Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/install/update-db-1.9.0-1.10.0.inc.php

204 lines
9.3 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Chamilo LMS
*
* Update the Chamilo database from an older Chamilo 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
*/
$old_file_version = '1.9.0';
$new_file_version = '1.10.0';
// Check if we come from index.php or update_courses.php - otherwise display error msg
if (defined('SYSTEM_INSTALLATION')) {
// Check if the current Chamilo install is eligible for update
if (empty($_configuration)) {
echo '<strong>'.get_lang('Error').' !</strong> Chamilo '.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...
$only_test = false;
if (defined('SYSTEM_INSTALLATION')) {
if ($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)
$m_q_list = get_sql_file_contents($new_file_version.'/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) {
$app['monolog']->addError('Database name '.$dbNameForm.' is too long, skipping');
} elseif (!in_array($dbNameForm, $dblist)) {
$app['monolog']->addError('Database '.$dbNameForm.' was not found, skipping');
} else {
iDatabase::select_db($dbNameForm);
foreach ($m_q_list as $query) {
if ($only_test) {
$app['monolog']->addInfo("iDatabase::query($dbNameForm,$query)");
} else {
$res = iDatabase::query($query);
if ($res === false) {
$app['monolog']->addError('Error in '.$query.': '.iDatabase::error());
}
}
}
}
}
if (INSTALL_TYPE_UPDATE == 'update') {
$session_table = "$dbNameForm.session";
$session_rel_course_table = "$dbNameForm.session_rel_course";
$session_rel_course_rel_user_table = "$dbNameForm.session_rel_course_rel_user";
$course_table = "$dbNameForm.course";
//Fixes new changes in sessions
$sql = "SELECT id, date_start, date_end, nb_days_access_before_beginning, nb_days_access_after_end FROM $session_table ";
$result = iDatabase::query($sql);
while ($session = Database::fetch_array($result)) {
$session_id = $session['id'];
//Fixing date_start
if (isset($session['date_start']) && !empty($session['date_start']) && $session['date_start'] != '0000-00-00') {
$datetime = $session['date_start'].' 00:00:00';
$update_sql = "UPDATE $session_table SET display_start_date = '$datetime' , access_start_date = '$datetime' WHERE id = $session_id";
iDatabase::query($update_sql);
//Fixing nb_days_access_before_beginning
if (!empty($session['nb_days_access_before_beginning'])) {
$datetime = api_strtotime($datetime, 'UTC') - (86400 * $session['nb_days_access_before_beginning']);
$datetime = api_get_utc_datetime($datetime);
$update_sql = "UPDATE $session_table SET coach_access_start_date = '$datetime' WHERE id = $session_id";
iDatabase::query($update_sql);
}
}
//Fixing end_date
if (isset($session['date_end']) && !empty($session['date_end']) && $session['date_end'] != '0000-00-00') {
$datetime = $session['date_end'].' 00:00:00';
$update_sql = "UPDATE $session_table SET display_end_date = '$datetime', access_end_date = '$datetime' WHERE id = $session_id";
iDatabase::query($update_sql);
//Fixing nb_days_access_before_beginning
if (!empty($session['nb_days_access_after_end'])) {
$datetime = api_strtotime($datetime, 'UTC') + (86400 * $session['nb_days_access_after_end']);
$datetime = api_get_utc_datetime($datetime);
$update_sql = "UPDATE $session_table SET coach_access_end_date = '$datetime' WHERE id = $session_id";
iDatabase::query($update_sql);
}
}
}
//Fixes new changes session_rel_course
$sql = "SELECT id_session, sc.course_code, c.id FROM $course_table c INNER JOIN $session_rel_course_table sc ON sc.course_code = c.code";
$result = iDatabase::query($sql);
while ($row = Database::fetch_array($result)) {
$sql = "UPDATE $session_rel_course_table SET course_id = {$row['id']}
WHERE course_code = '{$row['course_code']}' AND id_session = {$row['id_session']} ";
iDatabase::query($sql);
}
//Fixes new changes in session_rel_course_rel_user
$sql = "SELECT id_session, sc.course_code, c.id FROM $course_table c INNER JOIN $session_rel_course_rel_user_table sc ON sc.course_code = c.code";
$result = iDatabase::query($sql);
while ($row = Database::fetch_array($result)) {
$sql = "UPDATE $session_rel_course_rel_user_table SET course_id = {$row['id']}
WHERE course_code = '{$row['course_code']}' AND id_session = {$row['id_session']} ";
iDatabase::query($sql);
}
//Updating c_quiz_order
$teq = "$dbNameForm.c_quiz";
$seq = "SELECT c_id, session_id, id FROM $teq ORDER BY c_id, session_id, id";
$req = iDatabase::query($seq);
$to = "$dbNameForm.c_quiz_order";
$do = "DELETE FROM $to";
Database::query($do);
$cid = 0;
$temp_session_id = 0;
$order = 1;
while ($row = Database::fetch_assoc($req)) {
if ($row['c_id'] != $cid) {
$cid = $row['c_id'];
$temp_session_id = $row['session_id'];
$order = 1;
} elseif ($row['session_id'] != $temp_session_id) {
$temp_session_id = $row['session_id'];
$order = 1;
}
$ins = "INSERT INTO $to (c_id, session_id, exercise_id, exercise_order)".
" VALUES ($cid, $temp_session_id, {$row['id']}, $order)";
$rins = iDatabase::query($ins);
$order++;
}
$sql = "SELECT id FROM $dbNameForm.course_field WHERE field_variable = 'special_course'";
$result = Database::query($sql);
$fieldData = Database::fetch_array($result, 'ASSOC');
$id = $fieldData['id'];
$sql = "INSERT INTO $dbNameForm.course_field_options (field_id, option_value, option_display_text, option_order)
VALUES ('$id', '1', '".get_lang('Yes')."', '1')";
$result = Database::query($sql);
$sql = "INSERT INTO $dbNameForm.course_field_options (field_id, option_value, option_display_text, option_order)
VALUES ('$id', '0', '".get_lang('No')."', '2')";
Database::query($sql);
}
}
}