On Fri, May 7, 2010 at 3:26 AM, Andy Joel <li...@ruby-forum.com> wrote:
> Thanks for the reply
>> On Thu, May 6, 2010 at 6:58 AM, Andy Joel <li...@ruby-forum.com> wrote:
>>> I have my models and controllers set up in sub-folders, so, for example,
>>> sample.rb is in app/models/sample_log, and samples_controller.rb is in
>>> app/controllers/sample_log. The controllers are defined to be within a
>>> namespace just though the class name, eg like this:
>>>
>>> class SampleLog::SamplesController < SampleLog::SuperController
>>>
>>> However, the models are not.
>>>
>>> class Sample < ActiveRecord::Base
>>
>>
>> Where is this file? I'm guessing that it's in
>> app/models/sample_log/sample.rb ?
> Yes
>>
>>> Expected R:/samplelog/app/models/sample_log/sample.rb to define
>>> SampleLog::Sample
>>
>> What this is saying is that Rails tried to find a class or module
>> SampleLog::Sample
> Is that right? I think it is the other way around; it is trying to find
> Sample, but objects because it thinks it should be in sample.rb, not
> sample_log/sample.rb.
>
> "SampleLog::Sample" is not used anywhere in the project (and I have done
> a search to confirm this).
>
> app/controllers/sample_log/samples_controller.rb:11:in `home'
>
> Here are lines 10 to 12
>
> def home
> �...@samples = Sample.find :all
> end
Basic Ruby lesson.
You have
class SampleLog::SamplesController << ....
def home
@samples = Sample.find :all
end
end
When Ruby needs to figure out what Sample means in that home action,
it first looks for a constant in the current namespace so it looks for
SampleLog::SamplesController::Sample
Rails catches this as a missing constant and tries to find a file
under one of the load paths sample_log/samples_controller/sample.rb
but doesn't find one
so it hands the problem back to Ruby, which then tries to find the
constant Sample one step up the namespace chain and looks for
SampleLog::Sample.
Now rails looks for sample_log/sample.rb and finds it, and loads it,
and then checks to see whether SampleLog::Sample is now defined, which
it isn't because that file defined ::Sample instead.
Did you try just moving app/models/sample_log/sample.rb to
app/models/sample.rb as I suggested, I'm pretty sure that doing this,
and possibly removing the the stuff you did to monkey with the load
paths behind Rails back should fix your problem.
--
Rick DeNatale
Blog: http://talklikeaduck.denhaven2.com/
Github: http://github.com/rubyredrick
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