/**
* Quiz module upgrade function.
* @param string $oldversion the version we are upgrading from.
*/
function xmldb_quiz_upgrade($oldversion) {
global $CFG, $DB;
$dbman = $DB->get_manager();
//===== 1.9.0 upgrade line ======//
if ($oldversion < 2008062000) {
// Define table quiz_report to be created
$table = new xmldb_table('quiz_report');
// Adding fields to table quiz_report
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('name', XMLDB_TYPE_CHAR, '255', null,
null, null, null);
$table->add_field('displayorder', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, null);
// Adding keys to table quiz_report
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
// Conditionally launch create table for quiz_report
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
upgrade_mod_savepoint(true, 2008062000, 'quiz');
}
if ($oldversion < 2008062001) {
$reporttoinsert = new stdClass();
$reporttoinsert->name = 'overview';
$reporttoinsert->displayorder = 10000;
$DB->insert_record('quiz_report', $reporttoinsert);
$reporttoinsert = new stdClass();
$reporttoinsert->name = 'responses';
$reporttoinsert->displayorder = 9000;
$DB->insert_record('quiz_report', $reporttoinsert);
$reporttoinsert = new stdClass();
$reporttoinsert->name = 'regrade';
$reporttoinsert->displayorder = 7000;
$DB->insert_record('quiz_report', $reporttoinsert);
$reporttoinsert = new stdClass();
$reporttoinsert->name = 'grading';
$reporttoinsert->displayorder = 6000;
$DB->insert_record('quiz_report', $reporttoinsert);
upgrade_mod_savepoint(true, 2008062001, 'quiz');
}
if ($oldversion < 2008072402) {
// Define field lastcron to be added to quiz_report
$table = new xmldb_table('quiz_report');
$field = new xmldb_field('lastcron', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'displayorder');
// Conditionally launch add field lastcron
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Define field cron to be added to quiz_report
$field = new xmldb_field('cron', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'lastcron');
// Conditionally launch add field cron
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2008072402, 'quiz');
}
if ($oldversion < 2008072900) {
// Delete the regrade report - it is now part of the overview report.
$DB->delete_records('quiz_report', array('name' => 'regrade'));
// quiz savepoint reached
upgrade_mod_savepoint(true, 2008072900, 'quiz');
}
if ($oldversion < 2008081500) {
// Define table quiz_question_versions to be dropped
$table = new xmldb_table('quiz_question_versions');
// Launch drop table for quiz_question_versions
$dbman->drop_table($table);
// quiz savepoint reached
upgrade_mod_savepoint(true, 2008081500, 'quiz');
}
// Changing the type of all the columns that store grades to be NUMBER(10, 5) or similar.
if ($oldversion < 2008081501) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz} SET sumgrades=0 WHERE sumgrades IS NULL');
$table = new xmldb_table('quiz');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'questions');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081501, 'quiz');
}
if ($oldversion < 2008081502) {
$table = new xmldb_table('quiz');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'sumgrades');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081502, 'quiz');
}
if ($oldversion < 2008081503) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz_attempts} SET sumgrades=0 WHERE sumgrades IS NULL');
$table = new xmldb_table('quiz_attempts');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'attempt');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081503, 'quiz');
}
if ($oldversion < 2008081504) {
$table = new xmldb_table('quiz_feedback');
$field = new xmldb_field('mingrade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'feedbacktext');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081504, 'quiz');
}
if ($oldversion < 2008081505) {
$table = new xmldb_table('quiz_feedback');
$field = new xmldb_field('maxgrade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'mingrade');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081505, 'quiz');
}
if ($oldversion < 2008081506) {
$table = new xmldb_table('quiz_grades');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'userid');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081506, 'quiz');
}
if ($oldversion < 2008081507) {
$table = new xmldb_table('quiz_question_instances');
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '12, 7', null,
XMLDB_NOTNULL, null, '0', 'question');
$dbman->change_field_type($table, $field);
upgrade_mod_savepoint(true, 2008081507, 'quiz');
}
// Move all of the quiz config settings from $CFG to the config_plugins table.
if ($oldversion < 2008082200) {
foreach (get_object_vars($CFG) as $name => $value) {
if (strpos($name, 'quiz_') === 0) {
$shortname = substr($name, 5);
if ($shortname == 'fix_adaptive') {
// Special case - remove old inconsistency.
