On Nov 25, 2008, at 2:40 PM, Theo Graham-brown wrote:
> > Hi, > > I'm running the following code in my show() method: > > @articles = Article.find(:all, :conditions => ["issue_id = ?", > @issue.id], :order => '`column`,position') > > if (params[:article_id]) > @article_id = params[:article_id].to_i > c = 0 > total = @articles.count .... > end > > Now to be honest this code is already a bit odd for me but I have no > idea how else to approach this in Ruby on Rails. So I've attempted > to do > it PHP-style. But I'm being told that I can't do @articles.count > > Why? I have a user model and a user has a one to many relationship > with > articles so I know that: @user.articles.count works. Hence I'm > guessing > there's something big I'm missing here. > > So, how am I going to do this? How do I easily cycle through my list > of > articles and get the previous and next ones? @user.articles.count is Rails magic. It's not actually fetching everything and then counting it up, it's looking at the associations and building a "SELECT COUNT...." @articles above is an array. Try @articles.size. -philip --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
