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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
/mod/chat/ -> view.php (source)
<?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 prints a particular instance of chat.

require(__DIR__.'/../../config.php');
require_once($CFG->dirroot . '/mod/chat/lib.php');
require_once($CFG->libdir . '/completionlib.php');

$id   = optional_param('id', 0, PARAM_INT);
$c    = optional_param('c', 0, PARAM_INT);
$edit = optional_param('edit', -1, PARAM_BOOL);

if ($id) {
    if (! $cm = get_coursemodule_from_id('chat', $id)) {
< print_error('invalidcoursemodule');
> throw new \moodle_exception('invalidcoursemodule');
} if (! $course = $DB->get_record('course', array('id' => $cm->course))) {
< print_error('coursemisconf');
> throw new \moodle_exception('coursemisconf');
} chat_update_chat_times($cm->instance); if (! $chat = $DB->get_record('chat', array('id' => $cm->instance))) {
< print_error('invalidid', 'chat');
> throw new \moodle_exception('invalidid', 'chat');
} } else { chat_update_chat_times($c); if (! $chat = $DB->get_record('chat', array('id' => $c))) {
< print_error('coursemisconf');
> throw new \moodle_exception('coursemisconf');
} if (! $course = $DB->get_record('course', array('id' => $chat->course))) {
< print_error('coursemisconf');
> throw new \moodle_exception('coursemisconf');
} if (! $cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
< print_error('invalidcoursemodule');
> throw new \moodle_exception('invalidcoursemodule');
} } require_course_login($course, true, $cm); $context = context_module::instance($cm->id); $PAGE->set_context($context); // Initialize $PAGE. $courseshortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id))); $title = $courseshortname . ': ' . format_string($chat->name); $PAGE->set_url('/mod/chat/view.php', ['id' => $cm->id]); $PAGE->set_title($title); $PAGE->set_heading($course->fullname); $PAGE->add_body_class('limitedwidth'); // Show some info for guests. if (isguestuser()) { echo $OUTPUT->header(); echo $OUTPUT->confirm('<p>'.get_string('noguests', 'chat').'</p>'.get_string('liketologin'), get_login_url(), $CFG->wwwroot.'/course/view.php?id='.$course->id); echo $OUTPUT->footer(); exit; } // Completion and trigger events. chat_view($chat, $course, $cm, $context); $strenterchat = get_string('enterchat', 'chat'); $stridle = get_string('idle', 'chat'); $strcurrentusers = get_string('currentusers', 'chat'); // Check to see if groups are being used here. $groupmode = groups_get_activity_groupmode($cm); $currentgroup = groups_get_activity_group($cm, true); // URL parameters. $params = array(); if ($currentgroup) { $groupselect = " AND groupid = '$currentgroup'"; $groupparam = "_group{$currentgroup}"; $params['groupid'] = $currentgroup; } else { $groupselect = ""; $groupparam = ""; } // Print the page header. echo $OUTPUT->header(); if (has_capability('mod/chat:chat', $context)) { $now = time(); $chattime = $chat->chattime ?? 0; $span = $chattime - $now; if (!empty($chat->schedule) && $span > 0) { $attributes = ['class' => 'border bg-light rounded p-2']; echo html_writer::tag('p', get_string('sessionstartsin', 'chat', format_time($span)), $attributes); } $params['id'] = $chat->id; $chattarget = new moodle_url("/mod/chat/gui_$CFG->chat_method/index.php", $params); echo html_writer::start_div('container-fluid tertiary-navigation'); echo html_writer::start_div('row'); echo html_writer::start_div('navitem'); echo $OUTPUT->action_link($chattarget, $strenterchat, new popup_action('click', $chattarget, "chat{$course->id}_{$chat->id}{$groupparam}", array('height' => 500, 'width' => 700)), ['class' => 'btn btn-primary']); echo html_writer::end_div(); echo html_writer::start_div('navitem'); $params['id'] = $chat->id; $link = new moodle_url('/mod/chat/gui_basic/index.php', $params); $action = new popup_action('click', $link, "chat{$course->id}_{$chat->id}{$groupparam}", array('height' => 500, 'width' => 700)); echo $OUTPUT->action_link($link, get_string('noframesjs', 'message'), $action, array('title' => get_string('modulename', 'chat'), 'class' => 'btn btn-secondary')); echo html_writer::end_div(); echo html_writer::end_div(); echo html_writer::end_div(); // Print the main part of the page. echo $OUTPUT->box_start('generalbox', 'enterlink'); if (($chat->studentlogs or has_capability('mod/chat:readlog', $context)) && !$PAGE->has_secondary_navigation()) { if ($msg = chat_get_session_messages($chat->id, $currentgroup)) { echo '<p>'; echo html_writer::link(new moodle_url('/mod/chat/report.php', array('id' => $cm->id)), get_string('viewreport', 'chat')); echo '</p>'; } } groups_print_activity_menu($cm, $CFG->wwwroot . "/mod/chat/view.php?id=$cm->id"); echo $OUTPUT->box_end(); } else { groups_print_activity_menu($cm, $CFG->wwwroot . "/mod/chat/view.php?id=$cm->id"); echo $OUTPUT->box_start('generalbox', 'notallowenter'); echo '<p>'.get_string('notallowenter', 'chat').'</p>'; echo $OUTPUT->box_end(); } chat_delete_old_users(); if ($chatusers = chat_get_users($chat->id, $currentgroup, $cm->groupingid)) { $timenow = time(); echo $OUTPUT->box_start('generalbox', 'chatcurrentusers'); echo $OUTPUT->heading($strcurrentusers, 3); echo '<table>'; foreach ($chatusers as $chatuser) { $lastping = $timenow - $chatuser->lastmessageping; echo '<tr><td class="chatuserimage">'; $url = new moodle_url('/user/view.php', array('id' => $chatuser->id, 'course' => $chat->course)); echo html_writer::link($url, $OUTPUT->user_picture($chatuser)); echo '</td><td class="chatuserdetails">'; echo '<p>'.fullname($chatuser).'</p>'; echo '<span class="idletime">'.$stridle.': '.format_time($lastping).'</span>'; echo '</td></tr>'; } echo '</table>'; echo $OUTPUT->box_end(); } echo $OUTPUT->footer();