$shortname == 'fix_optionflags';
}
set_config($shortname, $value, 'quiz');
unset_config($name);
}
}
upgrade_mod_savepoint(true, 2008082200, 'quiz');
}
// Now that the quiz is no longer responsible for creating all the question
// bank tables, and some of the tables are now the responsibility of the
// datasetdependent question type, which did not have a version.php file before,
// we need to say that these tables are already installed, otherwise XMLDB
// will try to create them again and give an error.
if ($oldversion < 2008082600) {
// Since MDL-16505 was fixed, and we eliminated the datasetdependent
// question type, this is now a no-op.
upgrade_mod_savepoint(true, 2008082600, 'quiz');
}
if ($oldversion < 2008112101) {
// Define field lastcron to be added to quiz_report
$table = new xmldb_table('quiz_report');
$field = new xmldb_field('capability', XMLDB_TYPE_CHAR, '255', null,
null, null, null, 'cron');
// Conditionally launch add field lastcron
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2008112101, 'quiz');
}
if ($oldversion < 2009010700) {
// Define field showuserpicture to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('showuserpicture', XMLDB_TYPE_INTEGER, '4', null,
XMLDB_NOTNULL, null, '0', 'delay2');
// Conditionally launch add field showuserpicture
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2009010700, 'quiz');
}
if ($oldversion < 2009030900) {
// If there are no quiz settings set to advanced yet, the set up the default
// advanced fields from Moodle 2.0.
$quizconfig = get_config('quiz');
$arealreadyadvanced = false;
foreach (array($quizconfig) as $name => $value) {
if (strpos($name, 'fix_') === 0 && !empty($value)) {
$arealreadyadvanced = true;
break;
}
}
if (!$arealreadyadvanced) {
set_config('fix_penaltyscheme', 1, 'quiz');
set_config('fix_attemptonlast', 1, 'quiz');
set_config('fix_questiondecimalpoints', 1, 'quiz');
set_config('fix_password', 1, 'quiz');
set_config('fix_subnet', 1, 'quiz');
set_config('fix_delay1', 1, 'quiz');
set_config('fix_delay2', 1, 'quiz');
set_config('fix_popup', 1, 'quiz');
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2009030900, 'quiz');
}
if ($oldversion < 2009031000) {
// Add new questiondecimaldigits setting, separate form the overall decimaldigits one.
$table = new xmldb_table('quiz');
$field = new xmldb_field('questiondecimalpoints', XMLDB_TYPE_INTEGER, '4', null,
XMLDB_NOTNULL, null, '-2', 'decimalpoints');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2009031000, 'quiz');
}
if ($oldversion < 2009031001) {
// Convert quiz.timelimit from minutes to seconds.
$DB->execute('UPDATE {quiz} SET timelimit = timelimit * 60');
$default = get_config('quiz', 'timelimit');
set_config('timelimit', 60 * $default, 'quiz');
// quiz savepoint reached
upgrade_mod_savepoint(true, 2009031001, 'quiz');
}
if ($oldversion < 2009042000) {
// Define field introformat to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('introformat', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'intro');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// conditionally migrate to html format in intro
if ($CFG->texteditors !== 'textarea') {
$rs = $DB->get_recordset('quiz', array('introformat' => FORMAT_MOODLE),
'', 'id, intro, introformat');
foreach ($rs as $q) {
$q->intro = text_to_html($q->intro, false, false, true);
$q->introformat = FORMAT_HTML;
$DB->update_record('quiz', $q);
upgrade_set_timeout();
}
$rs->close();
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2009042000, 'quiz');
}
if ($oldversion < 2010030501) {
// Define table quiz_overrides to be created
$table = new xmldb_table('quiz_overrides');
// Adding fields to table quiz_overrides
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('quiz', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0');
$table->add_field('groupid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
null, null, null);
$table->add_field('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
null, null, null);
$table->add_field('timeopen', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
null, null, null);
$table->add_field('timeclose', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
null, null, null);
$table->add_field('timelimit', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED,
null, null, null);
$table->add_field('attempts', XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
null, null, null);
$table->add_field('password', XMLDB_TYPE_CHAR, '255', null, null, null, null);
// Adding keys to table quiz_overrides
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('quiz', XMLDB_KEY_FOREIGN, array('quiz'), 'quiz', array('id'));
$table->add_key('groupid', XMLDB_KEY_FOREIGN, array('groupid'), 'groups', array('id'));
$table->add_key('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
// Conditionally launch create table for quiz_overrides
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2010030501, 'quiz');
}
if ($oldversion < 2010051800) {
// Define field showblocks to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('showblocks', XMLDB_TYPE_INTEGER, '4', null,
XMLDB_NOTNULL, null, '0', 'showuserpicture');
// Conditionally launch add field showblocks
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2010051800, 'quiz');
}
if ($oldversion < 2010080600) {
// Define field feedbacktextformat to be added to quiz_feedback
$table = new xmldb_table('quiz_feedback');
$field = new xmldb_field('feedbacktextformat', XMLDB_TYPE_INTEGER, '2', null,
XMLDB_NOTNULL, null, '0', 'feedbacktext');
// Conditionally launch add field feedbacktextformat
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// This column defaults to FORMAT_MOODLE, which is correct.
