Why not u.library.update_attributes?
On 26 aug, 02:41, "harry jr." <[EMAIL PROTECTED]> wrote:
> Hello. Suppose I have this model:
>
> class User
> include DataMapper::Resource
> property :id, Integer, :serial => true
> property :name, String
>
> has 1, :library
> has n, :books
> end
>
> class Library
> include DataMapper::Resource
> property :id, Integer, :serial => true
> property :name, String
>
> belongs_to :user
> end
>
> class Book
> include DataMapper::Resource
> property :id, Integer, :serial => true
> property :title, String
>
> belongs_to :user
> end
>
> Then I can do this in IRB:
>
> > u = User.create(:name => "harry", :library => {:name => 'West Side'},
> > :books => [{:title => "How to Win"}, {:title => "How Not to Lose"}])
>
> => #<User id=4 name="harry" password=nil>>> u.library
>
> => #<Library id=4 name="West Side" user_id=4>>> u.books
>
> => [#<Book id=4 title="How to Win" user_id=4>, #<Book id=5 title="How
> Not to Lose" user_id=4>]>> u.update_attributes(:library => {:name => 'East
> Side'})
> => true
> >> u.library
>
> => #<Library id=5 name="East Side" user_id=4>
>
> But how would i do a u.update_attribtues to change the title of book
> with id 5 to 'My Story' ?
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"DataMapper" 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/datamapper?hl=en
-~----------~----~----~----~------~----~------~--~---
