Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * This page is the entry page into the quiz UI. Displays information about the

 * quiz to students and teachers, and lets students see their previous attempts.

 *

 * @package   mod_quiz

 * @category  grade

 * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

use mod_quiz\quiz_attempt;

use mod_quiz\quiz_settings;

require_once(__DIR__ . '/../../config.php');

require_once($CFG->dirroot . '/mod/quiz/locallib.php');

require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');

$id = required_param('id', PARAM_INT);

$userid = optional_param('userid', 0, PARAM_INT);

$quizobj = quiz_settings::create_for_cmid($id);

$quiz = $quizobj->get_quiz();

$cm = $quizobj->get_cm();

$course = $quizobj->get_course();

require_login($course, false, $cm);

$reportlist = quiz_report_list($quizobj->get_context());

if (empty($reportlist) || $userid == $USER->id) {

    // If the user cannot see reports, or can see reports but is looking

    // at their own grades, redirect them to the view.php page.

    // (The looking at their own grades case is unlikely, since users who

    // appear in the gradebook are unlikely to be able to see quiz reports,

    // but it is possible.)

    redirect(new moodle_url('/mod/quiz/view.php', ['id' => $cm->id]));

}

// Now we know the user is interested in reports. If they are interested in a

// specific other user, try to send them to the most appropriate attempt review page.

if ($userid) {

    // Work out which attempt is most significant from a grading point of view.

    $attempts = quiz_get_user_attempts($quiz->id, $userid, 'finished');

    $attempt = null;

    switch ($quiz->grademethod) {

        case QUIZ_ATTEMPTFIRST:

            $attempt = reset($attempts);

            break;

        case QUIZ_ATTEMPTLAST:

        case QUIZ_GRADEAVERAGE:

            $attempt = end($attempts);

            break;

        case QUIZ_GRADEHIGHEST:

            $maxmark = 0;

            foreach ($attempts as $at) {

                // Operator >=, since we want to most recent relevant attempt.

                if ((float) $at->sumgrades >= $maxmark) {

                    $maxmark = $at->sumgrades;

                    $attempt = $at;

                }

            }

            break;

    }

    // If the user can review the relevant attempt, redirect to it.

    if ($attempt) {

        $attemptobj = new quiz_attempt($attempt, $quiz, $cm, $course, false);

        if ($attemptobj->is_review_allowed()) {

            $attemptobj->load_questions();

            redirect($attemptobj->review_url());

        }

    }

    // Otherwise, fall thorugh to the generic case.

}

// Send the user to the first report they can see.

redirect(new moodle_url('/mod/quiz/report.php', [

        'id' => $cm->id, 'mode' => reset($reportlist)]));