Taxon importer for spree_importer_core

gistfile1.rb

class Spree::TaxonImporter < Spree::ImporterCore::BaseImporter
  # Load a file and the get data from each file row
  #
  # @params
  #   row => "Hombre > Vestuario > Chaquetas > Parkas"
  def load_data(row:)
    return unless row[0].present?

    taxons = row[0].split(">").map!(&:strip)
    process_taxons(taxons)
  end

  # Recibe un array de strings ["Hombre", "Vestuario", "Chaquetas"] y crea un arbol jerarquico
  # en base a la posición en el array
  # See https://github.com/collectiveidea/awesome_nested_set/wiki/Awesome-nested-set-cheat-sheet
  def process_taxons(taxons)
    taxon_hash = {}
    taxonomy = nil

    taxons.each_with_index do |t, index|
      if index == 0
        taxonomy = Spree::Taxonomy.find_or_create_by! name: t
        taxon_hash[index] = taxonomy.root
      else
        taxon = Spree::Taxon.find_or_create_by!({name: t, taxonomy: taxonomy})
        taxon.move_to_child_of(taxon_hash[index-1])
        taxon_hash[index] = taxon
      end
    end

    taxonomy.reload if taxonomy    
  end
end