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- <?php
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2008 Dokeos SPRL
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) various contributors
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
- Mail: info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- * Update the Dokeos database from an older version
- * Notice : This script has to be included by index.php or update_courses.php
- *
- * @package dokeos.install
- * @todo
- * - conditional changing of tables. Currently we execute for example
- * ALTER TABLE `$dbNameForm`.`cours` instructions without checking wether this is necessary.
- * - reorganise code into functions
- * @todo use database library
- ==============================================================================
- */
- //load helper functions
- require_once("install_upgrade.lib.php");
- //remove memory and time limits as much as possible as this might be a long process...
- if(function_exists('ini_set'))
- {
- ini_set('memory_limit',-1);
- ini_set('max_execution_time',0);
- }else{
- error_log('Update-db script: could not change memory and time limits',0);
- }
- /*
- ==============================================================================
- MAIN CODE
- ==============================================================================
- */
- //check if we come from index.php or update_courses.php - otherwise display error msg
- if (defined('DOKEOS_INSTALL') || defined('DOKEOS_COURSE_UPDATE'))
- {
- //check if the current Dokeos install is elligible for update
- if (empty ($updateFromConfigFile) || !file_exists($_POST['updatePath'].$updateFromConfigFile) || !in_array(get_config_param('clarolineVersion'), $update_from_version_6))
- {
- echo '<b>'.get_lang('Error').' !</b> 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 ();
- }
- //get_config_param() comes from install_functions.inc.php and
- //actually gets the param from
- $_configuration['db_glue'] = get_config_param('dbGlu');
- if ($singleDbForm)
- {
- $_configuration['table_prefix'] = get_config_param('courseTablePrefix');
- $_configuration['main_database'] = get_config_param('mainDbName');
- $_configuration['db_prefix'] = get_config_param('dbNamePrefix');
- }
- $dbScormForm = eregi_replace('[^a-z0-9_-]', '', $dbScormForm);
- if (!empty ($dbPrefixForm) && !ereg('^'.$dbPrefixForm, $dbScormForm))
- {
- $dbScormForm = $dbPrefixForm.$dbScormForm;
- }
- if (empty ($dbScormForm) || $dbScormForm == 'mysql' || $dbScormForm == $dbPrefixForm)
- {
- $dbScormForm = $dbPrefixForm.'scorm';
- }
- $res = @mysql_connect($dbHostForm, $dbUsernameForm, $dbPassForm);
- //if error on connection to the database, show error and exit
- if ($res === false)
- {
- //$no = mysql_errno();
- //$msg = mysql_error();
- //echo '<hr>['.$no.'] - '.$msg.'<hr>';
- echo get_lang('DBServerDoesntWorkOrLoginPassIsWrong').'.<br /><br />
- '.get_lang('PleaseCheckTheseValues').' :<br /><br />
- <b>'.get_lang('DBHost').'</b> : '.$dbHostForm.'<br />
- <b>'.get_lang('DBLogin').'</b> : '.$dbUsernameForm.'<br />
- <b>'.get_lang('DBPassword').'</b> : '.$dbPassForm.'<br /><br />
- '.get_lang('PleaseGoBackToStep').' '. (defined('DOKEOS_INSTALL') ? '3' : '1').'.
