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require 'date'
require 'time'
#
# Extra methods for integer to calculate periods in seconds.
#
class Integer
# @return [Integer]
def seconds; self; end
# @return [Integer] n minutes of seconds
def minutes; self*60; end
# @return [Integer] n hours of seconds
def hours; self*3600; end
# @return [Integer] n days of seconds
def days; self*86400; end
# @return [Integer] n weeks of seconds
def weeks; self*604800; end
alias_method :day, :days
alias_method :hour, :hours
alias_method :minute, :minutes
alias_method :week, :weeks
end
#
# Extra methods for Time.
#
class Time
#
# Method to work out when something is due, with different classes of hours.
#
# @param [Integer] n The number of hours in the future
# @param [String] type One of wallclock, working, or daytime.
#
# @return [Time]
#
def in_x_hours(n, type="wallclock")
raise ArgumentError, "n must be numeric" unless n.is_a?(Numeric)
raise ArgumentError, "type must be a string" unless type.is_a?(String)
t = self.dup
#
# Do this in seconds rather than hours
#
n = (n*3600).to_i
test = case type
when "working"
"working_hours?"
when "daytime"
"daytime_hours?"
else
"wallclock_hours?"
end
step = 3600
#
# Work out how much time to subtract now
#
while n >= 0
#
# If we're currently OK, and we won't be OK after the next step (or
# vice-versa) decrease step size, and try again
#
if (t.__send__(test) != (t+step).__send__(test))
#
# Unless we're on the smallest step, try a smaller one.
#
unless step == 1
step /= 60
else
n -= step if t.__send__(test)
t += step
#
# Set the step size back to an hour
#
step = 3600
end
next
end
#
# Decrease the time by the step size if we're currently OK.
#
n -= step if t.__send__(test)
t += step
end
#
# Substract any overshoot.
#
t += n if n < 0
t
end
# Returns the bank_holidays array, or an empty array if bank_holidays hasn't
# been set.
#
#
def bank_holidays
@bank_holidays ||= []
end
# This sets the bank holiday dates for the bank_holiday? check.
#
# @param [Array] arg An array of Date of bank holidays
# @returns [Array]
#
def bank_holidays=(arg)
raise ArgumentError unless arg.is_a?(Array) and arg.all?{|a| a.is_a?(Date)}
@bank_holidays = arg
end
# This relies on bank_holidays being set.
#
def bank_holiday?
today = Date.new(self.year, self.month, self.day)
self.bank_holidays.any?{|bh| bh == today}
end
# Test to see if we're in working hours. The working day is from 8.30am until
# 17:00
#
# @return [Boolean]
def working_hours?
!bank_holiday? and (1..5).include?(self.wday) and ((9..16).include?(self.hour) or (self.hour == 8 && self.min >= 30))
end
# Test to see if it is currently daytime. The daytime day is 14 hours long
#
# @return [Boolean]
def daytime_hours?
(8..21).include?(self.hour)
end
# We're always in wallclock hours
#
# @return [true]
def wallclock_hours?
true
end
# Test to see if we're in the DEAD ZONE! This is from 3 - 6am every day.
#
# @return [Boolean]
def dead_zone?
(3..6).include?(self.hour)
end
# Format the time as a string, relative to +now+
#
# @param [Time] now The time we're using as a base
# @raise [ArgumentError] if +now+ is not a Time
# @return [String]
#
def to_s_relative(now = Time.now)
#
# Make sure now is the correct class
#
now = now if now.is_a?(DateTime)
raise ArgumentError, "now must be a Time" unless now.is_a?(Time)
diff = (now.to_f - self.to_f).round.to_i.abs
n = nil
if diff < 120
n = nil
elsif diff < 3600
n = diff/60.0
unit = "minute"
elsif diff < 172800
n = diff/3600.0
unit = "hour"
elsif diff < 5184000
n = diff/86400.0
unit = "day"
else
n = diff/2592000.0
unit = "month"
end
unless n.nil?
n = n.round.to_i
unit += "s" if n != 1
end
# The FUTURE
if self > now
return "shortly" if n.nil?
"in #{n} #{unit}"
else
return "just now" if n.nil?
"#{n} #{unit}"+" ago"
end
end
def to_s_human
_now = Time.now
if _now.strftime("%F") == self.strftime("%F")
self.strftime("%R today")
# Tomorrow is in 24 hours
elsif (_now + 86400).strftime("%F") == self.strftime("%F")
self.strftime("%R tomorrow")
# Yesterday is in 24 ago
elsif (_now - 86400).strftime("%F") == self.strftime("%F")
self.strftime("%R yesterday")
# Next week starts in 6 days.
elsif self > _now and self < (_now + 86400 * 6)
self.strftime("%R on %A")
else
self.strftime("%R on %a %d %b %Y")
end
end
end
#module Mauve
# class Time < Time
#
# def to_s
# self.iso8601
# end
#
# def to_mauvetime
# self
# end
#
# end
#end
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