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- <?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
- */
- // 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="< ' . 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)
- $m_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'main');
- if (count($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)
- $s_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'stats');
- if (count($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)
- $u_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'user');
- if (count($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 = $_configuration['table_prefix'];
- }
- // Get the courses databases queries list (c_q_list)
- $c_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'course');
- if (count($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);
- $res = Database::query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL");
- if ($res === false) {
- die('Error while querying the courses list in update_db-1.8.0-1.8.2.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']);
- }
- $app['monolog']->addInfo('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);
- }
- }
- }
- }
- }
- }
- }
- } else {
- echo 'You are not allowed here !' . __FILE__;
- }
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