Class: WCAPI::SruSearchResponse

Inherits:
Object
  • Object
show all
Includes:
XPath
Defined in:
lib/wcapi/sru_search_response.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from XPath

#get_attribute, #xpath, #xpath_all, #xpath_first, #xpath_get_all_text, #xpath_get_name, #xpath_get_text

Constructor Details

#initialize(doc) ⇒ SruSearchResponse

Returns a new instance of SruSearchResponse.



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# File 'lib/wcapi/sru_search_response.rb', line 6

def initialize(doc)
  #super doc
  @raw = doc
  parse_marcxml(doc)
end

Instance Attribute Details

#header ⇒ Object

Returns the value of attribute header.



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# File 'lib/wcapi/sru_search_response.rb', line 4

def header
  @header
end

#raw ⇒ Object

Returns the value of attribute raw.



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# File 'lib/wcapi/sru_search_response.rb', line 4

def raw
  @raw
end

#records ⇒ Object

Returns the value of attribute records.



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# File 'lib/wcapi/sru_search_response.rb', line 4

def records
  @records
end

Instance Method Details

#parse_marcxml(xml) ⇒ Object 



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# File 'lib/wcapi/sru_search_response.rb', line 12

def parse_marcxml(xml)
  @header = {}
   _title = ""
   #this is an array
   _author = Array.new()
   _link = ""
   _id = ""
   _citation = ""
   _summary = ""
   _xml = xml
   _rechash = {}
   _records = Array.new()
   _x = 0

   xml = xml.gsub('<?xml-stylesheet type="text/xsl" href="/webservices/catalog/xsl/searchRetrieveResponse.xsl"?>', "")

   begin
      require 'rexml/document'
      doc = REXML::Document.new(xml)
   rescue
      #likely some kind of xml error
   end

   @header["numberOfRecords"] = xpath_get_text(xpath_first(doc, "//numberOfRecords"))
   @header["recordSchema"] = xpath_get_text(xpath_first(doc, "//recordSchema"))
   @header["nextRecordPosition"] = xpath_get_text(xpath_first(doc, "//nextRecordPosition"))
   @header["maxiumumRecords"] = xpath_get_text(xpath_first(doc, "//maximumRecords"))
   @header["startRecord"] = xpath_get_text(xpath_first(doc, "//startRecord"))
 
   nodes = xpath_all(doc, "//records/record/recordData/record")
   nodes.each { |item |
      _title = xpath_get_text(xpath_first(item, "datafield[@tag='245']/subfield[@code='a']")) 
      if xpath_first(item, "datafield[@tag='1*']") != nil 
         xpath_all(item, "datafield[@tag='1*']/sufield[@code='a']").each { |i|
           _author.push(xpath_get_text(i))
        }
      end
      if xpath_first(item, "datafield[@tag='7*']" ) != nil  
         xpath_all(item, "datafield[@tag='7*']/sufield[@code='a']").each { |i|
           _author.push(xpath_get_text(i))
        }
      end

      if xpath_first(item, "controlfield[@tag='001']") != nil 
        _id = xpath_get_text(xpath_first(item, "controlfield[@tag='001']")) 
        _link = 'http://www.worldcat.org/oclc/' + _id.to_s
      end

      if xpath_first(item, "datafield[@tag='520']") != nil
  _summary = xpath_get_text(xpath_first(item, "datafield[@tag='520']/subfield[@code='a']"))
      else
         if xpath_first(item, "datafield[@tag='500']") != nil
    _summary = xpath_get_text(xpath_first(item, "datafield[@tag='500']/subfield[@code='a']"))
  end
	 end

      _rechash = {:title => _title, :author => _author, :link => _link, :id => _id, :citation => _citation, 
    :summary => _summary, :xml => item.to_s}
	_records.push(_rechash)
   }
   @records = _records
end