- <p><button type="submit" class="back" name="step'. (defined('DOKEOS_INSTALL') ? '3' : '1').'" value="< '.get_lang('Back').'">'.get_lang('Back').'</button></p>
- </td></tr></table></form></body></html>';
- exit ();
- }
- // The Dokeos system has not been designed to use special SQL modes that were introduced since MySQL 5
- @mysql_query("set session sql_mode='';");
- $dblistres = mysql_list_dbs();
- $dblist = array();
- while ($row = mysql_fetch_object($dblistres)) {
- $dblist[] = $row->Database;
- }
- /*
- -----------------------------------------------------------
- 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;
- $log = 0;
- if (defined('DOKEOS_INSTALL'))
- {
- if ($singleDbForm)
- {
- if(empty($dbStatsForm)) $dbStatsForm = $dbNameForm;
- if(empty($dbScormForm)) $dbScormForm = $dbNameForm;
- if(empty($dbUserForm)) $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)
- $m_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-pre.sql','main');
- if(count($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{
- mysql_select_db($dbNameForm);
- foreach($m_q_list as $query){
- if($only_test){
- error_log("mysql_query($dbNameForm,$query)",0);
- }else{
- $res = mysql_query($query);
- if($log)
- {
- error_log("In $dbNameForm, executed: $query",0);
- }
- }
- }
- }
- }
- //get the stats queries list (s_q_list)
- $s_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-pre.sql','stats');
- if(count($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{
- mysql_select_db($dbStatsForm);
- foreach($s_q_list as $query){
- if($only_test){
- error_log("mysql_query($dbStatsForm,$query)",0);
- }else{
- $res = mysql_query($query);
- if($log)
- {
- error_log("In $dbStatsForm, executed: $query",0);
- }
- }
- }
- }
- }
- //get the user queries list (u_q_list)
- $u_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-pre.sql','user');
- if(count($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{
- mysql_select_db($dbUserForm);
- foreach($u_q_list as $query){
- if($only_test){
- error_log("mysql_query($dbUserForm,$query)",0);
- error_log("In $dbUserForm, executed: $query",0);
- }else{
- $res = mysql_query($query);
- }
- }
- }
- }
- //the SCORM database doesn't need a change in the pre-migrate part - ignore
- }
- /*
- -----------------------------------------------------------
- Update the Dokeos course databases
- this part can be accessed in two ways:
- - from the normal upgrade process
- - from the script update_courses.php,
- which is used to upgrade more than MAX_COURSE_TRANSFER courses
- Every time this script is accessed, only
- MAX_COURSE_TRANSFER courses are upgraded.
- -----------------------------------------------------------
- */
- $prefix = '';
- if ($singleDbForm)
- {
- $prefix = $_configuration['table_prefix'];
- }
- //get the courses databases queries list (c_q_list)
- $c_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-pre.sql','course');
- if(count($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 '.$dbNameForm.' was not found, skipping',0);
- }else{
- mysql_select_db($dbNameForm);
- $res = mysql_query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL");
- if($res===false){die('Error while querying the courses list in update_db.inc.php');}
- if(mysql_num_rows($res)>0)
- {
- $i=0;
- $list = array();
- //while( ($i < MAX_COURSE_TRANSFER) && ($row = mysql_fetch_array($res)))
- while($row = mysql_fetch_array($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
- {
- mysql_select_db($row_course['db_name']);
- }
- foreach($c_q_list as $query)
- {
- if ($singleDbForm) //otherwise just use the main one
- {
- $query = preg_replace('/^(UPDATE|ALTER TABLE|CREATE TABLE|DROP TABLE|INSERT INTO|DELETE FROM)\s+(\w*)(.*)$/',"$1 $prefix{$row_course['db_name']}_$2$3",$query);
- }
- if($only_test)
- {
- error_log("mysql_query(".$row_course['db_name'].",$query)",0);
- }else{
- $res = mysql_query($query);
- if($log)
- {
- error_log("In ".$row_course['db_name'].", executed: $query",0);
- }
- }
- }
- //prepare reusable users list to avoid repetition of the SQL query, but only select
- //users from the current course to avoid blowing the memory limit
- $users_list = array();
- $sql_uc = "SELECT u.user_id as ui, u.firstname as fn, u.lastname as ln " .
- " FROM $dbNameForm.user u, $dbNameForm.course_rel_user cu " .
- " WHERE cu.course_code = '".$row_course['code']."' " .
