How to use a class, put it inside a model?

class Feeds

def load_feeds
@feeds_ds = feeds.first
@feeds = vopo? ? feeds.second : feeds.last

def feeds
@feeds ||= Feedzirra::Feed.fetch_and_parse(FEEDS) { |
feed| feed.entries.first(6) }.entries

def vopo?
params[:vopo] == ‘po’

This is my class.
I would like to display the feeds on every page. Where should i put
it? in a model or controller?
and how doe i use it?

def load_feeds
f =

This is what my view looks like

<%- for feed in @feeds[0…2] -%>
<%= link_to feed.title, feed.url -%>

<%=h feed.summary[0..60] %>...

<%- end -%>

Thank you in advance.

I would probably put the class in a file inside lib/ folder and add a
for displaying the feeds.

<%= feeds_list %>

Daniel Gaytán

2010/9/30 Lasse [email protected]

  1. you should not put it into the any controller, controllers have
    another purpose, in controller you should only call feeds loading from
    some other class.
  2. I agree to Daniel, you may put it into the lib/ folder or into app/
  3. The whether should you have a helper or not for rendering this part
    of the view depends on the whether will you call it from the different
    places of views (then you definitely should have a helper), or you’ll
    have only one place in say some main layout where you render it then
    there is no need in helper
  4. If you want to see feeds within all your pages you should put the
    collecting method (load_feeds) into some private/protected method of
    ApplicationController and then use it as before_filter in your
    controllers (don’t forget to turn it off for e.g. destroy method when
    you don’t need it)
  5. you should pass params[:vopo] to your class as some parameter since
    it’s part of controller
  6. If you need just to fetch the feeds once per page I’d put the feeds
    loading into some static method, and later call it just like (my_feeds
    = Feed.load_feeds), if you need to use them in several places you may
    also use Singleton pattern (

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