License
* - http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
* @param $oldversion Number of the old version.
*/
require_once ($CFG->dirroot . '/mod/iassign/locallib.php');
function xmldb_iassign_upgrade ($oldversion) {
global $CFG, $DB, $USER;
$dbman = $DB->get_manager();
if ($oldversion < 2014012100) {
// Define field and index in iLM table to be added
$table = new xmldb_table('iassign_ilm');
$index_name = new xmldb_index('name');
$index_name->set_attributes(XMLDB_INDEX_UNIQUE, array('name'));
if ($dbman->index_exists($table, $index_name)) {
$dbman->drop_index($table, $index_name, $continue = true, $feedback = true);
}
$index_name_version = new xmldb_index('name_version');
$index_name_version->set_attributes(XMLDB_INDEX_UNIQUE, array('name', 'version'));
if (!$dbman->index_exists($table, $index_name_version)) {
$dbman->add_index($table, $index_name_version, $continue = true, $feedback = true);
}
// Fix field name in ilm table to be added.
$table = new xmldb_table('iassign_ilm');
$field_height = new xmldb_field('heigth', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '600', 'width');
if ($dbman->field_exists($table, $field_height))
$dbman->rename_field($table, $field_height, 'height');
// Define fields in iassign table to be added.
$table = new xmldb_table('iassign');
$field_intro = new xmldb_field('intro', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, 'name');
if (!$dbman->field_exists($table, $field_intro))
$dbman->add_field($table, $field_intro);
$field_introformat = new xmldb_field('introformat', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, '0', 'intro');
if (!$dbman->field_exists($table, $field_introformat))
$dbman->add_field($table, $field_introformat);
$field_grade = new xmldb_field('grade', XMLDB_TYPE_INTEGER, '11', null, XMLDB_NOTNULL, null, '0', 'activity_group');
if (!$dbman->field_exists($table, $field_grade))
$dbman->add_field($table, $field_grade);
$field_timeavailable = new xmldb_field('timeavailable', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'grade');
if (!$dbman->field_exists($table, $field_timeavailable))
$dbman->add_field($table, $field_timeavailable);
$field_timedue = new xmldb_field('timedue', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'timeavailable');
if (!$dbman->field_exists($table, $field_timedue))
$dbman->add_field($table, $field_timedue);
$field_preventlate = new xmldb_field('preventlate', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, null, null, '1', 'timedue');
if (!$dbman->field_exists($table, $field_preventlate))
$dbman->add_field($table, $field_preventlate);
$field_test = new xmldb_field('test', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, '0', 'preventlate');
if (!$dbman->field_exists($table, $field_test))
$dbman->add_field($table, $field_test);
$field_max_experiment = new xmldb_field('max_experiment', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'test');
if (!$dbman->field_exists($table, $field_max_experiment))
$dbman->add_field($table, $field_max_experiment);
if (!$dbman->table_exists($table)) {
$field_id = new xmldb_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE);
$field_time = new xmldb_field('time', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'id');
$field_userid = new xmldb_field('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'time');
$field_ip = new xmldb_field('ip', XMLDB_TYPE_CHAR, '255', null, null, null, null, 'userid');
$field_course = new xmldb_field('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'ip');
$field_cmid = new xmldb_field('cmid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'course');
$field_ilmid = new xmldb_field('ilmid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'cmid');
$field_action = new xmldb_field('action', XMLDB_TYPE_CHAR, '255', null, null, null, null, 'ilmid');
$field_info = new xmldb_field('info', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, 'action');
$field_language = new xmldb_field('language', XMLDB_TYPE_CHAR, '10', null, null, null, null, 'info');
$field_user_agent = new xmldb_field('user_agent', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, 'language');
$field_javascript = new xmldb_field('javascript', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'user_agent');
