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396 lines
15 KiB
396 lines
15 KiB
<?php // $Id: update-db-1.8.5-1.8.6.inc.php 18146 2009-02-02 15:22:10Z juliomontoya $
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/* See license terms in /dokeos_license.txt */
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/**
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==============================================================================
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* Update the Dokeos database from an older version
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* Notice : This script has to be included by index.php or update_courses.php
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*
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* @package dokeos.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 `$dbNameForm`.`cours` instructions without checking wether this is necessary.
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* - reorganise code into functions
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* @todo use database library
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==============================================================================
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*/
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//load helper functions
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require_once("install_upgrade.lib.php");
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$old_file_version = '1.8.5';
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$new_file_version = '1.8.6';
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//remove memory and time limits as much as possible as this might be a long process...
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if(function_exists('ini_set'))
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{
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ini_set('memory_limit',-1);
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ini_set('max_execution_time',0);
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}else{
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error_log('Update-db script: could not change memory and time limits',0);
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}
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/*
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==============================================================================
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MAIN CODE
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==============================================================================
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*/
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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('DOKEOS_INSTALL') || defined('DOKEOS_COURSE_UPDATE'))
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{
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//check if the current Dokeos install is elligible for update
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if (!file_exists('../inc/conf/configuration.php'))
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{
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echo '<b>'.get_lang('Error').' !</b> Dokeos '.implode('|', $updateFromVersion).' '.get_lang('HasNotBeenFound').'.<br><br>
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'.get_lang('PleasGoBackToStep1').'.
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<p><input type="submit" name="step1" value="< '.get_lang('Back').'"></p>
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</td></tr></table></form></body></html>';
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exit ();
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}
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//get_config_param() comes from install_functions.inc.php and
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//actually gets the param from
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$_configuration['db_glue'] = get_config_param('dbGlu');
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if ($singleDbForm)
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{
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$_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 = eregi_replace('[^a-z0-9_-]', '', $dbScormForm);
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if (!empty ($dbPrefixForm) && !ereg('^'.$dbPrefixForm, $dbScormForm))
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{
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$dbScormForm = $dbPrefixForm.$dbScormForm;
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}
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if (empty ($dbScormForm) || $dbScormForm == 'mysql' || $dbScormForm == $dbPrefixForm)
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{
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$dbScormForm = $dbPrefixForm.'scorm';
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}
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$res = @mysql_connect($dbHostForm, $dbUsernameForm, $dbPassForm);
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//if error on connection to the database, show error and exit
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if ($res === false)
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{
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//$no = mysql_errno();
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//$msg = mysql_error();
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//echo '<hr>['.$no.'] - '.$msg.'<hr>';
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echo get_lang('DBServerDoesntWorkOrLoginPassIsWrong').'.<br /><br />' .
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' '.get_lang('PleaseCheckTheseValues').' :<br /><br />
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<b>'.get_lang('DBHost').'</b> : '.$dbHostForm.'<br />
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<b>'.get_lang('DBLogin').'</b> : '.$dbUsernameForm.'<br />
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<b>'.get_lang('DBPassword').'</b> : '.$dbPassForm.'<br /><br />
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'.get_lang('PleaseGoBackToStep').' '. (defined('DOKEOS_INSTALL') ? '3' : '1').'.
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<p><input type="submit" name="step'. (defined('DOKEOS_INSTALL') ? '3' : '1').'" value="< '.get_lang('Back').'"></p>
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</td></tr></table></form></body></html>';
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exit ();
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}
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// The Dokeos system has not been designed to use special SQL modes that were introduced since MySQL 5
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@mysql_query("set session sql_mode='';");
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$dblistres = mysql_list_dbs();
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$dblist = array();
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while ($row = mysql_fetch_object($dblistres)) {
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$dblist[] = $row->Database;
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}
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/*
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-----------------------------------------------------------
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Normal upgrade procedure:
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start by updating main, statistic, user databases
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-----------------------------------------------------------
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*/
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//if this script has been included by index.php, not update_courses.php, so
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// that we want to change the main databases as well...