// quiz savepoint reached
upgrade_mod_savepoint(true, 2010080600, 'quiz');
}
if ($oldversion < 2010102000) {
// Define field showblocks to be added to quiz
// Repeat this step, because the column was missing from install.xml for a time.
$table = new xmldb_table('quiz');
$field = new xmldb_field('showblocks', XMLDB_TYPE_INTEGER, '4', null,
XMLDB_NOTNULL, null, '0', 'showuserpicture');
// Conditionally launch add field showblocks
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2010102000, 'quiz');
}
if ($oldversion < 2010122300) {
// Fix quiz in the post table after upgrade from 1.9
$table = new xmldb_table('quiz');
$columns = $DB->get_columns('quiz');
// quiz.questiondecimalpoints should be int (4) not null default -2
if (array_key_exists('questiondecimalpoints', $columns) &&
$columns['questiondecimalpoints']->default_value != '-2') {
$field = new xmldb_field('questiondecimalpoints', XMLDB_TYPE_INTEGER, '4', null,
XMLDB_NOTNULL, null, -2, 'decimalpoints');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
// quiz.sumgrades should be decimal(10, 5) not null default 0
if (array_key_exists('sumgrades', $columns) && empty($columns['sumgrades']->not_null)) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz} SET sumgrades=0 WHERE sumgrades IS NULL');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'questions');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
// quiz.grade should be decimal(10, 5) not null default 0
if (array_key_exists('grade', $columns) && empty($columns['grade']->not_null)) {
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'sumgrades');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122300, 'quiz');
}
if ($oldversion < 2010122301) {
// Fix quiz_attempts in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_attempts');
$columns = $DB->get_columns('quiz_attempts');
// quiz_attempts.sumgrades should be decimal(10, 5) not null default 0
if (array_key_exists('sumgrades', $columns) && empty($columns['sumgrades']->not_null)) {
// First set all quiz.sumgrades to 0 if they are null. This should never
// happen however some users have encountered a null value there.
$DB->execute('UPDATE {quiz_attempts} SET sumgrades=0 WHERE sumgrades IS NULL');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'attempt');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122301, 'quiz');
}
if ($oldversion < 2010122302) {
// Fix quiz_feedback in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_feedback');
$columns = $DB->get_columns('quiz_feedback');
// quiz_feedback.mingrade should be decimal(10, 5) not null default 0
if (array_key_exists('mingrade', $columns) && empty($columns['mingrade']->not_null)) {
$field = new xmldb_field('mingrade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'feedbacktextformat');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
// quiz_feedback.maxgrade should be decimal(10, 5) not null default 0
if (array_key_exists('maxgrade', $columns) && empty($columns['maxgrade']->not_null)) {
// Fixed in earlier upgrade code
$field = new xmldb_field('maxgrade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'mingrade');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122302, 'quiz');
}
if ($oldversion < 2010122303) {
// Fix quiz_grades in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_grades');
$columns = $DB->get_columns('quiz_grades');
// quiz_grades.grade should be decimal(10, 5) not null default 0
if (array_key_exists('grade', $columns) && empty($columns['grade']->not_null)) {
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '10, 5', null,
XMLDB_NOTNULL, null, '0', 'userid');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122303, 'quiz');
}
if ($oldversion < 2010122304) {
// Fix quiz_question_instances in the post table after upgrade from 1.9
$table = new xmldb_table('quiz_question_instances');
$columns = $DB->get_columns('quiz_question_instances');
// quiz_question_instances.grade should be decimal(12, 7) not null default 0
if (array_key_exists('grade', $columns) && empty($columns['grade']->not_null)) {
$field = new xmldb_field('grade', XMLDB_TYPE_NUMBER, '12, 7', null,
XMLDB_NOTNULL, null, '0', 'question');
if ($dbman->field_exists($table, $field)) {
$dbman->change_field_default($table, $field);
}
}
upgrade_mod_savepoint(true, 2010122304, 'quiz');
}
//===== 2.1.0 upgrade line ======//
// Complete any old upgrade from 1.5 that was never finished.
