Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/tests/scripts/delete_old_tasks_by_date.php

97 lines
3.3 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This script removes previous tasks from disk to clear space.
* Configure the date on line 15 to change the date before which to delete,
* then delete the 'exit;' statement at line 13.
* This works based on dates works were uploaded in Chamilo.
* This script should be located inside the tests/scripts/ folder to work
* @author Yannick Warnier <yannick.warnier@beeznest.com>
*/
exit;
require __DIR__.'/../../main/inc/global.inc.php';
$beforeDate = '2020-08-31'; //session start date must be > to be considered
$simulate = false;
$taskNameFilter = ''; // fill with any value to only delete tasks that contain this text
if (PHP_SAPI !== 'cli') {
die('This script can only be executed from the command line');
}
echo PHP_EOL."Usage: php ".basename(__FILE__)." [options]".PHP_EOL;
echo "Where [options] can be ".PHP_EOL;
echo " -s Simulate execution - Do not delete anything, just show numbers".PHP_EOL.PHP_EOL;
echo "Processing...".PHP_EOL;
if (!empty($argv[1]) && $argv[1] == '-s') {
$simulate = true;
echo "Simulation mode is enabled.".PHP_EOL;
}
$coursesCodes = array();
$coursesDirs = array();
$table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT w.iid, w.c_id, w.url, w.sent_date, w.session_id, c.directory
FROM $table w, $tableCourse c
WHERE w.c_id = c.id
AND w.sent_date < '$beforeDate'
AND w.filetype = 'file'
AND w.contains_file = 1
AND w.url != ''";
// url empty probably means we already deleted the file
$worksResult = Database::query($sql);
$countWorks = Database::num_rows($worksResult);
$pathToReplace = api_get_path(SYS_COURSE_PATH).'%s/%s';
$worksResultGeneral = Database::query(
"SELECT count(iid) as nbr
FROM $table
WHERE filetype = 'file'
AND contains_file = 1
AND url != ''"
);
if ($worksResultGeneral === false) {
die("Error querying total works\n");
}
$countAllWorks = Database::result($worksResultGeneral, 0, 'nbr');
echo "[".time()."]"
." Found $countWorks works before $beforeDate on a total of $countAllWorks works."."\n";
$totalSize = 0;
$countDeleted = 0;
while ($work = Database::fetch_assoc($worksResult)) {
$path = sprintf($pathToReplace, $work['directory'], $work['url']);
if (file_exists($path)) {
//echo $path.' found'.PHP_EOL;
$sqlUpdate = "UPDATE $table
SET url = '',
contains_file = 0
WHERE iid = ".$work['iid'];
//echo $sqlUpdate.PHP_EOL;
$totalSize += filesize($path);
$countDeleted++;
if ($simulate == false) {
exec('rm -f '.$path);
Database::query($sqlUpdate);
}
// We don't really need to delete the work itself, but if we wanted
// that, the following code would do it
/*
api_item_property_delete(
api_get_course_info_by_id($work['c_id']),
TOOL_STUDENTPUBLICATION,
$work['iid'],
null,
null,
$work['session_id']
);
$sqlDelete = "DELETE FROM $table WHERE iid = ".$work['iid'];
Database::query($sqlUpdate);
*/
}
}
echo "[".time()."] Deleted $countDeleted works, for a total of ".round($totalSize / (1024 * 1024))." MB....".PHP_EOL;
exit;