Class: Isbnify::ISBN

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(param = nil) ⇒ ISBN

Returns a new instance of ISBN.



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# File 'lib/isbnify/isbn.rb', line 6

def initialize(param = nil)
  @param = param
end

Instance Attribute Details

#param ⇒ Object

Returns the value of attribute param.



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# File 'lib/isbnify/isbn.rb', line 4

def param
  @param
end

Class Method Details

.create_isbn ⇒ Object 



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# File 'lib/isbnify/isbn.rb', line 11

def create_isbn
  self.new.create_isbn
end

.create_isbn_checksum(number = nil) ⇒ Object 



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# File 'lib/isbnify/isbn.rb', line 15

def create_isbn_checksum(number = nil)
  self.new(number).create_isbn_checksum
end

.hyphinate_isbn(isbn_string = nil) ⇒ Object 



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# File 'lib/isbnify/isbn.rb', line 19

def hyphinate_isbn(isbn_string = nil)
  self.new(isbn_string).hyphinate_isbn
end

.valid_isbn?(isbn_string = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/isbnify/isbn.rb', line 23

def valid_isbn?(isbn_string = nil)
  self.new(isbn_string).valid_isbn?
end

Instance Method Details

#create_isbn ⇒ Object 



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# File 'lib/isbnify/isbn.rb', line 28

def create_isbn
  Isbnify::IISBNA.new.create_valid_isbn
end

#create_isbn_checksum ⇒ Object 



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# File 'lib/isbnify/isbn.rb', line 32

def create_isbn_checksum
  checksum_argument_validation(param)
  return calculate_checksum(param)
end

#hyphinate_isbn ⇒ Object 



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# File 'lib/isbnify/isbn.rb', line 37

def hyphinate_isbn
  string_argument_validations(param)
  return "invalid ISBN given" unless valid_isbn?
  Isbnify::IISBNA.new(param).hyphinate
end

#valid_isbn? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/isbnify/isbn.rb', line 43

def valid_isbn?
  string_argument_validations(param)
  validate_checksum
end