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- <?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="< '.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);
- }
- }
- }
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