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POhow to handle form_for in rails namspaced controller
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12487558
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2012-09-19T01:59:30.460
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2012-09-19T02:18:38.667
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2012-09-19T02:12:51.287
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<p>I have worked with rails scaffold to generate forms and views automatically. But now I had to use namespaced controller with model in root namspace.</p> <p>So, I generated controller manually without scaffold, I'm having trouble working with form.</p> <p>I suppose that the following code should generate a form for namespaced controller</p> <pre><code><%= form_for @menu do |f| %> <div class="field"> <%= f.label :label %><br /> <%= f.text_field :label %> </div> <div class="field"> <%= f.label :order %><br /> <%= f.text_field :order %> </div> <div class="actions"> <%= f.submit %> </div> <% end %> </code></pre> <p>but it doesnt. it says </p> <pre><code>undefined method `model_name' for NilClass:Class </code></pre> <p>it seems very easy to do rails with scaffold generators, but if one wants to do manually, rails helper method turns negative on them.</p> <p>I have searched for form_for documentation and changed the code to</p> <pre><code><%= form_for @menu, :url => admin_menu_path do |f| %> </code></pre> <p>then it shows a different error that</p> <pre><code>No route matches {:action=>"show", :controller=>"admin/menus"} </code></pre> <p>my rake routes gives the following output</p> <pre><code> admin_root /admin(.:format) admin/menus#index admin_menus GET /admin/menus(.:format) admin/menus#index POST /admin/menus(.:format) admin/menus#create new_admin_menu GET /admin/menus/new(.:format) admin/menus#new edit_admin_menu GET /admin/menus/:id/edit(.:format) admin/menus#edit admin_menu GET /admin/menus/:id(.:format) admin/menus#show PUT /admin/menus/:id(.:format) admin/menus#update DELETE /admin/menus/:id(.:format) admin/menus#destroy </code></pre> <p>correct me if I'm wrong, but I think ruby cannot find model Menu in Admin namespace, which is obvious. So, I tried with ::Menu.new , I thought it would look up in upper namespace, but no result!</p>
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<ruby-on-rails><namespaces><form-for>
Title
how to handle form_for in rails namspaced controller
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