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discussion_topic_section_visibility.rb
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# frozen_string_literal: true # Copyright (C) 2017 - 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 DiscussionTopicSectionVisibility < ActiveRecord::Base include Canvas::SoftDeletable belongs_to :course_section belongs_to :discussion_topic attr_readonly :discussion_topic_id, :course_section_id validates :discussion_topic_id, presence: true, unless: :new_discussion_topic? validates :course_section_id, :workflow_state, presence: true validate :discussion_topic_is_section_specific validate :course_and_topic_share_context validates :course_section_id, uniqueness: { scope: :discussion_topic_id, conditions: -> { where(workflow_state: "active") } } before_validation :set_discussion_topic_id workflow do state :active state :deleted end alias_method :destroy_permanently!, :destroy def destroy self.workflow_state = "deleted" save! end def discussion_topic_is_section_specific return true if deleted? || discussion_topic.is_section_specific errors.add(:discussion_topic_id, t("Cannot add section to a non-section-specific discussion")) end def course_and_topic_share_context return true if deleted? || discussion_topic.context_id == course_section.course_id errors.add(:course_section_id, t("Section does not belong to course for this discussion topic")) end def new_discussion_topic? discussion_topic&.new_record? end def set_discussion_topic_id # rails 5.2.1 tries to validate the visibility after saving the topic but before setting the topic_id :/ self.discussion_topic_id ||= discussion_topic&.id end end