Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/install/update-db-1.8.4-1.8.5.inc.php

283 lines
9.3 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Chamilo LMS
*
* Update the Chamilo database from an older Dokeos version
* Notice : This script has to be included by index.php
* or update_courses.php (deprecated).
*
* @package chamilo.install
* @todo
* - conditional changing of tables. Currently we execute for example
* ALTER TABLE `$dbNameForm`.`cours`
* instructions without checking wether this is necessary.
* - reorganise code into functions
* @todo use database library
*/
Log::notice('Entering file');
$old_file_version = '1.8.4';
$new_file_version = '1.8.5';
// Check if we come from index.php or update_courses.php - otherwise display error msg
if (defined('SYSTEM_INSTALLATION')) {
// Check if the current Dokeos install is eligible for update
if (!file_exists('../inc/conf/configuration.php')) {
echo '<strong>'.get_lang('Error').' !</strong> Dokeos '.implode('|', $updateFromVersion).' '.get_lang('HasNotBeenFound').'.<br /><br />
'.get_lang('PleasGoBackToStep1').'.
<p><button type="submit" class="back" name="step1" value="&lt; '.get_lang('Back').'">'.get_lang('Back').'</button></p>
</td></tr></table></form></body></html>';
exit ();
}
$_configuration['db_glue'] = get_config_param('dbGlu');
if ($singleDbForm) {
$_configuration['table_prefix'] = get_config_param('courseTablePrefix');
$_configuration['main_database'] = get_config_param('mainDbName');
$_configuration['db_prefix'] = get_config_param('dbNamePrefix');
}
$dbScormForm = preg_replace('/[^a-zA-Z0-9_\-]/', '', $dbScormForm);
if (!empty($dbPrefixForm) && strpos($dbScormForm, $dbPrefixForm) !== 0) {
$dbScormForm = $dbPrefixForm.$dbScormForm;
}
if (empty($dbScormForm) || $dbScormForm == 'mysql' || $dbScormForm == $dbPrefixForm) {
$dbScormForm = $dbPrefixForm.'scorm';
}
/* Normal upgrade procedure: start by updating main, statistic, user databases */
// If this script has been included by index.php, not update_courses.php, so
// that we want to change the main databases as well...
$only_test = false;
$log = 0;
if (defined('SYSTEM_INSTALLATION')) {
if ($singleDbForm) {
$dbStatsForm = $dbNameForm;
$dbScormForm = $dbNameForm;
$dbUserForm = $dbNameForm;
}
/**
* Update the databases "pre" migration
*/
include '../lang/english/create_course.inc.php';
if ($languageForm != 'english') {
// languageForm has been escaped in index.php
include '../lang/'.$languageForm.'/create_course.inc.php';
}
//get the main queries list (m_q_list)
$m_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'main');
if (count($m_q_list) > 0) {
// Now use the $m_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if (strlen($dbNameForm) > 40) {
error_log('Database name '.$dbNameForm.' is too long, skipping', 0);
} elseif (!in_array($dbNameForm, $dblist)) {
error_log('Database '.$dbNameForm.' was not found, skipping', 0);
} else {
Database::select_db($dbNameForm);
foreach ($m_q_list as $query) {
if ($only_test) {
error_log("Database::query($dbNameForm,$query)", 0);
} else {
$res = Database::query($query);
if ($log) {
error_log("In $dbNameForm, executed: $query", 0);
}
}
}
}
}
// Get the stats queries list (s_q_list)
$s_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'stats');
if (count($s_q_list) > 0) {
// Now use the $s_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if (strlen($dbStatsForm) > 40) {
error_log('Database name '.$dbStatsForm.' is too long, skipping', 0);
} elseif (!in_array($dbStatsForm, $dblist)) {
error_log('Database '.$dbStatsForm.' was not found, skipping', 0);
} else {
Database::select_db($dbStatsForm);
foreach ($s_q_list as $query) {
if ($only_test) {
error_log("Database::query($dbStatsForm,$query)", 0);
} else {
$res = Database::query($query);
if ($log) {
error_log("In $dbStatsForm, executed: $query", 0);
}
}
}
}
}
// Get the user queries list (u_q_list)
$u_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'user');
if (count($u_q_list) > 0) {
// Now use the $u_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if (strlen($dbUserForm) > 40) {
