Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/install/update-db-1.8.6.2-1.8.7.inc...

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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 = '1.8.6.2';
$new_file_version = '1.8.7';
// 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="&lt; '.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: $query", 0);
}
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
}
$tables = Database::get_tables($dbNameForm);
foreach ($tables as $table) {
$query = Database::query("ALTER TABLE `".$table."` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;");
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
$query = Database::query("ALTER DATABASE `".$dbNameForm."` DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;");
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
}
// Converting dates and times to UTC using the default timezone of PHP
// Converting gradebook dates and times
$timezone = date_default_timezone_get();
// Calculating the offset
$dateTimeZoneCurrent = new DateTimeZone($timezone);
$dateTimeUTC = new DateTime("now", new DateTimeZone('UTC'));
$timeOffsetSeconds = $dateTimeZoneCurrent->getOffset($dateTimeUTC);
$timeOffsetHours = $timeOffsetSeconds / 3600;
$timeOffsetString = "";
if($timeOffsetHours < 0) {
$timeOffsetString .= "-";
$timeOffsetHours = abs($timeOffsetHours);
} else {
$timeOffsetString .= "+";
}
if($timeOffsetHours < 10) {
$timeOffsetString .= "0";
}
$timeOffsetString .= "$timeOffsetHours";
$timeOffsetString .= ":00";
// Executing the queries to convert everything
$queries[] = "UPDATE gradebook_certificate SET created_at = CONVERT_TZ(created_at, '".$timeOffsetString."', '+00:00');";
$queries[] = "UPDATE gradebook_evaluation SET created_at = CONVERT_TZ(created_at, '".$timeOffsetString."', '+00:00');";
$queries[] = "UPDATE gradebook_link SET created_at = CONVERT_TZ(created_at, '".$timeOffsetString."', '+00:00');";
$queries[] = "UPDATE gradebook_linkeval_log SET created_at = CONVERT_TZ(created_at, '".$timeOffsetString."', '+00:00');";
$queries[] = "UPDATE gradebook_result SET created_at = CONVERT_TZ(created_at, '".$timeOffsetString."', '+00:00');";
$queries[] = "UPDATE gradebook_result_log SET created_at = CONVERT_TZ(created_at, '".$timeOffsetString."', '+00:00');";
foreach ($queries as $query) {
Database::query($query);
}
// Moving user followed by a human resource manager from hr_dept_id field to user_rel_user table
$query = "SELECT user_id, hr_dept_id FROM $dbNameForm.user";
$result = Database::query($query);
if (Database::num_rows($result) > 0) {
require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
while ($row = Database::fetch_array($result, 'ASSOC')) {
$user_id = $row['user_id'];
$hr_dept_id = $row['hr_dept_id'];
// moving data to user_rel_user table
if (!empty($hr_dept_id)) {
$sql = " SELECT id FROM $dbNameForm.user_rel_user WHERE user_id = $user_id AND friend_user_id = $hr_dept_id AND relation_type = ".USER_RELATION_TYPE_RRHH." ";
$rs = Database::query($sql);
if (Database::num_rows($rs) == 0) {
$ins = "INSERT INTO $dbNameForm.user_rel_user SET user_id = $user_id, friend_user_id = $hr_dept_id, relation_type = ".USER_RELATION_TYPE_RRHH." ";
Database::query($ins);
}
}
}
// cleaning hr_dept_id field inside user table
$upd = "UPDATE $dbNameForm.user SET hr_dept_id = 0";
Database::query($upd);
}
// Updating score display for each gradebook category
// first we check if there already is migrated data to categoy_id field
$query = "SELECT id FROM $dbNameForm.gradebook_score_display WHERE category_id = 0";
$rs_check = Database::query($query);
if (Database::num_rows($rs_check) > 0) {
// get all gradebook categories id
$a_categories = array();
$query = "SELECT id FROM $dbNameForm.gradebook_category";
$rs_gradebook = Database::query($query);
if (Database::num_rows($rs_gradebook) > 0) {
while($row_gradebook = Database::fetch_row($rs_gradebook)) {
$a_categories[] = $row_gradebook[0];
}
}
// get all gradebook score display
$query = "SELECT * FROM $dbNameForm.gradebook_score_display";
$rs_score_display = Database::query($query);
if (Database::num_rows($rs_score_display) > 0) {
$score_color_percent = api_get_setting('gradebook_score_display_colorsplit');
while ($row_score_display = Database::fetch_array($rs_score_display)) {
$score = $row_score_display['score'];
$display = $row_score_display['display'];
foreach ($a_categories as $category_id) {
$ins = "INSERT INTO $dbNameForm.gradebook_score_display(score, display, category_id, score_color_percent) VALUES('$score', '$display', $category_id, '$score_color_percent')";
Database::query($ins);
}
}
// remove score display with category id = 0
$del = "DELETE FROM $dbNameForm.gradebook_score_display WHERE category_id = 0";
Database::query($del);
}
}
// 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: $query", 0);
}
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
}
$tables = Database::get_tables($dbStatsForm);
foreach ($tables as $table) {
$query = Database::query("ALTER TABLE `".$table."` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;");
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
$query = Database::query("ALTER DATABASE `".$dbStatsForm."` DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;");
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
