Class: Hip3Service

Inherits:
Service show all
Includes:
MarcHelper, MetadataHelper
Defined in:
app/service_adaptors/hip3_service.rb

Direct Known Subclasses

HipHoldingSearch

Constant Summary

Constants inherited from Service

Service::LinkOutFilterTask, Service::StandardTask

Instance Attribute Summary collapse

Attributes inherited from Service

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

Instance Method Summary collapse

Methods included from MarcHelper

#add_856_links, #edition_statement, #get_title, #get_years, #gmd_values, #service_type_for_856, #should_skip_856_link?, #strip_gmd

Methods included from MetadataHelper

#get_doi, #get_epage, #get_gpo_item_nums, #get_identifier, #get_isbn, #get_issn, #get_lccn, #get_month, #get_oclcnum, #get_pmid, #get_search_creator, #get_search_terms, #get_search_title, #get_spage, #get_sudoc, #get_top_level_creator, #get_year, #normalize_lccn, #normalize_title, #raw_search_title, title_is_serial?

Methods inherited from Service

#credits, #display_name, #handle_wrapper, #link_out_filter, #preempted_by, required_config_params, #response_url, #translate

Constructor Details

#initialize(config) ⇒ Hip3Service

Returns a new instance of Hip3Service.



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# File 'app/service_adaptors/hip3_service.rb', line 14

def initialize(config)
  # defaults
  @map_856_to_service = 'fulltext'
  # If you are sending an OpenURL from a library service, you may
  # have the HIP bibnum, and include it in the OpenURL as, eg.
  # rft_id=http://catalog.library.jhu.edu/bib/343434 (except URL-encoded)
  # Then you'd set rft_id_bibnum_prefix to http://catalog.library.jhu.edu/bib/
  @rft_id_bibnum_prefix = nil
  @profile = "general"
  super(config)

  # Trim question-mark from base_url, if given
  @base_path.chop! if (@base_path.rindex('?') ==  @base_path.length)     
end

Instance Attribute Details

#base_path ⇒ Object (readonly)

Returns the value of attribute base_path.



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# File 'app/service_adaptors/hip3_service.rb', line 9

def base_path
  @base_path
end

Instance Method Details

#add_copies(request, bib_array, options = {}) ⇒ Object

Takes an array of Hip3::Bib objects believed to be exact matches for the citation querried, and adds response objects for them Returns a hash of arrays of ServiceResponses added.



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# File 'app/service_adaptors/hip3_service.rb', line 57

def add_copies(request, bib_array, options = {})
  #debugger
  
  # default    
  options[:match_reliability] ||= ServiceResponse::MatchExact

  responses_added = Hash.new

  

  
  #Okay, we actually want to make each _copy_ into a service response.
  #A bib may have multiple copies. We are merging bibs, and just worrying
  #about the aggregated list of copies.
  holdings = bib_array.collect { |bib| bib.holdings }.flatten
  bib_array.each do |bib|
    
  
    bib.holdings.each do |holding|

    
      next if holding.dummy?

      
      
      service_data = {}
      service_data[:url] = holding.bib.http_url
      service_data[:source_name] = holding.collection_str unless holding.collection_str.nil?
      service_data[:call_number] = holding.call_no
      service_data[:status] = holding.status_str
      service_data[:location] = holding.location_str
      service_data[:collection_str] = holding.collection_str
      service_data[:copy_str] = holding.copy_str
      service_data[:coverage_str] = holding.coverage_str
      service_data[:coverage_str_array] = holding.coverage_str_to_a 
      service_data[:notes] = holding.notes
      # If it's not a serial copy, we can add a direct request url.
      unless ( holding.kind_of?(Hip3::SerialCopy) )
        service_data[:request_url] = self.base_path + "?profile=#{@profile}&menu=request&aspect=none&bibkey=#{holding.bib.bibNum}&itemkey=#{holding.id}"
      end

      # Need to say it's not an exact match neccesarily?
      
      unless ( options[:match_reliability] == ServiceResponse::MatchExact )
          service_data[:match_reliability] = options[:match_reliability]
          
          service_data[:edition_str] = edition_statement(bib.marc_xml)
      end
      
      display_text = ""
      #display_text << (holding.location_str + ' ')unless holding.location_str.nil?
      display_text << (holding.copy_str + ' ') unless holding.copy_str.nil?

      # coverage strings, may be multiple
      holding.coverage_str_to_a.each {|s| display_text << (s + ' ')}

      display_text << holding.notes unless holding.notes.nil?
      service_data[:display_text] = display_text
      
      response = request.add_service_response(
        service_data.merge(
          :service=>self, 
          :service_type_value => 'holding'  )
        )

      responses_added['holding'] ||= Array.new
      responses_added['holding'].push( response )

    end
  end

  return responses_added
end

#get_bibnum(rft) ⇒ Object 



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# File 'app/service_adaptors/hip3_service.rb', line 135

def get_bibnum(rft)
  return nil unless @rft_id_bibnum_prefix

  identifier = rft.identifiers.find do |id| 
    id[0, @rft_id_bibnum_prefix.length] == @rft_id_bibnum_prefix
  end

  if ( identifier )
    return identifier[@rft_id_bibnum_prefix.length, identifier.length]
  else
    return nil
  end
  
end

#handle(request) ⇒ Object 



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# File 'app/service_adaptors/hip3_service.rb', line 38

def handle(request)    
  bib_searcher = Hip3::BibSearcher.new(@base_path)
  
  bib_searcher.issn = request.referent.issn 
  bib_searcher.isbn = request.referent.isbn
  bib_searcher.sudoc = get_sudoc(request.referent)

  results = bib_searcher.search

  add_856_links(request, results.collect {|b| b.marc_xml})
  add_copies(request, results)

  return request.dispatched(self, true)

end

#service_types_generated ⇒ Object

Standard method, used by background service updater. See Service docs.



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# File 'app/service_adaptors/hip3_service.rb', line 30

def service_types_generated
  # We generate full text and holdings types, right now.
  types = [ ServiceTypeValue[:fulltext], ServiceTypeValue[:holding], ServiceTypeValue[:table_of_contents] ]
  
  return types
end

#url_service_type(field) ⇒ Object 



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# File 'app/service_adaptors/hip3_service.rb', line 131

def url_service_type( field )
  return service_type_for_856(field, :default_service_type =>  @map_856_to_service)            
end