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<?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_once(dirname(dirname(dirname(__FILE__))) . '/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');
}
if (! $course = $DB->get_record('course', array('id'=>$cm->course))) {
print_error('coursemisconf');
}
chat_update_chat_times($cm->instance);
if (! $chat = $DB->get_record('chat', array('id'=>$cm->instance))) {
print_error('invalidid', 'chat');
}
} else {
chat_update_chat_times($c);
if (! $chat = $DB->get_record('chat', array('id'=>$c))) {
print_error('coursemisconf');
}
if (! $course = $DB->get_record('course', array('id'=>$chat->course))) {
print_error('coursemisconf');
}
if (! $cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
print_error('invalidcoursemodule');
}
}
require_course_login($course, true, $cm);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$PAGE->set_context($context);
// show some info for guests
if (isguestuser()) {
$PAGE->set_title(format_string($chat->name));
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 $OUTPUT->footer();
exit;
}
add_to_log($course->id, 'chat', 'view', "view.php?id=$cm->id", $chat->id, $cm->id);
$strenterchat = get_string('enterchat', 'chat');
$stridle = get_string('idle', 'chat');
$strcurrentusers = get_string('currentusers', 'chat');
$strnextsession = get_string('nextsession', 'chat');
$title = $course->shortname . ': ' . format_string($chat->name);
// Mark viewed by user (if required)
$completion = new completion_info($course);
$completion->set_module_viewed($cm);
// Initialize $PAGE
$PAGE->set_url('/mod/chat/view.php', array('id' => $cm->id));
$PAGE->set_title($title);
$PAGE->set_heading($course->fullname);
/// Print the page header
echo $OUTPUT->header();
/// Check to see if groups are being used here
$groupmode = groups_get_activity_groupmode($cm);
$currentgroup = groups_get_activity_group($cm, true);
groups_print_activity_menu($cm, $CFG->wwwroot . "/mod/chat/view.php?id=$cm->id");
// url parameters
$params = array();
if ($currentgroup) {
$groupselect = " AND groupid = '$currentgroup'";
$groupparam = "&amp;groupid=$currentgroup";
$params['groupid'] = $currentgroup;
} else {
$groupselect = "";
$groupparam = "";
}
echo $OUTPUT->heading(format_string($chat->name));
if ($chat->intro) {
echo $OUTPUT->box(format_module_intro('chat', $chat, $cm->id), 'generalbox', 'intro');
}
if (has_capability('mod/chat:chat', $context)) {
/// Print the main part of the page
echo $OUTPUT->box_start('generalbox', 'enterlink');
$now = time();
$span = $chat->chattime - $now;
if ($chat->chattime and $chat->schedule and ($span>0)) { // A chat is scheduled
echo '<p>';
echo get_string('sessionstart', 'chat', format_time($span));
echo '</p>';
}
if (empty($USER->screenreader)) {
$params['id'] = $chat->id;
$chattarget = new moodle_url("/mod/chat/gui_$CFG->chat_method/index.php", $params);
echo '<p>';
echo $OUTPUT->action_link($chattarget, $strenterchat, new popup_action('click', $chattarget, "chat$course->id$chat->id$groupparam", array('height' => 500, 'width' => 700)));
echo '</p>';
}
// if user is using screen reader, then there is no need to display this link again
// users with screenreader set, will only see 1 link, to the manual refresh page
// for better accessibility
// show frame/js-less alternative
$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 '<p>';
echo $OUTPUT->action_link($link, get_string('noframesjs', 'message'), $action, array('title'=>get_string('modulename', 'chat')));
echo '</p>';
if ($chat->studentlogs or has_capability('mod/chat:readlog', $context)) {
if ($msg = $DB->get_records_select('chat_messages', "chatid = ? $groupselect", array($chat->id))) {
echo '<p>';
echo html_writer::link(new moodle_url('/mod/chat/report.php', array('id'=>$cm->id)), get_string('viewreport', 'chat'));
echo '</p>';
}
}
echo $OUTPUT->box_end();
} else {
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, 4);
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();
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