mirror of
https://github.com/moodle/moodle.git
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Merge branch 'wip-MDL-37028-master' of git://github.com/marinaglancy/moodle
This commit is contained in:
Damyon Wiese
commit
4fae13bb5e
125
admin/cli/fix_course_sequence.php
Normal file
125
admin/cli/fix_course_sequence.php
Normal file
@ -0,0 +1,125 @@
|
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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
|
||||
// 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.
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||||
//
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||||
// 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.
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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, $params);
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|
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if (!$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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$DB->upgrade_record('course', array('modinfo' => null, 'id' => $courseid));
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}
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foreach ($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(',', $problems)." --fix". "\n";
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}
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}
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141
course/lib.php
141
course/lib.php
@ -853,6 +853,138 @@ function print_log_ods($course, $user, $date, $order='l.time DESC', $modname,
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return true;
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}
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/**
|
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* Checks the integrity of the course data.
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*
|
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* In summary - compares course_sections.sequence and course_modules.section.
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*
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* More detailed, checks that:
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* - course_sections.sequence contains each module id not more than once in the course
|
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* - for each moduleid from course_sections.sequence the field course_modules.section
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* refers to the same section id (this means course_sections.sequence is more
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* important if they are different)
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* - ($fullcheck only) each module in the course is present in one of
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* course_sections.sequence
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* - ($fullcheck only) removes non-existing course modules from section sequences
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*
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* If there are any mismatches, the changes are made and records are updated in DB.
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*
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* Course cache is NOT rebuilt if there are any errors!
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*
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* This function is used each time when course cache is being rebuilt with $fullcheck = false
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* and in CLI script admin/cli/fix_course_sequence.php with $fullcheck = true
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*
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* @param int $courseid id of the course
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* @param array $rawmods result of funciton {@link get_course_mods()} - containst
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* the list of enabled course modules in the course. Retrieved from DB if not specified.
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* Argument ignored in cashe of $fullcheck, the list is retrieved form DB anyway.
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* @param array $sections records from course_sections table for this course.
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* Retrieved from DB if not specified
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* @param bool $fullcheck Will add orphaned modules to their sections and remove non-existing
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* course modules from sequences. Only to be used in site maintenance mode when we are
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* sure that another user is not in the middle of the process of moving/removing a module.
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* @param bool $checkonly Only performs the check without updating DB, outputs all errors as debug messages.
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* @return array array of messages with found problems. Empty output means everything is ok
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*/
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function course_integrity_check($courseid, $rawmods = null, $sections = null, $fullcheck = false, $checkonly = false) {
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global $DB;
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$messages = array();
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if ($sections === null) {
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$sections = $DB->get_records('course_sections', array('course' => $courseid), 'section', 'id,section,sequence');
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}
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if ($fullcheck) {
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// Retrieve all records from course_modules regardless of module type visibility.
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$rawmods = $DB->get_records('course_modules', array('course' => $courseid), 'id', 'id,section');
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}
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if ($rawmods === null) {
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$rawmods = get_course_mods($courseid);
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}
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if (!$fullcheck && (empty($sections) || empty($rawmods))) {
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// If either of the arrays is empty, no modules are displayed anyway.
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return true;
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}
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$debuggingprefix = 'Failed integrity check for course ['.$courseid.']. ';
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// First make sure that each module id appears in section sequences only once.
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// If it appears in several section sequences the last section wins.
|
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// If it appears twice in one section sequence, the first occurence wins.
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$modsection = array();
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foreach ($sections as $sectionid => $section) {
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$sections[$sectionid]->newsequence = $section->sequence;
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if (!empty($section->sequence)) {
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$sequence = explode(",", $section->sequence);
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$sequenceunique = array_unique($sequence);
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if (count($sequenceunique) != count($sequence)) {
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// Some course module id appears in this section sequence more than once.
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ksort($sequenceunique); // Preserve initial order of modules.
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$sequence = array_values($sequenceunique);
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$sections[$sectionid]->newsequence = join(',', $sequence);
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$messages[] = $debuggingprefix.'Sequence for course section ['.
|
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$sectionid.'] is "'.$sections[$sectionid]->sequence.'", must be "'.$sections[$sectionid]->newsequence.'"';
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}
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foreach ($sequence as $cmid) {
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if (array_key_exists($cmid, $modsection) && isset($rawmods[$cmid])) {
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// Some course module id appears to be in more than one section's sequences.
