从Rails 3升级后不允许使用Rails 4方法 [英] Rails 4 Method Not Allowed after Upgrading from Rails 3

问题描述

我有一个现有的代码库，我正在尝试从Rails 3.2升级到Rails 4.0

I've got an existing codebase that I'm attempting to upgrade from Rails 3.2 to Rails 4.0

我有一个名为assets_controller的控制器，带有'create'方法，我的路线文件中有一个条目：

I have controller called assets_controller with a 'create' method and I have a an entry in my routes file:

resources :assets

在前端使用jQuery for ajax，如果我从浏览器向'/ assets'发送帖子请求，我得到405（方法不允许）：

Using jQuery for ajax on the front end, if I send a post request to '/assets' from a browser, I get 405 (Method Not Allowed):

$.ajax({method: 'POST', data: asset, url: '/assets' });

这在Rails 3中运行得很好，我似乎无法弄清楚问题是什么。

This worked just fine in Rails 3, and I can't seem to figure out what the issue is.

更新：

以下是我的控制器的简化版本：

Heres a simplified version of my controller:

class AssetsController < ApplicationController
  skip_before_filter :verify_authenticity_token 
    def create
        # params[:assets] is passed if a mass addition of assets (i.e. book) occurs
        assets = []
        if params[:assets]
          assets = params[:assets]
        else
          assets.push params
        end

        last_asset_id = 0

        assets.each do |asset_data|
          asset = Object.const_get(asset_data[:asset_type]).new(asset_data)
          if !asset.save
            json_false_errors(asset.errors.full_messages)
            return
          else
            last_asset_id = asset.id
          end
        end
      end
end

继承人'rake routes'的输出

Heres the output from 'rake routes'

 assets GET        /assets(.:format)                                        assets#index
                                          POST       /assets(.:format)                                        assets#create
                                new_asset GET        /assets/new(.:format)                                    assets#new
                               edit_asset GET        /assets/:id/edit(.:format)                               assets#edit
                                    asset GET        /assets/:id(.:format)                                    assets#show
                                          PATCH      /assets/:id(.:format)                                    assets#update
                                          PUT        /assets/:id(.:format)                                    assets#update
                                          DELETE     /assets/:id(.:format)                                    assets#destroy

继承我的开发日志：

Started POST "/assets" for 127.0.0.1 at 2015-05-27 09:39:42 -0400

（是的，这就是所有日志都有）

(yeah thats all the log has)

POST DATA：
{
asset_type：文档，
标题：DNS，
heading_id：9999，
受版权保护：false，
url： https://confidental.url ，
pubtitle：DNS，
作者：}

POST DATA: { "asset_type":"Document", "title":"DNS", "heading_id":9999, "copyrighted":false, "url":"https://confidental.url", "pubtitle":"DNS", "author":""}

另一个编辑：
我将整个路线文件注释掉以用于诊断目的s，这些是进行一些手动测试的结果：

Another I commented out my entire routes file for diagnostic purposes, these are the results of doing some manual testing:

POST http://localhost:8000/assets 405 (Method Not Allowed)
POST http://localhost:8000/asset 404 (Not Found)
POST http://localhost:8000/ass 404 (Not Found)

是rails 4中某种保留端点的资产吗？

is assets some sort of reserved endpoint in rails 4?

推荐答案

这不仅仅是关于资产这个词。当路径路径和资产目录位于同一子目录中时，Rails不喜欢。

This isn't just about the word assets. Rails does not like when a route path and the asset directory are in the same subdirectory.

在发布帖子请求时，您将获得方法允许。问题是路径和资产目录不能重叠。问题特别在于该路径中的 POST 请求。我假设在rails中的某个地方，他们必须已禁用资产目录的所有非GET请求。

When making a post request, you will get method not allowed. The problem is there can be no overlap with paths and the asset directory. The problem is specifically with POST requests in that path. I am assuming somewhere in rails, they must have disabled all non-GET requests for the assets directory.

在此非常下面简单的应用程序，你将得到方法不允许错误。因为路径 / welcome 用于路由和资产前缀。

In this very simple app below, you will get a method not allowed error. Because the path /welcomes is being used for a route and for an asset prefix.

文件： config / environment / development.rb

File: config/environment/development.rb

config.assets.prefix = '/welcomes'

文件： config / routes.rb

File: config/routes.rb

resources :welcomes, path: 'welcomes', only: ['index', 'create']

文件： app / controllers / welcome_controller.rb

File: app/controllers/welcomes_controller.rb

class WelcomesController < ApplicationController
  def index
    @welcome = 'hello';
  end

  def create
    @welcome = 'world';
  end
end

文件： app / views / welcome / index.html.rb

File: app/views/welcomes/index.html.rb

<%= form_for(@welcome) do |f| %>
    <%= f.submit 'Submit' %>
<% end %>

文件： app / views / welcome / create.html。 rb

File: app/views/welcomes/create.html.rb

<h1>Welcomes#create</h1>
<p>Find me in app/views/welcomes/create.html.erb</p>

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