if ($oldversion < 2011051199) {
$table = new xmldb_table('question_states');
if ($dbman->table_exists($table)) {
$transaction = $DB->start_delegated_transaction();
$oldattempts = $DB->get_records_sql('
SELECT *
FROM {quiz_attempts} quiza
WHERE uniqueid IN (
SELECT DISTINCT qst.attempt
FROM {question_states} qst
LEFT JOIN {question_sessions} qsess ON
qst.question = qsess.questionid AND qst.attempt = qsess.attemptid
WHERE qsess.id IS NULL
)
');
if ($oldattempts) {
require_once($CFG->dirroot . '/mod/quiz/db/upgradelib.php');
$pbar = new progress_bar('q15upgrade');
$pbar->create();
$a = new stdClass();
$a->outof = count($oldattempts);
$a->done = 0;
$pbar->update($a->done, $a->outof,
get_string('upgradingveryoldquizattempts', 'quiz', $a));
foreach ($oldattempts as $oldattempt) {
quiz_upgrade_very_old_question_sessions($oldattempt);
$a->done += 1;
$pbar->update($a->done, $a->outof,
get_string('upgradingveryoldquizattempts', 'quiz', $a));
}
}
$transaction->allow_commit();
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051199, 'quiz');
}
// Add new preferredbehaviour column to the quiz table.
if ($oldversion < 2011051200) {
$table = new xmldb_table('quiz');
$field = new xmldb_field('preferredbehaviour');
$field->set_attributes(XMLDB_TYPE_CHAR, '32', null,
null, null, null, 'timeclose');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051200, 'quiz');
}
// Populate preferredbehaviour column based on old optionflags column.
if ($oldversion < 2011051201) {
if ($dbman->field_exists('quiz', 'optionflags')) {
$DB->set_field_select('quiz', 'preferredbehaviour', 'deferredfeedback',
'optionflags = 0');
$DB->set_field_select('quiz', 'preferredbehaviour', 'adaptive',
'optionflags <> 0 AND penaltyscheme <> 0');
$DB->set_field_select('quiz', 'preferredbehaviour', 'adaptivenopenalty',
'optionflags <> 0 AND penaltyscheme = 0');
set_config('preferredbehaviour', 'deferredfeedback', 'quiz');
set_config('fix_preferredbehaviour', 0, 'quiz');
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051201, 'quiz');
}
// Add a not-NULL constraint to the preferredmodel field now that it is populated.
if ($oldversion < 2011051202) {
$table = new xmldb_table('quiz');
$field = new xmldb_field('preferredbehaviour');
$field->set_attributes(XMLDB_TYPE_CHAR, '32', null,
XMLDB_NOTNULL, null, null, 'timeclose');
$dbman->change_field_notnull($table, $field);
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051202, 'quiz');
}
// Drop the old optionflags field.
if ($oldversion < 2011051203) {
$table = new xmldb_table('quiz');
$field = new xmldb_field('optionflags');
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
unset_config('optionflags', 'quiz');
unset_config('fix_optionflags', 'quiz');
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051203, 'quiz');
}
// Drop the old penaltyscheme field.
