PHP quiz_update_sumgrades函数代码示例

 /**
  * Put the specified questions on the specified pages of a given quiz.
  *
  * Give the question name in the first column, and that page number in the
  * second column. You may optionally give the desired maximum mark for each
  * question in a third column.
  *
  * @param string $quizname the name of the quiz to add questions to.
  * @param TableNode $data information about the questions to add.
  *
  * @Given /^quiz "([^"]*)" contains the following questions:$/
  */
 public function quiz_contains_the_following_questions($quizname, TableNode $data)
 {
     global $DB;
     $quiz = $DB->get_record('quiz', array('name' => $quizname), '*', MUST_EXIST);
     // The action depends on the field type.
     foreach ($data->getRows() as $questiondata) {
         if (count($questiondata) < 2 || count($questiondata) > 3) {
             throw new ExpectationException('When adding questions to a quiz, you should give 2 or three 3 things: ' . ' the question name, the page number, and optionally a the maxiumum mark. ' . count($questiondata) . ' values passed.', $this->getSession());
         }
         list($questionname, $rawpage) = $questiondata;
         if (!isset($questiondata[2]) || $questiondata[2] === '') {
             $maxmark = null;
         } else {
             $maxmark = clean_param($questiondata[2], PARAM_FLOAT);
             if (!is_numeric($questiondata[2]) || $maxmark < 0) {
                 throw new ExpectationException('When adding questions to a quiz, the max mark must be a positive number.', $this->getSession());
             }
         }
         $page = clean_param($rawpage, PARAM_INT);
         if ($page <= 0 || (string) $page !== $rawpage) {
             throw new ExpectationException('When adding questions to a quiz, the page number must be a positive integer.', $this->getSession());
         }
         $questionid = $DB->get_field('question', 'id', array('name' => $questionname), MUST_EXIST);
         quiz_add_quiz_question($questionid, $quiz, $page, $maxmark);
     }
     quiz_update_sumgrades($quiz);
 }

        array_splice($questions, $moveselectedpos, 0, $selectedquestionids);
        $quiz->questions = implode(',', $questions);
        // Update the database.
        $DB->set_field('quiz', 'questions', $quiz->questions, array('id' => $quiz->id));
        $deletepreviews = true;
    }
    // If rescaling is required save the new maximum.
    $maxgrade = unformat_float(optional_param('maxgrade', -1, PARAM_RAW));
    if ($maxgrade >= 0) {
        quiz_set_grade($maxgrade, $quiz);
    }
    if ($deletepreviews) {
        quiz_delete_previews($quiz);
    }
    if ($recomputesummarks) {
        quiz_update_sumgrades($quiz);
        quiz_update_all_attempt_sumgrades($quiz);
        quiz_update_all_final_grades($quiz);
        quiz_update_grades($quiz, 0, true);
    }
    redirect($afteractionurl);
}
$questionbank->process_actions($thispageurl, $cm);
// End of process commands =====================================================
$PAGE->requires->yui2_lib('container');
$PAGE->requires->yui2_lib('dragdrop');
$PAGE->requires->skip_link_to('questionbank', get_string('skipto', 'access', get_string('questionbank', 'question')));
$PAGE->requires->skip_link_to('quizcontentsblock', get_string('skipto', 'access', get_string('questionsinthisquiz', 'quiz')));
$PAGE->set_title(get_string('editingquizx', 'quiz', format_string($quiz->name)));
$PAGE->set_heading($course->fullname);
$node = $PAGE->settingsnav->find('mod_quiz_edit', navigation_node::TYPE_SETTING);

/**
 * Update the database after $quiz->questions has been changed. For example,
 * this deletes preview attempts and updates $quiz->sumgrades.
 * @param $quiz the quiz object.
 */
function quiz_save_new_layout($quiz) {
    global $DB;
    $DB->set_field('quiz', 'questions', $quiz->questions, array('id' => $quiz->id));
    quiz_delete_previews($quiz);
    quiz_update_sumgrades($quiz);
}

