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Feature #272 - Preparations for change in the installation script: A useless file has been removed.

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skala
Ivan Tcholakov 15 years ago
parent f6b6d4444b
commit 28c3de900e
1 changed files with 0 additions and 444 deletions
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  1. 444
      main/install/1.8.6.2-1.8.7.inc.php

444
main/install/1.8.6.2-1.8.7.inc.php
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<?php // $Id: $
/* See license terms in /dokeos_license.txt */
/**
==============================================================================
* 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");
require_once('../inc/lib/image.lib.php');
$old_file_version = '1.8.6.1';
$new_file_version = '1.8.6.2';
//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 (!file_exists('../inc/conf/configuration.php'))
{
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="&lt; '.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="&lt; '.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)
{
$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{
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);
}
}
}
// 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";
$res = mysql_query($sql);
if ($res === false) {
error_log('Could not query session course coaches table: '.mysql_error());
} else {
// For each coach found, add him as a course coach in the
// session_rel_course_rel_user table
while ($row = mysql_fetch_array($res)) {
// chech if 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]}'";
$rs = mysql_query($sql);
if (mysql_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)";
}
$rs_coachs = mysql_query($sql_ins);
if ($rs_coachs === false) {
error_log('Could not move course coach to new table: '.mysql_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";
$rs_chk_id1 = mysql_query($sql);
if ($rs_chk_id1 === false) {
error_log('Could not query settings_current ids table: '.mysql_error());
} else {
$i = 1;
while ($row_id1 = mysql_fetch_array($rs_chk_id1)) {
$id = $row_id1['id'];
if ($i>1) {
$sql_del = "DELETE FROM settings_current WHERE id = '$id'";
mysql_query($sql_del);
}
$i++;
}
}
$sql = "SELECT id FROM settings_current WHERE variable='show_teacher_data' ORDER BY id";
$rs_chk_id2 = mysql_query($sql);
if ($rs_chk_id2 === false) {
error_log('Could not query settings_current ids table: '.mysql_error());
} else {
$i = 1;
while ($row_id2 = mysql_fetch_array($rs_chk_id2)) {
$id = $row_id2['id'];
if ($i>1) {
$sql_del = "DELETE FROM settings_current WHERE id = '$id'";
mysql_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{
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)
$s_q_list = get_sql_file_contents('migrate-db-'.$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{
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)
$u_q_list = get_sql_file_contents('migrate-db-'.$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{
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 = 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 '.$dbNameForm.' was not found, skipping',0);
}
else
{
mysql_select_db($dbNameForm);
$res = mysql_query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL ORDER BY code");
if($res===false){die('Error while querying the courses list in update_db.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);
}
}
}
// 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";
$rs_sel = mysql_query($sql_sel);
if ($rs_sel === false) {
error_log('Could not query course_description ids table: '.mysql_error());
} else {
if (mysql_num_rows($rs_sel) > 0) {
while ($row_ids = mysql_fetch_array($rs_sel)) {
$description_id = $row_ids['id'];
$sql_upd = "UPDATE $t_course_description SET description_type='$description_id' WHERE id='$description_id'";
mysql_query($sql_upd);
}
}
}
}
}
}
}
}
else
{
echo 'You are not allowed here !';
}
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