From: Gene Tani <gene.tani@...>
Date: 2005-10-31T00:22:05+09:00
Subject: Re: easiest way to set future date

have you looked at Active Support:

http://as.rubyonrails.com/

(altho I have a hazy recollection that the months ago calculations
aren't based on exact days, check that)

enspired wrote:
> I need to calculate an end date based on a start date (Date.today + #
> of trial days). Basically, the app allows different services to be
> purchased for different durations. So one service might be a year while
> another might be 6 months. What's the best way to accomplish this,
> keeping in mind that service durations could be configured in days,
> months or years (although I could just make it months if adhering to
> YAGNI)?
>
> def before_create
>   # set service_start_date/service_end_date based on service_level
>   trial_days = self.service_level.trial_days || 0
>   start_date = Date.today + (trial_days * (24 * 60 * 60))
>   duration = self.service_level.duration # number of units * frequency
>   frequency = self.service_level.frequency # can be 'D', 'M', 'Y'
>
>   # determine end_date
>   #end_date = start_date (???)
>
>   self.service_start_date = start_date
>   self.service_end_date = end_date
> end