// chamilo_stat.track_e_attempt table update changing id by id_auto
$sql = "SELECT exe_id, question_id, course_code, answer FROM $dbStatsForm.track_e_attempt";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
while ($row = Database::fetch_array($result)) {
$course_code = $row['course_code'];
$course_info = api_get_course_info($course_code);
$my_course_db = $course_info['dbName'];
$question_id = $row['question_id'];
$answer = $row['answer'];
$exe_id = $row['exe_id'];
//getting the type question id
$sql_question = "SELECT type FROM $my_course_db.quiz_question where id = $question_id";
$res_question = Database::query($sql_question);
$row = Database::fetch_array($res_question);
$type = $row['type'];
require_once api_get_path(SYS_CODE_PATH).'exercice/question.class.php';
//this type of questions produce problems in the track_e_attempt table
if (in_array($type, array(UNIQUE_ANSWER, MULTIPLE_ANSWER, MATCHING, MULTIPLE_ANSWER_COMBINATION))) {
$sql_question = "SELECT id_auto FROM $my_course_db.quiz_answer where question_id = $question_id and id = $answer";
$res_question = Database::query($sql_question);
$row = Database::fetch_array($res_question);
$id_auto = $row['id_auto'];
if (!empty($id_auto)) {
$sql = "UPDATE $dbStatsForm.track_e_attempt SET answer = '$id_auto' WHERE exe_id = $exe_id AND question_id = $question_id AND course_code = '$course_code' and answer = $answer ";
Database::query($sql);
}
}
}
}
}
}
// 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);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
}
$tables = Database::get_tables($dbUserForm);
foreach ($tables as $table) {
$query = Database::query("ALTER TABLE `".$table."` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;");
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
$query = Database::query("ALTER DATABASE `".$dbUserForm."` DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;");
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
}
// 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-1.8.6.2-1.8.7.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: $query", 0);
}
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
}
if (!$singleDbForm) {
$tables = Database::get_tables($row_course['db_name']);
foreach ($tables as $table) {
$query = Database::query("ALTER TABLE `".$table."` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;");
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
$query = "ALTER DATABASE `".$row_course['db_name']."` DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;";
$res = Database::query($query);
if ($res === false) {
error_log('Error in '.$query.': '.Database::error());
}
}
$t_student_publication = $row_course['db_name'].".student_publication";
$t_item_property = $row_course['db_name'].".item_property";
if ($singleDbForm) {
$t_student_publication = "$prefix{$row_course['db_name']}_student_publication";
$t_item_property = "$prefix{$row_course['db_name']}_item_property";
}
$sql_insert_user = "SELECT ref, insert_user_id FROM $t_item_property WHERE tool='work'";
$rs_insert_user = Database::query($sql_insert_user);
if ($rs_insert_user === false) {
error_log('Could not query insert_user_id table: '.Database::error());
} else {
if (Database::num_rows($rs_insert_user) > 0) {
while ($row_ids = Database::fetch_array($rs_insert_user)) {
$user_id = $row_ids['insert_user_id'];
$ref = $row_ids['ref'];
$sql_upd = "UPDATE $t_student_publication SET user_id='$user_id' WHERE id='$ref'";
Database::query($sql_upd);
}
}
}
//updating parent_id of the student_publication table
$sql = 'SELECT id, url, parent_id FROM '.$t_student_publication;
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
$items = api_store_result($result);
$directory_list = $file_list=array();
foreach($items as $item) {
$student_slash = substr($item['url'], 0, 1);
//means this is a directory
if ($student_slash == '/') {
$directory_list[$item['id']]= $item['url'];
} else {
// this is a file with no parents
if ($item['parent_id'] == 0)
$file_list []= $item;
}
}
if (is_array($file_list) && count($file_list) > 0) {
foreach ($file_list as $file) {
$parent_id = 0;
if (is_array($directory_list) && count($directory_list) > 0) {
foreach($directory_list as $id => $dir) {
$pos = strpos($file['url'], $dir.'/');
if ($pos !== false) {
$parent_id = $id;
break;
}
}
}
if ($parent_id != 0 ) {
$sql = 'UPDATE '.$t_student_publication.' SET parent_id = '.$parent_id.' WHERE id = '.$file['id'].'';
Database::query($sql);
}
}
}
}
}
}
}
}
// Get the courses databases queries list (c_q_list)
$c_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-post.sql', 'course');
if (count($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 {
Database::select_db($dbNameForm);
$res = Database::query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL");
if ($res === false) { die('Error while querying the courses list in update_db-1.8.6.2-1.8.7.inc.php'); }
if (Database::num_rows($res) > 0) {
$i = 0;
while ($row = Database::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 {
Database::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("Database::query(".$row['db_name'].",$query)", 0);
} else {
$res = Database::query($query);
if ($log) {
error_log("In ".$row['db_name'].", executed: $query", 0);
}
}
}
}
}
}
}
} else {
echo 'You are not allowed here !';
}