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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
- */
- $old_file_version = '1.8.6.1';
- $new_file_version = '1.8.6.2';
- // 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)
- $m_q_list = get_sql_file_contents('migrate-db-'.$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);
- }
- }
- }
- // There might now be multiple course coaches. This implies
- // moving the previous course coach elements from the
- // session_rel_course table to the session_rel_course_rel_user
- // table with status 2
- // Select all the current course coaches in sessions
- $sql = "SELECT id_session, course_code, id_coach
- FROM session_rel_course
- ORDER BY id_session, course_code";
- $res = Database::query($sql);
- if ($res === false) {
- error_log('Could not query session course coaches table: '.Database::error());
- } else {
- // For each coach found, add him as a course coach in the
- // session_rel_course_rel_user table
- while ($row = Database::fetch_array($res)) {
- // Check whether coach is a student
- $sql = "SELECT 1 FROM session_rel_course_rel_user
- WHERE id_session='{$row[id_session]}' AND course_code='{$row[course_code]}' AND id_user='{$row[id_coach]}'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) > 0) {
- $sql_upd = "UPDATE session_rel_course_rel_user SET status=2
- WHERE id_session='{$row[id_session]}' AND course_code='{$row[course_code]}' AND id_user='{$row[id_coach]}'";
- } else {
- $sql_ins = "INSERT INTO session_rel_course_rel_user(id_session, course_code, id_user, status)
- VALUES ('{$row[id_session]}','{$row[course_code]}','{$row[id_coach]}',2)";
- }
- $rs_coachs = Database::query($sql_ins);
- if ($rs_coachs === false) {
- error_log('Could not move course coach to new table: '.Database::error());
- }
- }
- }
- // Remove duplicated rows for 'show_tutor_data' AND 'show_teacher_data' into settings_current table
- $sql = "SELECT id FROM settings_current WHERE variable='show_tutor_data' ORDER BY id";
- $rs_chk_id1 = Database::query($sql);
- if ($rs_chk_id1 === false) {
- error_log('Could not query settings_current ids table: '.Database::error());
- } else {
- $i = 1;
- while ($row_id1 = Database::fetch_array($rs_chk_id1)) {
- $id = $row_id1['id'];
- if ($i > 1) {
- $sql_del = "DELETE FROM settings_current WHERE id = '$id'";
- Database::query($sql_del);
- }
- $i++;
- }
- }
- $sql = "SELECT id FROM settings_current WHERE variable='show_teacher_data' ORDER BY id";
- $rs_chk_id2 = Database::query($sql);
- if ($rs_chk_id2 === false) {
- error_log('Could not query settings_current ids table: '.Database::error());
- } else {
- $i = 1;
- while ($row_id2 = Database::fetch_array($rs_chk_id2)) {
- $id = $row_id2['id'];
- if ($i > 1) {
- $sql_del = "DELETE FROM settings_current WHERE id = '$id'";
- Database::query($sql_del);
- }
- $i++;
- }
- }
- }
- }
- // Now clean the deprecated id_coach field from the session_rel_course table
- $m_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-post.sql', 'main');
- if (count($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-1.8.6.1-1.8.6.2.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($row_course['db_name']);
- }
- foreach ($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);
- }
- }
- }
- // Fill description type into course_description table
- $t_course_description = $row_course['db_name'].".course_description";
- if ($singleDbForm) {
- $t_course_description = "$prefix{$row_course['db_name']}_course_description";
- }
- // Get all ids and update description_type field with them from course_description table
- $sql_sel = "SELECT id FROM $t_course_description";
- $rs_sel = Database::query($sql_sel);
- if ($rs_sel === false) {
- error_log('Could not query course_description ids table: '.Database::error());
- } else {
- if (Database::num_rows($rs_sel) > 0) {
- while ($row_ids = Database::fetch_array($rs_sel)) {
- $description_id = $row_ids['id'];
- $sql_upd = "UPDATE $t_course_description SET description_type='$description_id' WHERE id='$description_id'";
- Database::query($sql_upd);
- }
- }
- }
- }
- }
- }
- }
- } else {
- echo 'You are not allowed here !';
- }
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