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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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/**
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* This script fixed incorrectly deleted users.
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*
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* @package core
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* @subpackage cli
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* @copyright 2013 Marina Glancy
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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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define('CLI_SCRIPT', true);
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require(__DIR__.'/../../config.php');
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require_once($CFG->libdir.'/clilib.php');
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// Get cli options.
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list($options, $unrecognized) = cli_get_params(
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array(
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'courses' => false,
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'fix' => false,
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'help' => false
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),
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array(
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'h' => 'help',
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'c' => 'courses',
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'f' => 'fix'
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)
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);
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if ($options['help'] || empty($options['courses'])) {
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$help =
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"Checks and fixes that course modules and sections reference each other correctly.
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Compares DB fields course_sections.sequence and course_modules.section
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checking that:
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- course_sections.sequence contains each module id not more than once in the course
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- for each moduleid from course_sections.sequence the field course_modules.section
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refers to the same section id (this means course_sections.sequence is more
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important if they are different)
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- each module in the course is present in one of course_sections.sequence
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- section sequences do not contain non-existing course modules
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If there are any mismatches, the message is displayed. If --fix is specified,
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the records in DB are corrected.
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This script may run for a long time on big systems if called for all courses.
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Avoid executing the script when another user may simultaneously edit any of the
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courses being checked (recommended to run in mainenance mode).
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Options:
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-c, --courses List courses that need to be checked (comma-separated
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values or * for all). Required
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-f, --fix Fix the mismatches in DB. If not specified check only and
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report problems to STDERR
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-h, --help Print out this help
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Example:
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\$sudo -u www-data /usr/bin/php admin/cli/fix_course_sequence.php --courses=*
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\$sudo -u www-data /usr/bin/php admin/cli/fix_course_sequence.php --courses=2,3,4 --fix
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";
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echo $help;
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die;
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}
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$courseslist = preg_split('/\s*,\s*/', $options['courses'], -1, PREG_SPLIT_NO_EMPTY);
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if (in_array('*', $courseslist)) {
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$where = '';
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$params = array();
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} else {
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list($sql, $params) = $DB->get_in_or_equal($courseslist, SQL_PARAMS_NAMED, 'id');
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$where = 'WHERE id '. $sql;
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}
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$coursescount = $DB->get_field_sql('SELECT count(id) FROM {course} '. $where, $params);
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if (!$coursescount) {
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cli_error('No courses found');
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}
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echo "Checking $coursescount courses...\n\n";
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require_once($CFG->dirroot. '/course/lib.php');
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$problems = array();
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$courses = $DB->get_fieldset_sql('SELECT id FROM {course} '. $where, $params);
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foreach ($courses as $courseid) {
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$errors = course_integrity_check($courseid, null, null, true, empty($options['fix']));
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if ($errors) {
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if (!empty($options['fix'])) {
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// Reset the course cache to make sure cache is recalculated next time the course is viewed.
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rebuild_course_cache($courseid, true);
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}
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foreach ($errors as $error) {
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cli_problem($error);
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}
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$problems[] = $courseid;
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} else {
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echo "Course [$courseid] is OK\n";
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}
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}
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if (!count($problems)) {
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echo "\n...All courses are OK\n";
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} else {
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if (!empty($options['fix'])) {
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echo "\n...Found and fixed ".count($problems)." courses with problems". "\n";
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} else {
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echo "\n...Found ".count($problems)." courses with problems. To fix run:\n";
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echo "\$sudo -u www-data /usr/bin/php admin/cli/fix_course_sequence.php --courses=".join(',', $problems)." --fix". "\n";
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}
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}
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