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167 lines
7.8 KiB
167 lines
7.8 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Chamilo LMS
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*
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* Update the Chamilo database from an older Chamilo version
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* Notice : This script has to be included by index.php
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* or update_courses.php (deprecated).
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*
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* @package chamilo.install
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* @todo
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* - conditional changing of tables. Currently we execute for example
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* ALTER TABLE $dbNameForm.cours
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* instructions without checking wether this is necessary.
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* - reorganise code into functions
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* @todo use database library
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*/
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Log::notice('Entering file');
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$old_file_version = '1.9.0';
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$new_file_version = '1.10.0';
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// Check if we come from index.php or update_courses.php - otherwise display error msg
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if (defined('SYSTEM_INSTALLATION')) {
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// Check if the current Chamilo install is eligible for update
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if (!file_exists('../inc/conf/configuration.php')) {
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echo '<strong>'.get_lang('Error').' !</strong> Chamilo '.implode('|', $updateFromVersion).' '.get_lang('HasNotBeenFound').'.<br /><br />
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'.get_lang('PleasGoBackToStep1').'.
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<p><button type="submit" class="back" name="step1" value="< '.get_lang('Back').'">'.get_lang('Back').'</button></p>
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</td></tr></table></form></body></html>';
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exit ();
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}
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$_configuration['db_glue'] = get_config_param('dbGlu');
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if ($singleDbForm) {
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$_configuration['table_prefix'] = get_config_param('courseTablePrefix');
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$_configuration['main_database'] = get_config_param('mainDbName');
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$_configuration['db_prefix'] = get_config_param('dbNamePrefix');
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}
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$dbScormForm = preg_replace('/[^a-zA-Z0-9_\-]/', '', $dbScormForm);
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if (!empty($dbPrefixForm) && strpos($dbScormForm, $dbPrefixForm) !== 0) {
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$dbScormForm = $dbPrefixForm.$dbScormForm;
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}
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if (empty($dbScormForm) || $dbScormForm == 'mysql' || $dbScormForm == $dbPrefixForm) {
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$dbScormForm = $dbPrefixForm.'scorm';
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}
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/* Normal upgrade procedure: start by updating main, statistic, user databases */
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// If this script has been included by index.php, not update_courses.php, so
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// that we want to change the main databases as well...
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$only_test = false;
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if (defined('SYSTEM_INSTALLATION')) {
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if ($singleDbForm) {
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$dbStatsForm = $dbNameForm;
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$dbScormForm = $dbNameForm;
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$dbUserForm = $dbNameForm;
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}
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/**
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* Update the databases "pre" migration
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*/
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include '../lang/english/create_course.inc.php';
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if ($languageForm != 'english') {
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// languageForm has been escaped in index.php
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include '../lang/'.$languageForm.'/create_course.inc.php';
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}
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// Get the main queries list (m_q_list)
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$m_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'main');
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if (count($m_q_list) > 0) {
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// Now use the $m_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbNameForm) > 40) {
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Log::error('Database name '.$dbNameForm.' is too long, skipping');
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} elseif (!in_array($dbNameForm, $dblist)) {
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Log::error('Database '.$dbNameForm.' was not found, skipping');
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} else {
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iDatabase::select_db($dbNameForm);
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foreach ($m_q_list as $query){
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if ($only_test) {
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Log::notice("iDatabase::query($dbNameForm,$query)");
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} else {
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$res = iDatabase::query($query);
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if ($res === false) {
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Log::error('Error in '.$query.': '.iDatabase::error());
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}
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}
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}
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}
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}
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if (INSTALL_TYPE_UPDATE == 'update') {
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$session_table = "$dbNameForm.session";
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$session_rel_course_table = "$dbNameForm.session_rel_course";
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$session_rel_course_rel_user_table = "$dbNameForm.session_rel_course_rel_user";
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$course_table = "$dbNameForm.course";
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//Fixes new changes in sessions
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$sql = "SELECT id, date_start, date_end, nb_days_access_before_beginning, nb_days_access_after_end FROM $session_table ";
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$result = iDatabase::query($sql);
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while ($session = Database::fetch_array($result)) {
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$session_id = $session['id'];
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//Fixing date_start
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if (isset($session['date_start']) && !empty($session['date_start']) && $session['date_start'] != '0000-00-00') {
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$datetime = $session['date_start'].' 00:00:00';
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$update_sql = "UPDATE $session_table SET display_start_date = '$datetime' , access_start_date = '$datetime' WHERE id = $session_id";
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iDatabase::query($update_sql);
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//Fixing nb_days_access_before_beginning
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if (!empty($session['nb_days_access_before_beginning'])) {
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$datetime = api_strtotime($datetime, 'UTC') - (86400*$session['nb_days_access_before_beginning']);
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$datetime = api_get_utc_datetime($datetime);
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$update_sql = "UPDATE $session_table SET coach_access_start_date = '$datetime' WHERE id = $session_id";
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iDatabase::query($update_sql);
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}
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}
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//Fixing end_date
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if (isset($session['date_end']) && !empty($session['date_end']) && $session['date_end'] != '0000-00-00') {
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$datetime = $session['date_end'].' 00:00:00';
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$update_sql = "UPDATE $session_table SET display_end_date = '$datetime' , access_end_date = '$datetime' WHERE id = $session_id";
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iDatabase::query($update_sql);
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//Fixing nb_days_access_before_beginning
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if (!empty($session['nb_days_access_after_end'])) {
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$datetime = api_strtotime($datetime, 'UTC') + (86400*$session['nb_days_access_after_end']);
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$datetime = api_get_utc_datetime($datetime);
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$update_sql = "UPDATE $session_table SET coach_access_end_date = '$datetime' WHERE id = $session_id";
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iDatabase::query($update_sql);
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}
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}
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}
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//Fixes new changes session_rel_course
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$sql = "SELECT id_session, sc.course_code, c.id FROM $course_table c INNER JOIN $session_rel_course_table sc ON sc.course_code = c.code";
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$result = iDatabase::query($sql);
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while ($row = Database::fetch_array($result)) {
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$sql = "UPDATE $session_rel_course_table SET course_id = {$row['id']} WHERE course_code = {$row['course_code']} AND id_session = {$row['id_session']} ";
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iDatabase::query($sql);
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}
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//Fixes new changes in session_rel_course_rel_user
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$sql = "SELECT id_session, sc.course_code, c.id FROM $course_table c INNER JOIN $session_rel_course_rel_user_table sc ON sc.course_code = c.code";
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$result = iDatabase::query($sql);
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while ($row = Database::fetch_array($result)) {
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$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']} ";
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iDatabase::query($sql);
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}
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}
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}
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} else {
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echo 'You are not allowed here !' . __FILE__;
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}
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