if ($oldversion < 2011051204) {
$table = new xmldb_table('quiz');
$field = new xmldb_field('penaltyscheme');
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
unset_config('penaltyscheme', 'quiz');
unset_config('fix_penaltyscheme', 'quiz');
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051204, 'quiz');
}
if ($oldversion < 2011051205) {
// Changing nullability of field sumgrades on table quiz_attempts to null
$table = new xmldb_table('quiz_attempts');
$field = new xmldb_field('sumgrades');
$field->set_attributes(XMLDB_TYPE_NUMBER, '10, 5', null,
null, null, null, 'attempt');
// Launch change of nullability for field sumgrades
$dbman->change_field_notnull($table, $field);
// Launch change of default for field sumgrades
$dbman->change_field_default($table, $field);
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051205, 'quiz');
}
if ($oldversion < 2011051207) {
// Define field reviewattempt to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('reviewattempt');
$field->set_attributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'review');
// Launch add field reviewattempt
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051207, 'quiz');
}
if ($oldversion < 2011051208) {
// Define field reviewattempt to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('reviewcorrectness');
$field->set_attributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'reviewattempt');
// Launch add field reviewattempt
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051208, 'quiz');
}
if ($oldversion < 2011051209) {
// Define field reviewattempt to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('reviewmarks');
$field->set_attributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'reviewcorrectness');
// Launch add field reviewattempt
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051209, 'quiz');
}
if ($oldversion < 2011051210) {
// Define field reviewattempt to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('reviewspecificfeedback');
$field->set_attributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'reviewmarks');
// Launch add field reviewattempt
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051210, 'quiz');
}
if ($oldversion < 2011051211) {
// Define field reviewattempt to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('reviewgeneralfeedback');
$field->set_attributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'reviewspecificfeedback');
// Launch add field reviewattempt
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051211, 'quiz');
}
if ($oldversion < 2011051212) {
// Define field reviewattempt to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('reviewrightanswer');
$field->set_attributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'reviewgeneralfeedback');
// Launch add field reviewattempt
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051212, 'quiz');
}
if ($oldversion < 2011051213) {
// Define field reviewattempt to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('reviewoverallfeedback');
$field->set_attributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'reviewrightanswer');
// Launch add field reviewattempt
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051213, 'quiz');
}
define('QUIZ_NEW_DURING', 0x10000);
define('QUIZ_NEW_IMMEDIATELY_AFTER', 0x01000);
define('QUIZ_NEW_LATER_WHILE_OPEN', 0x00100);
define('QUIZ_NEW_AFTER_CLOSE', 0x00010);
define('QUIZ_OLD_IMMEDIATELY', 0x3c003f);
define('QUIZ_OLD_OPEN', 0x3c00fc0);
define('QUIZ_OLD_CLOSED', 0x3c03f000);
define('QUIZ_OLD_RESPONSES', 1*0x1041); // Show responses
define('QUIZ_OLD_SCORES', 2*0x1041); // Show scores
define('QUIZ_OLD_FEEDBACK', 4*0x1041); // Show question feedback
define('QUIZ_OLD_ANSWERS', 8*0x1041); // Show correct answers
define('QUIZ_OLD_SOLUTIONS', 16*0x1041); // Show solutions
define('QUIZ_OLD_GENERALFEEDBACK', 32*0x1041); // Show question general feedback
define('QUIZ_OLD_OVERALLFEEDBACK', 1*0x4440000); // Show quiz overall feedback
// Copy the old review settings
if ($oldversion < 2011051214) {
if ($dbman->field_exists('quiz', 'review')) {
$DB->execute("
UPDATE {quiz}
SET reviewattempt = " . $DB->sql_bitor($DB->sql_bitor(
QUIZ_NEW_DURING,
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_RESPONSES) .
' <> 0 THEN ' . QUIZ_NEW_IMMEDIATELY_AFTER . ' ELSE 0 END'), $DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_OPEN & QUIZ_OLD_RESPONSES) .
' <> 0 THEN ' . QUIZ_NEW_LATER_WHILE_OPEN . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_CLOSED & QUIZ_OLD_RESPONSES) .
' <> 0 THEN ' . QUIZ_NEW_AFTER_CLOSE . ' ELSE 0 END')) . "
");
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051214, 'quiz');
}
if ($oldversion < 2011051215) {
if ($dbman->field_exists('quiz', 'review')) {
$DB->execute("
UPDATE {quiz}
SET reviewcorrectness = " . $DB->sql_bitor($DB->sql_bitor(
QUIZ_NEW_DURING,
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_SCORES) .
' <> 0 THEN ' . QUIZ_NEW_IMMEDIATELY_AFTER . ' ELSE 0 END'), $DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_OPEN & QUIZ_OLD_SCORES) .
' <> 0 THEN ' . QUIZ_NEW_LATER_WHILE_OPEN . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_CLOSED & QUIZ_OLD_SCORES) .