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$wrongsectionid = $modsection[$cmid];
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$sections[$wrongsectionid]->newsequence = trim(preg_replace("/,$cmid,/", ',', ','.$sections[$wrongsectionid]->newsequence. ','), ',');
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$messages[] = $debuggingprefix.'Course module ['.$cmid.'] must be removed from sequence of section ['.
|
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$wrongsectionid.'] because it is also present in sequence of section ['.$sectionid.']';
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}
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$modsection[$cmid] = $sectionid;
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}
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}
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}
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|
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// Add orphaned modules to their sections if they exist or to section 0 otherwise.
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if ($fullcheck) {
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foreach ($rawmods as $cmid => $mod) {
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if (!isset($modsection[$cmid])) {
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// This is a module that is not mentioned in course_section.sequence at all.
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// Add it to the section $mod->section or to the last available section.
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if ($mod->section && isset($sections[$mod->section])) {
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$modsection[$cmid] = $mod->section;
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} else {
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$firstsection = reset($sections);
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$modsection[$cmid] = $firstsection->id;
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}
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$sections[$modsection[$cmid]]->newsequence = trim($sections[$modsection[$cmid]]->newsequence.','.$cmid, ',');
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$messages[] = $debuggingprefix.'Course module ['.$cmid.'] is missing from sequence of section ['.
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$sectionid.']';
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}
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}
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foreach ($modsection as $cmid => $sectionid) {
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if (!isset($rawmods[$cmid])) {
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// Section $sectionid refers to module id that does not exist.
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$sections[$sectionid]->newsequence = trim(preg_replace("/,$cmid,/", ',', ','.$sections[$sectionid]->newsequence.','), ',');
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$messages[] = $debuggingprefix.'Course module ['.$cmid.
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'] does not exist but is present in the sequence of section ['.$sectionid.']';
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}
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}
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}
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// Update changed sections.
|
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if (!$checkonly && !empty($messages)) {
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foreach ($sections as $sectionid => $section) {
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if ($section->newsequence !== $section->sequence) {
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$DB->update_record('course_sections', array('id' => $sectionid, 'sequence' => $section->newsequence));
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}
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}
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}
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// Now make sure that all modules point to the correct sections.
|
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foreach ($rawmods as $cmid => $mod) {
|
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if (isset($modsection[$cmid]) && $modsection[$cmid] != $mod->section) {
|
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if (!$checkonly) {
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$DB->update_record('course_modules', array('id' => $cmid, 'section' => $modsection[$cmid]));
|
||||
}
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$messages[] = $debuggingprefix.'Course module ['.$cmid.
|
||||
'] points to section ['.$mod->section.'] instead of ['.$modsection[$cmid].']';
|
||||
}
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||||
}
|
||||
|
||||
return $messages;
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||||
}
|
||||
|
||||
/**
|
||||
* For a given course, returns an array of course activity objects
|
||||
* Each item in the array contains he following properties:
|
||||
@ -884,7 +1016,14 @@ function get_array_of_activities($courseid) {
|
||||
return $mod; // always return array
|
||||
}
|
||||
|
||||
if ($sections = $DB->get_records("course_sections", array("course"=>$courseid), "section ASC")) {
|
||||
if ($sections = $DB->get_records('course_sections', array('course' => $courseid), 'section ASC', 'id,section,sequence')) {
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||||
// First check and correct obvious mismatches between course_sections.sequence and course_modules.section.
|
||||
if ($errormessages = course_integrity_check($courseid, $rawmods, $sections)) {
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||||
debugging(join('<br>', $errormessages));
|
||||
$rawmods = get_course_mods($courseid);
|
||||
$sections = $DB->get_records('course_sections', array('course' => $courseid), 'section ASC', 'id,section,sequence');
|
||||
}
|
||||
// Build array of activities.
