class Egn::Validator
Attributes
egn[R]
Public Class Methods
new(egn)
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# File lib/egn/validator.rb, line 10 def initialize(egn) @egn = egn @year, @month, @day = explode_date(egn) end
validate(egn)
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Convenience method
# File lib/egn/validator.rb, line 6 def self.validate(egn) Validator.new(egn).validate end
Public Instance Methods
validate()
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Checks if a given EGN is valid
# File lib/egn/validator.rb, line 17 def validate return false unless @egn.length == 10 return false unless Date.valid_date?(@year, @month, @day) # Gregorian calendar adoption in 1916 in Bulgaria # 31/03/1916 > +13 days > 14/04/1916 return false if @year == 1916 && @month == 4 && @day <= 13 # Calculate the checksum and check if the given one is correct checksum = Util.egn_checksum(@egn[0, 9]) checksum == @egn[9].to_i end
Private Instance Methods
explode_date(egn)
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# File lib/egn/validator.rb, line 32 def explode_date(egn) year, month, day = egn.scan(/.{1,2}/).map(&:to_i) year, month = Util.determine_date(year, month) [year, month, day] end