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 file contains the moodle hooks for the submission comments plugin

 *

 * @package   assignsubmission_comments

 * @copyright 2012 NetSpot {@link http://www.netspot.com.au}

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

 */

defined('MOODLE_INTERNAL') || die();

/**

 *

 * Callback method for data validation---- required method for AJAXmoodle based comment API

 *

 * @param stdClass $options

 * @return bool

 */

function assignsubmission_comments_comment_validate(stdClass $options) {

    global $USER, $CFG, $DB;

    if ($options->commentarea != 'submission_comments' &&

            $options->commentarea != 'submission_comments_upgrade') {

        throw new comment_exception('invalidcommentarea');

    }

    if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {

        throw new comment_exception('invalidcommentitemid');

    }

    $context = $options->context;

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

    static $assignment = null;

    if (is_null($assignment) || $assignment->get_context() != $context) {

        $assignment = new assign($context, null, null);

    }

    if ($assignment->get_instance()->id != $submission->assignment) {

        throw new comment_exception('invalidcontext');

    }

    return true;

}

/**

 * Permission control method for submission plugin ---- required method for AJAXmoodle based comment API

 *

 * @param stdClass $options

 * @return array

 */

function assignsubmission_comments_comment_permissions(stdClass $options) {

    global $USER, $CFG, $DB;

    if ($options->commentarea != 'submission_comments' &&

            $options->commentarea != 'submission_comments_upgrade') {

        throw new comment_exception('invalidcommentarea');

    }

    if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {

        throw new comment_exception('invalidcommentitemid');

    }

    $context = $options->context;

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

    static $assignment = null;

    if (is_null($assignment) || $assignment->get_context() != $context) {

        $assignment = new assign($context, null, null);

    }

    if ($assignment->get_instance()->id != $submission->assignment) {

        throw new comment_exception('invalidcontext');

    }

    if ($assignment->get_instance()->teamsubmission &&

        !$assignment->can_view_group_submission($submission->groupid)) {

        return array('post' => false, 'view' => false);

    }

    if (!$assignment->get_instance()->teamsubmission &&

        !$assignment->can_view_submission($submission->userid)) {

        return array('post' => false, 'view' => false);

    }

    return array('post' => true, 'view' => true);

}

/**

 * Callback called by comment::get_comments() and comment::add(). Gives an opportunity to enforce blind-marking.

 *

 * @param array $comments

 * @param stdClass $options

 * @return array

 * @throws comment_exception

 */

function assignsubmission_comments_comment_display($comments, $options) {

    global $CFG, $DB, $USER;

    if ($options->commentarea != 'submission_comments' &&

        $options->commentarea != 'submission_comments_upgrade') {

        throw new comment_exception('invalidcommentarea');

    }

    if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {

        throw new comment_exception('invalidcommentitemid');

    }

    $context = $options->context;

    $cm = $options->cm;

    $course = $options->courseid;

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

    $assignment = new assign($context, $cm, $course);

    if ($assignment->get_instance()->id != $submission->assignment) {

        throw new comment_exception('invalidcontext');

    }

    if ($assignment->is_blind_marking() && !empty($comments)) {

        // Blind marking is being used, may need to map unique anonymous ids to the comments.

        $usermappings = array();

        $guestuser = guest_user();

        // Check group users first.

        $userinteam = false;

        if ($assignment->get_instance()->teamsubmission && has_capability('mod/assign:submit', $context)) {

            $assignment->set_course(get_course($course));

            $userinteam = $assignment->can_edit_group_submission($submission->groupid);

        }

        foreach ($comments as $comment) {

            if (has_capability('mod/assign:viewblinddetails', $context) && $USER->id != $comment->userid) {

                $anonid = $assignment->get_uniqueid_for_user($comment->userid);

                // Show participant information and the user's full name to users with the view blind details capability.

                $a = new stdClass();

                $a->participantnumber = $anonid;

                $a->participantfullname = $comment->fullname;

                $comment->fullname = get_string('blindmarkingviewfullname', 'assignsubmission_comments', $a);

            } else if ($USER->id == $comment->userid || $submission->userid == $USER->id || $userinteam) { // phpcs:ignore

                // Do not anonymize the user details for this comment.

            } else {

                // Anonymize the comments.

                if (empty($usermappings[$comment->userid])) {

                    $anonid = $assignment->get_uniqueid_for_user($comment->userid);

                    // The blind-marking information for this commenter has not been generated; do so now.

                    $commenter = new stdClass();

                    $commenter->firstname = get_string('blindmarkingname', 'assignsubmission_comments', $anonid);

                    $commenter->lastname = '';

                    $commenter->firstnamephonetic = '';

                    $commenter->lastnamephonetic = '';

                    $commenter->middlename = '';

                    $commenter->alternatename = '';

                    $commenter->picture = 0;

                    $commenter->id = $guestuser->id;

                    $commenter->email = $guestuser->email;

                    $commenter->imagealt = $guestuser->imagealt;

                    // Temporarily store blind-marking information for use in later comments if necessary.

                    $usermappings[$comment->userid] = new stdClass();

                    $usermappings[$comment->userid]->fullname = fullname($commenter);

                    $usermappings[$comment->userid]->avatar = $assignment->get_renderer()->user_picture($commenter,

                            array('size' => 18, 'link' => false));

                }

                // Set blind-marking information for this comment.

                $comment->fullname = $usermappings[$comment->userid]->fullname;

                $comment->avatar = $usermappings[$comment->userid]->avatar;

                $comment->profileurl = null;

            }

        }

    }

    return $comments;

}

/**

 * Callback to force the userid for all comments to be the userid of the submission and NOT the global $USER->id. This

 * is required by the upgrade code. Note the comment area is used to identify upgrades.

 *

 * @param stdClass $comment

 * @param stdClass $param

 */

function assignsubmission_comments_comment_add(stdClass $comment, stdClass $param) {

    global $DB;

    if ($comment->commentarea == 'submission_comments_upgrade') {

        $submissionid = $comment->itemid;

        $submission = $DB->get_record('assign_submission', array('id' => $submissionid));

        $comment->userid = $submission->userid;

        $comment->commentarea = 'submission_comments';

    }

}