Class: Gared::Primo

Inherits:
Object
  • Object
show all
Defined in:
lib/gared/primo.rb

Instance Method Summary collapse

Constructor Details

#initialize(url, vid, scope, apikey) ⇒ Primo

Returns a new instance of Primo.



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# File 'lib/gared/primo.rb', line 6

def initialize(url, vid, scope, apikey)
  @options = {url: url, vid: vid, scope: scope, apikey: apikey}
end

Instance Method Details

#query_person(person) ⇒ Object 



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# File 'lib/gared/primo.rb', line 17

def query_person(person)
end

#query_persons(q) ⇒ Object 



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# File 'lib/gared/primo.rb', line 14

def query_persons(q)
end

#query_publication(publication) ⇒ Object 



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# File 'lib/gared/primo.rb', line 23

def query_publication(publication)
end

#query_publications(q) ⇒ Object 



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# File 'lib/gared/primo.rb', line 20

def query_publications(q)
end

#query_publications_by_person(person, ctx = nil) ⇒ Object

return in-memory Publication instances with associated Holdings



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# File 'lib/gared/primo.rb', line 27

def query_publications_by_person(person, ctx = nil)
  ret = []
  begin
    base_url = "#{@options[:url]}?vid=#{@options[:vid]}&scope=#{@options[:scope]}&q=creator,contains,#{uri_escape(person)}&qInclude=facet_rtype,exact,books&apikey=#{@options[:apikey]}&limit=50"
    json = JSON.parse(RestClient.get(base_url))
    total = json['info']['total'].to_i
    start_at = 0
    recs = json['docs'] # stash the records
    while recs.length < total
      start_at += 50
      url = base_url+"&offset=#{start_at}"
      json = JSON.parse(RestClient.get(url))
      recs += json['docs']
      sleep 0.5 # respect the server and avoid flood-blocking
    end
    recs.each do |r|
      begin
        deets = r['pnx']['display'] # the fields inside are now always an array!
        p = Publication.new(ctx)
        p.title = deets['title'].join('; ') 
        p.author_line = deets['creator'].join('; ')
        p.author_line += deets['contributor'].join('; ') if deets['contributor']
        p.language = deets['language'].join('; ')
        p.notes = deets['format'].join('; ')
        if r['pnx']['display'] && r['pnx']['display']['subject']
          p.notes += r['pnx']['display']['subject'].join('; ')
        elsif r['pnx']['search'] && r['pnx']['search']['subject']
          p.notes += r['pnx']['search']['subject'].join('; ') 
        end
        p.publisher_line = deets['publisher'].join('; ')
        p.pub_year = deets['creationdate'].join('; ')
        p.source_id = r['pnx']['control']['sourcerecordid'].join('; ')
        ## collect additional URLS from record, for clients to be able to determine whether a scanned object exists
        # commented out for now, as it needs to be rewritten for the new Primo output structure
        #additional_urls = []
        #deets.keys.each do |key|
        #  if deets[key].class == Array
        #    deets[key].each do |kkey|
        #      additional_urls << kkey if kkey.class == String && kkey =~ /https?:[^\s]/
        #    end
        #  elsif deets[key].class == String
        #    additional_urls << deets[key] if deets[key] =~ /https?:[^\s]/
        #  end
        #end
        #p.additional_urls = additional_urls if additional_urls.length > 0
        h = Holding.new
        h.source_id = p.source_id
        h.source_name = 'Primo:'+@options[:vid]
        
        begin
          h.location = r['pnx']['search']['callnumber'].join('; ') # Haifa University style
        rescue Exception # We're skipping things without a callnumber, as they are not resources within the library itself.
          puts $!
        end
        if h.location.nil?
          begin
            h.location = r['delivery']['bestlocation']['callNumber'] # Tel Aviv University style
          rescue Exception
            puts $!
          end
        end
        p.add_holding(h)
        ret << p
      rescue Exception
        puts $!
      end
    end
  rescue Exception
    puts $!
  end
  return ret
end

#uri_escape(s) ⇒ Object 



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# File 'lib/gared/primo.rb', line 9

def uri_escape(s)
  p = URI::Parser.new
  return p.escape(s)
end