Class: Bisac::Product

Inherits:
Object
  • Object
show all
Defined in:
lib/bisac/product.rb

Overview

Class to represent a single product line in a Bisac File. See Bisac::Message for basic usage instructions.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(isbn) ⇒ Product

Creates a new product object with the requested ISBN. Must be a 10 digit ISBN.

Raises:

  • (ArgumentError) 


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# File 'lib/bisac/product.rb', line 11

def initialize(isbn)
  raise ArgumentError, 'isbn must 10 chars or less' if isbn.to_s.length > 10

  @isbn = isbn.to_s
  @title = ""
  @author = ""
  @price = ""
  @pubdate = ""
  @publisher = ""
  @imprint = ""
  @volumes = ""
  @edition = ""
  @binding = ""
  @volume = ""
  @status = ""
end

Instance Attribute Details

#author ⇒ Object

Returns the value of attribute author.



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# File 'lib/bisac/product.rb', line 7

def author
  @author
end

#binding ⇒ Object

Returns the value of attribute binding.



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# File 'lib/bisac/product.rb', line 8

def binding
  @binding
end

#edition ⇒ Object

Returns the value of attribute edition.



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# File 'lib/bisac/product.rb', line 8

def edition
  @edition
end

#imprint ⇒ Object

Returns the value of attribute imprint.



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# File 'lib/bisac/product.rb', line 8

def imprint
  @imprint
end

#isbn ⇒ Object (readonly)

Returns the value of attribute isbn.



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# File 'lib/bisac/product.rb', line 7

def isbn
  @isbn
end

#price ⇒ Object

Returns the value of attribute price.



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# File 'lib/bisac/product.rb', line 7

def price
  @price
end

#pubdate ⇒ Object

Returns the value of attribute pubdate.



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# File 'lib/bisac/product.rb', line 7

def pubdate
  @pubdate
end

#publisher ⇒ Object

Returns the value of attribute publisher.



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# File 'lib/bisac/product.rb', line 7

def publisher
  @publisher
end

#status ⇒ Object

Returns the value of attribute status.



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# File 'lib/bisac/product.rb', line 8

def status
  @status
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/bisac/product.rb', line 7

def title
  @title
end

#volume ⇒ Object

Returns the value of attribute volume.



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# File 'lib/bisac/product.rb', line 8

def volume
  @volume
end

#volumes ⇒ Object

Returns the value of attribute volumes.



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# File 'lib/bisac/product.rb', line 8

def volumes
  @volumes
end

Class Method Details

.from_string(s) ⇒ Object

takes a single line from a BISAC file and attempts to convert it to a Product object



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# File 'lib/bisac/product.rb', line 45

def self.from_string(s)
  s = s.to_s
  return nil if s.length < 259
  product = self.new(s[0,10])
  product.title = s[15,30].strip
  product.author = s[46,30].strip
  product.price = s[79,7].strip if s[79,7].strip.match(/\A\d{0,7}\Z/)
  product.pubdate = s[87,6].strip if s[87,6].strip.match(/\A\d{6}\Z/)
  product.publisher = s[94,10].strip
  product.imprint = s[105,14].strip
  product.volumes = s[120,3].strip
  product.edition = s[124,2].strip
  product.binding = s[127,2].strip
  product.volume = s[130,3].strip
  product.status = s[153,3].strip
  return product
end

Instance Method Details

#to_s ⇒ Object

Returns the product as a single line ready for inserting into a BISAC file. Doesn’t have a n on the end



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# File 'lib/bisac/product.rb', line 102

def to_s
  content = ""
  content << @isbn[0,10].ljust(10) # 10 digit isbn
  content << "1"
  content << "N"
  content << "N"
  content << "B"
  content << "N"
  content << @title[0,30].ljust(30)
  content << "N"
  content << @author[0,30].ljust(30)
  content << "N"
  content << "A" # author role
  content << "N"
  content << @price[0,7].rjust(7,"0") # current price
  content << "N"
  content << @pubdate[0,6].ljust(6) # published date
  content << "N"
  content << @publisher[0,10].ljust(10) # publisher
  content << "N"
  content << @imprint[0,14].ljust(14) #imprint
  content << "N"
  content << @volumes[0,3].rjust(3,"0") # volumes included in this isbn
  content << "N"
  content << @edition[0,2].rjust(2,"0") # edition
  content << "N"
  content << @binding[0,2].rjust(2,"0") # binding
  content << "N"
  content << @volume[0,3].rjust(3,"0") # volume number
  content << "N"
  content << "0000000" # new price
  content << "N"
  content << "000000" # new price effective date
  content << "N"
  content << "   " # audience type
  content << "N"
  content << @status[0,3].rjust(3) # status
  content << "N"
  content << "      " # available date. only use for status' like NYP
  content << "N"
  content << "          " # alternate isbn
  content << "N"
  content << "999999" # out of print date. only use for status == OP
  content << "N"
  content << "   " # geographic restrictions
  content << "N"
  content << "        " # library of congress catalogue number
  content << "N"
  content << "".ljust(40) # series title
  content << "N"
  content << "0" # price code for current price
  content << "N"
  content << "0" # price code for new price
  content << "N"
  content << "0000000" # freight pass through price
  content << "N"
  content << "000000" # new freight pass through price
  content << "00000" # last changed date

  return content
end