我的 application_controller-File(我的引擎继承自这个文件(它是 Main Apps ApplicationController，所以我没有代码重复)

Here is my application_controller-File (my engines inherit from this file (which is the Main Apps ApplicationController, so that I don't have code-duplication)

#!/bin/env ruby
# encoding: utf-8
class ApplicationController < ActionController::Base
  # Prevent CSRF attacks by raising an exception.
  # For APIs, you may want to use :null_session instead.
  protect_from_forgery with: :exception

  before_filter :set_locale_from_params

  def url_options
    { locale: I18n.locale }
  end

  protected
    def set_locale_from_params
      if params[:locale]
        if I18n.available_locales.include?(params[:locale].to_sym)
          I18n.locale = params[:locale]
        else
          flash.now[:notice] = 'Translation not available'
          logger.error flash.now[:notice]
        end
      end
    end
end

请注意，url_options-code 在受保护部分之外.它必须是公开的.

Note, that the url_options-code is outside the protected part. It has to be public.

在这里找到解决方案的技巧:default_url_options 和 rails 3

Found the tipps for the solution here: default_url_options and rails 3

希望能帮到你

问候

菲利普

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