/**
* Creates an object to represent a new attempt at a quiz
*
* Creates an attempt object to represent an attempt at the quiz by the current
* user starting at the current time. The ->id field is not set. The object is
* NOT written to the database.
* @return object The newly created attempt object.
* @param object $quiz The quiz to create an attempt for.
* @param integer $attemptnumber The sequence number for the attempt.
*/
function quiz_create_attempt($quiz, $attemptnumber)
{
global $USER, $CFG;
if (!$attemptnumber > 1 or !$quiz->attemptonlast or !($attempt = get_record('quiz_attempts', 'quiz', $quiz->id, 'userid', $USER->id, 'attempt', $attemptnumber - 1))) {
// we are not building on last attempt so create a new attempt
$attempt->quiz = $quiz->id;
$attempt->userid = $USER->id;
$attempt->preview = 0;
if ($quiz->shufflequestions) {
$attempt->layout = quiz_repaginate($quiz->questions, $quiz->questionsperpage, true);
} else {
$attempt->layout = $quiz->questions;
}
}
$timenow = time();
$attempt->attempt = $attemptnumber;
$attempt->sumgrades = 0.0;
$attempt->timestart = $timenow;
$attempt->timefinish = 0;
$attempt->timemodified = $timenow;
$attempt->uniqueid = question_new_attempt_uniqueid();
return $attempt;
}
$quiz = get_record("quiz", "id", $q);
if (!$quiz) {
error("Refereced quiz is not found: id=" . $q);
}
//TODO: cambiar por question_create_uniqueid_attempt
// Get number for the next or unfinished attempt
/*if(!$attemptnumber = (int)get_field_sql('SELECT MAX(attempt)+1 FROM ' .
"{$CFG->prefix}blended_attempts WHERE quiz = '{$quiz->id}' AND " .
"userid = '{$USER->id}'"))
{
$attemptnumber = 1;
}
*/
$timestamp = time();
for ($i = 0; $i < $numberpaperquiz; $i++) {
$attemptnumber = question_new_attempt_uniqueid('blended');
$attempts[$i] = blended_generate_attempt($attemptnumber, $quiz, $USER, $timestamp);
$jobs[$i]->quiz = $quiz->id;
$jobs[$i]->quiz_name = $quiz->name;
$jobs[$i]->blended = $blended->id;
$jobs[$i]->userid = $USER->id;
$jobs[$i]->status = JOB_STATE_WAITING;
$jobs[$i]->timestamp = $timestamp;
$jobs[$i]->attempt_id = $attempts[$i]->id;
// encode options in this column
$options = array();
$option['identifyLabel'] = $identifyLabel;
$option['columns'] = $columns;
$option['logourl'] = $logourl['value'];
$option['fontsize'] = $fontsize;
$optStr = array_implode('=', ',', $option);
function quiz_attempts_restore_mods($quiz_id, $info, $restore)
{
global $CFG;
$status = true;
//Get the quiz_attempts array
if (array_key_exists('ATTEMPTS', $info['MOD']['#'])) {
$attempts = $info['MOD']['#']['ATTEMPTS']['0']['#']['ATTEMPT'];
} else {
$attempts = array();
}
//Iterate over attempts
for ($i = 0; $i < sizeof($attempts); $i++) {
$att_info = $attempts[$i];
//traverse_xmlize($att_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($att_info['#']['ID']['0']['#']);
$olduserid = backup_todb($att_info['#']['USERID']['0']['#']);
//Now, build the ATTEMPTS record structure
$attempt = new stdClass();
$attempt->quiz = $quiz_id;
$attempt->userid = backup_todb($att_info['#']['USERID']['0']['#']);
$attempt->attempt = backup_todb($att_info['#']['ATTEMPTNUM']['0']['#']);
$attempt->sumgrades = backup_todb($att_info['#']['SUMGRADES']['0']['#']);
$attempt->timestart = backup_todb($att_info['#']['TIMESTART']['0']['#']);
$attempt->timefinish = backup_todb($att_info['#']['TIMEFINISH']['0']['#']);
$attempt->timemodified = backup_todb($att_info['#']['TIMEMODIFIED']['0']['#']);
$attempt->layout = backup_todb($att_info['#']['LAYOUT']['0']['#']);
$attempt->preview = backup_todb($att_info['#']['PREVIEW']['0']['#']);
//We have to recode the userid field
$user = backup_getid($restore->backup_unique_code, "user", $attempt->userid);
if ($user) {
$attempt->userid = $user->new_id;
}
//Set the uniqueid field
$attempt->uniqueid = question_new_attempt_uniqueid();
//We have to recode the layout field (a list of questions id and pagebreaks)
$attempt->layout = quiz_recode_layout($attempt->layout, $restore);
//The structure is equal to the db, so insert the quiz_attempts
$newid = insert_record("quiz_attempts", $attempt);
//Do some output
if (($i + 1) % 10 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i + 1) % 200 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code, "quiz_attempts", $oldid, $newid);
//Now process question_states
// This function is defined in question/restorelib.php
$status = question_states_restore_mods($attempt->uniqueid, $att_info, $restore);
} else {
$status = false;
}
}
return $status;
}
function quiz_attempts_restore_pre15_mods($quiz_id, $info, $restore, $quizquestions)
{
global $CFG;
$status = true;
//Get the quiz_attempts array