 /**
  * Put the specified questions on the specified pages of a given quiz.
  *
  * The first row should be column names:
  * | question | page | maxmark |
  * The first two of those are required. The others are optional.
  *
  * question        needs to uniquely match a question name.
  * page            is a page number. Must start at 1, and on each following
  *                 row should be the same as the previous, or one more.
  * maxmark         What the question is marked out of. Defaults to question.defaultmark.
  *
  * Then there should be a number of rows of data, one for each question you want to add.
  *
  * For backwards-compatibility reasons, specifying the column names is optional
  * (but strongly encouraged). If not specified, the columns are asseumed to be
  * | question | page | maxmark |.
  *
  * @param string $quizname the name of the quiz to add questions to.
  * @param TableNode $data information about the questions to add.
  *
  * @Given /^quiz "([^"]*)" contains the following questions:$/
  */
 public function quiz_contains_the_following_questions($quizname, TableNode $data)
 {
     global $CFG, $DB;
     require_once __DIR__ . '/../../editlib.php';
     $quiz = $DB->get_record('quiz', array('name' => $quizname), '*', MUST_EXIST);
     // Deal with backwards-compatibility, optional first row.
     $firstrow = $data->getRow(0);
     if (!in_array('question', $firstrow) && !in_array('page', $firstrow)) {
         if (count($firstrow) == 2) {
             $headings = array('question', 'page');
         } else {
             if (count($firstrow) == 3) {
                 $headings = array('question', 'page', 'maxmark');
             } else {
                 throw new ExpectationException('When adding questions to a quiz, you should give 2 or three 3 things: ' . ' the question name, the page number, and optionally the maxiumum mark. ' . count($firstrow) . ' values passed.', $this->getSession());
             }
         }
         $rows = $data->getRows();
         array_unshift($rows, $headings);
         $data->setRows($rows);
     }
     // Add the questions.
     $lastpage = 0;
     foreach ($data->getHash() as $questiondata) {
         if (!array_key_exists('question', $questiondata)) {
             throw new ExpectationException('When adding questions to a quiz, ' . 'the question name column is required.', $this->getSession());
         }
         if (!array_key_exists('page', $questiondata)) {
             throw new ExpectationException('When adding questions to a quiz, ' . 'the page number column is required.', $this->getSession());
         }
         // Question id.
         $questionid = $DB->get_field('question', 'id', array('name' => $questiondata['question']), MUST_EXIST);
         // Page number.
         $page = clean_param($questiondata['page'], PARAM_INT);
         if ($page <= 0 || (string) $page !== $questiondata['page']) {
             throw new ExpectationException('The page number for question "' . $questiondata['question'] . '" must be a positive integer.', $this->getSession());
         }
         if ($page < $lastpage || $page > $lastpage + 1) {
             throw new ExpectationException('When adding questions to a quiz, ' . 'the page number for each question must either be the same, ' . 'or one more, then the page number for the previous question.', $this->getSession());
         }
         $lastpage = $page;
         // Max mark.
         if (!array_key_exists('maxmark', $questiondata) || $questiondata['maxmark'] === '') {
             $maxmark = null;
         } else {
             $maxmark = clean_param($questiondata['maxmark'], PARAM_FLOAT);
             if (!is_numeric($questiondata['maxmark']) || $maxmark < 0) {
                 throw new ExpectationException('The max mark for question "' . $questiondata['question'] . '" must be a positive number.', $this->getSession());
             }
         }
         // Add the question.
         quiz_add_quiz_question($questionid, $quiz, $page, $maxmark);
     }
     quiz_update_sumgrades($quiz);
 }

 /**
  * This adds a particular question to the supplied quiz. Based on /mod/quiz/edit.php
  *
  * @param int $questionid
  * @param stdClass $quiz
  * @return void
  */
 public function add_question_to_quiz($questionid, $quiz)
 {
     quiz_require_question_use($questionid);
     quiz_add_quiz_question($questionid, $quiz, 0);
     quiz_delete_previews($quiz);
     quiz_update_sumgrades($quiz);
 }

