[svn r17528] Prepare upgrade to 1.8.6

16 years ago · ce72a33694
parent 58516e9214
commit ce72a33694
1 changed files with 309 additions and 0 deletions
--- a/main/install/update-db-1.8.5-1.8.6.inc.php
+++ b/main/install/update-db-1.8.5-1.8.6.inc.php
@ -0,0 +1,309 @@
+<?php // $Id: update-db-1.8.5-1.8.6.inc.php 17528 2009-01-04 20:14:09Z yannoo $
+/* 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 `$dbNameForm`.`cours` instructions without checking wether this is necessary.
+* - reorganise code into functions
+* @todo use database library
+==============================================================================
+*/
+
+
+//load helper functions
+require_once("install_upgrade.lib.php");
+
+$old_file_version = '1.8.5';
+$new_file_version = '1.8.6';
+
+//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><input type="submit" name="step1" value="&lt; '.get_lang('Back').'"></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><input type="submit" name="step'. (defined('DOKEOS_INSTALL') ? '3' : '1').'" value="&lt; '.get_lang('Back').'"></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);
+						}
+					}
+				}
+			}
+		}
+		
+		//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)
+			{
+				$i=0;
+				//while( ($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);
+							}
+						}
+					}												
+				}
+			}
+		}
+	}
+}
+else
+{
+	echo 'You are not allowed here !';
+}
+?>