I can''t help but think this should be really easy, but I am pulling my
hair out.
I have a model "Task"
class Task < ActiveRecord::Base
acts_as_nested_set
def rootsForUser(user)
...
end
end
In the controller, I have:
@tasks = Task.rootsForUser(current_user)
I get "NoMethodError in TasksController#index"
Why can''t I find it? (Is this some weird rails-ism where I
haven''t
named the method the "correct" thing?)
Thanks in advance,
Alan
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First of all, I *highly* suggest you stop your Rails stuff and learn
Ruby itself:
http://whytheluckystiff.net/ruby/pickaxe/
That said, here''s the short of what you''re doing.
In your code, you''re defining an instance method for Task. Thus t
Task.new; t.rootsForUser(user) is what you''ve told Ruby you want.
If you want a class method, it''s simply:
class Task < ActiveRecord::Base
acts_as_nested_set
def self.rootsForUser(user)
...
end
end
The reasons for the "self" are explained in the link above. Please
read it.
Jason R.
On Thu, Apr 10, 2008 at 11:38 AM, Alan Smith
<alan0412-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:>
> I can''t help but think this should be really easy, but I am
pulling my hair out.
>
> I have a model "Task"
>
> class Task < ActiveRecord::Base
> acts_as_nested_set
>
> def rootsForUser(user)
> ...
> end
> end
>
> In the controller, I have:
> @tasks = Task.rootsForUser(current_user)
>
> I get "NoMethodError in TasksController#index"
>
> Why can''t I find it? (Is this some weird rails-ism where I
haven''t
> named the method the "correct" thing?)
>
> Thanks in advance,
>
> Alan
>
> >
>
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> > Why can''t I find it? (Is this some weird rails-ism where I haven''t > named the method the "correct" thing?) > > Thanks in advance, > > AlanHi Alan, Does renaming your method to self.rootsForUser(user) help? Robin --~--~---------~--~----~------------~-------~--~----~ 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-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
No, renaming it to self.rootsForUser(user) does not help. I get the same error. --Alan On Thu, Apr 10, 2008 at 10:42 AM, Robin Fisher <robinjfisher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:> > > > > Why can''t I find it? (Is this some weird rails-ism where I haven''t > > named the method the "correct" thing?) > > > > Thanks in advance, > > > > Alan > > Hi Alan, > > Does renaming your method to self.rootsForUser(user) help? > > Robin > > > > >--~--~---------~--~----~------------~-------~--~----~ 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-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
On 10 Apr 2008, at 16:44, Alan Smith wrote:> > No, renaming it to self.rootsForUser(user) does not help. I get the > same error. >Well you do need to declare it as def self.rootsForUser(user) ... end that''s just the way ruby works. On top of that there may be something else wrong (the error message in the log files should say exactly which method couldn''t be found for example. Fred> --Alan > > > On Thu, Apr 10, 2008 at 10:42 AM, Robin Fisher > <robinjfisher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote: >> >>> >>> Why can''t I find it? (Is this some weird rails-ism where I haven''t >>> named the method the "correct" thing?) >>> >>> Thanks in advance, >>> >>> Alan >> >> Hi Alan, >> >> Does renaming your method to self.rootsForUser(user) help? >> >> Robin >> >> >>> >> > > >--~--~---------~--~----~------------~-------~--~----~ 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-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
I made a mistake. It had gone on to my next problem. Which I now have resolved. Thanks for your help. I have read the pickaxe book, but for it to become working knowledge in my head I have to have done a project, which I am doing now. Perhaps I should have done something less ambitious, but I am learning a lot. :-) Thanks, Alan On Thu, Apr 10, 2008 at 10:47 AM, Frederick Cheung <frederick.cheung-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:> > > On 10 Apr 2008, at 16:44, Alan Smith wrote: > > > > > No, renaming it to self.rootsForUser(user) does not help. I get the > > same error. > > > Well you do need to declare it as > > def self.rootsForUser(user) > ... > end > that''s just the way ruby works. On top of that there may be something > else wrong (the error message in the log files should say exactly > which method couldn''t be found for example. > > Fred > > > > > > --Alan > > > > > > On Thu, Apr 10, 2008 at 10:42 AM, Robin Fisher > > <robinjfisher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote: > >> > >>> > >>> Why can''t I find it? (Is this some weird rails-ism where I haven''t > >>> named the method the "correct" thing?) > >>> > >>> Thanks in advance, > >>> > >>> Alan > >> > >> Hi Alan, > >> > >> Does renaming your method to self.rootsForUser(user) help? > >> > >> Robin > >> > >> > >>> > >> > > > > > > > > > >--~--~---------~--~----~------------~-------~--~----~ 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-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---