Class: AspaceJsonToManagedContainerMapper

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# File 'backend/app/lib/aspace_json_to_managed_container_mapper.rb', line 5

def initialize(json, new_record)
  @json = json
  @new_record = new_record
  @new_top_containers = []
end

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# File 'backend/app/lib/aspace_json_to_managed_container_mapper.rb', line 20

def call
  @json['instances'].each do |instance|

    # Make sure we're dealing with a hash, not a JSONModel
    instance = instance.is_a?(JSONModelType) ? instance.to_hash(:raw) : instance

    if instance['sub_container'] || instance['digital_object']
      # Just need to make sure there are no conflicting ArchivesSpace containers
      # instance.delete('container')
      next
    end

    if !instance['container']
      # This instance must be empty.  No sub container, digital object or aspace container!
      Log.warn("Empty instance found.  Skipped!")
      next
    end

    top_container = get_or_create_top_container(instance)

    begin
      ensure_harmonious_values(top_container, instance['container'])
    rescue LocationMismatchException => e
      if @json.is_a?(JSONModel(:accession))
        # We handle this case specially because the AT migrator sends multiple
        # locations attached to an accession as containers with identical
        # indicator_1 values but differing locations.
        #
        # For an accession, match on indicator_1 but mismatch on location
        # means we're really talking about different Top Containers.

        container = instance['container']

        top_container = create_top_container({'indicator' => get_default_indicator(container['indicator_1']),
                                             'type' => container['type_1'], 
                                             'container_locations' => container['container_locations']})
      else
        raise e
      end
    end

    subcontainer = {
      'top_container' => {'ref' => top_container.uri},
    }
    instance['container']['jsonmodel_type'] ||= 'container'
    [2, 3].each do |level|
      # ArchivesSpace containers allow type_2/3 to be set without
      # indicator_2/3.  Provide a default if it's missing.
      if instance['container']["type_#{level}"]
        subcontainer["type_#{level}"] = instance['container']["type_#{level}"]
        subcontainer["indicator_#{level}"] = instance['container']["indicator_#{level}"] || get_default_indicator
      end
    end

    if instance['container']["type_3"] && !instance['container']["type_2"]
      # Promote type_3 to type_2 to stop validation blowing up
      subcontainer["type_2"] = instance['container']["type_3"]
      subcontainer["indicator_2"] = instance['container']["indicator_3"] || get_default_indicator

      subcontainer["type_3"] = nil
      subcontainer["indicator_3"] = nil
    end


    instance['sub_container'] = subcontainer

    # No need for the original value now.
    instance.delete('container')
  end
end