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2008-Nov-25 09:44 UTC

Strange (for me) Scaffold source code generated

Hello :)

I generated model, view and controler for products database table
using scaffold

I try to change controler name from product to admin but I can''t :( (I
didn''t know how to specifi diferent controler name when use scaffold)

I controllers/s_controller.rb to controllers/admin_controller.rb
view/products directory to view admin directory
layout/products.html.erb to layout/admin.html.erb
and make some modifications

but i can''t do it because there are some strange thinks

view\products\index.html
    <td><%= link_to ''Show'', product %></td>
    <td><%= link_to ''Edit'',
edit_product_path(product) %></td>
    <td><%= link_to ''Destroy'', product, :confirm
=> ''Are you
sure?'', :method => :delete %></td>

what are these edit_product_path functions? And why edit link is
something like
    <td><a
href="/products/1/edit">Edit</a></td>
and not
    <td><a
href="/products/edit/1">Edit</a></td>

when i try to make /admin/1/edit request I get an error that I have
not action 1, it works only with /admin/edit/1

in products controler it works both ways:
/products/1/edit
and
/products/edit/1/

Can you help me, pls :)


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Ju Lian

2008-Nov-25 10:11 UTC

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Re: Strange (for me) Scaffold source code generated

If I have to short my question it is:

view/products/index.html.erb

<h1>Listing products</h1>

<table>
  <tr>
    <th>Title</th>
    <th>Description</th>
    <th>Image url</th>
  </tr>

<% for product in @products %>
  <tr>
    <td><%=h product.title %></td>
    <td><%=h product.description %></td>
    <td><%=h product.image_url %></td>
    <td><%= link_to ''Show'', product %></td>
    <td><%= link_to ''Edit'',
edit_product_path(product) %></td>
    <td><%= link_to ''Destroy'', product, :confirm
=> ''Are you sure?'',
:method => :delete %></td>
  </tr>
<% end %>
</table>

<br />

<%= link_to ''New product'', new_product_path %>

what is this function edit_product_path and why the result is
/1/edit and not /edit/1

And why both work?

???
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Frederick Cheung

2008-Nov-25 10:29 UTC

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Re: Strange (for me) Scaffold source code generated

On 25 Nov 2008, at 10:11, Ju Lian wrote:>
> <%= link_to ''New product'', new_product_path %>
>
> what is this function edit_product_path and why the result is
> /1/edit and not /edit/1
>Short answer: restful routing. When you declare a route for products  
in routes.rb this add a bunch of named routes, so new_product_path is  
the url which gives you the path where the new product form is,  
edit_product_path(some_product) is the url for editing some_product  
etc...
> And why both work?
>because you still have the old controller/action/id routes in your  
routes.rb file> ???
> -- 
> Posted via http://www.ruby-forum.com/.
>
> >

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Ju Lian

2008-Nov-25 10:47 UTC

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Re: Strange (for me) Scaffold source code generated

Frederick Cheung wrote:> On 25 Nov 2008, at 10:11, Ju Lian wrote:
>>
>> <%= link_to ''New product'', new_product_path %>
>>
>> what is this function edit_product_path and why the result is
>> /1/edit and not /edit/1
>>
> Short answer: restful routing. When you declare a route for products
> in routes.rb this add a bunch of named routes, so new_product_path is
> the url which gives you the path where the new product form is,
> edit_product_path(some_product) is the url for editing some_product
> etc...
> 
>> And why both work?
>>
> because you still have the old controller/action/id routes in your
> routes.rb file
Thank you very much :)

Now I understand that I have to learn this:
http://guides.rubyonrails.org/routing_outside_in.html
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Ju Lian

2008-Nov-25 13:27 UTC

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Re: Strange (for me) Scaffold source code generated

Ju Lian wrote:> Frederick Cheung wrote:
>> On 25 Nov 2008, at 10:11, Ju Lian wrote:
>>>
>>> <%= link_to ''New product'', new_product_path
%>
>>>
>>> what is this function edit_product_path and why the result is
>>> /1/edit and not /edit/1
>>>
>> Short answer: restful routing. When you declare a route for products
>> in routes.rb this add a bunch of named routes, so new_product_path is
>> the url which gives you the path where the new product form is,
>> edit_product_path(some_product) is the url for editing some_product
>> etc...
>> 
>>> And why both work?
>>>
>> because you still have the old controller/action/id routes in your
>> routes.rb file
> 
> Thank you very much :)
> 
> Now I understand that I have to learn this:
> http://guides.rubyonrails.org/routing_outside_in.html
I still can''t change controller name from products to admin

=============== routes.rb
============
ActionController::Routing::Routes.draw do |map|
  map.resources :products
  map.resources :admin

  # map.connect '':controller/:action/:id''
  # map.connect '':controller/:action/:id.:format''
end

May be controler name must be ''admins'' ?

Some of helpers functions doesn''t work for me :(

=================================== /view/products/index.hmtl.erb
================================
    <td><%= link_to ''Show'', product %></td>
    <td><%= link_to ''Edit'',
edit_product_path(product) %></td>
    <td><%= link_to ''Destroy'', product, :confirm
=> ''Are you sure?'',
:method => :delete %></td>

<%= link_to ''New product'', new_product_path %>

become:
=================================== /view/admin/index.hmtl.erb
================================
    <td><%= link_to ''Show'', admin_path(:id =>
product.id) %></td>
    <td><%= link_to ''Edit'', edit_admin_path(:id =>
product.id) %></td>
    <td><%= link_to ''Destroy'', admin_path(:id =>
product.id), :confirm
=> ''Are you sure?'', :method => :delete %></td>

<%= link_to ''New product'', new_admin_path %>

=================================== /view/products/new.hmtl.erb
================================
<h1>New product</h1>

<% form_for(@product) do |f| %>
  <%= f.error_messages %>

  <p>
    <%= f.label :title %><br />
    <%= f.text_field :title %>
  </p>
  <p>
    <%= f.label :description %><br />
    <%= f.text_area :description %>
  </p>
  <p>
    <%= f.label :image_url %><br />
    <%= f.text_field :image_url %>
  </p>
  <p>
    <%= f.submit "Create" %>
  </p>
<% end %>

<%= link_to ''Back'', products_path %>

=================================== /view/admin/new.hmtl.erb
================================
<h1>New product</h1>

<% form_for(@product) do |f| %>
  <%= f.error_messages %>

  <p>
    <%= f.label :title %><br />
    <%= f.text_field :title %>
  </p>
  <p>
    <%= f.label :description %><br />
    <%= f.text_area :description %>
  </p>
  <p>
    <%= f.label :image_url %><br />
    <%= f.text_field :image_url %>
  </p>
  <p>
    <%= f.submit "Create" %>
  </p>
<% end %>

<%= link_to ''Back'', admin_path %>

1-st The form submits to product controller instead of new admin 
controller
2-nd admin_path or admins_path in the last row give me an error

:) What I am doing wrong?

Is there some reason not to change controller name from products to 
admin?

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Ju Lian

2008-Nov-25 13:41 UTC

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Re: Strange (for me) Scaffold source code generated

May be this is the right way (it works)

 ============ === routes.rb
 ============ map.resources :products, :as => ''admin''
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Rails - Nov 2008 - Strange (for me) Scaffold source code generated

Strange (for me) Scaffold source code generated

Re: Strange (for me) Scaffold source code generated

Re: Strange (for me) Scaffold source code generated

Re: Strange (for me) Scaffold source code generated

Re: Strange (for me) Scaffold source code generated

Re: Strange (for me) Scaffold source code generated