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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace mod_quiz\hook;
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use core\attribute;
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/**
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* A quiz attempt changed state.
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*
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* @package mod_quiz
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* @copyright 2023 onwards Catalyst IT EU {@link https://catalyst-eu.net}
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* @author Mark Johnson <mark.johnson@catalyst-eu.net>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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#[attribute\label('A quiz attempt changed state.')]
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#[attribute\tags('quiz', 'attempt')]
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#[attribute\hook\replaces_callbacks('quiz_attempt_deleted::callback')]
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class attempt_state_changed {
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/**
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* Create a new hook instance.
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*
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* @param ?\stdClass $originalattempt The original database record for the attempt, null if it has just been created.
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* @param ?\stdClass $updatedattempt The updated database record of the new attempt, null if it has just been deleted.
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*/
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public function __construct(
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/** @var ?\stdClass The original database record for the attempt, null if it has just been created. */
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protected ?\stdClass $originalattempt,
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/** @var ?\stdClass The updated database record of the new attempt, null if it has just been deleted. */
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protected ?\stdClass $updatedattempt,
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) {
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if (is_null($this->originalattempt) && is_null($this->updatedattempt)) {
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throw new \InvalidArgumentException('originalattempt and updatedattempt cannot both be null.');
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}
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if (
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!is_null($this->originalattempt)
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&& !is_null($this->updatedattempt)
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&& $this->originalattempt->id != $this->updatedattempt->id
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) {
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throw new \InvalidArgumentException('originalattempt and updatedattempt must have the same id.');
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}
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}
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/**
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* Get the original attempt, null if it has just been created.
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*
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* @return ?\stdClass
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*/
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public function get_original_attempt(): ?\stdClass {
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return $this->originalattempt;
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}
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/**
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* Get the updated attempt, null if it has just been deleted.
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*
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* @return ?\stdClass
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*/
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public function get_updated_attempt(): ?\stdClass {
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return $this->updatedattempt;
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}
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}
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