$field_java = new xmldb_field('java', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'javascript');
$key = new xmldb_key('primary');
$key->set_attributes(XMLDB_KEY_PRIMARY, array('id'), null, null);
$index = new xmldb_index('course');
$index->set_attributes(XMLDB_INDEX_NOTUNIQUE, array('course'));
$table->addField($field_id);
$table->addField($field_time);
$table->addField($field_userid);
$table->addField($field_ip);
$table->addField($field_course);
$table->addField($field_cmid);
$table->addField($field_ilmid);
$table->addField($field_action);
$table->addField($field_info);
$table->addField($field_language);
$table->addField($field_user_agent);
$table->addField($field_javascript);
$table->addField($field_java);
$table->addKey($key);
$table->addIndex($index);
$status = $dbman->create_table($table);
} // if (!$dbman->table_exists($table))
// Now update Moodle table '*_files' related to the iAssign: insert new field 'filearea'
$fs = get_file_storage();
$is_delete = true;
$ilm_path = $CFG->dirroot . "/mod/iassign/ilm/";
// All iAssign 'exercises' must get the label 'exercise'
$exercise_files = $DB->get_records('files', array("component" => "mod_iassign", "filearea" => "activity"));
foreach ($exercise_files as $exercise_file) {
$exercise_file->filearea = "exercise";
$DB->update_record('files', $exercise_file);
}
// All iAssign iLM (usually 'JAR package') must get the label 'activity'
$activity_files = $DB->get_records('files', array("component" => "mod_iassign", "filearea" => "ilm"));
foreach ($activity_files as $activity_file) {
$activity_file->filearea = "activity";
$DB->update_record('files', $activity_file);
}
// iAssign savepoint reached
upgrade_mod_savepoint(true, 2014012100, 'iassign');
} // if ($oldversion < 2014012100)
if ($oldversion < 2017021900) { // update to migrate from 2016021300 to 2017021900 (2.2.00)
// iassign_ilm : id; name; version; description; url; extension; parent; file_jar; file_class; width; height; enable; timemodified; author; timecreated; evaluate
$count_iassign_ilm = $DB->count_records_sql('SELECT COUNT(id) FROM {iassign_ilm}'); // count the number of existing iLM in table '*_iassign_ilm'
if ($count_iassign_ilm>0) { // Insert new iLM: iVProgH5 (package in HTML5 technology)
// Insert an entry in the Moodle table '*_files'
$context = context_system::instance();
$file_ilm = array(
'userid' => $USER->id, // ID of context
'contextid' => $context->id, // ID of context
'component' => 'mod_iassign', // usually = table name
'filearea' => 'ilm', // in table '*_files' all iAssign exercises will have 'filearea="exercise"' and all iLM must be 'ilm'
'itemid' => 0,
'filepath' => '/iassign/ilm/', // any path beginning and ending in /
'filename' => "ivprog-html/main.html"); // any filename: use the starting point of iVProgH5
// Now update Moodle table '*_files' related to the iAssign: insert new field 'filearea'
$fs = get_file_storage();
$is_delete = true;
$ilm_path = $CFG->dirroot . "/mod/iassign/ilm/";
//TODO iLM_HTML5 : What model to implement to HTML5?
//TODO 1. The first version of iLM HTML5 in '/var/www/html/moodle/mod/iassign/ilm/ilm-nome' and others in '/var/moodledata/filedir/'?
//TODO 2. Inserting new iLM HTML5 by ZIP file => explode it and register in '/var/moodledata/filedir/'?
// Create file using the content: the file information is inserted in the Moodle table '*_files'
// The real file will be registered in Moodle data (default '/var/moodledata/filedir/xx/yy' - 'xxyy' is the first 4 char in '*_files.contenthash')
//TODO Keep this even change the model to not insert iLM HTML5 (need this object to connect with '*_iassign_ilm' bellow)
$file_ilm = $fs->create_file_from_string($file_ilm, file_get_contents($ilm_path . "ivprog-html/main.html"));
if ($file_ilm)
$is_delete &= @unlink($ilm_path . "ivprog-html");
// Insert an entry in iAssign table '*_iassign_ilm'
$newentry = new stdClass();
$newentry->name = 'iVProgH5';
$newentry->url = 'http://www.matematica.br/ivprogh5';
$newentry->version = '0.1.1';
$newentry->description = '{"en":"Visual Interactive Programming on the Internet HTML5","pt_br":"Programação visual interativa na Internet"}';
$newentry->extension = 'ivph';
