Class: RBook::Bisac::POLineItem

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

Overview

represents a single line on the purchase order. Has attributes like price, qty and description

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#author ⇒ Object

Returns the value of attribute author.



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# File 'lib/rbook/bisac/po_line_item.rb', line 13

def author
  @author
end

#catalogue_code ⇒ Object

Returns the value of attribute catalogue_code.



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# File 'lib/rbook/bisac/po_line_item.rb', line 12

def catalogue_code
  @catalogue_code
end

#isbn ⇒ Object

Returns the value of attribute isbn.



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# File 'lib/rbook/bisac/po_line_item.rb', line 12

def isbn
  @isbn
end

#line_item_number ⇒ Object

Returns the value of attribute line_item_number.



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# File 'lib/rbook/bisac/po_line_item.rb', line 11

def line_item_number
  @line_item_number
end

#po_number ⇒ Object

Returns the value of attribute po_number.



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# File 'lib/rbook/bisac/po_line_item.rb', line 11

def po_number
  @po_number
end

#price ⇒ Object

Returns the value of attribute price.



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# File 'lib/rbook/bisac/po_line_item.rb', line 12

def price
  @price
end

#qty ⇒ Object

Returns the value of attribute qty.



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# File 'lib/rbook/bisac/po_line_item.rb', line 12

def qty
  @qty
end

#sequence_number ⇒ Object

Returns the value of attribute sequence_number.



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# File 'lib/rbook/bisac/po_line_item.rb', line 11

def sequence_number
  @sequence_number
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/rbook/bisac/po_line_item.rb', line 13

def title
  @title
end

Class Method Details

.load_from_string(data) ⇒ Object

returns a new RBook::Bisac::POLineItem object using the data passed in as a string refer to the bisac spec for the expected format of the string

Raises:



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# File 'lib/rbook/bisac/po_line_item.rb', line 17

def self.load_from_string(data)
  raise RBook::InvalidArgumentError, 'data must be a string' unless data.kind_of? String
  data.strip!

  item = self.new

  item.sequence_number = data[2,5].to_i
  item.po_number = data[7,13].strip
  item.line_item_number = data[21,10].strip

  # prefer the 13 digit ISBN if it exists (it's a non-standard, Pacstream extension)
  # fallback to the ISBN10
  item.isbn = data[80,13]
  item.isbn ||= data[31,10]
  item.isbn.strip!
  item.qty = data[41,5].to_i
  item.catalogue_code = data[46,1].strip
  item.price = BigDecimal.new(data[47,6])

  return item
end