' <> 0 THEN ' . QUIZ_NEW_AFTER_CLOSE . ' ELSE 0 END')) . "
");
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051215, 'quiz');
}
if ($oldversion < 2011051216) {
if ($dbman->field_exists('quiz', 'review')) {
$DB->execute("
UPDATE {quiz}
SET reviewmarks = " . $DB->sql_bitor($DB->sql_bitor(
QUIZ_NEW_DURING,
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_SCORES) .
' <> 0 THEN ' . QUIZ_NEW_IMMEDIATELY_AFTER . ' ELSE 0 END'), $DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_OPEN & QUIZ_OLD_SCORES) .
' <> 0 THEN ' . QUIZ_NEW_LATER_WHILE_OPEN . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_CLOSED & QUIZ_OLD_SCORES) .
' <> 0 THEN ' . QUIZ_NEW_AFTER_CLOSE . ' ELSE 0 END')) . "
");
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051216, 'quiz');
}
if ($oldversion < 2011051217) {
if ($dbman->field_exists('quiz', 'review')) {
$DB->execute("
UPDATE {quiz}
SET reviewspecificfeedback = " . $DB->sql_bitor($DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_FEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_DURING . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_FEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_IMMEDIATELY_AFTER . ' ELSE 0 END'), $DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_OPEN & QUIZ_OLD_FEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_LATER_WHILE_OPEN . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_CLOSED & QUIZ_OLD_FEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_AFTER_CLOSE . ' ELSE 0 END')) . "
");
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051217, 'quiz');
}
if ($oldversion < 2011051218) {
if ($dbman->field_exists('quiz', 'review')) {
$DB->execute("
UPDATE {quiz}
SET reviewgeneralfeedback = " . $DB->sql_bitor($DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_GENERALFEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_DURING . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_GENERALFEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_IMMEDIATELY_AFTER . ' ELSE 0 END'), $DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_OPEN & QUIZ_OLD_GENERALFEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_LATER_WHILE_OPEN . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_CLOSED & QUIZ_OLD_GENERALFEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_AFTER_CLOSE . ' ELSE 0 END')) . "
");
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051218, 'quiz');
}
if ($oldversion < 2011051219) {
if ($dbman->field_exists('quiz', 'review')) {
$DB->execute("
UPDATE {quiz}
SET reviewrightanswer = " . $DB->sql_bitor($DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_ANSWERS) .
' <> 0 THEN ' . QUIZ_NEW_DURING . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_ANSWERS) .
' <> 0 THEN ' . QUIZ_NEW_IMMEDIATELY_AFTER . ' ELSE 0 END'), $DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_OPEN & QUIZ_OLD_ANSWERS) .
' <> 0 THEN ' . QUIZ_NEW_LATER_WHILE_OPEN . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_CLOSED & QUIZ_OLD_ANSWERS) .
' <> 0 THEN ' . QUIZ_NEW_AFTER_CLOSE . ' ELSE 0 END')) . "
");
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051219, 'quiz');
}
if ($oldversion < 2011051220) {
if ($dbman->field_exists('quiz', 'review')) {
$DB->execute("
UPDATE {quiz}
SET reviewoverallfeedback = " . $DB->sql_bitor($DB->sql_bitor(
0,
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_OVERALLFEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_IMMEDIATELY_AFTER . ' ELSE 0 END'), $DB->sql_bitor(
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_OPEN & QUIZ_OLD_OVERALLFEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_LATER_WHILE_OPEN . ' ELSE 0 END',
'CASE WHEN ' . $DB->sql_bitand('review', QUIZ_OLD_CLOSED & QUIZ_OLD_OVERALLFEEDBACK) .
