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Contents
require 'date'
module BookKeeping
VERSION = 1
end
class Meetup
def self.days_of_week
[:sunday, :monday, :tuesday, :wednesday, :thursday, :friday, :saturday]
end
def self.weekday_number(weekday)
days_of_week.index(weekday)
end
attr_reader :year, :number
def initialize(number, year)
@year = year
@number = number
@first = Date.new(year, number, 1)
@eighth = Date.new(year, number, 8)
@thirteenth = Date.new(year, number, 13)
@fifteenth = Date.new(year, number, 15)
@twenty_second = Date.new(year, number, 22)
@last = Date.new(year, number, -1)
end
def day(weekday, schedule)
case schedule
when :teenth then
@thirteenth + days_til(weekday, @thirteenth)
when :first then
@first + days_til(weekday, @first)
when :second then
@eighth + days_til(weekday, @eighth)
when :third then
@fifteenth + days_til(weekday, @fifteenth)
when :fourth then
@twenty_second + days_til(weekday, @twenty_second)
when :last then
@last - (7 - (self.class.weekday_number(weekday) - @last.wday)) % 7
end
end
private
def days_til(weekday, day)
(self.class.weekday_number(weekday) - day.wday) % 7
end
end
Version data entries
122 entries across 122 versions & 1 rubygems