Class: UlrichsLink

Inherits:
Service show all
Defined in:
lib/service_adaptors/ulrichs_link.rb

Overview

A very simple service that simply generates a “highlighted_link” to the Ulrich’s periodical directory, if an ISSN is present. Does not actually look up first to make sure there are results, it’s a blind link. config params: link_name: Name to put on the link. Defaults to “Periodical Information from Ulrich’s Directory”.

Constant Summary

Constants inherited from Service

Service::LinkOutFilterTask, Service::StandardTask

Instance Attribute Summary

Attributes inherited from Service

#name, #priority, #request, #service_id, #session_id, #status, #task, #url

Instance Method Summary collapse

Methods inherited from Service

#credits, #display_name, #handle_wrapper, #link_out_filter, #preempted_by, required_config_params, #response_to_view_data, #response_url, #view_data_from_service_type

Constructor Details

#initialize(config) ⇒ UlrichsLink

Returns a new instance of UlrichsLink.



9
10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/service_adaptors/ulrichs_link.rb', line 9

def initialize(config)
  # Original one, which just apes the UlrichsWeb html interface, and gives
  # you a search results screen even with only one hit. 
  #@base_url = "http://www.ulrichsweb.com/ulrichsweb/Search/doAdvancedSearch.asp?QuickCriteria=ISSN&Action=Search&collection=SERIAL&QueryMode=Simple&ResultTemplate=quickSearchResults.hts&SortOrder=Asc&SortField=f_display_title&ScoreThreshold=0&ResultCount=25&SrchFrm=Home&setting_saving=on&QuickCriteriaText="
  super(config)
  # better one, which Yvette at Ulrich's showed me for SFX, which seems to work better.
  @vendor ||= "Umlaut"
  @base_url ||= "https://ulrichsweb.serialssolutions.com/api/openurl?issn="
  # Old one
  #@base_url ||= "http://www.ulrichsweb.com/ulrichsweb/Search/call_fullCitation.asp?/vendor_redirect.asp?oVendor=#{@vendor}&oIssn="
  @link_name = "Periodical information"
end

Instance Method Details

#handle(request) ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/service_adaptors/ulrichs_link.rb', line 26

def handle(request)
  unless (request.referent.issn.blank?)
    display_text = @link_name

    url = url_for_issn( request.referent.issn )
    
    request.add_service_response(
      :service=>self, 
      :url=>url, 
      :display_text=>display_text,
      :service_type_value => :highlighted_link)
  end

  return request.dispatched(self, true)
end

#service_types_generated ⇒ Object 



22
23
24
 
# File 'lib/service_adaptors/ulrichs_link.rb', line 22

def service_types_generated
  return [ServiceTypeValue[:highlighted_link]]
end

#url_for_issn(issn) ⇒ Object 



42
43
44
45
 
# File 'lib/service_adaptors/ulrichs_link.rb', line 42

def url_for_issn(issn)
  # with or without hyphen should work fine. 
  return @base_url + issn
end