' <> 0 THEN ' . QUIZ_NEW_AFTER_CLOSE . ' ELSE 0 END')) . "
");
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051220, 'quiz');
}
// And, do the same for the defaults
if ($oldversion < 2011051221) {
$quizrevew = get_config('quiz', 'review');
if (!empty($quizrevew)) {
set_config('reviewattempt',
QUIZ_NEW_DURING |
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_RESPONSES ? QUIZ_NEW_IMMEDIATELY_AFTER : 0) |
($quizrevew & QUIZ_OLD_OPEN & QUIZ_OLD_RESPONSES ? QUIZ_NEW_LATER_WHILE_OPEN : 0) |
($quizrevew & QUIZ_OLD_CLOSED & QUIZ_OLD_RESPONSES ? QUIZ_NEW_AFTER_CLOSE : 0),
'quiz');
set_config('reviewcorrectness',
QUIZ_NEW_DURING |
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_SCORES ? QUIZ_NEW_IMMEDIATELY_AFTER : 0) |
($quizrevew & QUIZ_OLD_OPEN & QUIZ_OLD_SCORES ? QUIZ_NEW_LATER_WHILE_OPEN : 0) |
($quizrevew & QUIZ_OLD_CLOSED & QUIZ_OLD_SCORES ? QUIZ_NEW_AFTER_CLOSE : 0),
'quiz');
set_config('reviewmarks',
QUIZ_NEW_DURING |
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_SCORES ? QUIZ_NEW_IMMEDIATELY_AFTER : 0) |
($quizrevew & QUIZ_OLD_OPEN & QUIZ_OLD_SCORES ? QUIZ_NEW_LATER_WHILE_OPEN : 0) |
($quizrevew & QUIZ_OLD_CLOSED & QUIZ_OLD_SCORES ? QUIZ_NEW_AFTER_CLOSE : 0),
'quiz');
set_config('reviewspecificfeedback',
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_FEEDBACK ? QUIZ_NEW_DURING : 0) |
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_FEEDBACK ? QUIZ_NEW_IMMEDIATELY_AFTER : 0) |
($quizrevew & QUIZ_OLD_OPEN & QUIZ_OLD_FEEDBACK ? QUIZ_NEW_LATER_WHILE_OPEN : 0) |
($quizrevew & QUIZ_OLD_CLOSED & QUIZ_OLD_FEEDBACK ? QUIZ_NEW_AFTER_CLOSE : 0),
'quiz');
set_config('reviewgeneralfeedback',
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_GENERALFEEDBACK ? QUIZ_NEW_DURING : 0) |
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_GENERALFEEDBACK ? QUIZ_NEW_IMMEDIATELY_AFTER : 0) |
($quizrevew & QUIZ_OLD_OPEN & QUIZ_OLD_GENERALFEEDBACK ? QUIZ_NEW_LATER_WHILE_OPEN : 0) |
($quizrevew & QUIZ_OLD_CLOSED & QUIZ_OLD_GENERALFEEDBACK ? QUIZ_NEW_AFTER_CLOSE : 0),
'quiz');
set_config('reviewrightanswer',
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_ANSWERS ? QUIZ_NEW_DURING : 0) |
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_ANSWERS ? QUIZ_NEW_IMMEDIATELY_AFTER : 0) |
($quizrevew & QUIZ_OLD_OPEN & QUIZ_OLD_ANSWERS ? QUIZ_NEW_LATER_WHILE_OPEN : 0) |
($quizrevew & QUIZ_OLD_CLOSED & QUIZ_OLD_ANSWERS ? QUIZ_NEW_AFTER_CLOSE : 0),
'quiz');
set_config('reviewoverallfeedback',
0 |
($quizrevew & QUIZ_OLD_IMMEDIATELY & QUIZ_OLD_OVERALLFEEDBACK ? QUIZ_NEW_IMMEDIATELY_AFTER : 0) |
($quizrevew & QUIZ_OLD_OPEN & QUIZ_OLD_OVERALLFEEDBACK ? QUIZ_NEW_LATER_WHILE_OPEN : 0) |
($quizrevew & QUIZ_OLD_CLOSED & QUIZ_OLD_OVERALLFEEDBACK ? QUIZ_NEW_AFTER_CLOSE : 0),
'quiz');
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051221, 'quiz');
}
// Finally drop the old column
if ($oldversion < 2011051222) {
// Define field review to be dropped from quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('review');
// Launch drop field review
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051222, 'quiz');
}
if ($oldversion < 2011051223) {
unset_config('review', 'quiz');
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051223, 'quiz');
}
if ($oldversion < 2011051225) {
// Define table quiz_report to be renamed to quiz_reports
$table = new xmldb_table('quiz_report');
// Launch rename table for quiz_reports
if ($dbman->table_exists($table)) {
$dbman->rename_table($table, 'quiz_reports');
}
upgrade_mod_savepoint(true, 2011051225, 'quiz');
}
if ($oldversion < 2011051226) {
// Define index name (unique) to be added to quiz_reports
$table = new xmldb_table('quiz_reports');
$index = new xmldb_index('name', XMLDB_INDEX_UNIQUE, array('name'));
// Conditionally launch add index name
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
upgrade_mod_savepoint(true, 2011051226, 'quiz');
}
if ($oldversion < 2011051227) {
// Changing nullability of field sumgrades on table quiz_attempts to null
$table = new xmldb_table('quiz_attempts');
$field = new xmldb_field('sumgrades', XMLDB_TYPE_NUMBER, '10, 5', null,
null, null, null, 'attempt');
// Launch change of nullability for field sumgrades
$dbman->change_field_notnull($table, $field);
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051227, 'quiz');
}
if ($oldversion < 2011051228) {
// Define field needsupgradetonewqe to be added to quiz_attempts
$table = new xmldb_table('quiz_attempts');
$field = new xmldb_field('needsupgradetonewqe', XMLDB_TYPE_INTEGER, '3', XMLDB_UNSIGNED,
XMLDB_NOTNULL, null, '0', 'preview');
// Launch add field needsupgradetonewqe
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
$DB->set_field('quiz_attempts', 'needsupgradetonewqe', 1);
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051228, 'quiz');
}
if ($oldversion < 2011051229) {
$table = new xmldb_table('question_states');
if ($dbman->table_exists($table)) {
// First delete all data from preview attempts.