|
||||
foreach ($sections as $section) {
|
||||
if (!empty($section->sequence)) {
|
||||
$sequence = explode(",", $section->sequence);
|
||||
|
||||
@ -1751,4 +1751,124 @@ class core_course_courselib_testcase extends advanced_testcase {
|
||||
$expectedlegacydata = array($course->id, "course", "editsection", 'editsection.php?id=' . $id, $sectionnum);
|
||||
$this->assertEventLegacyLogData($expectedlegacydata, $event);
|
||||
}
|
||||
|
||||
public function test_course_integrity_check() {
|
||||
global $DB;
|
||||
|
||||
$this->resetAfterTest(true);
|
||||
$course = $this->getDataGenerator()->create_course(array('numsections' => 1),
|
||||
array('createsections'=>true));
|
||||
|
||||
$forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id),
|
||||
array('section' => 0));
|
||||
$page = $this->getDataGenerator()->create_module('page', array('course' => $course->id),
|
||||
array('section' => 0));
|
||||
$quiz = $this->getDataGenerator()->create_module('quiz', array('course' => $course->id),
|
||||
array('section' => 0));
|
||||
$correctseq = join(',', array($forum->cmid, $page->cmid, $quiz->cmid));
|
||||
|
||||
$section0 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 0));
|
||||
$section1 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 1));
|
||||
$cms = $DB->get_records('course_modules', array('course' => $course->id), 'id', 'id,section');
|
||||
$this->assertEquals($correctseq, $section0->sequence);
|
||||
$this->assertEmpty($section1->sequence);
|
||||
$this->assertEquals($section0->id, $cms[$forum->cmid]->section);
|
||||
$this->assertEquals($section0->id, $cms[$page->cmid]->section);
|
||||
$this->assertEquals($section0->id, $cms[$quiz->cmid]->section);
|
||||
$this->assertEmpty(course_integrity_check($course->id));
|
||||
|
||||
// Now let's make manual change in DB and let course_integrity_check() fix it:
|
||||
|
||||
// 1. Module appears twice in one section.
|
||||
$DB->update_record('course_sections', array('id' => $section0->id, 'sequence' => $section0->sequence. ','. $page->cmid));
|
||||
$this->assertEquals(
|
||||
array('Failed integrity check for course ['. $course->id.
|
||||
']. Sequence for course section ['. $section0->id. '] is "'.
|
||||
$section0->sequence. ','. $page->cmid. '", must be "'.
|
||||
$section0->sequence. '"'),
|
||||
course_integrity_check($course->id));
|
||||
$section0 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 0));
|
||||
$section1 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 1));
|
||||
$cms = $DB->get_records('course_modules', array('course' => $course->id), 'id', 'id,section');
|
||||
$this->assertEquals($correctseq, $section0->sequence);
|
||||
$this->assertEmpty($section1->sequence);
|
||||
$this->assertEquals($section0->id, $cms[$forum->cmid]->section);
|
||||
$this->assertEquals($section0->id, $cms[$page->cmid]->section);
|
||||
$this->assertEquals($section0->id, $cms[$quiz->cmid]->section);
|
||||
|
||||
// 2. Module appears in two sections (last section wins).
|
||||
$DB->update_record('course_sections', array('id' => $section1->id, 'sequence' => ''. $page->cmid));
|
||||
// First message about double mentioning in sequence, second message about wrong section field for $page.
|
||||
$this->assertEquals(array(
|
||||
'Failed integrity check for course ['. $course->id. ']. Course module ['. $page->cmid.
|
||||
'] must be removed from sequence of section ['. $section0->id.
|
||||
'] because it is also present in sequence of section ['. $section1->id. ']',
|
||||
'Failed integrity check for course ['. $course->id. ']. Course module ['. $page->cmid.
|
||||
'] points to section ['. $section0->id. '] instead of ['. $section1->id. ']'),
|
||||
course_integrity_check($course->id));
|
||||
$section0 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 0));
|
||||
$section1 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 1));
|
||||
$cms = $DB->get_records('course_modules', array('course' => $course->id), 'id', 'id,section');
|
||||
$this->assertEquals($forum->cmid. ','. $quiz->cmid, $section0->sequence);
|
||||
$this->assertEquals(''. $page->cmid, $section1->sequence);
|
||||
$this->assertEquals($section0->id, $cms[$forum->cmid]->section);
|
||||
$this->assertEquals($section1->id, $cms[$page->cmid]->section);
|
||||
$this->assertEquals($section0->id, $cms[$quiz->cmid]->section);
|
||||
|
||||
// 3. Module id is not present in course_section.sequence (integrity check with $fullcheck = false).
