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140 lines
4.1 KiB
140 lines
4.1 KiB
<?php
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/**
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*
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*
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* @package chamilo.admin
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* @author Laurent Opprecht <laurent@opprecht.info>
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* @license see /license.txt
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*/
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$language_file = array('admin');
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$cidReset = true;
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require_once '../inc/global.inc.php';
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require_once __DIR__ . '/admin_page.class.php';
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class SystemManagementPage extends AdminPage
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{
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const PARAM_ACTION = 'action';
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const PARAM_SECURITY_TOKEN = 'sec_token';
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const ACTION_DEFAULT = 'list';
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const ACTION_SECURITY_FAILED = 'security_failed';
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function get_action()
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{
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$result = Request::get(self::PARAM_ACTION, self::ACTION_DEFAULT);
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if ($result != self::ACTION_DEFAULT) {
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$passed = Security::check_token('get');
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Security::clear_token();
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$result = $passed ? $result : self::ACTION_SECURITY_FAILED;
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}
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return $result;
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}
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function url($params)
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{
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$token = Security::get_token();
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$params[self::PARAM_SECURITY_TOKEN] = $token;
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return Uri::here($params);
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}
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function display_default()
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{
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$message = get_lang('RemoveOldDatabaseMessage');
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$url = $this->url(array(self::PARAM_ACTION => 'drop_old_databases'));
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$go = get_lang('go');
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$url = api_get_current_access_url_id();
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$message2 = '';
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if ($url === 1) {
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if (api_is_windows_os()) {
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$message2 .= get_lang('SpaceUsedOnSystemCannotBeMeasuresOnWindows');
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} else {
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$dir = api_get_path(SYS_PATH);
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$du = exec('du -sh '.$dir,$err);
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list($size,$none) = explode("\t",$du);
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$limit = $_configuration[$url]['hosting_limit_disk_space'];
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$message2 .= sprintf(get_lang('TotalSpaceUsedByPortalXLimitIsYMB'),$size,$limit);
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}
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}
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if (!empty($message2)) {
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$message2 = '<li>'.$message2.'</li>';
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}
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echo <<<EOT
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<ul>
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<li>
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<div>$message</div>
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<a href=$url>$go</a>
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</li>
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$message2
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</ul>
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EOT;
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}
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function display_security_failed()
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{
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Display::display_error_message(get_lang('NotAuthorized'));
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}
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function display_content()
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{
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$action = $this->get_action();
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switch ($action) {
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case self::ACTION_DEFAULT:
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$this->display_default();
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return;
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case self::ACTION_SECURITY_FAILED:
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$this->display_security_failed();
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return;
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default:
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$f = array($this, $action);
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if (is_callable($f)) {
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call_user_func($f);
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return;
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} else {
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Display::display_error_message(get_lang('UnknownAction'));
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}
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return;
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}
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}
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/**
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*
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* @return ResultSet
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*/
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function get_old_databases()
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{
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$course_db = Database::get_main_table(TABLE_MAIN_COURSE);
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$sql = "SELECT id, code, db_name, directory, course_language FROM $course_db WHERE target_course_code IS NULL AND db_name IS NOT NULL ORDER BY code";
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return new ResultSet($sql);
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}
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function drop_old_databases()
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{
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$result = array();
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$courses = $this->get_old_databases();
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$course_db = Database::get_main_table(TABLE_MAIN_COURSE);
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foreach ($courses as $course) {
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$drop_statement = 'DROP DATABASE ' . $course['db_name'];
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$success = Database::query($drop_statement);
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if ($sucess) {
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/*
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* Note that Database::update do not supports null statements so
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* we do it by hand here.
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*/
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$id = $course['id'];
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$update_statement = "UPDATE $course_db SET db_name = NULL WHERE id = $id";
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Database::query($update_statement);
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$result[] = $course['db_name'];
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}
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}
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Display::display_confirmation_message(get_lang('OldDatabasesDeleted') . ' ' . count($result));
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return $result;
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}
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}
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$page = new SystemManagementPage();
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$page->display();
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