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Versions: 24
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Contents
# Uses bX recommender service to generate links to "similar" articles.
#
# REQUIREMENTS: You must be an bX customer. Required field "token" is specific to your institution.
# Optional fields:
# max_records - max number of records returned; default 10
# threshold - minimum score a recommendation must have in order to be included in the results; scores range from 0 to 100; default 50
# openurl_base - base for other link resolver; default "/resolve"
# source - values "local"|"global"; default "global"
class Bx < Service
require 'open-uri'
require 'nokogiri'
required_config_params :token
def initialize(config)
@display_name = "Bx"
@base_url = "http://recommender.service.exlibrisgroup.com/service/recommender/openurl"
@max_records = "5"
@threshold = "50"
@source = "global"
@openurl_base = "/resolve"
super(config)
end
def service_types_generated
return [ServiceTypeValue[:similar]]
end
def handle(request)
format = "rss"
bx_url = "#{@base_url}?res_dat=format%3D#{format}%26source%3D#{@source}%26token%3D#{@token}%26maxRecords%3D#{@max_records}%26threshold%3D#{@threshold}%26baseUrl%3D#{@openurl_base}&#{request.to_context_object.kev}"
response = open(bx_url)
response_xml_str = response.read
response_xml = Nokogiri::XML(response_xml_str)
response_xml.search("//item").each do |item|
title = item.at("title").inner_text
author = item.at("author").inner_text
display_text = (author.nil?)? "#{title}" : "#{author}; #{title}"
url = item.at("link").inner_text
request.add_service_response(
:service=>self,
:display_text => display_text,
:url => url,
:service_type_value => :similar)
end
return request.dispatched(self, true)
end
end
Version data entries
24 entries across 24 versions & 1 rubygems