canvas-lms/app/models/learning_outcome_question_r...

90 lines
2.5 KiB
Ruby

# frozen_string_literal: true
#
# Copyright (C) 2015 - 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/>.
#
class LearningOutcomeQuestionResult < ActiveRecord::Base
belongs_to :learning_outcome_result
belongs_to :learning_outcome
belongs_to :associated_asset, polymorphic: [:assessment_question]
belongs_to :root_account, class_name: "Account"
simply_versioned
scope :for_associated_asset, lambda { |associated_asset|
where(associated_asset_type: associated_asset.class.to_s, associated_asset_id: associated_asset.id)
}
delegate :hide_points, to: :learning_outcome_result
before_save :infer_defaults
before_save :set_root_account_id
def infer_defaults
self.original_score ||= score
self.original_possible ||= possible
self.original_mastery = mastery if original_mastery.nil?
calculate_percent!
true
end
def set_root_account_id
return if root_account_id.present?
self.root_account_id = learning_outcome_result.root_account_id
end
def calculate_percent!
if score && possible
self.percent = score.to_f / possible.to_f
end
self.percent = nil if percent && !percent.to_f.finite?
end
def save_to_version(attempt)
if versions.empty?
save
else
current_version = versions.current.model
if current_version.attempt && attempt < current_version.attempt
versions = self.versions.sort_by(&:created_at).reverse.select { |v| v.model.attempt == attempt }
unless versions.empty?
versions.all? do |version|
update_version_data(version)
end
end
else
save
end
end
end
private
def update_version_data(version)
version_data = YAML.load(version.yaml)
version_data["score"] = score
version_data["mastery"] = mastery
version_data["possible"] = possible
version_data["attempt"] = attempt
version_data["title"] = title
version.yaml = version_data.to_yaml
version.save
end
end