Ruby on Rails

Of course, as I just discovered, if I'd put in

has_many :moods, :through=>:mymoods

that would have worked too :)

On Dec 2, 9:36 am, itsterry <itste...@gmail.com> wrote:
> Thanks, Ray. Per your suggestion, this fixed it:
>
>   def moods
>     ms=Mymood.where('user_id=?',user_id)
>     if ms.empty?
>       []
>     else
>       ms.collect{|mm| mm.mood}
>     end
>   end
>
> But it seems strange to have to write another query in the middle of a
> model. I'd have thought that the "has_many :mymoods" in the user model
> would have been enough.
>
> Whatever. It's working now. Thanks for your help!
>
> On Dec 2, 8:21 am, Ray Parker <rayparkerbasspla...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Look at things in the debugger, but the likelihood is that you're
> > trying to operate on what you think is an array of records, but is
> > just a query.
>
> > my_moods = MyMood.where("my criteria")
>
> > my_moods.collect.... Error
>
> > then my_moods.all.collect....  and you're good to go.
>
> > or my_moods = MyMood.where("my criteria").all
> > and my_moods.collect...
>
> > On Dec 1, 7:53 pm, itsterry <itste...@gmail.com> wrote:
>
> > > I have three models:
> > > (1) Mood
> > > (2) User
> > > (3) Mymood
>
> > > Mymood belongs_to mood
> > > Mymood belongs_to user
>
> > > User has_many mymoods
>
> > > I have a function in User, like this:
>
> > > def moods
> > >   if mymoods.empty?
> > >     []
> > >   else
> > >     mymoods.collect{|mm| mm.mood}
> > >   end
> > > end
>
> > > In Rails2, User.first.moods returns an array of moods (or an empty
> > > array where there are none)
>
> > > In Rails3, I get a big old error: uninitialized constant Mymood::Mood
>
> > > I'm guessing it's something to do with lazy loading, because if I call
> > > (in the console)
> > >  User.first.mymoods
> > > then
> > >   User.first.moods
> > > it all works as it should, but if I just call on its own:
> > >   User.first.moods
> > > I get the error above
>
> > > Any guidance gratefully received!

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