[Rails] Re: Fragment caching and pagination

[Steve Odom]

Excellent. Just what I was looking for.

Steve

On 2/1/06, Alain Ravet <arav2132 at biz.tiscali.be> wrote:
>
> Steve
>     >..  how is pagination and  query strings handled with fragment
> caching?
>     >  Does each page get its own fragment and query string identifier?
>
> Yes. Each page related fragment is cached separately.
>
> Here is what works for me:
>
>
> In the view: (event/list.rhtml, a paginated view, with an optional
> 'year' filter. )
>
>     line 1:   <% cache(:controller => 'event', :action => 'list', :group
> => visitor.group, :page => params[:page], :year => params[:year]) do%>
>               ...
>
> In the Controller:
>     class EventController < ApplicationController
>         cache_sweeper   :event_sweeper, :only => [:edit, :update, :new,
> :create, :destroy]
>        ...
>
> In the sweeper:
>     class EventSweeper <  ActionController::Caching::BaseSweeper
>         observe Event
>
>         def after_save(record)
>             expire_fragment  %r{event/list.*}
>             expire_home_page
>         end
>         def after_destroy(record)
>             expire_fragment  %r{event/list.*}
>             expire_home_page
>         end
>
> end
>
>
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