Thanks, your idea did help.
if I do:
date = <some_date>
reduce = Time.where(:date => date)
hour_on_date = reduce.collect {|x| x.hour}
Now I just need to figure out how to make <some_date> a hash key which
triggers the hour_on_date array value.
On Feb 11, 8:50 pm, Everaldo Gomes <everaldo.go...@gmail.com> wrote:
> Hi!
>
> Take a look at:
>
> http://www.ruby-doc.org/core-1.9.3/Enumerable.html#method-i-group_by
>
> and
>
> http://www.ruby-doc.org/core-1.9.3/Enumerable.html#method-i-collect
>
> I think they could help.
>
> E.g:
>
> hash = Time.all.collect { |t| [ t.date , t.hour ] }.group_by { |date,hour|
> date.strftime("%-m/%-d/%Y") }
>
> I hope it works.
>
> Regards,
> Everaldo
>
> On Sat, Feb 11, 2012 at 11:40 PM, edward michaels <micah...@gmail.com>wrote:
>
>
>
>
>
>
>
> > I have an active record Times table with a date column and an hour
> > column. The hours are unique but the dates can have many hours. How
> > would I create a hash that mapped a date key to its hours? Something
> > like:
>
> > hours_per_date['2/14/2012'] => ['6:00', '8:00', '11:00', '2:00']
>
> > Thanks
>
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