Class: CreditCardValidations::Expiration

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

Constant Summary collapse

FORMATS = 
['%m/%Y', '%m/%y', '%m-%Y', '%m-%y', '%m%Y', '%m%y'].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(month, year) ⇒ Expiration

Returns a new instance of Expiration.



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# File 'lib/credit_card_validations/expiration.rb', line 20

def initialize(month, year)
  @month = month.to_i if month
  @year = normalize_year(year.to_i) if year
end

Instance Attribute Details

#month ⇒ Object (readonly)

Returns the value of attribute month.



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# File 'lib/credit_card_validations/expiration.rb', line 18

def month
  @month
end

#year ⇒ Object (readonly)

Returns the value of attribute year.



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# File 'lib/credit_card_validations/expiration.rb', line 18

def year
  @year
end

Class Method Details

.parse(raw) ⇒ Object 



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# File 'lib/credit_card_validations/expiration.rb', line 25

def self.parse(raw)
  stripped = raw.to_s.gsub(/\s+/, '')
  return nil if stripped.empty?
  FORMATS.each do |fmt|
    date = begin
      Date.strptime(stripped, fmt)
    rescue Date::Error
      nil
    end
    return new(date.month, date.year) if date
  end
  nil
end

Instance Method Details

#expired?(today = Date.today) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/credit_card_validations/expiration.rb', line 45

def expired?(today = Date.today)
  day = last_day
  day.nil? || today > day
end

#last_day ⇒ Object 



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# File 'lib/credit_card_validations/expiration.rb', line 50

def last_day
  return nil unless month && year && (1..12).cover?(month)
  Date.new(year, month, -1)
rescue Date::Error
  nil
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/credit_card_validations/expiration.rb', line 39

def valid?
  !expired?
rescue Date::Error
  false
end