Class: Date

Inherits:
Object
  • Object
show all
Defined in:
lib/core_ext/date.rb

Instance Method Summary collapse

Instance Method Details

#nth_day_of_month ⇒ Object 



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# File 'lib/core_ext/date.rb', line 2

def nth_day_of_month
  1 + ( (self.mday - 1) / 7 )
end

#nth_day_of_month?(n) ⇒ Boolean

return true if this is the nth of this day within the month, for example, if n is 2, and this is the second wednesday of the month, return true. If n is -1, and this is the last saturday of the month, return true. It doesn’t matter which day it is, it matters whether it’s the first, second, third, etc, or if it’s the last, second last, third last, etc

Returns:

  • (Boolean) 


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# File 'lib/core_ext/date.rb', line 19

def nth_day_of_month? n
  case n <=> 0
  when -1
    nth_last_day_of_month == n
  when 0
    raise ArgumentError.new("must be non-zero integer")
  when 1
    nth_day_of_month == n
  end
end

#nth_last_day_of_month ⇒ Object 



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# File 'lib/core_ext/date.rb', line 6

def nth_last_day_of_month
  last_day = self.end_of_month.mday
  - 1 - (last_day - self.mday) / 7
end