- " AND u.user_id = cu.user_id";
- $res_uc = mysql_query($sql_uc);
- while($user_row = mysql_fetch_array($res_uc))
- {
- $users_list[$user_row['fn'].' '.$user_row['ln']] = $user_row['ui'];
- }
- //update course manually
- //update group_category.forum_state ?
- //update group_info.tutor_id (put it in group_tutor table?) ?
- //update group_info.forum_state, forum_id ?
- //update forum tables (migrate from bb_ tables to forum_ tables)
- //migrate categories
- $prefix_course = $prefix;
- if($singleDbForm)
- {
- $prefix_course = $prefix.$row_course['db_name']."_";
- }
- $sql_orig = "SELECT * FROM ".$prefix_course."bb_categories";
- $res_orig = mysql_query($sql_orig);
- $order = 1;
- while($row = mysql_fetch_array($res_orig)){
- $myorder = (empty($row['cat_order'])?$order:$row['cat_order']);
- $sql = "INSERT INTO ".$prefix_course."forum_category " .
- "(cat_id,cat_title,cat_comment,cat_order,locked) VALUES " .
- "('".$row['cat_id']."','".mysql_real_escape_string($row['cat_title'])."','','".$myorder."',0)";
- $res = mysql_query($sql);
- $lastcatid = mysql_insert_id();
- //error_log($sql,0);
- $order ++;
- //add item_property - forum categories were not put into item_properties before
- $sql = "INSERT INTO ".$prefix_course."item_property (tool,insert_user_id,ref,lastedit_type,lastedit_user_id,visibility) " .
- "VALUES ('forum_category','1','$lastcatid','ForumCategoryAdded','1','1')";
- $res = mysql_query($sql);
- //error_log($sql,0);
- }
- $sql_orig = "SELECT * FROM ".$prefix_course."bb_forums ORDER BY forum_last_post_id desc";
- $res_orig = mysql_query($sql_orig);
- $order = 1;
- while($row = mysql_fetch_array($res_orig)){
- $sql = "INSERT INTO ".$prefix_course."forum_forum " .
- "(forum_id,forum_category,allow_edit,forum_comment," .
- "forum_title," .
- "forum_last_post, forum_threads," .
- "locked, forum_posts, " .
- "allow_new_threads, forum_order) VALUES " .
- "('".$row['forum_id']."','".$row['cat_id']."',1,'".mysql_real_escape_string($row['forum_desc'])."'," .
- "'".mysql_real_escape_string($row['forum_name'])."'," .
- "'".$row['forum_last_post_id']."','".$row['forum_topics']."'," .
- "0,'".$row['forum_posts']."'," .
- "1,$order)";
- //error_log($sql,0);
- $res = mysql_query($sql);
- $lastforumid = mysql_insert_id();
- $order++;
- //add item_property - forums were not put into item_properties before
- $sql = "INSERT INTO ".$prefix_course."item_property (tool,insert_user_id,ref,lastedit_type,lastedit_user_id,visibility) " .
- "VALUES ('forum','1','$lastforumid','ForumAdded','1','1')";
- $res = mysql_query($sql);
- //error_log($sql,0);
- }
- $sql_orig = "SELECT * FROM ".$prefix_course."bb_topics";
- $res_orig = mysql_query($sql_orig);
- while($row = mysql_fetch_array($res_orig)){
- $name = $row['prenom'].' '.$row['nom'];
- //check if user id is reusable
- if($row['topic_poster'] <= 1 )
- {
- if(isset($users_list[$name]))
- {
- $poster_id = $users_list[$name];
- }
- else
- {
- $poster_id = $row['topic_poster'];
- }
- }
- //convert time from varchar to datetime
- $time = $row['topic_time'];
- $name = mysql_real_escape_string($name);
- $sql = "INSERT INTO ".$prefix_course."forum_thread " .
- "(thread_id,forum_id,thread_poster_id," .
- "locked,thread_replies,thread_sticky,thread_title," .
- "thread_poster_name, thread_date, thread_last_post," .