$newentry->file_jar = 'iVProgH5'; // to JAR this is the '*_files.id' correponding to the iLM storaged in '/var/moodledata/filedir/'
$newentry->file_class = 'ivprog-html/index.html';
$newentry->width = 800;
$newentry->height = 700;
$newentry->enable = 1;
$newentry->timemodified = time();
$newentry->author = $USER->id;
$newentry->timecreated = time();
$newentry->evaluate = 1;
// $DB->insert_records('iassign_ilm', $newentry);
$newentry->id = $DB->insert_record("iassign_ilm", $newentry);
// iAssign savepoint reached
upgrade_mod_savepoint(true, 2017021900, 'iassign');
} // if ($count_iassign_ilm>0)
} // if ($oldversion < 2017021900)
if ($oldversion < 2017120100) { // last one: 2017042800 from 2017/02/19
// Create new field 'type', putting 'Java' if JAR and 'HTML5' if HTML5
// Update fields 'file_jar, file_class' of iLM iVProgH5 (from 'iVProgH5, ivprog-html/main.html' to 'ilm/ivprog-html/, main.html'
//---
// Define new field in iassign table to be added: type varchar(20) in { 'Java' 'HTML5' }
$table = new xmldb_table('iassign_ilm');
$new_field_type = new xmldb_field('type', XMLDB_TYPE_CHAR, '20', null, null, null, null, 'version'); // after field 'version'
if (!$dbman->field_exists($table, $new_field_type))
$dbman->add_field($table, $new_field_type);
//---
// All iAssign iLM (usually 'JAR package') must get the type 'Java'
$list_of_ilm_installed = $DB->get_records('iassign_ilm');
foreach ($list_of_ilm_installed as $ilm_installed) {
$ilm_name = strtolower($ilm_installed->name);
//D echo $ilm_name . " : " . $ilm_installed->file_jar . " : " . $ilm_installed->file_class . " : " . $ilm_installed->extension . "
\n";
if ($ilm_name=="ivprogh5" || $ilm_name=="ifractions" || $ilm_name=="fractions") { // if it is 'iVProgH5' (perhaps 'iFractions' already installed?)
$ilm_installed->type = "HTML5"; // it is HTML5
$file_jar = strtolower($ilm_installed->file_jar);
if ($ilm_name=="ivprogh5" && $file_jar=="ivprogh5") { // fields 'file_jar' and 'file_class' must have: 'ilm/ivprog-html/' and 'main.html'
$ilm_installed->file_jar = "ilm/ivprog-html/"; // iVProgH5 ivprog-html/main.html
$ilm_installed->file_class = "main.html";
}
}
else
$ilm_installed->type = "Java"; // otherwise it is Java
$DB->update_record('iassign_ilm', $ilm_installed);
} // foreach
//---
// Insert in table '{iassign_ilm}' the new iLM iFractions version 0.1.2017.11.22
// Table 'iassign_ilm' : id name version type description url extension parent file_jar file_class width height enable timemodified author timecreated evaluate
/*$new_ilm_ifractions['name'] = 'iFractions';
$new_ilm_ifractions['version'] = '0.1.2017.11.22';
$new_ilm_ifractions['type'] = 'HTML5';
$new_ilm_ifractions['description'] = '{"en":"Visual Interactive Fractions Learning","pt_br":"Aprendizagem visual interativa de frações"}';
$new_ilm_ifractions['url'] = 'http://www.matematica.br/ifractions';
$new_ilm_ifractions['extension'] = 'frc';
$new_ilm_ifractions['parent'] = '0';
$new_ilm_ifractions['file_jar'] = 'ilm/ifractions/';
$new_ilm_ifractions['file_class'] = 'index.html';
$new_ilm_ifractions['width'] = '900';
$new_ilm_ifractions['height'] = '600';
$new_ilm_ifractions['enable'] = '1';
$new_ilm_ifractions['timemodified'] = time();
$new_ilm_ifractions['author'] = $USER->id;
$new_ilm_ifractions['timecreated'] = time();
$new_ilm_ifractions['evaluate'] = 1;
$DB->insert_record('iassign_ilm', $new_ilm_ifractions, false); // insert new iLM in the table '{iassign_ilm}';*/
} // if ($oldversion < 2017120101)
if ($oldversion < 2018031000) {
// Verify if exist iLM with the same name
// then, update the version and file_jar
$records = array(
// iGeom 5.9.22
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iGeom', 'http://www.matematica.br/igeom', '5.9.22', 'Java', '{"en":"Interactive Geometry on the Internet","pt_br":"Geometria Interativa na Internet"}', 'geo', 'ilm/iGeom/5.9.22/iGeom.jar', 'IGeomApplet.class', 800, 600, 1, time(), $USER->id, time(), 1)),
// iGraf 4.4.0.10
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iGraf', 'http://www.matematica.br/igraf', '4.4.0.10', 'Java', '{"en":"Interactive Graphic on the Internet","pt_br":"Gráficos Interativos na Internet"}', 'grf', 'ilm/iGraf/4.4.0.10/iGraf.jar', 'igraf.IGraf.class', 840, 600, 1, time(), $USER->id, time(), 1)),
// iComb 0.9.5
