Rails 3 - Passing models to another controller & losing stylesheets on render

Question

I am attempting to build a simple content management system using Twitter's Bootstrap for a small site and I'm running into an issue with the views.

Rails version is 3.0.10

I want to allow the user to create their own pages so I have a Pages controller that has all your standard RESTful methods. Since these can have crud applied to them, they can only be accessed by a logged-in administrator.

So... I have a Public controller that sets the @pages and @page instance variables and uses those to display them in the public Show view.

Here is the Public controller - pretty simple:

  def index
    @pages = Page.all
  end

  def show
    @pages = Page.all
    @page = Page.find(params[:id])    
  end

The reason that there is a @pages instance variable on the 'index' method is because I have a welcome page that loads and I'm passing in @pages to populate the navigation elements dynamically:

    <div class="nav-collapse">
          <ul class="nav">
            <li><%= link_to "Welcome", public_index_path, :class => 'active', :id => 'menu_home' %></li>

          <% @pages.each do |page| %>
             <li><%= link_to page.title, public_path(page) %></li>
          <% end %>           

          </ul>
   </div><!--/.nav-collapse -->

The content of the Public controller's 'show' method (which contains an individual page) is passed into the <%= yield %> statement in the applicaton.html.erb file:

<div class="container">    

  <%= yield %>
  <hr>

  <footer>
    <p>My site</p>
  </footer>

</div> <!-- /container -->

So far, this is working fine.

The problem is that when I click the link that takes me to the public_path(page) - I get the content as it should appear, but I lose all my styles. I'm actually getting a 404 error on my stylesheets:

All of these style sheets were loading in just fine on the http://localhost:3000/public page, but when it goes to http://localhost:3000/public/1 - that's when all the styles disappear. But, they are both using the same layout.

Here is what the log file shows when the request is made:

Started GET "/public/1" for 127.0.0.1 at 2012-03-03 21:14:49 -0600
  Processing by PublicController#show as HTML
  Parameters: {"id"=>"1"}
  [1m[35mPage Load (1.0ms)[0m  SELECT "pages".* FROM "pages"
  [1m[36mPage Load (0.0ms)[0m  [1mSELECT "pages".* FROM "pages" WHERE "pages"."id" = 1 LIMIT 1[0m
Rendered public/show.html.erb within layouts/application (24.0ms)
Completed 200 OK in 63ms (Views: 51.0ms | ActiveRecord: 1.0ms)


Started GET "/public/stylesheets/bootstrap.css" for 127.0.0.1 at 2012-03-03 21:14:50 -0600

ActionController::RoutingError (No route matches "/public/stylesheets/bootstrap.css"):


Rendered c:/RailsInstaller/Ruby1.9.2/lib/ruby/gems/1.9.1/gems/actionpack-3.0.10/lib/action_dispatch/middleware/templates/rescues/routing_error.erb within rescues/layout (2.0ms)


Started GET "/public/stylesheets/bootstrap-responsive.css" for 127.0.0.1 at 2012-03-03 21:14:50 -0600

ActionController::RoutingError (No route matches "/public/stylesheets/bootstrap-responsive.css"):


Rendered c:/RailsInstaller/Ruby1.9.2/lib/ruby/gems/1.9.1/gems/actionpack-3.0.10/lib/action_dispatch/middleware/templates/rescues/routing_error.erb within rescues/layout (1.0ms)


Started GET "/public/stylesheets/elements.less" for 127.0.0.1 at 2012-03-03 21:14:51 -0600

ActionController::RoutingError (No route matches "/public/stylesheets/elements.less"):


Rendered c:/RailsInstaller/Ruby1.9.2/lib/ruby/gems/1.9.1/gems/actionpack-3.0.10/lib/action_dispatch/middleware/templates/rescues/routing_error.erb within rescues/layout (3.0ms)

Thanks for having a look

Answer 1

I managed to find my own answer...

The Rails helper stylesheet_link_tag was generating a relation attribute of type "stylesheet" when the Less css files needed a relation of type "stylesheet/less".

The fix was specifying the relation like this:

 <%= stylesheet_link_tag 'elements.less', :rel => 'stylesheet/less' %>
 <%= stylesheet_link_tag 'main.less', :rel => 'stylesheet/less' %>

Answer 2

如果您正在使用bootstrap-saas gem，请确保从application.html.erb文件中取出“ link href ='assets / css / bootstrap-sensitive.css'rel ='stylesheet'”标签，防止助手生成关系而导致路由错误。

Answer 3

Try to change path to your resource, something like that:

# config/routes.rb

resources :public, :path => :my_public

This will give you routes

public_index GET  /my_public(.:format)          public#index
             POST /my_public(.:format)          public#create
new_public   GET  /my_public/new(.:format)      public#new
edit_public  GET  /my_public/:id/edit(.:format) public#edit
public       GET  /my_public/:id(.:format)      public#show
             PUT  /my_public/:id(.:format)      public#update
             DELETE /my_public/:id(.:format)    public#destroy

This way it will not mess up with requests to the static assets in public directory. But you may want to rename resource and controller instead.