Given those relationships, you should be able to use current_user.contact.site_id.
On Jan 26, 5:01 pm, JohnMerlino <[email protected]> wrote: > Hey all, > I keep getting the following 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.size > > Based on the current user, when they navigate to a page, I want to limit > them to what they can see based on their site. Problem is there is no > association between site and user table directly. A contact has_one user > (user information is stored in current_user variable). A site has_many > contacts. And a site has_many students, where students table has a foreign > key of site_id. So there is a link between students and site, so when the > current user navigates to students page, they can only see students from > same site as them. I can do this by hard coding a number in a named_scope to > only display students for the site of the current_user. But different users > will belong to different sites so when logged in, the site their associated > with will change. That's the problem - to dynamically set that value in a > named_scope. This is what I have: > > StudentsController > > def index_scoper > if current_user.role_id == 8 > super.site_staff_limit while current_user[:site_id] #The problem is the > user table has no site_id. There is no direct link between the users table > and sites table. However, there is a link between users and contacts and > then site and contacts and then site and students, where students table has > site_id. > else > super.with_state.with_site > end > end > > Student Model > named_scope :site_staff_limit, lambda {|site_id| {:conditions => > {:site_id => site_id}}} > > Thanks for any suggestions. > > -- > View this message in > context:http://old.nabble.com/dynamically-set-named_scope-based-on-current_us... > Sent from the RubyOnRails Users mailing list archive at Nabble.com. -- 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.