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iComb', 'http://www.matematica.br/icomb', '0.9.5', 'Java', '{"en":"Combinatorics Interactive on the Internet","pt_br":"Combinatória Interativa na Internet"}', 'icb,cmb', 'ilm/iComb/0.9.5/iComb.jar', 'icomb.IComb.class', 750, 685, 1, time(), $USER->id, time(), 1)),
// iVProg2 2.1.0
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iVProg2', 'http://www.matematica.br/ivprog2', '2.1.0', 'Java', '{"en":"Visual Interactive Programming on the Internet","pt_br":"Programação visual interativa na Internet"}', 'ivp2', 'ilm/iVProg2/2.1.0/iVProg2.jar', 'usp.ime.line.ivprog.Ilm.class', 800, 700, 1, time(), $USER->id, time(), 1)),
// iTangram2 0.4.6
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iTangram2', 'http://www.matematica.br/itangram', '0.4.6', 'Java', '{"en":"interactive Tangram (by LInE)","pt_br":"Tangram interativo (do LInE)"}', 'itg2', 'ilm/iTangram2/0.4.6/iTangram2.jar', 'ilm.line.itangram2.Tangram', 800, 600, 1, time(), $USER->id, time(), 1)),
// iHanoi 3.1.0
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iHanoi', 'http://www.matematica.br/ihanoi', '3.1.0', 'Java', '{"en":"interactive Tower os Hanoi (by LInE)", "pt_br":"Torres de Hanói (do LInE)"}', 'ihn', 'ilm/iHanoi/3.1.0/iHanoi.jar', 'ihanoi.iHanoi', 730, 450, 1, time(), $USER->id, time(), 1)),
// Risco 2
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('Risko', 'http://risko.pcc.usp.br/', '2.2.23', 'Java', '{"en":"Technical drawing with triangle and ruler","pt_br":"Desenho Geomẽtrico com esquadro"}', 'rsk', 'ilm/Risko/2.2.23/Risko.jar', 'RiskoApplet.class', 800, 600, 1, time(), $USER->id, time(), 0)),
// iVProg4 1.0.20190717 - HTML5 - 2019
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iVProg4', 'http://www.usp.br/line/ivprog/', '1.0.20190717', 'HTML5', '{"en":"Visual Interactive Programming on the Internet (HTML)","pt_br":"Programação visual interativa na Internet"}', 'ivph', 'ilm/iVProg4/1.0.20190717/ivprog4/', 'index.html', 800, 600, 1, time(), $USER->id, time(), 1)),
// iVProgH 0.0.2 - HTML5 - 2014
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iVProgH', 'http://www.matematica.br/ivprogh', '0.0.2', 'HTML5', '{"en":"Visual Interactive Programming on the Internet (HTML)","pt_br":"Programação visual interativa na Internet"}', 'ivph', 'ilm/iVProgH/0.0.2/ivprogh/', 'main.html', 800, 600, 1, time(), $USER->id, time(), 1)),
// fractions 0.1.2017.11.22 - HTML5
array_combine(
array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate'),
array('iFractions', 'http://www.matematica.br/ifractions', '0.1.2017.11.22', 'HTML5', '{"en":"Interactive Fractions game","pt_br":"Jogo interativa de frações"}', 'frc', 'ilm/iFractions/0.1.2017.11.22/ifractions/', 'index.html', 1000, 600, 1, time(), $USER->id, time(), 1))
);
foreach ($records as $record) {
if ($record['type'] == 'HTML5') {
//D echo " * iMA versao HTML
\n";
// Verify if there is a HTML5 iLM register => update it
$iassign_ilm = $DB->get_records('iassign_ilm', array('name' => $record['name']));
if ($iassign_ilm) {
// Update file_jar and file_class
foreach ($iassign_ilm as $iassign) {
$iassign->name = trim($iassign->name);
$iassign->version = trim($iassign->version);
//D echo " " . $iassign->id . ", " . $iassign->name . "
\n";
// If HTML5 iLM is the same version, only update the path
if ($iassign->version == $record['version']) {
//D echo " mesma versao " . $iassign->version . "
\n";
$newentry = new stdClass();
$newentry->id = $iassign->id;
$newentry->file_jar = $record['file_jar'];
$newentry->file_class = $record['file_class'];
$DB->update_record("iassign_ilm", $newentry);
}
else { // If HTML5 iLM is NOT the same version, make a copy of the iLM
$dest = $CFG->dirroot . '/mod/iassign/ilm/' . $iassign->name . '/' . $iassign->version . '/';
mkdir($dest, 0755); // permissions "drwxr-xr-x"
$source = $CFG->dirroot . '/mod/iassign/ilm/' . $iassign->name . '/' . $record['version'] . '/';
foreach (
$iterator = new \RecursiveIteratorIterator(
new \RecursiveDirectoryIterator($source, \RecursiveDirectoryIterator::SKIP_DOTS),
\RecursiveIteratorIterator::SELF_FIRST) as $item) {
if ($item->isDir()) {
mkdir($dest . DIRECTORY_SEPARATOR . $iterator->getSubPathName());
}
else { // copy or move?
