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Contents
# Link to BookFinder.com to compare online new and used prices for a book.
# Requires an ISBN.
# Does not a pre-check, just generates the link blind, but I think almost any
# ISBN will get results on BookFinder.
class BookFinder < Service
require 'isbn'
def initialize(config)
@display_text = "Compare online prices"
@display_name = "BookFinder.com"
# %s is where the ISBN goes
@url_template = 'http://www.bookfinder.com/search/?isbn=%s&st=xl&ac=qr'
super(config)
end
def service_types_generated
return [ServiceTypeValue['highlighted_link']]
end
def handle(umlaut_request)
isbn = umlaut_request.referent.isbn
# Unless we have a valid isbn, give up
return request.dispatched(self, true) unless isbn && ISBN.valid?(isbn)
# Okay, make a link
url = @url_template.sub('%s', isbn)
umlaut_request.add_service_response(
:service=>self,
:url=> url,
:display_text=> @display_text,
:service_type_value => :highlighted_link
)
return request.dispatched(self, true)
end
end
Version data entries
59 entries across 59 versions & 1 rubygems