Module: Median::XmlSupport

Included in:
Aleph::Item, Primo::Facet, Primo::Facet::FacetValue, Primo::Record, Primo::Record::Links, Primo::SearchResult
Defined in:
lib/median/xml_support.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#initialize(xml) ⇒ Object 



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# File 'lib/median/xml_support.rb', line 3

def initialize(xml)
  fields = self.class.fields

  fields.each do |name, options|
    xpath           = options[:xpath]
    wants_attribute = options[:attribute] || false
    multiple        = options[:multiple]  || false
    autosplit       = options[:autosplit] || false
    process         = options[:process]   || false
    default         = options[:default]   || false

    raise "xpath option is missing" unless xpath
    raise "boolean required for option 'multiple'" unless !!multiple == multiple

    set_field_value(name, default) if default.present?
    set_field_value(name, []) if multiple

    nodes = xml.xpath(options[:xpath])
    nodes.each do |node|
      if wants_attribute
        value = setup_value_for_field(node.attribute(wants_attribute).try(:value), process, default, autosplit)
        set_field_value(name, value)
        break;
      else
        if multiple
          values = get_field_value(name) || []

          value = setup_value_for_field(node.content, process, default, autosplit)
          if value
            if value.is_a?(Array)
              values = values + value
            else
              values << value
            end
          end

          set_field_value(name, values)
        else
          value = setup_value_for_field(node.content, process, default, autosplit)
          set_field_value(name, value)
          break;
        end
      end
    end if nodes.present?
  end if fields.present?
end