error_log('Database name '.$dbUserForm.' is too long, skipping', 0);
} elseif (!in_array($dbUserForm, $dblist)) {
error_log('Database '.$dbUserForm.' was not found, skipping', 0);
} else {
Database::select_db($dbUserForm);
foreach ($u_q_list as $query){
if ($only_test) {
error_log("Database::query($dbUserForm,$query)", 0);
error_log("In $dbUserForm, executed: $query", 0);
} else {
$res = Database::query($query);
}
}
}
}
// The SCORM database doesn't need a change in the pre-migrate part - ignore
}
$prefix = '';
if ($singleDbForm) {
$prefix = get_config_param ('table_prefix');
}
// Get the courses databases queries list (c_q_list)
$c_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'course');
if (count($c_q_list) > 0) {
//get the courses list
if (strlen($dbNameForm) > 40) {
error_log('Database name '.$dbNameForm.' is too long, skipping', 0);
} elseif (!in_array($dbNameForm, $dblist)) {
error_log('Database '.$dbNameForm.' was not found, skipping', 0);
} else {
Database::select_db($dbNameForm);
$res = Database::query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL ORDER BY code");
if ($res === false) { die('Error while querying the courses list in update_db-1.8.4-1.8.5.inc.php'); }
if (Database::num_rows($res) > 0) {
$i = 0;
$list = array();
while($row = Database::fetch_array($res)) {
$list[] = $row;
$i++;
}
foreach ($list as $row_course) {
// Now use the $c_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if (!$singleDbForm) { //otherwise just use the main one
Database::select_db($row_course['db_name']);
}
Log::notice('Course db ' . $row_course['db_name']);
foreach ($c_q_list as $query) {
if ($singleDbForm) {
$query = preg_replace('/^(UPDATE|ALTER TABLE|CREATE TABLE|DROP TABLE|INSERT INTO|DELETE FROM)\s+(\w*)(.*)$/', "$1 $prefix{$row_course['db_name']}_$2$3", $query);
}
if ($only_test) {
error_log("Database::query(".$row_course['db_name'].",$query)", 0);
} else {
$res = Database::query($query);
if ($log) {
error_log("In ".$row_course['db_name'].", executed: $query", 0);
}
}
}
$mytable = $row_course['db_name'].".lp_item";
if ($singleDbForm) {
$mytable = "$prefix{$row_course['db_name']}_lp_item";
}
$mysql = "SELECT * FROM $mytable WHERE min_score != 0 AND prerequisite != ''";
$myres = Database::query($query);
if ($myres !== false && Database::num_rows($myres) > 0) {
while ($myrow = Database::fetch_array($myres)) {
if (is_numeric($myrow['prerequisite'])) {
$mysql2 = "UPDATE $mytable SET mastery_score = '".$myrow['min_score']."' WHERE id = '".$myrow['prerequisite']."'";
$myres2 = Database::query($mysql2);
//echo $mysql2."<br />";
if ($myres2 !== false) {
$mysql3 = "UPDATE $mytable SET min_score = 0 WHERE id = '".$myrow['id']."'";
$myres3 = Database::query($mysql3);
//echo $mysql3."<br />";
}
}
}
}
// Work Tool Folder Update
// We search into DB all the folders in the work tool
if ($singleDbForm) {
$my_course_table = "$prefix{$row_course['db_name']}_student_publication";
} else {
$my_course_table = $row_course['db_name'].".student_publication";
}
$sys_course_path = $_configuration['root_sys'].$_configuration['course_folder'];
$course_dir = $sys_course_path.$row_course['directory'].'/work';
$dir_to_array = my_directory_to_array($course_dir, true);
$only_dir = array();
$sql_select = "SELECT filetype FROM " . $my_course_table . " WHERE filetype = 'folder'";
$result = Database::query($sql_select);
$num_row = Database::num_rows($result);
// Check if there are already folder registered
if ($num_row == 0) {
for ($i = 0; $i < count($dir_to_array); $i++) {
$only_dir[] = substr($dir_to_array[$i], strlen($course_dir), strlen($dir_to_array[$i]));
}
for ($i = 0; $i < count($only_dir); $i++) {
$sql_insert_all= "INSERT INTO " . $my_course_table . " SET url = '" . $only_dir[$i] . "', " .
"title = '',
description = '',
author = '',
active = '0',
accepted = '1',
filetype = 'folder',
post_group_id = '0',
sent_date = '0000-00-00 00:00:00' ";
Database::query($sql_insert_all);
}
}
}
}
}
}
} else {
echo 'You are not allowed here !' . __FILE__;
}