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: / var / canvas / app / models / importers /
Filename : grading_standard_importer.rb
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# frozen_string_literal: true

#
# Copyright (C) 2014 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.

module Importers
  class GradingStandardImporter < Importer
    self.item_class = GradingStandard

    def self.select_course_grading_standard(data, migration)
      return unless migration.import_object?("course_settings", "")
      return unless data[:course] && data[:course][:grading_standard_enabled]

      gs_id = data[:course][:grading_standard_identifier_ref]
      migration.import_object!("grading_standards", gs_id) if gs_id
    end

    def self.process_migration(data, migration)
      standards = data["grading_standards"] || []
      standards.each do |standard|
        next unless migration.import_object?("grading_standards", standard["migration_id"])

        begin
          import_from_migration(standard, migration.context, migration)
        rescue
          migration.add_import_warning(t("#migration.grading_standard_type", "Grading Standard"), standard[:title], $!)
        end
      end
    end

    def self.import_from_migration(hash, context, migration, item = nil)
      hash = hash.with_indifferent_access
      return nil if hash[:migration_id] && hash[:grading_standards_to_import] && !hash[:grading_standards_to_import][hash[:migration_id]]

      item ||= GradingStandard.where(context_id: context, context_type: context.class.to_s, migration_id: hash[:migration_id]).first if hash[:migration_id]
      item ||= context.grading_standards.temp_record
      item.migration_id = hash[:migration_id]
      item.workflow_state = "active" if item.deleted?
      item.title = hash[:title]
      item.scaling_factor = hash[:points_based].nil? ? 1 : hash[:scaling_factor]
      item.points_based = hash[:points_based].nil? ? false : hash[:points_based]
      begin
        item.data = GradingStandard.upgrade_data(JSON.parse(hash[:data]), hash[:version] || 1)
      rescue
        # TODO: add to message to display to user
      end

      item.save!
      migration.add_imported_item(item)
      item
    end
  end
end