module Sjekksum

Calculates Damm checksum

@example

Sjekksum.damm(572) #=> 4

@see Sjekksum::Damm#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer] calculated checksum

# File lib/sjekksum.rb, line 29
def damm_of number
  Damm.of number
end

Calculates ISBN-10 checksum

@example

Sjekksum.isbn10("147743025") #=> 3
Sjekksum.isbn10("193435600") #=> "X"

@see Sjekksum::ISBN10#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer, String] calculated checksum

# File lib/sjekksum.rb, line 46
def isbn10_of number
  ISBN10.of number
end

Calculates ISBN-13 checksum

@example

Sjekksum.isbn13("978-0-306-40615-") #=> 7

@see Sjekksum::ISBN13#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer, String] calculated checksum

# File lib/sjekksum.rb, line 62
def isbn13_of number
  ISBN13.of number
end

Calculates Luhn checksum

@example

Sjekksum.luhn(7992739871) #=> 3

@see Sjekksum::Luhn#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer] calculated checksum

# File lib/sjekksum.rb, line 78
def luhn_of number
  Luhn.of number
end

Transforms a number by appending the Damm checksum digit

@example

Sjekksum.damm!(572) #=> 5724

@see Sjekksum::Damm#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 287
def make_damm number
  Damm.convert number
end

Transforms a number by appending the ISBN-10 checksum digit

@example

Sjekksum.isbn10!("147743025") #=> "1477430253"
Sjekksum.isbn10!("193435600") #=> "193435600X"

@see Sjekksum::ISBN10#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 304
def make_isbn10 number
  ISBN10.convert number
end

Transforms a number by appending the ISBN-13 checksum digit

@example

Sjekksum.isbn13("978-0-306-40615-") #=> "978-0-306-40615-7"

@see Sjekksum::ISBN13#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 320
def make_isbn13 number
  ISBN13.convert number
end

Transforms a number by appending the Luhn checksum digit

@example

Sjekksum.luhn!(7992739871) #=> 79927398713

@see Sjekksum::Luhn#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 336
def make_luhn number
  Luhn.convert number
end

Transforms a number by appending the Primitive checksum digit

@example

Sjekksum.primitive!(232323) #=> 2323236

@see Sjekksum::Primitive#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 384
def make_primitive number
  Primitive.convert number
end

Transforms a number by appending the Primitive97 checksum digit

@example

Sjekksum.primitive97!(232323) #=> 2323235

@see Sjekksum::Primitive97#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 400
def make_primitive97 number
  Primitive97.convert number
end

Transforms a number by appending the UPC checksum digit

@example

Sjekksum.upc!("03600024145") #=> "03600024147"

@see Sjekksum::UPC#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 352
def make_upc number
  UPC.convert number
end

Transforms a number by appending the Verhoeff checksum digit

@example

Sjekksum.verhoeff!(142857) #=> 1428570

@see Sjekksum::Verhoeff#convert

@param number [Integer, String] number without a checksum

@return [Integer, String] final number including the checksum

# File lib/sjekksum.rb, line 368
def make_verhoeff number
  Verhoeff.convert number
end

Calculates Primitive97 checksum

@example

Sjekksum.primitive97(232323) #=> 6

@see Sjekksum::Primitive97#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer] calculated checksum

# File lib/sjekksum.rb, line 142
def primitive97_of number
  Primitive97.of number
end

Calculates Primitive checksum

@example

Sjekksum.primitive(232323) #=> 6

@see Sjekksum::Primitive#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer] calculated checksum

# File lib/sjekksum.rb, line 126
def primitive_of number
  Primitive.of number
end

Calculates UPC checksum

@example

Sjekksum.upc("03600024145") #=> 7

@see Sjekksum::UPC#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer] calculated checksum

# File lib/sjekksum.rb, line 94
def upc_of number
  UPC.of number
end

Damm validation of provided number

@example

Sjekksum.damm?(5724) #=> true

@see Sjekksum::Damm#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 158
def valid_damm? number
  Damm.valid? number
end

ISBN-10 validation of provided number

@example

Sjekksum.isbn10?("1477430253") #=> true
Sjekksum.isbn10?("193435600X") #=> true

@see Sjekksum::ISBN10#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 175
def valid_isbn10? number
  ISBN10.valid? number
end

ISBN-13 validation of provided number

@example

Sjekksum.isbn13?("978-0-306-40615-7") #=> true

@see Sjekksum::ISBN13#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 191
def valid_isbn13? number
  ISBN13.valid? number
end

Luhn validation of provided number

@example

Sjekksum.luhn?(79927398713) #=> true

@see Sjekksum::Luhn#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 207
def valid_luhn? number
  Luhn.valid? number
end

Primitive97 validation of provided number

@example

Sjekksum.primitive97?(2323235) #=> true

@see Sjekksum::Primitive97#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 271
def valid_primitive97? number
  Primitive97.valid? number
end

Primitive validation of provided number

@example

Sjekksum.primitive?(2323236) #=> true

@see Sjekksum::Primitive#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 255
def valid_primitive? number
  Primitive.valid? number
end

UPC validation of provided number

@example

Sjekksum.upc?("036000241457") #=> true

@see Sjekksum::UPC#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 223
def valid_upc? number
  UPC.valid? number
end

Verhoeff validation of provided number

@example

Sjekksum.verhoeff?(1428570) #=> true

@see Sjekksum::Verhoeff#valid?

@param number [Integer, String] number with included checksum

@return [Boolean]

# File lib/sjekksum.rb, line 239
def valid_verhoeff? number
  Verhoeff.valid? number
end

Calculates Verhoeff checksum

@example

Sjekksum.verhoeff(142857) #=> 0

@see Sjekksum::Verhoeff#of

@param number [Integer, String] number for which the checksum should be calculated

@return [Integer] calculated checksum

# File lib/sjekksum.rb, line 110
def verhoeff_of number
  Verhoeff.of number
end