Ruby on Rails

On Thu, Jan 24, 2013 at 2:35 AM, Werner <webagentur.laude@googlemail.com> wrote:
> Hi.. I need some support...
>
> table:
> week_id, user_id, project_id, hours
> ex. =>
> 33, 2, 1, 10
> 34, 2,1,15
> 33, 2, 2, 20
> 35, 3, 1,20
> etc.
>
> Want to display a sum of hours per week_id per user_id
> I have:
>
> @hours = HourUser.includes(:user).group_by { |h| h.week_id }
>
> @hours.keys.sort.each do |hour|
> @hours[hour].collect(&:stunden).sum
>
> Hours are summed up, but not sorted by user_id..
> How to get that?

Hash#sort_by

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