Got it working, you are my hero! On 21 Maj, 17:00, Matt Jones <[email protected]> wrote: > On May 20, 11:48 am, Niklas Nson <[email protected]> wrote: > > > > > > > I have made myself a small activity model like this => > > > # == Schema Information > > # Schema version: 20110519174324 > > # > > # Table name: activities > > # > > # id :integer not null, primary key > > # account_id :integer > > # action :string(255) > > # item_id :integer > > # item_type :string(255) > > # created_at :datetime > > # updated_at :datetime > > > belongs_to :account > > belongs_to :item, :polymorphic => true > > > from this i can get a nice timeline/actions/userfeed or what we want > > to call it from => > > > def self.get_items(account) > > item_list = [] > > items = where(:account_id => account.id).order("created_at > > DESC").limit(30) > > items.each do |i| > > item_list << i.item_type.constantize.find(i.item_id) > > Quick note here - this can be more effectively replaced by: > > item_list << i.item > > since that's the whole point of the :polymorphic => true > declaration... > > > it works like a charm for objects not refering to others - like if a > > user uploads a new image i can > > get the image nice and tidy. But for comments => then i want to get > > the original post info, can i get > > that in get_items directly ? Someone got tips for me ? > > I suspect you'll likely be doing that farther up in the code, where > the results of get_items are used. For instance, one might do > something like this: > > <%= Activity.get_items(some_account).do |item| %> > <%= render :partial => "#{item.class.name.underscore}", :locals => > { :item => item } %> > <% end -%> > > then the individual item partials can deal with calling more methods > on the object. > > --Matt Jones
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