mirror of
https://github.com/moodle/moodle.git
synced 2025-02-11 03:03:43 +01:00
132 lines
4.3 KiB
PHP
132 lines
4.3 KiB
PHP
<?php
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define('NO_MOODLE_COOKIES', true); // session not used here
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require_once('../../../config.php');
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require_once($CFG->dirroot.'/mod/chat/lib.php');
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$chat_sid = required_param('chat_sid', PARAM_ALPHANUM);
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$beep = optional_param('beep', 0, PARAM_INT); // beep target
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$PAGE->set_url('/mod/chat/gui_header_js/users.php', array('chat_sid'=>$chat_sid));
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if (!$chatuser = $DB->get_record('chat_users', array('sid'=>$chat_sid))) {
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print_error('notlogged', 'chat');
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}
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//Get the minimal course
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if (!$course = $DB->get_record('course', array('id'=>$chatuser->course))) {
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print_error('invalidcourseid');
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}
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//Get the user theme and enough info to be used in chat_format_message() which passes it along to
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if (!$USER = $DB->get_record('user', array('id'=>$chatuser->userid))) { // no optimisation here, it would break again in future!
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print_error('invaliduser');
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}
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$PAGE->set_pagelayout('embedded');
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$USER->description = '';
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//Setup course, lang and theme
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$PAGE->set_course($course);
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$courseid = $chatuser->course;
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if (!$cm = get_coursemodule_from_instance('chat', $chatuser->chatid, $courseid)) {
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print_error('invalidcoursemodule');
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}
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if ($beep) {
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$message->chatid = $chatuser->chatid;
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$message->userid = $chatuser->userid;
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$message->groupid = $chatuser->groupid;
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$message->message = "beep $beep";
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$message->system = 0;
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$message->timestamp = time();
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$DB->insert_record('chat_messages', $message);
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$DB->insert_record('chat_messages_current', $message);
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$chatuser->lastmessageping = time(); // A beep is a ping ;-)
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}
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$chatuser->lastping = time();
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$DB->set_field('chat_users', 'lastping', $chatuser->lastping, array('id'=>$chatuser->id));
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$refreshurl = "users.php?chat_sid=$chat_sid";
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/// Get list of users
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if (!$chatusers = chat_get_users($chatuser->chatid, $chatuser->groupid, $cm->groupingid)) {
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print_error('errornousers', 'chat');
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}
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$uidles = Array();
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foreach ($chatusers as $chatuser) {
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$uidles[] = $chatuser->id;
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}
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$module = array(
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'name' => 'mod_chat_header',
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'fullpath' => '/mod/chat/gui_header_js/module.js',
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'requires' => array('node')
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);
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$PAGE->requires->js_init_call('M.mod_chat_header.init_users', array($uidles), false, $module);
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/// Print user panel body
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$timenow = time();
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$stridle = get_string('idle', 'chat');
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$strbeep = get_string('beep', 'chat');
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$table = new html_table();
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$table->width = '100%';
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$table->data = array();
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foreach ($chatusers as $chatuser) {
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$lastping = $timenow - $chatuser->lastmessageping;
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$min = (int) ($lastping/60);
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$sec = $lastping - ($min*60);
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$min = $min < 10 ? '0'.$min : $min;
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$sec = $sec < 10 ? '0'.$sec : $sec;
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$idle = $min.':'.$sec;
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$row = array();
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$row[0] = $OUTPUT->user_picture($chatuser, array('courseid'=>$courseid, 'popup'=>true));
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$row[1] = html_writer::start_tag('p');
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$row[1] .= html_writer::start_tag('font', array('size'=>'1'));
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$row[1] .= fullname($chatuser).'<br />';
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$row[1] .= html_writer::tag('span', $stridle . html_writer::tag('span', $idle, array('name'=>'uidles', 'id'=>'uidle'.$chatuser->id)), array('class'=>'dimmed_text')).' ';
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$row[1] .= html_writer::tag('a', $strbeep, array('href'=>new moodle_url('/mod/chat/gui_header_js/users.php', array('chat_sid'=>$chat_sid, 'beep'=>$chatuser->id))));
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$row[1] .= html_writer::end_tag('font');
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$row[1] .= html_writer::end_tag('p');
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$table->data[] = $row;
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}
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ob_start();
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echo $OUTPUT->header();
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echo html_writer::tag('div', html_writer::tag('a', 'Refresh link', array('href'=>$refreshurl, 'id'=>'refreshLink')), array('style'=>'display:none')); //TODO: localize
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echo html_writer::table($table);
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echo $OUTPUT->footer();
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//
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// Support HTTP Keep-Alive by printing Content-Length
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//
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// If the user pane is refreshing often, using keepalives
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// is lighter on the server and faster for most clients.
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//
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// Apache is normally configured to have a 15s timeout on
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// keepalives, so let's observe that. Unfortunately, we cannot
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// autodetect the keepalive timeout.
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//
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// Using keepalives when the refresh is longer than the timeout
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// wastes server resources keeping an apache child around on a
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// connection that will timeout. So we don't.
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if ($CFG->chat_refresh_userlist < 15) {
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header("Content-Length: " . ob_get_length() );
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ob_end_flush();
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}
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exit; // no further output
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