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/>.

/**

 * The main group management user interface.

 *

 * @copyright 2006 The Open University, N.D.Freear AT open.ac.uk, J.White AT open.ac.uk

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

 * @package   core_group

 */

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

require_once('lib.php');

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

$groupid  = optional_param('group', false, PARAM_INT);

$userid   = optional_param('user', false, PARAM_INT);

$action = optional_param('action', false, PARAM_TEXT);

// Support either single group= parameter, or array groups[].

if ($groupid) {

    $groupids = array($groupid);

} else {

    $groupids = optional_param_array('groups', array(), PARAM_INT);

}

$singlegroup = (count($groupids) == 1);

$returnurl = $CFG->wwwroot.'/group/index.php?id='.$courseid;

// Get the course information so we can print the header and

// check the course id is valid.

$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);

$url = new moodle_url('/group/index.php', array('id' => $courseid));

navigation_node::override_active_url($url);

if ($userid) {

    $url->param('user', $userid);

}

if ($groupid) {

    $url->param('group', $groupid);

}

$PAGE->set_url($url);

// Make sure that the user has permissions to manage groups.

require_login($course);

$context = context_course::instance($course->id);

require_capability('moodle/course:managegroups', $context);

$PAGE->requires->js('/group/clientlib.js', true);

$PAGE->requires->js('/group/module.js', true);

// Check for multiple/no group errors.

if (!$singlegroup) {

    switch($action) {

        case 'ajax_getmembersingroup':

        case 'showgroupsettingsform':

        case 'showaddmembersform':

        case 'updatemembers':

            throw new \moodle_exception('errorselectone', 'group', $returnurl);

    }

}

switch ($action) {

    case false: // OK, display form.

        break;

    case 'ajax_getmembersingroup':

        $roles = array();

        $userfieldsapi = \core_user\fields::for_identity($context)->with_userpic();

        [

            'selects' => $userfieldsselects,

            'joins' => $userfieldsjoin,

            'params' => $userfieldsparams

        ] = (array)$userfieldsapi->get_sql('u', true, '', '', false);

        $extrafields = $userfieldsapi->get_required_fields([\core_user\fields::PURPOSE_IDENTITY]);

        if ($groupmemberroles = groups_get_members_by_role($groupids[0], $courseid,

                'u.id, ' . $userfieldsselects, null, '', $userfieldsparams, $userfieldsjoin)) {

            $viewfullnames = has_capability('moodle/site:viewfullnames', $context);

            foreach ($groupmemberroles as $roleid => $roledata) {

                $shortroledata = new stdClass();

                $shortroledata->name = html_entity_decode($roledata->name, ENT_QUOTES, 'UTF-8');

                $shortroledata->users = array();

                foreach ($roledata->users as $member) {

                    $shortmember = new stdClass();

                    $shortmember->id = $member->id;

                    $shortmember->name = fullname($member, $viewfullnames);

                    if ($extrafields) {

                        $extrafieldsdisplay = [];

                        foreach ($extrafields as $field) {

                            // No escaping here, handled client side in response to AJAX request.

                            $extrafieldsdisplay[] = $member->{$field};

                        }

                        $shortmember->name .= ' (' . implode(', ', $extrafieldsdisplay) . ')';

                    }

                    $shortroledata->users[] = $shortmember;

                }

                $roles[] = $shortroledata;

            }

        }

        echo json_encode($roles);

        die;  // Client side JavaScript takes it from here.

    case 'deletegroup':

        if (count($groupids) == 0) {

            throw new \moodle_exception('errorselectsome', 'group', $returnurl);

        }

        $groupidlist = implode(',', $groupids);

        redirect(new moodle_url('/group/delete.php', array('courseid' => $courseid, 'groups' => $groupidlist)));

        break;

    case 'showcreateorphangroupform':

        redirect(new moodle_url('/group/group.php', array('courseid' => $courseid)));

        break;

    case 'showautocreategroupsform':

        redirect(new moodle_url('/group/autogroup.php', array('courseid' => $courseid)));

        break;

    case 'showimportgroups':

        redirect(new moodle_url('/group/import.php', array('id' => $courseid)));

        break;

    case 'showgroupsettingsform':

        redirect(new moodle_url('/group/group.php', array('courseid' => $courseid, 'id' => $groupids[0])));

        break;

    case 'updategroups': // Currently reloading.

