Class: Cocina::Models::Mapping::FromMods::AltRepGroup

Inherits:
Object
  • Object
show all
Defined in:
lib/cocina/models/mapping/from_mods/alt_rep_group.rb

Overview

Helper class: splits nodes by altRepGroup ids

Class Method Summary collapse

Class Method Details

.split(nodes:) ⇒ Array<Array<Nokogiri::XML::Element>>, Array<Nokogiri::XML::Element>

Returns nodes grouped by altRepGroup, other nodes.

Parameters:

  • nodes (Array<Nokogiri::XML::Element>) —

    to split

Returns:

  • (Array<Array<Nokogiri::XML::Element>>, Array<Nokogiri::XML::Element>) —

    nodes grouped by altRepGroup, other nodes



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# File 'lib/cocina/models/mapping/from_mods/alt_rep_group.rb', line 11

def self.split(nodes:)
  all_nodes_with_altrepgroup = nodes.reject { |node| node[:altRepGroup].blank? }
  grouped_altrepgroup_nodes = all_nodes_with_altrepgroup
                              .group_by { |node| node[:altRepGroup] }
                              .values
                              .reject { |group_nodes| group_nodes.size == 1 }

  other_nodes = nodes.reject { |node| grouped_altrepgroup_nodes.flatten.include?(node) }

  [grouped_altrepgroup_nodes, other_nodes]
end