- "thread_views) VALUES " .
- "('".$row['topic_id']."','".$row['forum_id']."','".$poster_id."'," .
- "0,'".$row['topic_replies']."',0,'".mysql_real_escape_string($row['topic_title'])."'," .
- "'$name','$time','".$row['topic_last_post_id']."'," .
- "'".$row['topic_views']."')";
- //error_log($sql,0);
- $res = mysql_query($sql);
- $lastthreadid = mysql_insert_id();
- //add item_property - forum threads were not put into item_properties before
- $sql = "INSERT INTO ".$prefix_course."item_property (tool,insert_user_id,ref,lastedit_type,lastedit_user_id,visibility) " .
- "VALUES ('forum_thread','1','$lastthreadid','ForumThreadAdded','1','1')";
- $res = mysql_query($sql);
- //error_log($sql,0);
- }
- $sql_orig = "SELECT * FROM ".$prefix_course."bb_posts bp, ".$prefix_course."bb_posts_text bpt WHERE bp.post_id = bpt.post_id";
- $res_orig = mysql_query($sql_orig);
- while($row = mysql_fetch_array($res_orig)){
- $name = $row['prenom'].' '.$row['nom'];
- //check if user id is reusable
- if($row['poster_id'] <= 0 )
- {
- if(isset($users_list[$name]))
- {
- $poster_id = $users_list[$name];
- }
- else
- {
- $poster_id = $row['poster_id'];
- }
- }
- //convert time from varchar to datetime
- $time = $row['post_time'];
- $name = mysql_real_escape_string($name);
- $sql = "INSERT INTO ".$prefix_course."forum_post " .
- "(post_id,forum_id,thread_id," .
- "poster_id,post_parent_id,visible, " .
- "post_title,poster_name, post_text, " .
- "post_date, post_notification) VALUES " .
- "('".$row['post_id']."','".$row['forum_id']."','".$row['topic_id']."'," .
- "'".$poster_id."','".$row['parent_id']."',1," .
- "'".mysql_real_escape_string($row['post_title'])."','$name', '".mysql_real_escape_string($row['post_text'])."'," .
- "'$time',0)";
- //error_log($sql,0);
- $res = mysql_query($sql);
- $lastpostid = mysql_insert_id();
- //add item_property - forum threads were not put into item_properties before
- $sql = "INSERT INTO ".$prefix_course."item_property(tool,insert_user_id,ref,lastedit_type,lastedit_user_id,visibility) " .
- "VALUES ('forum_post','1','$lastpostid','ForumPostAdded','1','1')";
- $res = mysql_query($sql);
- //error_log($sql,0);
- }
- unset($users_list);
- $sql_orig = "SELECT id, tutor_id FROM ".$prefix_course."group_info";
- $res_orig = mysql_query($sql_orig);
- $order = 1;
- while($row = mysql_fetch_array($res_orig)){
- $sql = "INSERT INTO ".$prefix_course."group_rel_tutor " .
- "(user_id,group_id) VALUES " .
