Class: Happybirthday::Age

Inherits:
Base
  • Object
show all
Defined in:
lib/happybirthday/age.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(birthday:, present_day: Date.today) ⇒ Happybirthday::Age

Happybirthday::Age initializer

Parameters:

  • birthday (Happybirthday::Birtyday) —

    birthday object

  • present_day (Date) (defaults to: Date.today) —

    a day for calculating age



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# File 'lib/happybirthday/age.rb', line 9

def initialize(birthday:, present_day: Date.today)
  @birthday = birthday
  @present_day = present_day
end

Instance Attribute Details

#birthday ⇒ Object (readonly)

Returns the value of attribute birthday.



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# File 'lib/happybirthday/age.rb', line 3

def birthday
  @birthday
end

#present_day ⇒ Object (readonly)

Returns the value of attribute present_day.



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# File 'lib/happybirthday/age.rb', line 3

def present_day
  @present_day
end

Instance Method Details

#at(date) ⇒ Happybirthday::Age

Get Happybirthday::Age object which has specific date you passed

Parameters:

  • date (Date, String) —

    Date or date like String (ex.“2018-05-08”)

Returns:



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# File 'lib/happybirthday/age.rb', line 26

def at(date)
  Age.new(birthday: birthday, present_day: to_date(date))
end

#years_after(year = 0) ⇒ Happybirthday::Age

Get Happybirthday::Age object which has future date

Parameters:

  • year (Integer) (defaults to: 0) —

    number of years

Returns:



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# File 'lib/happybirthday/age.rb', line 40

def years_after(year = 0)
  Age.new(birthday: birthday, present_day: present_day.next_year(year))
end

#years_before(year = 0) ⇒ Happybirthday::Age

Get Happybirthday::Age object which has past date

Parameters:

  • year (Integer) (defaults to: 0) —

    number of years

Returns:



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# File 'lib/happybirthday/age.rb', line 33

def years_before(year = 0)
  Age.new(birthday: birthday, present_day: present_day.prev_year(year))
end

#years_old ⇒ Integer?

Get age

Returns:

  • (Integer) —

    if Age.present_day is after birthday

  • (nil) —

    if Age.present_day is before birthday



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# File 'lib/happybirthday/age.rb', line 17

def years_old
  return nil if present_day < birthday.date
  format = "%Y%m%d"
  (present_day.strftime(format).to_i - birthday.date.strftime(format).to_i) / 10000
end