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# == Schema Information
# Schema version: 108
#
# Table name: holidays
#
# id :integer not null, primary key
# day :date
# description :text
#
# models/holiday.rb:
#
# 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 1.10 2009-10-26 17:52:39 francis Exp $
class Holiday < ActiveRecord::Base
# Calculate the date on which a request made on a given date falls due.
# i.e. it is due by the end of that day.
def Holiday.due_date_from(start_date, working_days)
# convert date/times into dates
start_date = start_date.to_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 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.
# This response for example of a public authority complains that we had
# it wrong. We didn't (even thought I changed the code for a while,
# it's changed back now). A day is a day, our lawyer tells us.
# http://www.whatdotheyknow.com/request/policy_regarding_body_scans#incoming-1100
days_passed = 0
response_required_by = start_date
# Now step forward into each of the 20 days.
while days_passed < working_days
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
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