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$only_test = false;
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$log = 0;
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if (defined('DOKEOS_INSTALL'))
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{
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if ($singleDbForm)
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{
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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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{
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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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{
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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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error_log('Database name '.$dbNameForm.' is too long, skipping',0);
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}elseif(!in_array($dbNameForm,$dblist)){
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error_log('Database '.$dbNameForm.' was not found, skipping',0);
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}else{
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mysql_select_db($dbNameForm);
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foreach($m_q_list as $query){
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if($only_test){
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error_log("mysql_query($dbNameForm,$query)",0);
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}else{
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$res = mysql_query($query);
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if($log)
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{
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error_log("In $dbNameForm, executed: $query",0);
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}
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}
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}
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}
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}
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// Filling the access_url_rel_user table with access_url_id by default = 1
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$query = "SELECT user_id FROM $dbNameForm.user";
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$result = mysql_query($query);
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while ($row= mysql_fetch_array($result,MYSQL_NUM)) {
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$sql="INSERT INTO $dbNameForm.access_url_rel_user SET user_id=".$row[0].", access_url_id=1";
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$res = mysql_query($sql);
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}
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// Filling the access_url_rel_session table with access_url_id by default = 1
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$query = "SELECT id FROM $dbNameForm.session";
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$result = mysql_query($query);
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while ($row= mysql_fetch_array($result,MYSQL_NUM)) {
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$sql="INSERT INTO $dbNameForm.access_url_rel_session SET session_id=".$row[0].", access_url_id=1";
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$res = mysql_query($sql);
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}
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// Check if course_module exists, as it was not installed in Dokeos 1.8.5 because of a broken query, and insert it if necessary
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$query = "SELECT * FROM $dbNameForm.course_module";
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$result = mysql_query($query);
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if ($result === false) {
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//the course_module table doesn't exist, create it
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$sql = "CREATE TABLE $dbNameForm.course_module (
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id int unsigned NOT NULL auto_increment,
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name varchar(100) NOT NULL,
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link varchar(255) NOT NULL,
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image varchar(100) default NULL,
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`row` int unsigned NOT NULL default '0',
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`column` int unsigned NOT NULL default '0',
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position varchar(20) NOT NULL default 'basic',
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PRIMARY KEY (id)
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)
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";
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$result = mysql_query($sql);
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if ($result !== false) {
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$sql = "INSERT INTO $dbNameForm.course_module (name, link, image, `row`,`column`, position) VALUES
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('calendar_event','calendar/agenda.php','agenda.gif',1,1,'basic'),
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('link','link/link.php','links.gif',4,1,'basic'),
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('document','document/document.php','documents.gif',3,1,'basic'),
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('student_publication','work/work.php','works.gif',3,2,'basic'),
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('announcement','announcements/announcements.php','valves.gif',2,1,'basic'),
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('user','user/user.php','members.gif',2,3,'basic'),
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('forum','forum/index.php','forum.gif',1,2,'basic'),
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('quiz','exercice/exercice.php','quiz.gif',2,2,'basic'),
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('group','group/group.php','group.gif',3,3,'basic'),
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('course_description','course_description/','info.gif',1,3,'basic'),
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('chat','chat/chat.php','chat.gif',0,0,'external'),
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('dropbox','dropbox/index.php','dropbox.gif',4,2,'basic'),
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('tracking','tracking/courseLog.php','statistics.gif',1,3,'courseadmin'),
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('homepage_link','link/link.php?action=addlink','npage.gif',1,1,'courseadmin'),
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('course_setting','course_info/infocours.php','reference.gif',1,1,'courseadmin'),
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('External','','external.gif',0,0,'external'),
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('AddedLearnpath','','scormbuilder.gif',0,0,'external'),
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('conference','conference/index.php?type=conference','conf.gif',0,0,'external'),
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('conference','conference/index.php?type=classroom','conf.gif',0,0,'external'),
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('learnpath','newscorm/lp_controller.php','scorm.gif',5,1,'basic'),
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('blog','blog/blog.php','blog.gif',1,2,'basic'),
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('blog_management','blog/blog_admin.php','blog_admin.gif',1,2,'courseadmin'),
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('course_maintenance','course_info/maintenance.php','backup.gif',2,3,'courseadmin'),
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('survey','survey/survey_list.php','survey.gif',2,1,'basic'),
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('wiki','wiki/index.php','wiki.gif',2,3,'basic'),
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('gradebook','gradebook/index.php','gradebook.gif',2,2,'basic'),
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('glossary','glossary/index.php','glossary.gif',2,1,'basic'),
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('notebook','notebook/index.php','notebook.gif',2,1,'basic')";
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$res = mysql_query($sql);
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}
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}
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//get the stats queries list (s_q_list)
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$s_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql','stats');
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if(count($s_q_list)>0)
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{
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//now use the $s_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if(strlen($dbStatsForm)>40){
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error_log('Database name '.$dbStatsForm.' is too long, skipping',0);
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}elseif(!in_array($dbStatsForm,$dblist)){
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error_log('Database '.$dbStatsForm.' was not found, skipping',0);
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}else{
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mysql_select_db($dbStatsForm);
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foreach($s_q_list as $query){
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if($only_test){
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error_log("mysql_query($dbStatsForm,$query)",0);
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}else{
