Where is the belongs_to :town in the Street Model? class Town < ActiveRecord::Base has_many :streets has_many :houses, :through => :streets end
class Street < ActiveRecord::Base belongs_to :town has_many :houses end You can then do Town.first.houses just fine. On Sep 9, 4:25 pm, steven_noble <ste...@snoble.net> wrote: > OK, I added a town_id to each house and it's working fine, but if > there's a method I've missed that handles this automagically, it'd be > great to know. > > s. > > On Sep 8, 10:21 pm, steven_noble <ste...@snoble.net> wrote: > > > > > Let's say... > > > class Town < ActiveRecord::Base > > has_many :streets > > has_many :houses, :through => :streets > > end > > > class Street < ActiveRecord::Base > > has_many :houses > > end > > > Then we can find individual streets and houses like this... > > > @first_town = Town.find(:first) > > @first_towns_first_street = @first_town.streets.first > > @first_streets_first_house = @first_town_first_street.house.first > > > We can also find arrays of streets and houses like this... > > > @first_town_all_streets = @first_town.streets > > @first_street_all_houses = @first_street.houses > > > But what is the correct syntax for the kind of array I'm trying to > > generate here? > > > @first_town_all_houses = @first_town.streets.houses > > > I'm presuming I can create a methods that iterates through the streets > > array, generates an array of houses for each street, and adds that > > array to a larger array of my own creation. Likewise, I'm assuming I > > can assign a town_id to each house whenever I create it, just as I > > automatically assign it a street_id through create/build. However, I'm > > hoping there's an existing method that'll just magic up the results. > > Problem is, so far I haven't found it on either of the following > > pages: > > >http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMet... > > > Thanks in advance, > > > Steven. --~--~---------~--~----~------------~-------~--~----~ 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 rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
