course)) {
error("Course is misconfigured");
}
if (! $quiz = get_record("quiz", "id", $cm->instance)) {
error("Course module is incorrect");
}
} else {
if (! $quiz = get_record("quiz", "id", $q)) {
error("Course module is incorrect");
}
if (! $course = get_record("course", "id", $quiz->course)) {
error("Course is misconfigured");
}
if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) {
error("Course Module ID was incorrect");
}
}
require_login($course->id);
if (!isteacher($course->id)) {
if (!$quiz->review) {
error(get_string("noreview", "quiz"));
}
if (time() < $quiz->timeclose) {
error(get_string("noreviewuntil", "quiz", userdate($quiz->timeclose)));
}
if (empty($review)) {
error("You are using this script wrongly.");
}
}
if (!empty($review)) {
$attempt = $review;
}
add_to_log($course->id, "quiz", "report", "report.php?id=$cm->id", "$quiz->id");
// Print the page header
if ($course->category) {
$navigation = "id\">$course->shortname ->";
}
$strquizzes = get_string("modulenameplural", "quiz");
$strquiz = get_string("modulename", "quiz");
$strreport = get_string("report", "quiz");
$strname = get_string("name");
$strattempts = get_string("attempts", "quiz");
$strscore = get_string("score", "quiz");
$strgrade = get_string("grade");
$strbestgrade = get_string("bestgrade", "quiz");
$strtimetaken = get_string("timetaken", "quiz");
$strtimecompleted = get_string("timecompleted", "quiz");
print_header("$course->shortname: $quiz->name", "$course->fullname",
"$navigation id>$strquizzes
-> id\">$quiz->name -> $strreport",
"", "", true);
print_heading($quiz->name);
if (!empty($attempt)) { // Show a particular attempt
if (! $attempt = get_record("quiz_attempts", "id", $attempt)) {
error("No such attempt ID exists");
}
if (!isteacher($course->id)) {
if ($attempt->userid != $USER->id) {
error("This is not your attempt!");
}
}
if (! $questions = quiz_get_attempt_responses($attempt, $quiz)) {
error("Could not reconstruct quiz results for attempt $attempt->id!");
}
quiz_remove_unwanted_questions($questions, $quiz);
if (!$result = quiz_grade_attempt_results($quiz, $questions)) {
error("Could not re-grade this quiz attempt!");
}
if ($timetaken = ($attempt->timefinish - $attempt->timestart)) {
$timetaken = format_time($timetaken);
} else {
$timetaken = "-";
}
$table->align = array("RIGHT", "LEFT");
$table->data[] = array("$strtimetaken:", $timetaken);
$table->data[] = array("$strtimecompleted:", userdate($attempt->timefinish));
$table->data[] = array("$strscore:", "$result->sumgrades/$quiz->sumgrades ($result->percentage %)");
$table->data[] = array("$strgrade:", "$result->grade/$quiz->grade");
print_table($table);
if (empty($review)) {
print_continue("report.php?q=$quiz->id");
} else {
print_continue("view.php?q=$quiz->id");
}
$quiz->feedback = true;
$quiz->correctanswers = true;
$quiz->shuffleanswers = false;
$quiz->shufflequestions = false;
quiz_print_quiz_questions($quiz, $result, $questions);
if (empty($review)) {
print_continue("report.php?q=$quiz->id");
} else {
print_continue("view.php?q=$quiz->id");
}
print_footer($course);
exit;
}
if (!empty($regrade)) {
if (!$attempts = get_records("quiz_attempts", "quiz", $quiz->id)) {
print_header(get_string("noattempts", "quiz"));
print_continue("report.php?id=$cm->id");
print_footer($course);
exit;
}
$users = array();
$count->attempt = 0;
$count->changed = 0;
foreach ($attempts as $attempt) {
set_time_limit(120);
if (!$attempt->timefinish) { // Skip incomplete attempts
continue;
}
$count->attempt++;
if (! $questions = quiz_get_attempt_responses($attempt, $quiz)) {
error("Could not reconstruct quiz results for attempt $attempt->id!");
}
quiz_remove_unwanted_questions($questions, $quiz);
if (!$result = quiz_grade_attempt_results($quiz, $questions)) {
error("Could not re-grade this quiz attempt!");
}
if ($attempt->sumgrades != $result->sumgrades) {
$attempt->sumgrades = $result->sumgrades;
$count->changed++;
if (! update_record("quiz_attempts", $attempt)) {
notify("Could not regrade attempt $attempt->id");
}
}
$users[$attempt->userid] = $attempt->userid;
}
if ($users) {
foreach ($users as $userid) {
if (! quiz_save_best_grade($quiz, $userid)) {
notify("Could not save best grade for user $userid!");
}
}
}
print_heading(get_string("regradecomplete", "quiz"));
print_heading(get_string("regradecount", "quiz", $count));
print_continue("report.php?id=$cm->id");
print_footer($course);
exit;
}
if (!$grades = quiz_get_grade_records($quiz)) {
print_footer($course);
exit;
}
$table->head = array(" ", $strname, $strattempts, "$strbestgrade /$quiz->grade");
$table->align = array("CENTER", "LEFT", "LEFT", "CENTER");
$table->width = array(10, "*", "*", 20);
foreach ($grades as $grade) {
$picture = print_user_picture($grade->userid, $course->id, $grade->picture, false, true);
if ($attempts = quiz_get_user_attempts($quiz->id, $grade->userid)) {
$userattempts = quiz_get_user_attempts_string($quiz, $attempts, $grade->grade);
}
$table->data[] = array ($picture,
"wwwroot/user/view.php?id=$grade->userid&course=$course->id\">$grade->firstname $grade->lastname",
"$userattempts", round($grade->grade,0));
}
print_table($table);
echo "";
$options["regrade"] = "true";
$options["id"] = $cm->id;
print_single_button("report.php", $options, get_string("regrade", "quiz"));
echo "
";
// Finish the page
print_footer($course);
function quiz_remove_unwanted_questions(&$questions, $quiz) {
$quizquestions = array();
$quizids = explode(",", $quiz->questions);
foreach ($quizids as $quizid) {
$quizquestions[$quizid] = true;
}
foreach ($questions as $key => $question) {
if (!isset($quizquestions[$question->id])) {
unset($questions[$key]);
}
}
}
?>