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$res = mysql_query($query);
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if($log)
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{
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error_log("In $dbStatsForm, executed: $query",0);
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}
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}
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}
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}
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}
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//get the user queries list (u_q_list)
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$u_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql','user');
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if(count($u_q_list)>0)
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{
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//now use the $u_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if(strlen($dbUserForm)>40){
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error_log('Database name '.$dbUserForm.' is too long, skipping',0);
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}elseif(!in_array($dbUserForm,$dblist)){
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error_log('Database '.$dbUserForm.' was not found, skipping',0);
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}else{
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mysql_select_db($dbUserForm);
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foreach($u_q_list as $query){
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if($only_test){
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error_log("mysql_query($dbUserForm,$query)",0);
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error_log("In $dbUserForm, executed: $query",0);
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}else{
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$res = mysql_query($query);
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}
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}
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}
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}
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//the SCORM database doesn't need a change in the pre-migrate part - ignore
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}
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/*
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-----------------------------------------------------------
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Update the Dokeos course databases
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this part can be accessed in two ways:
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- from the normal upgrade process
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- from the script update_courses.php,
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which is used to upgrade more than MAX_COURSE_TRANSFER courses
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Every time this script is accessed, only
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MAX_COURSE_TRANSFER courses are upgraded.
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-----------------------------------------------------------
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*/
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$prefix = '';
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if ($singleDbForm)
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{
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$prefix = get_config_param ('table_prefix');
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}
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//get the courses databases queries list (c_q_list)
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$c_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql','course');
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if(count($c_q_list)>0)
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{
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//get the courses list
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if(strlen($dbNameForm)>40)
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{
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error_log('Database name '.$dbNameForm.' is too long, skipping',0);
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}
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elseif(!in_array($dbNameForm,$dblist))
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{
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error_log('Database '.$dbNameForm.' was not found, skipping',0);
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}
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else
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{
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mysql_select_db($dbNameForm);
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$res = mysql_query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL ORDER BY code");
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if($res===false){die('Error while querying the courses list in update_db.inc.php');}
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if(mysql_num_rows($res)>0)
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{
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$i=0;
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$list = array();
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//while( ($i < MAX_COURSE_TRANSFER) && ($row = mysql_fetch_array($res)))
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while($row = mysql_fetch_array($res))
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{
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$list[] = $row;
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$i++;
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}
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foreach($list as $row_course)
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{
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//now use the $c_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (!$singleDbForm) //otherwise just use the main one
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{
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mysql_select_db($row_course['db_name']);
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}
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foreach($c_q_list as $query)
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{
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if ($singleDbForm) //otherwise just use the main one
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{
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$query = preg_replace('/^(UPDATE|ALTER TABLE|CREATE TABLE|DROP TABLE|INSERT INTO|DELETE FROM)\s+(\w*)(.*)$/',"$1 $prefix{$row_course['db_name']}_$2$3",$query);
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}
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if($only_test)
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{
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error_log("mysql_query(".$row_course['db_name'].",$query)",0);
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}
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else
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{
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$res = mysql_query($query);
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if($log)
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{
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error_log("In ".$row_course['db_name'].", executed: $query",0);
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}
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}
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}
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$t_d = $row_course['db_name'].".document";
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$t_ip = $row_course['db_name'].".item_property";
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if($singleDbForm)
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{
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$t_d = "$prefix{$row_course['db_name']}_document";
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$t_ip = "$prefix{$row_course['db_name']}_item_property";
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}
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// shared documents folder
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$query = "INSERT INTO $t_d (path,title,filetype,size) VALUES ('/shared_folder','".get_lang('SharedDocumentsDirectory')."','folder','0')";
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$myres = mysql_query($query);
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if ($myres !== false) {
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$doc_id = mysql_insert_id();
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$query = "INSERT INTO $t_ip (tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ('document',1,NOW(),NOW(),$doc_id,'FolderAdded',1,0,NULL,1)";
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$myres = mysql_query($query);
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}
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}
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}
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}
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}
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}
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else
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{
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echo 'You are not allowed here !';
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}
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?>
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