        break;

    case 'removemembers':

        break;

    case 'showaddmembersform':

        redirect(new moodle_url('/group/members.php', array('group' => $groupids[0])));

        break;

    case 'updatemembers': // Currently reloading.

        break;

    case 'enablemessaging':

        set_groups_messaging($groupids, true);

        redirect($returnurl, get_string('messagingenabled', 'group', count($groupids)), null,

            \core\output\notification::NOTIFY_SUCCESS);

        break;

    case 'disablemessaging':

        set_groups_messaging($groupids, false);

        redirect($returnurl, get_string('messagingdisabled', 'group', count($groupids)), null,

            \core\output\notification::NOTIFY_SUCCESS);

        break;

    default: // ERROR.

        throw new \moodle_exception('unknowaction', '', $returnurl);

        break;

}

// Print the page and form.

$strgroups = get_string('groups');

$strparticipants = get_string('participants');

// Print header.

$PAGE->set_title($strgroups);

$PAGE->set_heading($course->fullname);

$PAGE->set_pagelayout('standard');

echo $OUTPUT->header();

echo $OUTPUT->render_participants_tertiary_nav($course);

$groups = groups_get_all_groups($courseid);

$selectedname = null;

$preventgroupremoval = array();

// Get list of groups to render.

$groupoptions = array();

if ($groups) {

    foreach ($groups as $group) {

        $selected = false;

        $usercount = $DB->count_records('groups_members', array('groupid' => $group->id));

        $groupname = format_string($group->name, true, ['context' => $context, 'escape' => false]) . ' (' . $usercount . ')';

        if (in_array($group->id, $groupids)) {

            $selected = true;

            if ($singlegroup) {

                // Only keep selected name if there is one group selected.

                $selectedname = $groupname;

            }

        }

        if (!empty($group->idnumber) && !has_capability('moodle/course:changeidnumber', $context)) {

            $preventgroupremoval[$group->id] = true;

        }

        $groupoptions[] = (object) [

            'value' => $group->id,

            'selected' => $selected,

            'text' => s($groupname)

        ];

    }

}

// Get list of group members to render if there is a single selected group.

$members = array();

if ($singlegroup) {

    $userfieldsapi = \core_user\fields::for_identity($context)->with_userpic();

    [

        'selects' => $userfieldsselects,

        'joins' => $userfieldsjoin,

        'params' => $userfieldsparams

    ] = (array)$userfieldsapi->get_sql('u', true, '', '', false);

    $extrafields = $userfieldsapi->get_required_fields([\core_user\fields::PURPOSE_IDENTITY]);

    if ($groupmemberroles = groups_get_members_by_role(reset($groupids), $courseid,

            'u.id, ' . $userfieldsselects, null, '', $userfieldsparams, $userfieldsjoin)) {

        $viewfullnames = has_capability('moodle/site:viewfullnames', $context);

        foreach ($groupmemberroles as $roleid => $roledata) {

            $users = array();

            foreach ($roledata->users as $member) {

                $shortmember = new stdClass();

                $shortmember->value = $member->id;

                $shortmember->text = fullname($member, $viewfullnames);

                if ($extrafields) {

                    $extrafieldsdisplay = [];

                    foreach ($extrafields as $field) {

                        $extrafieldsdisplay[] = s($member->{$field});

                    }

                    $shortmember->text .= ' (' . implode(', ', $extrafieldsdisplay) . ')';

                }

                $users[] = $shortmember;

            }

            $members[] = (object)[

                'role' => html_entity_decode($roledata->name, ENT_QUOTES, 'UTF-8'),

                'rolemembers' => $users

            ];

        }

    }

}

$disableaddedit = !$singlegroup;

$disabledelete = !empty($groupids);

$caneditmessaging = \core_message\api::can_create_group_conversation($USER->id, $context);

$renderable = new \core_group\output\index_page($courseid, $groupoptions, $selectedname, $members, $disableaddedit, $disabledelete,

        $preventgroupremoval, $caneditmessaging);

$output = $PAGE->get_renderer('core_group');

echo $output->render($renderable);

echo $OUTPUT->footer();