Will_paginate?

Rails
1

Does anyone have experience with will_paginate?

I’m trying to use it with acts_as_ferret.

routes.rb
…
map.search ‘/search’, :controller => ‘notes’, :action => ‘search’

notes.rb
…
acts_as_ferret :fields => [ ‘body’ ]

notes_controller.rb
…
def search
if params[ :query ]
@query = params[ :query ]
@notes = Note.find_with_ferret @query, :page => params
[ :page ], :per_page => 3
end

respond_to do |format|
  format.html # search.html.erb
  format.xml { render :xml => @notes }
end

end

notes/index.html.erb
…
<% if @notes.length > 1 %>
<% form_tag :action => ‘search’, :patient_id => @patient.id, :method
=> ‘get’ do %>
<%= text_field_tag :query, nil, :size => 20 %>
<%= submit_tag “Search” %>
<% end %>
<% end %>

notes/search.html.erb
…

    <% @notes.each do |note| %>
  • <%= link_to note.body, notes_path( note.id ) %>
    • <% end %>
<%= will_paginate @notes, :params => { :patient_id => @patient.id } %>

The pagination list shows fine, but when clicking on a page number, I
get the error:

You have a nil object when you didn’t expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.each

Extracted source (around line #8):

5: Searching for <%= @query %>…
6:
7:


    8: <% @notes.each do |note| %>
    9:
  • <%= link_to note.body, notes_path( note.id ) %>

    • 10: <% end %>
    11:

The other, really dumb question I have is that the links generated by
notes_path( note.id ) take the form …notes.32 whereas my show method
wants notes/32. How can I get notes_path to correctly format?

Many TIA,
Craig

2

Thanks, David. I ran across that link in my searches today, but the
“UPDATE (6/6/08): This is out of date for the latest Rails and
will_paginate” threw me off a little.

I’ll give Sphinx a try–I’m certainly not married to act_as_ferret.
Craig

On Jan 21, 3:21 pm, David [email protected] wrote:

This looks promising:http://www.mckinneystation.com/2007/08/20/pagination-with-acts_as_tag…

…

3

This looks promising:
http://www.mckinneystation.com/2007/08/20/pagination-with-acts_as_taggable_on_steroids-acts_as_ferret-and-will_paginate/

You basically need to wrap the results from find_with_ferret in a
WillPaginate collection so that the will_paginate helper knows what to
do with it. This is ordinarily accomplished with the “paginate” method
when using ordinary finds, which find_with_ferret is not,
unfortunately.

By the way, Sphinx is generally considered better than Ferret for
search, and automatically returns will_paginate collections…

If notes is a rest resource, you might want to try note_path(note)
instead of notes_path.