Chris@1295: # Redmine - project management software
Chris@1295: # Copyright (C) 2006-2012  Jean-Philippe Lang
Chris@1295: #
Chris@1295: # This program is free software; you can redistribute it and/or
Chris@1295: # modify it under the terms of the GNU General Public License
Chris@1295: # as published by the Free Software Foundation; either version 2
Chris@1295: # of the License, or (at your option) any later version.
Chris@1295: #
Chris@1295: # This program is distributed in the hope that it will be useful,
Chris@1295: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1295: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1295: # GNU General Public License for more details.
Chris@1295: #
Chris@1295: # You should have received a copy of the GNU General Public License
Chris@1295: # along with this program; if not, write to the Free Software
Chris@1295: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1295: 
Chris@1295: module Redmine
Chris@1295:   module Utils
Chris@1295:     class << self
Chris@1295:       # Returns the relative root url of the application
Chris@1295:       def relative_url_root
Chris@1295:         ActionController::Base.respond_to?('relative_url_root') ?
Chris@1295:           ActionController::Base.relative_url_root.to_s :
Chris@1295:           ActionController::Base.config.relative_url_root.to_s
Chris@1295:       end
Chris@1295: 
Chris@1295:       # Sets the relative root url of the application
Chris@1295:       def relative_url_root=(arg)
Chris@1295:         if ActionController::Base.respond_to?('relative_url_root=')
Chris@1295:           ActionController::Base.relative_url_root=arg
Chris@1295:         else
Chris@1295:           ActionController::Base.config.relative_url_root = arg
Chris@1295:         end
Chris@1295:       end
Chris@1295: 
Chris@1295:       # Generates a n bytes random hex string
Chris@1295:       # Example:
Chris@1295:       #   random_hex(4) # => "89b8c729"
Chris@1295:       def random_hex(n)
Chris@1295:         SecureRandom.hex(n)
Chris@1295:       end
Chris@1295:     end
Chris@1295: 
Chris@1295:     module Shell
Chris@1295:       def shell_quote(str)
Chris@1295:         if Redmine::Platform.mswin?
Chris@1295:           '"' + str.gsub(/"/, '\\"') + '"'
Chris@1295:         else
Chris@1295:           "'" + str.gsub(/'/, "'\"'\"'") + "'"
Chris@1295:         end
Chris@1295:       end
Chris@1295:     end
Chris@1295: 
Chris@1295:     module DateCalculation
Chris@1295:       # Returns the number of working days between from and to
Chris@1295:       def working_days(from, to)
Chris@1295:         days = (to - from).to_i
Chris@1295:         if days > 0
Chris@1295:           weeks = days / 7
Chris@1295:           result = weeks * (7 - non_working_week_days.size)
Chris@1295:           days_left = days - weeks * 7
Chris@1295:           start_cwday = from.cwday
Chris@1295:           days_left.times do |i|
Chris@1295:             unless non_working_week_days.include?(((start_cwday + i - 1) % 7) + 1)
Chris@1295:               result += 1
Chris@1295:             end
Chris@1295:           end
Chris@1295:           result
Chris@1295:         else
Chris@1295:           0
Chris@1295:         end
Chris@1295:       end
Chris@1295: 
Chris@1295:       # Adds working days to the given date
Chris@1295:       def add_working_days(date, working_days)
Chris@1295:         if working_days > 0
Chris@1295:           weeks = working_days / (7 - non_working_week_days.size)
Chris@1295:           result = weeks * 7
Chris@1295:           days_left = working_days - weeks * (7 - non_working_week_days.size)
Chris@1295:           cwday = date.cwday
Chris@1295:           while days_left > 0
Chris@1295:             cwday += 1
Chris@1295:             unless non_working_week_days.include?(((cwday - 1) % 7) + 1)
Chris@1295:               days_left -= 1
Chris@1295:             end
Chris@1295:             result += 1
Chris@1295:           end
Chris@1295:           next_working_date(date + result)
Chris@1295:         else
Chris@1295:           date
Chris@1295:         end
Chris@1295:       end
Chris@1295: 
Chris@1295:       # Returns the date of the first day on or after the given date that is a working day
Chris@1295:       def next_working_date(date)
Chris@1295:         cwday = date.cwday
Chris@1295:         days = 0
Chris@1295:         while non_working_week_days.include?(((cwday + days - 1) % 7) + 1)
Chris@1295:           days += 1
Chris@1295:         end
Chris@1295:         date + days
Chris@1295:       end
Chris@1295: 
Chris@1295:       # Returns the index of non working week days (1=monday, 7=sunday)
Chris@1295:       def non_working_week_days
Chris@1295:         @non_working_week_days ||= begin
Chris@1295:           days = Setting.non_working_week_days
Chris@1295:           if days.is_a?(Array) && days.size < 7
Chris@1295:             days.map(&:to_i)
Chris@1295:           else
Chris@1295:             []
Chris@1295:           end
Chris@1295:         end
Chris@1295:       end
Chris@1295:     end
Chris@1295:   end
Chris@1295: end