canvas-lms/app/models/outcomes_service/migration_extractor.rb

73 lines
2.6 KiB
Ruby

# frozen_string_literal: true
#
# Copyright (C) 2020 - 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 OutcomesService
class MigrationExtractor
def initialize(migration)
@migration = migration
end
def learning_outcomes(context)
@migration.imported_migration_items_by_class(LearningOutcome).map do |item|
outcome_attributes(item) if item.context == context
end.compact
end
def learning_outcome_groups(context)
@migration.imported_migration_items_by_class(LearningOutcomeGroup).map do |item|
group_attributes(item)
end.prepend(group_attributes(context.root_outcome_group))
end
def learning_outcome_links
@migration.imported_migration_items_by_class(ContentTag).map do |item|
link_attributes(item) if valid_link?(item)
end.compact
end
private
def outcome_attributes(learning_outcome)
attrs = learning_outcome.attributes.transform_keys(&:to_sym)
attrs[:'$canvas_learning_outcome_id'] = attrs.delete(:id)
attrs[:rubric_criterion] = attrs.delete(:data)[:rubric_criterion]
attrs.except(:migration_id_2, :vendor_guid_2, :root_account_id, :context_type, :context_id)
end
def group_attributes(learning_outcome_group)
attrs = learning_outcome_group.attributes.transform_keys(&:to_sym)
attrs[:'$canvas_learning_outcome_group_id'] = attrs.delete(:id)
attrs[:parent_outcome_group_id] = attrs.delete(:learning_outcome_group_id)
attrs.except(:root_learning_outcome_group_id, :root_account_id, :migration_id_2, :vendor_guid_2)
end
def valid_link?(item)
item.tag_type == 'learning_outcome_association' && item.associated_asset_type == 'LearningOutcomeGroup' && item.content_type == 'LearningOutcome'
end
def link_attributes(learning_outcome_link)
{
'$canvas_learning_outcome_link_id': learning_outcome_link.id,
'$canvas_learning_outcome_group_id': learning_outcome_link.associated_asset_id,
'$canvas_learning_outcome_id': learning_outcome_link.content_id
}
end
end
end