Class: Exlibris::Aleph::Record

Inherits:
Exlibris::Aleph::Rest::Base show all
Defined in:
lib/exlibris/aleph/record.rb

Overview

Overview

Provides access to the Aleph Record REST API.

Instance Attribute Summary collapse

Attributes inherited from Exlibris::Aleph::Rest::Base

#response, #rest_url

Instance Method Summary collapse

Methods inherited from Exlibris::Aleph::Rest::Base

#error, #reply_code, #reply_text

Methods included from WriteAttributes

#write_attributes

Methods included from XmlUtil

included, #to_xml

Methods included from Config::Attributes

#adms, #base_url, #config, #irrelevant_sub_libraries, #logger, #refresh_time, #rest_url, #tab_path, #yml_path

Methods included from Abstract

included

Constructor Details

#initialize(*args) ⇒ Record

Returns a new instance of Record.


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# File 'lib/exlibris/aleph/record.rb', line 9

def initialize(*args)
  super
end

Instance Attribute Details

#bib_libraryObject

Returns the value of attribute bib_library


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# File 'lib/exlibris/aleph/record.rb', line 7

def bib_library
  @bib_library
end

#record_idObject

Returns the value of attribute record_id


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# File 'lib/exlibris/aleph/record.rb', line 7

def record_id
  @record_id
end

Instance Method Details

#bibObject

Returns a MARC::Record that contains the bib data Every method call refreshes the data from the underlying API. Raises an exception if the response is not valid XML or there are errors.


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# File 'lib/exlibris/aleph/record.rb', line 16

def bib
  self.response = self.class.get("#{record_url}?view=full")
  raise_error_if("Error getting bib from Aleph REST APIs.") {
    (response.parsed_response["get_record"].nil? or response.parsed_response["get_record"]["record"].nil?)
  }
  MARC::XMLReader.new(StringIO.new(xml(xml: response.body).at_xpath("get-record/record").to_xml(xml_options).strip)).first
end

#holdingsObject

Returns an array of holdings. Each holding is represented as a MARC::Record. Every method call refreshes the data from the underlying API. Raises an exception if there are errors.


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# File 'lib/exlibris/aleph/record.rb', line 40

def holdings
  self.response = self.class.get("#{record_url}/holdings?view=full")
  raise_error_if("Error getting holdings from Aleph REST APIs.") {
    (response.parsed_response["get_hol_list"].nil? or response.parsed_response["get_hol_list"]["holdings"].nil?)
  }
  xml(xml: response.body).xpath("get-hol-list/holdings/holding").collect{ |holding|
    # Change the tag name to record so that the MARC::XMLReader can parse it.
    holding.name = "record"
    MARC::XMLReader.new(StringIO.new(holding.to_xml(xml_options).strip)).first
  }
end

#itemsObject

Returns an array of items. Each item is represented as a Hash. Every method call refreshes the data from the underlying API. Raises an exception if the response is not valid XML or there are errors.


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# File 'lib/exlibris/aleph/record.rb', line 27

def items
  # Since we're parsing xml, this will raise an error
  # if the response isn't xml.
  self.response = self.class.get("#{record_url}/items?view=full")
  raise_error_if("Error getting items from Aleph REST APIs.") {
    (response.parsed_response["get_item_list"].nil? or response.parsed_response["get_item_list"]["items"].nil?)
  }
  [response.parsed_response["get_item_list"]["items"]["item"]].flatten
end