Файловый менеджер

Файловый менеджер - Редактировать - /home/harasnat/www/learning/question/bank/usage/classes/helper.php

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<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. namespace qbank_usage; /** * Helper class for usage. * * @package qbank_usage * @copyright 2021 Catalyst IT Australia Pty Ltd * @author Safat Shahin <safatshahin@catalyst-au.net> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later / class helper { /* * Get the usage count for a question. * * @param \question_definition $question * @param bool $specificversion Count usages just for this version of the question? * @return int / public static function get_question_entry_usage_count($question, bool $specificversion = false) { global $DB; $sql = 'SELECT COUNT() FROM (' . self::question_usage_sql($specificversion) . ') quizid'; $params = [$question->id, $question->questionbankentryid, 'mod_quiz', 'slot']; if ($specificversion) { $params[] = $question->id; } return $DB->count_records_sql($sql, $params); } /** * Get the sql for usage data. * * @param bool $specificversion Count usages just for this version of the question? * @return string / public static function question_usage_sql(bool $specificversion = false): string { $sqlset = "(". self::get_question_attempt_usage_sql($specificversion) .")". "UNION". "(". self::get_question_bank_usage_sql($specificversion) .")"; return $sqlset; } /* * Get question attempt count for the question. * * @param int $questionid * @param int $quizid * @return int / public static function get_question_attempts_count_in_quiz(int $questionid, $quizid = null): int { global $DB; if ($quizid) { $sql = 'SELECT COUNT(qatt.id) FROM {quiz} qz JOIN {quiz_attempts} qa ON qa.quiz = qz.id JOIN {question_usages} qu ON qu.id = qa.uniqueid JOIN {question_attempts} qatt ON qatt.questionusageid = qu.id JOIN {question} q ON q.id = qatt.questionid WHERE qatt.questionid = :questionid AND qa.preview = 0 AND qz.id = :quizid'; $param = ['questionid' => $questionid, 'quizid' => $quizid]; } else { $sql = 'SELECT COUNT(qatt.id) FROM {quiz_slots} qs JOIN {quiz_attempts} qa ON qa.quiz = qs.quizid JOIN {question_usages} qu ON qu.id = qa.uniqueid JOIN {question_attempts} qatt ON qatt.questionusageid = qu.id JOIN {question} q ON q.id = qatt.questionid WHERE qatt.questionid = ? AND qa.preview = 0'; $param = ['questionid' => $questionid]; } return $DB->count_records_sql($sql, $param); } /* * Get the question bank usage sql. * * The resulting string which represents a sql query has then to be * called accompanying a $params array which includes the necessary * parameters in the correct order which are the question id, then * the component and finally the question area. * * @param bool $specificversion Count usages just for this version of the question? * @return string / public static function get_question_bank_usage_sql(bool $specificversion = false): string { $sql = "SELECT qz.id as quizid, qz.name as modulename, qz.course as courseid FROM {quiz_slots} slot JOIN {quiz} qz ON qz.id = slot.quizid JOIN {question_references} qr ON qr.itemid = slot.id JOIN {question_bank_entries} qbe ON qbe.id = qr.questionbankentryid JOIN {question_versions} qv ON qv.questionbankentryid = qbe.id WHERE qv.questionbankentryid = ? AND qr.component = ? AND qr.questionarea = ?"; if ($specificversion) { // Only get results where the reference matches the specific question ID that was requested, // or the question ID that's requested is the latest version, and the reference is set to null (always latest version). $sql .= " AND qv.questionid = ? AND ( qv.version = qr.version OR ( qr.version IS NULL AND qv.version = ( SELECT MAX(qv1.version) FROM {question_versions} qv1 WHERE qv1.questionbankentryid = qbe.id ) ) )"; } return $sql; } /* * Get the question attempt usage sql. * * The resulting string which represents a sql query has then to be * called accompanying a $params array which includes the necessary * parameter, the question id. * * @param bool $specificversion Count usages just for this version of the question? * @return string / public static function get_question_attempt_usage_sql(bool $specificversion = false): string { $sql = "SELECT qz.id as quizid, qz.name as modulename, qz.course as courseid FROM {quiz} qz JOIN {quiz_attempts} qa ON qa.quiz = qz.id JOIN {question_usages} qu ON qu.id = qa.uniqueid JOIN {question_attempts} qatt ON qatt.questionusageid = qu.id"; if ($specificversion) { $sql .= " JOIN {question} q ON q.id = qatt.questionid WHERE qa.preview = 0 AND q.id = ?"; } else { $sql .= " JOIN {question_versions} qv ON qv.questionid = qatt.questionid JOIN {question_versions} qv2 ON qv.questionbankentryid = qv2.questionbankentryid WHERE qa.preview = 0 AND qv2.questionid = ?"; } return $sql; } /* * Get the question last used sql. * * @return string */ public static function get_question_last_used_sql(): string { $sql = "SELECT MAX(qa.timemodified) as lastused FROM {quiz} qz JOIN {quiz_attempts} qa ON qa.quiz = qz.id JOIN {question_usages} qu ON qu.id = qa.uniqueid JOIN {question_attempts} qatt ON qatt.questionusageid = qu.id JOIN {question} q ON q.id = qatt.questionid WHERE qa.preview = 0 AND q.id = ?"; return $sql; } }

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