|
||||
$DB->update_record('course_sections', array('id' => $section1->id, 'sequence' => ''));
|
||||
$this->assertEmpty(course_integrity_check($course->id)); // Not an error!
|
||||
$section0 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 0));
|
||||
$section1 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 1));
|
||||
$cms = $DB->get_records('course_modules', array('course' => $course->id), 'id', 'id,section');
|
||||
$this->assertEquals($forum->cmid. ','. $quiz->cmid, $section0->sequence);
|
||||
$this->assertEmpty($section1->sequence);
|
||||
$this->assertEquals($section0->id, $cms[$forum->cmid]->section);
|
||||
$this->assertEquals($section1->id, $cms[$page->cmid]->section); // Not changed.
|
||||
$this->assertEquals($section0->id, $cms[$quiz->cmid]->section);
|
||||
|
||||
// 4. Module id is not present in course_section.sequence (integrity check with $fullcheck = true).
|
||||
$this->assertEquals(array('Failed integrity check for course ['. $course->id. ']. Course module ['.
|
||||
$page->cmid. '] is missing from sequence of section ['. $section1->id. ']'),
|
||||
course_integrity_check($course->id, null, null, true)); // Error!
|
||||
$section0 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 0));
|
||||
$section1 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 1));
|
||||
$cms = $DB->get_records('course_modules', array('course' => $course->id), 'id', 'id,section');
|
||||
$this->assertEquals($forum->cmid. ','. $quiz->cmid, $section0->sequence);
|
||||
$this->assertEquals(''. $page->cmid, $section1->sequence); // Yay, module added to section.
|
||||
$this->assertEquals($section0->id, $cms[$forum->cmid]->section);
|
||||
$this->assertEquals($section1->id, $cms[$page->cmid]->section); // Not changed.
|
||||
$this->assertEquals($section0->id, $cms[$quiz->cmid]->section);
|
||||
|
||||
// 5. Module id is not present in course_section.sequence and it's section is invalid (integrity check with $fullcheck = true).
|
||||
$DB->update_record('course_modules', array('id' => $page->cmid, 'section' => 8765));
|
||||
$DB->update_record('course_sections', array('id' => $section1->id, 'sequence' => ''));
|
||||
$this->assertEquals(array(
|
||||
'Failed integrity check for course ['. $course->id. ']. Course module ['. $page->cmid.
|
||||
'] is missing from sequence of section ['. $section1->id. ']',
|
||||
'Failed integrity check for course ['. $course->id. ']. Course module ['. $page->cmid.
|
||||
'] points to section [8765] instead of ['. $section0->id. ']'),
|
||||
course_integrity_check($course->id, null, null, true));
|
||||
$section0 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 0));
|
||||
$section1 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 1));
|
||||
$cms = $DB->get_records('course_modules', array('course' => $course->id), 'id', 'id,section');
|
||||
$this->assertEquals($forum->cmid. ','. $quiz->cmid. ','. $page->cmid, $section0->sequence); // Module added to section.
|
||||
$this->assertEquals($section0->id, $cms[$forum->cmid]->section);
|
||||
$this->assertEquals($section0->id, $cms[$page->cmid]->section); // Section changed to section0.
|
||||
$this->assertEquals($section0->id, $cms[$quiz->cmid]->section);
|
||||
|
||||
// 6. Module is deleted from course_modules but not deleted in sequence (integrity check with $fullcheck = true).
|
||||
$DB->delete_records('course_modules', array('id' => $page->cmid));
|
||||
$this->assertEquals(array('Failed integrity check for course ['. $course->id. ']. Course module ['.
|
||||
$page->cmid. '] does not exist but is present in the sequence of section ['. $section0->id. ']'),
|
||||
course_integrity_check($course->id, null, null, true));
|
||||
$section0 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 0));
|
||||
$section1 = $DB->get_record('course_sections', array('course' => $course->id, 'section' => 1));
|
||||
$cms = $DB->get_records('course_modules', array('course' => $course->id), 'id', 'id,section');
|
||||
$this->assertEquals($forum->cmid. ','. $quiz->cmid, $section0->sequence);
|
||||
$this->assertEmpty($section1->sequence);
|
||||
$this->assertEquals($section0->id, $cms[$forum->cmid]->section);
|
||||
$this->assertEquals($section0->id, $cms[$quiz->cmid]->section);
|
||||
$this->assertEquals(2, count($cms));
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user