Class: BaseIndexer::Collection

Inherits:
Object
  • Object
show all
Defined in:
lib/base_indexer/collection.rb

Overview

It caches the collection information such as name

Class Method Summary collapse

Class Method Details

.get_collection_name(collection_druid) ⇒ String

Returns the collection name from cache, otherwise will fetch it from PURL.

Parameters:

  • collection_druid (String) —

    is the druid for a collection e.g., ab123cd4567

Returns:

  • (String) —

    the collection name or nil if there is no name or the object is not a collection



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# File 'lib/base_indexer/collection.rb', line 11

def self.get_collection_name(collection_druid)
  
  collection_name = get_from_cahce(collection_druid)
  if collection_name.nil?
    collection_name = get_from_purl(collection_druid)
  end
  collection_name
end

.get_from_cahce(collection_druid) ⇒ String

Return the collection label from cache if available, nil otherwise

Parameters:

  • collection_druid (String) —

    is the druid for a collection e.g., ab123cd4567

Returns:

  • (String) —

    return the collection label from cache if available, nil otherwise



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# File 'lib/base_indexer/collection.rb', line 22

def self.get_from_cahce(collection_druid)
  Rails.cache.read(collection_druid)
end

.get_from_purl(collection_druid) ⇒ String

Return the collection label from purl if available, nil otherwise

Parameters:

  • collection_druid (String) —

    is the druid for a collection e.g., ab123cd4567

Returns:

  • (String) —

    return the collection label from purl if available, nil otherwise



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# File 'lib/base_indexer/collection.rb', line 28

def self.get_from_purl(collection_druid)
  begin
    purl_model =DiscoveryIndexer::InputXml::Purlxml.new(collection_druid).load()
    unless purl_model.nil? or purl_model.label.nil? or not(purl_model.is_collection)
      Rails.cache.write(collection_druid, purl_model.label, expires_in: 1.hours)
      purl_model.label
    end
  rescue => e
    Rails.logger.error "There is a problem in retrieving collection name for #{collection_druid}. #{e.inspect}\n#{e.message }\n#{e.backtrace}"
    return nil
  end
end