$DB->delete_records_select('question_states',
"attempt IN (SELECT uniqueid FROM {quiz_attempts} WHERE preview = 1)");
$DB->delete_records_select('question_sessions',
"attemptid IN (SELECT uniqueid FROM {quiz_attempts} WHERE preview = 1)");
$DB->delete_records('quiz_attempts', array('preview' => 1));
// Now update all the old attempt data.
$oldrcachesetting = $CFG->rcache;
$CFG->rcache = false;
require_once($CFG->dirroot . '/question/engine/upgrade/upgradelib.php');
$upgrader = new question_engine_attempt_upgrader();
$upgrader->convert_all_quiz_attempts();
$CFG->rcache = $oldrcachesetting;
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011051229, 'quiz');
}
// Moodle v2.1.0 release upgrade line
// Put any upgrade step following this
if ($oldversion < 2011100600) {
// Define field browsersecurity to be added to quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('browsersecurity', XMLDB_TYPE_CHAR, '32', null,
XMLDB_NOTNULL, null, '[unknownvalue]', 'subnet');
// Conditionally launch add field browsersecurity
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011100600, 'quiz');
}
if ($oldversion < 2011100601) {
$DB->set_field('quiz', 'browsersecurity', '-', array('popup' => 0));
$DB->set_field('quiz', 'browsersecurity', 'securewindow', array('popup' => 1));
$DB->set_field('quiz', 'browsersecurity', 'safebrowser', array('popup' => 2));
upgrade_mod_savepoint(true, 2011100601, 'quiz');
}
if ($oldversion < 2011100602) {
// Changing the default of field browsersecurity on table quiz to drop it
$table = new xmldb_table('quiz');
$field = new xmldb_field('browsersecurity', XMLDB_TYPE_CHAR, '32', null,
XMLDB_NOTNULL, null, null, 'subnet');
// Launch change of default for field browsersecurity
$dbman->change_field_default($table, $field);
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011100602, 'quiz');
}
if ($oldversion < 2011100603) {
// Define field popup to be dropped from quiz
$table = new xmldb_table('quiz');
$field = new xmldb_field('popup');
// Conditionally launch drop field popup
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
// quiz savepoint reached
upgrade_mod_savepoint(true, 2011100603, 'quiz');
}
if ($oldversion < 2011100604) {
switch (get_config('quiz', 'popup')) {
case 1:
set_config('browsersecurity', 'securewindow', 'quiz');
break;
case 2:
set_config('browsersecurity', 'safebrowser', 'quiz');
break;
default:
set_config('browsersecurity', '-', 'quiz');
}
unset_config('quiz', 'popup');
set_config('browsersecurity_adv', get_config('quiz', 'popup_adv'), 'quiz');
unset_config('quiz', 'popup_adv');
upgrade_mod_savepoint(true, 2011100604, 'quiz');
}
// Moodle v2.2.0 release upgrade line
// Put any upgrade step following this
return true;
}
protected function convert_quiz_attempt($quiz, $attempt, $questionsessionsrs, $questionsstatesrs)
{
$this->attemptsdone += 1;
return parent::convert_quiz_attempt($quiz, $attempt, $questionsessionsrs, $questionsstatesrs);
}