$attempts = $info['MOD']['#']['ATTEMPTS']['0']['#']['ATTEMPT'];
//Iterate over attempts
for ($i = 0; $i < sizeof($attempts); $i++) {
$att_info = $attempts[$i];
//traverse_xmlize($att_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($att_info['#']['ID']['0']['#']);
$olduserid = backup_todb($att_info['#']['USERID']['0']['#']);
//Now, build the ATTEMPTS record structure
$attempt->quiz = $quiz_id;
$attempt->userid = backup_todb($att_info['#']['USERID']['0']['#']);
$attempt->attempt = backup_todb($att_info['#']['ATTEMPTNUM']['0']['#']);
$attempt->sumgrades = backup_todb($att_info['#']['SUMGRADES']['0']['#']);
$attempt->timestart = backup_todb($att_info['#']['TIMESTART']['0']['#']);
$attempt->timefinish = backup_todb($att_info['#']['TIMEFINISH']['0']['#']);
$attempt->timemodified = backup_todb($att_info['#']['TIMEMODIFIED']['0']['#']);
//We have to recode the userid field
$user = backup_getid($restore->backup_unique_code, "user", $attempt->userid);
if ($user) {
$attempt->userid = $user->new_id;
}
//Set the layout field (inherited from quiz by default)
$attempt->layout = $quizquestions;
//Set the preview field (code from upgrade)
$cm = get_coursemodule_from_instance('quiz', $quiz_id);
if (has_capability('mod/quiz:preview', get_context_instance(CONTEXT_MODULE, $cm->id))) {
$attempt->preview = 1;
}
//Set the uniqueid field
$attempt->uniqueid = question_new_attempt_uniqueid();
//The structure is equal to the db, so insert the quiz_attempts
$newid = insert_record("quiz_attempts", $attempt);
//Do some output
if (($i + 1) % 10 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i + 1) % 200 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code, "quiz_attempts", $oldid, $newid);
//Now process question_states (old quiz_responses table)
$status = question_states_restore_pre15_mods($newid, $att_info, $restore);
} else {
$status = false;
}
}
return $status;
}
/**
* Creates an object to represent a new attempt at a quiz
*
* Creates an attempt object to represent an attempt at the quiz by the current
* user starting at the current time. The ->id field is not set. The object is
* NOT written to the database.
*
* @param object $quiz the quiz to create an attempt for.
* @param integer $attemptnumber the sequence number for the attempt.
* @param object $lastattempt the previous attempt by this user, if any. Only needed
* if $attemptnumber > 1 and $quiz->attemptonlast is true.
* @param integer $timenow the time the attempt was started at.
* @param boolean $ispreview whether this new attempt is a preview.
*
* @return object the newly created attempt object.
*/
function quiz_create_attempt($quiz, $attemptnumber, $lastattempt, $timenow, $ispreview = false)
{
global $USER;
if ($attemptnumber == 1 || !$quiz->attemptonlast) {
/// We are not building on last attempt so create a new attempt.
$attempt = new stdClass();
$attempt->quiz = $quiz->id;
$attempt->userid = $USER->id;
$attempt->preview = 0;
if ($quiz->shufflequestions) {
$attempt->layout = quiz_clean_layout(quiz_repaginate($quiz->questions, $quiz->questionsperpage, true), true);
} else {
$attempt->layout = quiz_clean_layout($quiz->questions, true);
}
} else {
/// Build on last attempt.
if (empty($lastattempt)) {
print_error('cannotfindprevattempt', 'quiz');
}
$attempt = $lastattempt;
}
$attempt->attempt = $attemptnumber;
$attempt->sumgrades = 0.0;
$attempt->timestart = $timenow;
$attempt->timefinish = 0;
$attempt->timemodified = $timenow;
$attempt->uniqueid = question_new_attempt_uniqueid();
/// If this is a preview, mark it as such.
if ($ispreview) {
$attempt->preview = 1;
}
return $attempt;
}
protected function process_quiz_attempt($data)
{
global $DB;
$data = (object) $data;
$oldid = $data->id;
$olduniqueid = $data->uniqueid;
$data->quiz = $this->get_new_parentid('quiz');
$data->attempt = $data->attemptnum;
$data->uniqueid = question_new_attempt_uniqueid('quiz');
$data->userid = $this->get_mappingid('user', $data->userid);
$data->timestart = $this->apply_date_offset($data->timestart);
$data->timefinish = $this->apply_date_offset($data->timefinish);
$data->timemodified = $this->apply_date_offset($data->timemodified);
$data->layout = $this->questions_recode_layout($data->layout);
$newitemid = $DB->insert_record('quiz_attempts', $data);
// Save quiz_attempt->uniqueid as quiz_attempt mapping, both question_states and
// question_sessions have Fk to it and not to quiz_attempts->id at all.
$this->set_mapping('quiz_attempt', $olduniqueid, $data->uniqueid, false);
// Also save quiz_attempt->id mapping, because logs use it
$this->set_mapping('quiz_attempt_id', $oldid, $newitemid, false);
}
