Rails 3.2`link_to`（在电子邮件中）与`method：：put'仍然产生GET请求

问题描述

在我的应用中，我有自动化的电子邮件提醒应用程序来完成面试过程的下一步。电子邮件有一个选择退出链接，当点击时，应该触发控制器动作，触发状态机事件将其状态更改为 opted_out 。链接不起作用，并且从本地主机控制台似乎是因为该链接仍然生成GET请求，对于该请求没有路由（错误是 ActionController :: RoutingError（Not Found））： ）。

In my app I have automated e-mails reminding applications to complete the next step in the interview process. The e-mail has an opt out link which, when clicked, should hit a controller action that fires a state machine event to change their state to opted_out. The link is not working, and from the localhost console it seems to be because the link is still producing a GET request, for which there is no route (the error is ActionController::RoutingError (Not Found):).

这是控制台显示不需要的GET请求：

Here is the console displaying the undesired GET request:

Started GET "/worker/application/opt_out.1" for 10.0.2.2 at 2014-08-29 17:08:06 +0000
Processing by LandingController#show as 
  Parameters: {"category"=>"worker/application", "location"=>"opt_out"}

这里是链接：

link_to 'stop getting these reminders', opt_out_worker_application_url(@worker), method: :put, style: 'background-color: #fff; color: #56A0D3; display: inline-block; margin-bottom: 5px; margin: 0px; padding: 0px; text-decoration: none'

以下是 worker 命名空间：

# routes.rb

  namespace :worker do
    resource :application, only: [:create, :new, :show] do
      member do 
        put 'opt_out' => 'application#opt_out'
      end
    end
    resources :jobs do
      member do
        post 'compete' => 'jobs#compete'
        delete 'compete' => 'jobs#withdraw'
      end
      resources :comments, only: [:create]
      resources :timesheets, only: [:create, :new, :show]
    end
    resources :banks, only: [:create, :new, :destroy]
    scope 'money' do
      root to: 'money#index', as: 'money'
      post 'withdraw' => 'money#withdraw', as: 'money_withdraw'
    end
    get 'profile' => 'profiles#show'
    root to: 'jobs#index'
  end

这是控制器操作：

# applications_controller.rb

      def opt_out
        @worker = Worker.find(params[:id])
        if @worker.interview_requested? or @worker.onboarding_requested?
          if @worker.fire_state_event(:opt_out)
            AdminsMailer.sweeper_opted_out(@worker.id)
            redirect_to root_url, notice: "You have successfully opted out of the application process. We're sorry to see you go, and hope you'll consider returning in the future!"
          else
            redirect_to root_url, alert: "There was a problem. Please contact Support if you need further assistance."
          end
        else
          redirect_to root_url, alert: "There was a problem. Please contact Support if you need further assistance."
        end
      end

这里是 rake routes ：

opt_out_worker_application PUT    /worker/application/opt_out(.:format)           worker/application#opt_out
                worker_application POST   /worker/application(.:format)                   worker/applications#create
            new_worker_application GET    /worker/application/new(.:format)               worker/applications#new
                                   GET    /worker/application(.:format)                   worker/applications#show

推荐答案

因为这是电子邮件环境中的链接。 ：

It's because this is a link in context of an email. It's documented behavior:

有安全理由不允许电子邮件中的可执行JavaScript以及表单。因此，不可能使用JS呈现一个表单，并执行 PUT 请求，所以这可以回到 GET

There are security reasons to disallow executable JavaScript in emails, as well as forms. Therefore, it's impossible to render a form with JS and execute a PUT request, so this falls back to GET as stated in citation above.

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