Redmine

    if @import.mapping.empty?

      @import.settings['mapping'] = {}

      # Core issue fields

      %w(subject description priority category assigned_to fixed_version is_private parent_issue_id start_date due_date estimated_hours done_ratio).each do |field|

        label = l("field_#{field.gsub(/\_id$/, '')}".to_sym)

        @import.mapping[field] = @import.headers.index(label)

      end

      # Custom fields

      issue.available_custom_fields.each do |field|

        @import.mapping["cf_#{field.id}"] = @import.headers.index(field.name)

      end

    end