diff options
Diffstat (limited to 'app/models/holiday.rb')
| -rw-r--r-- | app/models/holiday.rb | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/app/models/holiday.rb b/app/models/holiday.rb index 478e0b086..5837753f1 100644 --- a/app/models/holiday.rb +++ b/app/models/holiday.rb @@ -9,13 +9,49 @@ # # models/holiday.rb: -# Store details on public holidays on which the clock for answering FOI -# requests do not run +# +# Store details on, and perform calculations with, public holidays on which +# the clock for answering FOI requests does not run: +# +# ... "working day" means any day other than a Saturday, a Sunday, Christmas +# Day, Good Friday or a day which is a bank holiday under the [1971 c. 80.] +# Banking and Financial Dealings Act 1971 in any part of the United Kingdom. +# -- Freedom of Information Act 2000 section 10 # # Copyright (c) 2009 UK Citizens Online Democracy. All rights reserved. # Email: francis@mysociety.org; WWW: http://www.mysociety.org/ # -# $Id: holiday.rb,v 1.2 2009-03-09 15:48:32 tony Exp $ +# $Id: holiday.rb,v 1.3 2009-03-10 08:16:43 tony Exp $ class Holiday < ActiveRecord::Base + + # Calculate the date on which a request made on a given date falls due. + def Holiday.due_date_from(start_date) + + # TODO only fetch holidays after the start_date + holidays = self.all.collect { |h| h.day }.to_set + + # Count forward 20 working days. We start with today (or if not a working day, + # the next working day*) as "day zero". The first of the twenty full + # working days is the next day. We return the date of the last of the twenty. + # + # * See this response for example of a public authority complaining when we got + # that detail wrong: http://www.whatdotheyknow.com/request/policy_regarding_body_scans#incoming-1100 + + # We have to skip non-working days at start to find day zero, so start at + # day -1 and at yesterday, so we can do that. + days_passed = -1 + response_required_by = start_date - 1.day + + # Now step forward into day zero, and then each of the 20 days. + while days_passed < 20 + response_required_by += 1.day + next if response_required_by.wday == 0 || response_required_by.wday == 6 # weekend + next if holidays.include?(response_required_by) + days_passed += 1 + end + + return response_required_by + end + end |