Class: Dor::IdentityMetadataDS

Inherits:
ActiveFedora::OmDatastream
  • Object
show all
Includes:
SolrDocHelper
Defined in:
lib/dor/datastreams/identity_metadata_ds.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from SolrDocHelper

#add_solr_value

Class Method Details

.xml_template ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 26

def self.xml_template
  Nokogiri::XML('<identityMetadata/>')
end

Instance Method Details

#add_otherId(other_id) ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 70

def add_otherId(other_id)
  (name, val) = other_id.split(/:/, 2)
  node = ng_xml.root.add_child('<otherId/>').first
  node['name'] = name
  node.content = val
  node
end

#add_value(name, value, attrs = {}) ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 30

def add_value(name, value, attrs={})
  add_child_node(ng_xml.root, :value, name, value, attrs)
end

#objectId ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 34

def objectId
  self.find_by_terms(:objectId).text
end

#otherId(type = nil) ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 61

def otherId(type = nil)
  result = self.find_by_terms(:otherId).to_a
  if type.nil?
    result.collect { |n| [n['name'],n.text].join(':') }
  else
    result.select { |n| n['name'] == type }.collect { |n| n.text }
  end
end

#sourceId ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 38

def sourceId
  node = self.find_by_terms(:sourceId).first
  node ? [node['source'],node.text].join(':') : nil
end

#sourceId=(value) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 43

def sourceId=(value)
  node = self.find_by_terms(:sourceId).first
  unless value.present?   # so setting it to '' is the same as removal: worth documenting maybe?
    node.remove unless node.nil?
    return nil
  end
  (source, val) = value.split(/:/, 2)
  raise ArgumentError, "Source ID must follow the format namespace:value, not '#{value}'" unless source.present? && val.present?
  node ||= ng_xml.root.add_child('<sourceId/>').first
  node['source'] = source
  node.content = val
  node
end

#tags ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 57

def tags
  self.ng_xml.search('//tag').collect(&:content)
end

#to_solr(solr_doc = Hash.new, *args) ⇒ Object 



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# File 'lib/dor/datastreams/identity_metadata_ds.rb', line 78

def to_solr(solr_doc=Hash.new, *args)
  super(solr_doc, *args)

  if digital_object.respond_to?(:profile)
    digital_object.profile.each_pair do |property, value|
      add_solr_value(solr_doc, property.underscore, value, (property =~ /Date/ ? :date : :symbol), [:stored_searchable])
    end
  end

  if sourceId.present?
    (name, id) = sourceId.split(/:/, 2)
    add_solr_value(solr_doc, "dor_id", id, :symbol, [:stored_searchable])
    add_solr_value(solr_doc, "identifier", sourceId, :symbol, [:stored_searchable])
    add_solr_value(solr_doc, "source_id", sourceId, :symbol, [])
  end
  otherId.compact.each { |qid|
    # this section will solrize barcode and catkey, which live in otherId
    (name, id) = qid.split(/:/, 2)
    add_solr_value(solr_doc, "dor_id", id, :symbol, [:stored_searchable])
    add_solr_value(solr_doc, "identifier", qid, :symbol, [:stored_searchable])
    add_solr_value(solr_doc, "#{name}_id", id, :symbol, [])
  }

  # do some stuff to make tags in general and project tags specifically more easily searchable and facetable
  self.find_by_terms(:tag).each { |tag|
    (prefix, rest) = tag.text.split(/:/, 2)
    prefix = prefix.downcase.strip.gsub(/\s/,'_')
    unless rest.nil?
      # this part will index a value in a field specific to the tag, e.g. registered_by_tag_*,
      # book_tag_*, project_tag_*, remediated_by_tag_*, etc.  project_tag_* and registered_by_tag_*
      # definitley get used, but most don't.  we can limit the prefixes that get solrized if things
      # get out of hand.
      add_solr_value(solr_doc, "#{prefix}_tag", rest.strip, :symbol, [])
    end

    # solrize each possible prefix for the tag, inclusive of the full tag.
    # e.g., for a tag such as "A : B : C", this will solrize to an _ssim field
    # that contains ["A",  "A : B",  "A : B : C"].
    tag_parts = tag.text.split(/:/)
    progressive_tag_prefix = ''
    tag_parts.each_with_index do |part, index|
      progressive_tag_prefix += " : " if index > 0
      progressive_tag_prefix += part.strip
      add_solr_value(solr_doc, "exploded_tag", progressive_tag_prefix, :symbol, [])
    end
  }

  return solr_doc
end