Class: Date

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_leap_yday(n, year = Date.today.year) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/birthday_integer.rb', line 10

def from_leap_yday(n,year=Date.today.year)
  n = n.to_i
  raise ArgumentError, "Cannot convert yday #{n} since it is not between 1 and 366" unless n >= 1 && n <= 366

  if leap?(year) || n > 60
    new(year,3,1) - 61 + n
  elsif 60 == n
    raise ArgumentError, "There is no February 29th in #{year} since it is not a leap year"
  else
    new(year,1,1) - 1 + n
  end
end

.from_leap_yday_with_feb_29_birthdays_on_mar_1_in_common_years(n, year = Date.today.year) ⇒ Object 



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# File 'lib/birthday_integer.rb', line 23

def from_leap_yday_with_feb_29_birthdays_on_mar_1_in_common_years(n, year=Date.today.year)
  n = n + 1 if 60 == n && !leap?(year)
  from_leap_yday(n,year)
end

Instance Method Details

#leap_yday ⇒ Object 



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# File 'lib/birthday_integer.rb', line 5

def leap_yday
  yday + ((!leap? && yday >= 60) ? 1 : 0)
end