/** * Update grades in central gradebook * * @param object $quiz null means all quizs * @param int $userid specific user only, 0 mean all */ function quiz_update_grades($quiz = null, $userid = 0, $nullifnone = true) { global $CFG; if (!function_exists('grade_update')) { //workaround for buggy PHP versions require_once $CFG->libdir . '/gradelib.php'; } if ($quiz != null) { if ($grades = quiz_get_user_grades($quiz, $userid)) { quiz_grade_item_update($quiz, $grades); } else { if ($userid and $nullifnone) { $grade = new object(); $grade->userid = $userid; $grade->rawgrade = NULL; quiz_grade_item_update($quiz, $grade); } else { quiz_grade_item_update($quiz); } } } else { $sql = "SELECT a.*, cm.idnumber as cmidnumber, a.course as courseid\n FROM {$CFG->prefix}quiz a, {$CFG->prefix}course_modules cm, {$CFG->prefix}modules m\n WHERE m.name='quiz' AND m.id=cm.module AND cm.instance=a.id"; if ($rs = get_recordset_sql($sql)) { while ($quiz = rs_fetch_next_record($rs)) { if ($quiz->grade != 0) { quiz_update_grades($quiz, 0, false); } else { quiz_grade_item_update($quiz); } } rs_close($rs); } } }
/** * Update grades in central gradebook * * @category grade * @param object $quiz the quiz settings. * @param int $userid specific user only, 0 means all users. * @param bool $nullifnone If a single user is specified and $nullifnone is true a grade item with a null rawgrade will be inserted */ function quiz_update_grades($quiz, $userid = 0, $nullifnone = true) { global $CFG, $DB; require_once($CFG->libdir . '/gradelib.php'); if ($quiz->grade == 0) { quiz_grade_item_update($quiz); } else if ($grades = quiz_get_user_grades($quiz, $userid)) { quiz_grade_item_update($quiz, $grades); } else if ($userid && $nullifnone) { $grade = new stdClass(); $grade->userid = $userid; $grade->rawgrade = null; quiz_grade_item_update($quiz, $grade); } else { quiz_grade_item_update($quiz); } }
/** * Check that attempt results are as specified in $result. * * @param array $result row of data read from csv file. * @param quiz_attempt $attemptobj the attempt object loaded from db. * @throws coding_exception */ protected function check_attempt_results($result, $attemptobj) { foreach ($result as $fieldname => $value) { if ($value === '!NULL!') { $value = null; } switch ($fieldname) { case 'quizattempt': break; case 'attemptnumber': $this->assertEquals($value, $attemptobj->get_attempt_number()); break; case 'slots': foreach ($value as $slotno => $slottests) { foreach ($slottests as $slotfieldname => $slotvalue) { switch ($slotfieldname) { case 'mark': $this->assertEquals(round($slotvalue, 2), $attemptobj->get_question_mark($slotno), "Mark for slot {$slotno} of attempt {$result['quizattempt']}."); break; default: throw new coding_exception('Unknown slots sub field column in csv file ' . s($slotfieldname)); } } } break; case 'finished': $this->assertEquals((bool) $value, $attemptobj->is_finished()); break; case 'summarks': $this->assertEquals($value, $attemptobj->get_sum_marks(), "Sum of marks of attempt {$result['quizattempt']}."); break; case 'quizgrade': // Check quiz grades. $grades = quiz_get_user_grades($attemptobj->get_quiz(), $attemptobj->get_userid()); $grade = array_shift($grades); $this->assertEquals($value, $grade->rawgrade, "Quiz grade for attempt {$result['quizattempt']}."); break; case 'gradebookgrade': // Check grade book. $gradebookgrades = grade_get_grades($attemptobj->get_courseid(), 'mod', 'quiz', $attemptobj->get_quizid(), $attemptobj->get_userid()); $gradebookitem = array_shift($gradebookgrades->items); $gradebookgrade = array_shift($gradebookitem->grades); $this->assertEquals($value, $gradebookgrade->grade, "Gradebook grade for attempt {$result['quizattempt']}."); break; default: throw new coding_exception('Unknown column in csv file ' . s($fieldname)); } } }
/** * Create a quiz with a single question with variants and walk through quiz attempts. * * @dataProvider get_correct_response_for_variants */ public function test_quiz_with_question_with_variants_attempt_walkthrough($variantno, $correctresponse, $done = false) { global $SITE; $this->resetAfterTest($done); $this->setAdminUser(); if ($this->quizwithvariants === null) { // Make a quiz. $quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz'); $this->quizwithvariants = $quizgenerator->create_instance(array('course'=>$SITE->id, 'questionsperpage' => 0, 'grade' => 100.0, 'sumgrades' => 1)); $questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question'); $cat = $questiongenerator->create_question_category(); $calc = $questiongenerator->create_question('calculatedsimple', 'sumwithvariants', array('category' => $cat->id)); quiz_add_quiz_question($calc->id, $this->quizwithvariants, 0); } // Make a new user to do the quiz. $user1 = $this->getDataGenerator()->create_user(); $this->setUser($user1); $quizobj = quiz::create($this->quizwithvariants->id, $user1->id); // Start the attempt. $quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context()); $quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour); $timenow = time(); $attempt = quiz_create_attempt($quizobj, 1, false, $timenow); // Select variant. quiz_start_new_attempt($quizobj, $quba, $attempt, 1, $timenow, array(), array(1 => $variantno)); $this->assertEquals('1,0', $attempt->layout); quiz_attempt_save_started($quizobj, $quba, $attempt); // Process some responses from the student. $attemptobj = quiz_attempt::create($attempt->id); $tosubmit = array(1 => array('answer' => $correctresponse)); $attemptobj->process_submitted_actions($timenow, false, $tosubmit); // Finish the attempt. $attemptobj = quiz_attempt::create($attempt->id); $attemptobj->process_finish($timenow, false); // Re-load quiz attempt data. $attemptobj = quiz_attempt::create($attempt->id); // Check that results are stored as expected. $this->assertEquals(1, $attemptobj->get_attempt_number()); $this->assertEquals(1, $attemptobj->get_sum_marks()); $this->assertEquals(true, $attemptobj->is_finished()); $this->assertEquals($timenow, $attemptobj->get_submitted_date()); $this->assertEquals($user1->id, $attemptobj->get_userid()); // Check quiz grades. $grades = quiz_get_user_grades($this->quizwithvariants, $user1->id); $grade = array_shift($grades); $this->assertEquals(100.0, $grade->rawgrade); // Check grade book. $gradebookgrades = grade_get_grades($SITE->id, 'mod', 'quiz', $this->quizwithvariants->id, $user1->id); $gradebookitem = array_shift($gradebookgrades->items); $gradebookgrade = array_shift($gradebookitem->grades); $this->assertEquals(100, $gradebookgrade->grade); }
/** * Update grades in central gradebook * * @param object $quiz * @param int $userid specific user only, 0 means all */ function quiz_update_grades($quiz, $userid = 0, $nullifnone = true) { global $CFG, $DB; require_once $CFG->libdir . '/gradelib.php'; if ($quiz->grade == 0) { quiz_grade_item_update($quiz); } else { if ($grades = quiz_get_user_grades($quiz, $userid)) { quiz_grade_item_update($quiz, $grades); } else { if ($userid and $nullifnone) { $grade = new object(); $grade->userid = $userid; $grade->rawgrade = NULL; quiz_grade_item_update($quiz, $grade); } else { quiz_grade_item_update($quiz); } } } }