- "('".$row['tutor_id']."','".$row['id']."')";
- $res = mysql_query($sql);
- }
- }
- }
- }
- }
- //load the old-scorm to new-scorm migration script
- //TODO: deal with the fact that this should only act on MAX_COURSE_TRANSFER courses
- if(!$only_test){
- include('update-db-scorm-1.6.x-1.8.0.inc.php');
- }
- if (defined('DOKEOS_INSTALL'))
- {
- if ($singleDbForm)
- {
- if(empty($dbStatsForm)) $dbStatsForm = $dbNameForm;
- if(empty($dbScormForm)) $dbScormForm = $dbNameForm;
- if(empty($dbUserForm)) $dbUserForm = $dbNameForm;
- }
- //deal with migrate-db-1.6.x-1.8.0-post.sql
- //get the main queries list (m_q_list)
- $m_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-post.sql','main');
- if(count($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{
- mysql_select_db($dbNameForm);
- foreach($m_q_list as $query){
- if($only_test){
- error_log("mysql_query($dbNameForm,$query)",0);
- }else{
- $res = mysql_query($query);
- if($log)
- {
- error_log("In $dbNameForm, executed: $query",0);
- }
- }
- }
- }
- }
- //get the stats queries list (s_q_list)
- $s_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-post.sql','stats');
- if(count($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 '.$dbStatsForm.' is too long, skipping',0);
- }elseif(!in_array($dbNameForm,$dblist)){
- error_log('Database '.$dbNameForm.' was not found, skipping',0);
- }else{
- mysql_select_db($dbStatsForm);
- foreach($s_q_list as $query){
- if($only_test){
- error_log("mysql_query($dbStatsForm,$query)",0);
- }else{
- $res = mysql_query($query);
- if($log)
- {
- error_log("In $dbStatsForm, executed: $query",0);
- }
- }
- }
- }
- }
- //get the user queries list (u_q_list)
- $u_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-post.sql','user');
- if(count($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{
- mysql_select_db($dbUserForm);
- foreach($u_q_list as $query){
- if($only_test){
- error_log("mysql_query($dbUserForm,$query)",0);
- }else{
- $res = mysql_query($query);
- if($log)
- {
- error_log("In $dbUserForm, executed: $query",0);
- }
- }
- }
- }
- }
- //the SCORM database should need a drop in the post-migrate part. However, we will keep these tables a bit more, just in case...
- }
- //get the courses databases queries list (c_q_list)
- $c_q_list = get_sql_file_contents('migrate-db-1.6.x-1.8.0-post.sql','course');
- if(count($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 '.$dbNameForm.' was not found, skipping',0);
- }else{
- mysql_select_db($dbNameForm);
- $res = mysql_query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL");
- if($res===false){die('Error while querying the courses list in update_db.inc.php');}
- if(mysql_num_rows($res)>0)
- {
- $i=0;
- //while( ($i < MAX_COURSE_TRANSFER) && ($row = mysql_fetch_array($res)))
- while($row = mysql_fetch_array($res))
- {
- $list[] = $row;
- $i++;
- }
- foreach($list as $row)
- {
- //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
- */
- $prefix_course = $prefix;
- if($singleDbForm)
- {
- $prefix_course = $prefix.$row['db_name']."_";
- }else{
- mysql_select_db($row['db_name']);
- }
- foreach($c_q_list as $query)
- {
- if ($singleDbForm) //otherwise just use the main one
- {
- $query = preg_replace('/^(UPDATE|ALTER TABLE|CREATE TABLE|DROP TABLE|INSERT INTO|DELETE FROM)\s+(\w*)(.*)$/',"$1 $prefix$2$3",$query);
- }
- if($only_test)
- {
- error_log("mysql_query(".$row['db_name'].",$query)",0);
- }else{
- $res = mysql_query($query);
- if($log)
- {
- error_log("In ".$row['db_name'].", executed: $query",0);
- }
- }
- }
- }
- }
- }
- }
- // upgrade user categories sort
- $table_user_categories = $dbUserForm.'.user_course_category';
- $sql = 'SELECT * FROM '.$table_user_categories.' ORDER BY user_id, title';
- $rs = Database::query($sql, __FILE__, __LINE__);
- $sort = 0;
- $old_user = 0;
- while($cat = Database :: fetch_array($rs))
- {
- if($old_user != $cat['user_id'])
- {
- $old_user = $cat['user_id'];
- $sort = 0;
- }
- $sort++;
- $sql = 'UPDATE '.$table_user_categories.' SET
- sort = '.intval($sort).'
- WHERE id='.intval($cat['id']);
- Database::query($sql, __FILE__, __LINE__);
- }
- }
- else
- {
- echo 'You are not allowed here !';
- }
- ?>
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