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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 quiz_statistics;
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use core\dml\sql_join;
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use mod_quiz\hook\attempt_state_changed;
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use mod_quiz\hook\structure_modified;
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use mod_quiz\quiz_attempt;
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use quiz_statistics\task\recalculate;
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/**
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* Hook callbacks
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*
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* @package quiz_statistics
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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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class hook_callbacks {
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/**
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* Clear the statistics cache for the quiz where the structure was modified.
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*
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* @param structure_modified $hook The structure_modified hook containing the new structure.
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* @return void
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*/
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public static function quiz_structure_modified(structure_modified $hook) {
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global $CFG;
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require_once($CFG->dirroot . '/mod/quiz/report/statistics/statisticslib.php');
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require_once($CFG->dirroot . '/mod/quiz/report/statistics/report.php');
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$quiz = $hook->get_structure()->get_quiz();
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$qubaids = quiz_statistics_qubaids_condition(
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$quiz->id,
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new sql_join(),
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$quiz->grademethod
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);
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$report = new \quiz_statistics_report();
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$report->clear_cached_data($qubaids);
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}
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/**
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* Queue a statistics recalculation when an attempt is submitted or deleting.
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*
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* @param attempt_state_changed $hook
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* @return bool True if a task was queued.
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*/
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public static function quiz_attempt_submitted_or_deleted(attempt_state_changed $hook): bool {
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$originalattempt = $hook->get_original_attempt();
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$updatedattempt = $hook->get_updated_attempt();
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if (is_null($updatedattempt) || $updatedattempt->state === quiz_attempt::FINISHED) {
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// Only recalculate on deletion or submission.
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return recalculate::queue_future_run($originalattempt->quiz);
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}
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return false;
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}
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}
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