Rails - Apr 2008 - How to add parameter and condition in function dynamically??

Hi All,
       I have one function in that function i wanna add parameters and
conditions dynamically.

I hope you got me if yes please tell me what should i do.

Thanks
Varun Kumar
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On 24 Apr 2008, at 12:48, Varun Goel wrote:
>
> Hi All,
>       I have one function in that function i wanna add parameters and
> conditions dynamically.
>
> I hope you got me if yes please tell me what should i do.
>
You''re going to have to be more specific.

Fred
>
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If you have:

def foo(*bar)
  bar.class # => Array
end

So the parameters becomes an array of values, including an empty array
if nothing is passed in.

Then you can do stuff like:

foo
foo "one", "two"
foo :a => "b"
etc.

Is that what you were looking for?

-Danimal

On Apr 24, 5:55 am, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On 24 Apr 2008, at 12:48, Varun Goel wrote:
>
>
>
> > Hi All,
> >       I have one function in that function i wanna add parameters and
> > conditions dynamically.
>
> > I hope you got me if yes please tell me what should i do.
>
> You''re going to have to be more specific.
>
> Fred
>
>
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Another pseudo-random guess...

I''ve had several places where I''ve done something like this in
a
controller:

FIND_OPTIONS = {:limit=>10, :offset=>0, :order=>:name}
def index
  find_options = FIND_OPTIONS.dup
  find_options.reverse_merge :name=>params[:name] if
params[:name].blank?
  ... other options...
  SomeModel.find(:all, find_options)
end

That allows you to search only for arguments that are supplied by the
user (ignoring blanks as don''t cares).

If you want to only add/update data as returned from a form
submission... Rails already does that for you.

On Apr 24, 10:24 am, Danimal
<fightonfightw...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> If you have:
>
> def foo(*bar)
>   bar.class # => Array
> end
>
> So the parameters becomes an array of values, including an empty array
> if nothing is passed in.
>
> Then you can do stuff like:
>
> foo
> foo "one", "two"
> foo :a => "b"
> etc.
>
> Is that what you were looking for?
>
> -Danimal
>
> On Apr 24, 5:55 am, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> wrote:
>
> > On 24 Apr 2008, at 12:48, Varun Goel wrote:
>
> > > Hi All,
> > >       I have one function in that function i wanna add parameters
and
> > > conditions dynamically.
>
> > > I hope you got me if yes please tell me what should i do.
>
> > You''re going to have to be more specific.
>
> > Fred
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