//.........这里部分代码省略.........
    if (respondusws_floatcompare($CFG->version, 2013111800, 2) >= 0) {
        $r_ctx = context::instance_by_id($r_qca->contextid);
    } else {
        $r_ctx = get_context_instance_by_id($r_qca->contextid);
    }
    $r_qcci = RWSGCFCat($r_ctx);
    if ($r_qcci != $r_cid) {
        if (is_siteadmin($RWSUID)) {
            if ($r_qcci != SITEID) {
                RWSSErr("2109");
            }
        } else {
            RWSSErr("2084");
        }
    }
    $r_pm = RWSGSOpt("qcount", PARAM_ALPHANUM);
    if ($r_pm === false || strlen($r_pm) == 0) {
        RWSSErr("2085");
    }
    $r_qct = intval($r_pm);
    if ($r_qct <= 0) {
        RWSSErr("2085");
    }
    $r_pm = RWSGSOpt("qgrade", PARAM_NOTAGS);
    if ($r_pm === false || strlen($r_pm) == 0) {
        RWSSErr("2086");
    }
    $r_qg = round(floatval($r_pm));
    if ($r_qg <= 0) {
        RWSSErr("2086");
    }
    $r_mr = $DB->get_record("modules", array("id" => $r_cmod->module));
    if ($r_mr === false) {
        RWSSErr("2043");
    }
    $r_qiz = $DB->get_record($r_mr->name, array("id" => $r_cmod->instance));
    if ($r_qiz === false) {
        RWSSErr("2044");
    }
    if (!isset($r_qiz->instance)) {
        $r_qiz->instance = $r_qiz->id;
    }
    $r_aerr = 0;
    for ($r_i = 0; $r_i < $r_qct; $r_i++) {
        $r_qst = new stdClass();
        $r_qst->qtype = RWSRND;
        $r_qst->parent = 0;
        $r_qst->hidden = 0;
        $r_qst->length = 1;
        $r_qst->questiontext = 1;
        if (respondusws_floatcompare($CFG->version, 2011070100, 2) >= 0) {
            $r_rqt = question_bank::get_qtype("random");
            $r_qst->name = $r_rqt->question_name($r_qca, !empty($r_qst->questiontext));
        } else {
            $r_qst->name = random_qtype::question_name($r_qca, !empty($r_qst->questiontext));
        }
        $r_qst->questiontextformat = FORMAT_HTML;
        $r_qst->penalty = 0;
        if (respondusws_floatcompare($CFG->version, 2011070100, 2) >= 0) {
            $r_qst->defaultmark = $r_qg;
        } else {
            $r_qst->defaultgrade = $r_qg;
        }
        $r_qst->generalfeedback = "";
        $r_qst->generalfeedbackformat = FORMAT_HTML;
        $r_qst->category = $r_qca->id;
        $r_qst->stamp = make_unique_id_code();
        $r_qst->createdby = $RWSUID;
        $r_qst->modifiedby = $RWSUID;
        $r_qst->timecreated = time();
        $r_qst->timemodified = time();
        $r_qst->id = $DB->insert_record("question", $r_qst);
        $DB->set_field("question", "parent", $r_qst->id, array("id" => $r_qst->id));
        $r_h = question_hash($r_qst);
        $DB->set_field("question", "version", $r_h, array("id" => $r_qst->id));
        if (respondusws_floatcompare($CFG->version, 2011070100, 2) >= 0) {
            quiz_add_quiz_question($r_qst->id, $r_qiz);
        } else {
            $r_ok = quiz_add_quiz_question($r_qst->id, $r_qiz);
            if (!$r_ok) {
                $DB->delete_records("question", array("id" => $r_qst->id));
                $r_aerr++;
            }
        }
    }
    if ($r_aerr > 0) {
        RWSSErr("2087,{$r_aerr}");
    }
    if ($r_aerr < $r_qct) {
        quiz_delete_previews($r_qiz);
    }
    if (respondusws_floatcompare($CFG->version, 2014051200, 2) >= 0) {
        quiz_update_sumgrades($r_qiz);
    } else {
        $r_qiz->grades = quiz_get_all_question_grades($r_qiz);
        $r_sumg = array_sum($r_qiz->grades);
        $DB->set_field("quiz", "sumgrades", $r_sumg, array("id" => $r_qiz->id));
    }
    RWSSStat("1006");
}