Class: AmazonBook::Link

Inherits:
Object
  • Object
show all
Defined in:
lib/amazon_book/link.rb

Constant Summary collapse

BOOK_PATHS = 
[
  %r{/dp/(\d{9}[\dX])},
  %r{/gp/offer-listing/(\d{9}[\dX])},
  %r{/gp/product/(\d{9}[\dX])},
  %r{/exec/obidos/ASIN/(\d{9}[\dX])},
  %r{/o/ASIN/(\d{9}[\dX])}
].freeze
AMAZON_DOMAINS = 
[
  'amazon.ca',
  'amazon.cn',
  'amazon.co.jp',
  'amazon.co.uk',
  'amazon.com',
  'amazon.com.au',
  'amazon.com.br',
  'amazon.com.mx',
  'amazon.de',
  'amazon.es',
  'amazon.fr',
  'amazon.in',
  'amazon.it',
  'amazon.nl'
].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ Link

Returns a new instance of Link.



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# File 'lib/amazon_book/link.rb', line 30

def initialize(url)
  @url = url
end

Instance Attribute Details

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/amazon_book/link.rb', line 28

def url
  @url
end

Instance Method Details

#book? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/amazon_book/link.rb', line 34

def book?
  correct_domain? && isbn13
end

#isbn13 ⇒ Object 



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# File 'lib/amazon_book/link.rb', line 38

def isbn13
  BOOK_PATHS.flat_map do |path_regex|
    Identifiers::ISBN.extract(url[path_regex, 1])
  end.first
end