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<?php
require_once('../../../config.php');
require_once('../lib.php');
$id = required_param('id', PARAM_INT);
$groupid = optional_param('groupid', 0, PARAM_INT); // only for teachers
$message = optional_param('message', '', PARAM_CLEANHTML);
$refresh = optional_param('refresh', '', PARAM_RAW); // force refresh
$last = optional_param('last', 0, PARAM_INT); // last time refresh or sending
$newonly = optional_param('newonly', 0, PARAM_BOOL); // show only new messages
$url = new moodle_url('/mod/chat/gui_basic/index.php', array('id'=>$id));
if ($groupid !== 0) {
$url->param('groupid', $groupid);
}
if ($message !== 0) {
$url->param('message', $message);
}
if ($refresh !== 0) {
$url->param('refresh', $refresh);
}
if ($last !== 0) {
$url->param('last', $last);
}
if ($newonly !== 0) {
$url->param('newonly', $newonly);
}
$PAGE->set_url($url);
if (!$chat = $DB->get_record('chat', array('id'=>$id))) {
print_error('invalidid', 'chat');
}
if (!$course = $DB->get_record('course', array('id'=>$chat->course))) {
print_error('invalidcourseid');
}
if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
print_error('invalidcoursemodule');
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_login($course->id, false, $cm);
require_capability('mod/chat:chat', $context);
$PAGE->set_pagelayout('base');
/// Check to see if groups are being used here
if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used
if ($groupid = groups_get_activity_group($cm)) {
if (!$group = groups_get_group($groupid)) {
print_error('invalidgroupid');
}
$groupname = ': '.$group->name;
} else {
$groupname = ': '.get_string('allparticipants');
}
} else {
$groupid = 0;
$groupname = '';
}
$strchat = get_string('modulename', 'chat'); // must be before current_language() in chat_login_user() to force course language!!!
$strchats = get_string('modulenameplural', 'chat');
$stridle = get_String('idle', 'chat');
if (!$chat_sid = chat_login_user($chat->id, 'basic', $groupid, $course)) {
print_error('cantlogin', 'chat');
}
if (!$chatusers = chat_get_users($chat->id, $groupid, $cm->groupingid)) {
print_error('errornousers', 'chat');
}
$DB->set_field('chat_users', 'lastping', time(), array('sid'=>$chat_sid));
if (!isset($SESSION->chatprefs)) {
$SESSION->chatprefs = array();
}
if (!isset($SESSION->chatprefs[$chat->id])) {
$SESSION->chatprefs[$chat->id] = array();
$SESSION->chatprefs[$chat->id]['chatentered'] = time();
}
$chatentered = $SESSION->chatprefs[$chat->id]['chatentered'];
$refreshedmessage = '';
if (!empty($refresh) and data_submitted()) {
$refreshedmessage = $message;
chat_delete_old_users();
} else if (empty($refresh) and data_submitted() and confirm_sesskey()) {
if ($message!='') {
$newmessage = new stdClass();
$newmessage->chatid = $chat->id;
$newmessage->userid = $USER->id;
$newmessage->groupid = $groupid;
$newmessage->systrem = 0;
$newmessage->message = $message;
$newmessage->timestamp = time();
$DB->insert_record('chat_messages', $newmessage);
$DB->insert_record('chat_messages_current', $newmessage);
$DB->set_field('chat_users', 'lastmessageping', time(), array('sid'=>$chat_sid));
add_to_log($course->id, 'chat', 'talk', "view.php?id=$cm->id", $chat->id, $cm->id);
}
chat_delete_old_users();
$url = new moodle_url('/mod/chat/gui_basic/index.php', array('id'=>$id, 'newonly'=>$newonly, 'last'=>$last));
redirect($url);
}
$PAGE->set_title("$strchat: $course->shortname: ".format_string($chat->name,true)."$groupname");
echo $OUTPUT->header();
echo $OUTPUT->container_start(null, 'page-mod-chat-gui_basic');
echo $OUTPUT->heading(get_string('participants'), 2, 'mdl-left');
echo $OUTPUT->box_start('generalbox', 'participants');
echo '<ul>';
foreach($chatusers as $chu) {
echo '<li class="clearfix">';
echo $OUTPUT->user_picture($chu, array('size'=>24, 'courseid'=>$course->id));
echo '<div class="userinfo">';
echo fullname($chu).' ';
if ($idle = time() - $chu->lastmessageping) {
echo '<span class="idle">'.$stridle.' '.format_time($idle).'</span>';
} else {
echo '<span class="idle" />';
}
echo '</div>';
echo '</li>';
}
echo '</ul>';
echo $OUTPUT->box_end();
echo '<div id="send">';
echo '<form id="editing" method="post" action="index.php">';
echo '<h2><label for="message">'.get_string('sendmessage', 'message').'</label></h2>';
echo '<div>';
echo '<input type="text" id="message" name="message" value="'.s($refreshedmessage, true).'" size="60" />';
echo '</div><div>';
echo '<input type="hidden" name="id" value="'.$id.'" />';
echo '<input type="hidden" name="groupid" value="'.$groupid.'" />';
echo '<input type="hidden" name="last" value="'.time().'" />';
echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
echo '<input type="submit" value="'.get_string('submit').'" />&nbsp;';
echo '<input type="submit" name="refresh" value="'.get_string('refresh').'" />';
echo '<input type="checkbox" name="newonly" id="newonly" '.($newonly?'checked="checked" ':'').'/><label for="newonly">'.get_string('newonlymsg', 'message').'</label>';
echo '</div>';
echo '</form>';
echo '</div>';
echo '<div id="messages">';
echo $OUTPUT->heading(get_string('messages', 'chat'), 2, 'mdl-left');
$allmessages = array();
$options = new stdClass();
$options->para = false;
$options->newlines = true;
$params = array('last'=>$last, 'groupid'=>$groupid, 'chatid'=>$chat->id, 'chatentered'=>$chatentered);
if ($newonly) {
$lastsql = "AND timestamp > :last";
} else {
$lastsql = "";
}
$groupselect = $groupid ? "AND (groupid=:groupid OR groupid=0)" : "";
$messages = $DB->get_records_select("chat_messages_current",
"chatid = :chatid AND timestamp > :chatentered $lastsql $groupselect", $params,
"timestamp DESC");
if ($messages) {
foreach ($messages as $message) {
$allmessages[] = chat_format_message($message, $course->id, $USER);
}
}
if (empty($allmessages)) {
echo get_string('nomessagesfound', 'message');
} else {
foreach ($allmessages as $message) {
echo $message->basic;
}
}
echo '</div>';
echo $OUTPUT->container_end();
echo $OUTPUT->footer();
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