copy($item, $dest . $iterator->getSubPathName());
// copy($item, $dest . DIRECTORY_SEPARATOR . $iterator->getSubPathName());
// rename($item, $dest . DIRECTORY_SEPARATOR . $iterator->getSubPathName());
}
}
$newentry = new stdClass();
$newentry->id = $iassign->id;
$newentry->file_jar = 'ilm/' . $iassign->name . '/' . $iassign->version . '/' . basename($record['file_jar']) . '/';
$newentry->file_class = $record['file_class'];
$DB->update_record("iassign_ilm", $newentry);
}
} // foreach ($iassign_ilm as $iassign)
}
else { // if ($iassign_ilm)
// If not found a iLM with the same name
$DB->insert_record('iassign_ilm', $record, false); // insert new iLM in the table '*_iassign_ilm'
}
} // if ($record['type'] == 'HTML5')
else {
// Verify if there is a Java iLM register to update it
$iassign_ilm = $DB->get_record('iassign_ilm', array('name' => $record['name'], 'version' => $record['version']));
if ($iassign_ilm) {
// Update file_jar and file_class
$newentry = new stdClass();
$newentry->id = $iassign_ilm->id;
$newentry->file_jar = $record['file_jar'];
$newentry->file_class = $record['file_class'];
$DB->update_record("iassign_ilm", $newentry);
}
else { // if ($iassign_ilm) - I couldn't find an iLM with this name ($record['name']) and under this version ($record['version'])
// If not found a Java iLM with the same name and version, search a
// different version, to use as parent of new version
$iassign_ilm_parent = $DB->get_record('iassign_ilm', array('name' => $record['name'], 'parent' => 0));
if ($iassign_ilm_parent) {
$record['parent'] = $iassign_ilm_parent->id;
$DB->insert_record('iassign_ilm', $record, false); // insert with parent
// Download the JAR file of parent from MoodleData and put it in iassign/ilm/
$dest = $CFG->dirroot . '/mod/iassign/ilm/' . $iassign_ilm_parent->name . '/' . $iassign_ilm_parent->version . '/';
mkdir($dest, 0777);
//D echo " mover para " . $dest . "
\n";
$fs = get_file_storage();
$file = $fs->get_file_by_id($iassign_ilm_parent->file_jar);
$file->copy_content_to($dest . $file->get_filename());
// Update file_jar of iLM parent
$update_parent = new stdClass();
$update_parent->id = $iassign_ilm_parent->id;
$update_parent->file_jar = 'ilm/' . $iassign_ilm_parent->name . '/' . $iassign_ilm_parent->version . '/' . $file->get_filename();
$DB->update_record("iassign_ilm", $update_parent);
}
else {
$DB->insert_record('iassign_ilm', $record, false); // insert new iLM in the table '*_iassign_ilm' without a parent
}
} // else if ($iassign_ilm)
} // else if ($record['type'] == 'HTML5')
} // foreach ($records as $record)
} // if ($oldversion < 2018031000)
// log event -----------------------------------------------------
if (class_exists('plugin_manager'))
$pluginman = plugin_manager::instance();
else
$pluginman = core_plugin_manager::instance();
$plugins = $pluginman->get_plugins();
iassign_log::add_log('upgrade', 'version: ' . $plugins['mod']['iassign']->versiondisk);
// log event -----------------------------------------------------
return true;
}