Ruby on Rails

Alejandro,

Thank you for taking the time to answer my question and you where
right. just by refering the asset object by
assetfield.asset.url(:thumb) it worked perfect.

On 28 jul, 15:27, Alejandro Cadavid <acada...@gmail.com> wrote:
> Hey
>
> When you do (user.assets.each do |assetfield|) you are getting each Asset
> object associated to user in the assetfield variable, but still you need to
> access the attachment property which is 'asset'. So basically you just need
> to change assetfield.url(:thumb) for assetfield.asset.url(:thumb) and it
> should work fine. Check that this is done in the edit form
> as asset_fields.object.asset.url(:thumb) (where asset_fields.object
> represents the same Asset object as assetfield)
>
> Hope this helps. Good luck!
>
>
>
>
>
>
>
> On Thu, Jul 28, 2011 at 5:34 AM, Daniel Amsterdam <daniel...@msn.com> wrote:
> > Hello,
>
> > i'm trying out Rails 3 and i've created a little app with paperclip.
> > My problem is that i cant get the assets for a user in the index
> > action but in the edit action it works. i have the flowing set up
>
> > class User
> >  has_many :assets
>
> > class Asset
> >   belongs_to :user
> >   has_attached_file :asset,
> >                    :styles => { :medium => "300x300>",
> >                                 :thumb => "100x100>" }
>
> > ------
>
> > In my edit action i can get the assets for the user easy by doing:
>
> >        <% f.fields_for :assets do |asset_fields| %>
>
> >                <% unless asset_fields.object.new_record? %>
>
> >                        <tr>
> >                                <td><%= link_to
> > image_tag(asset_fields.object.asset.url(:thumb)),
> > asset_fields.object.asset.url(:original) %></td>
> >                                <td><%= f.label :destroy, 'Verwijder'
> > %></td>
> >                                <td><%= asset_fields.check_box(:_destroy)
> > %></td>
> >                        </tr>
> >                <% end %>
> >        <% end %>
>
> > Now in my index action i want to display the user.assets also but i
> > get the error undefined method `url' for xx
>
> > in the user controler i get the users by
> >    @users = User.all(:include => :assets)
> >    #@users = User.all()
>
> > in the view i have
> >                <% @users.each do |user| %>
> >                        <div id="<%= user.id %>" class="profile_box">
> >                                <%= user.firstname %><%= user.lastname %>
> >                                <%= debug(user) %>
> >                                <% unless current_user.nil? %>
> >                                        <% if current_user.id == user.id %>
> >                                                <%= link_to "Edit",
> > edit_user_path(user) %>
> >                                        <% end %>
> >                                <% end %>
> >                                <%= debug(user.assets) %>
> >                                <% user.assets.each do |assetfield| %>
> >                                        <%= assetfield.url(:thumb) %>
> >                                <% end %>
>
> >                        </div>
> >                <% end %>
>
> > and i get the error undefined method `url' for #<Asset:
> > 0x000001058cce08> so the asset object is not there i gues. I'm having
> > trouble to understand whats wrong because the realtion is fine. I hop
> > somebody here can help me understand this and help me out?
>
> > thanks in advance!
>
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