class.ilChatroomBlock.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Modules/Chatroom/classes/class.ilChatroom.php';

class ilChatroomBlock
{
    public function getRoomSelect(stdClass $response)
    {
        global $DIC;

        $readable = $this->getReadableAreas();

        $tpl = new ilTemplate('tpl.chatroom_block_room_select.html', true, true, 'Modules/Chatroom');

        if (count($readable) > 0) {
            $response->has_records = true;
            $tpl->setVariable('TXT_SELECT_ROOM', $DIC->language()->txt('chat_select_room'));

            foreach ($readable as $room) {
                $tpl->setCurrentBlock('select_room_row');
                $tpl->setVariable('ROW_VALUE', $room['ref_id']);
                $tpl->setVariable(
                    'ROW_CAPTION',
                    sprintf($DIC->language()->txt('room_in_container'), $room['title'], $room['parent_title'])
                );

                if ($DIC->user()->getPref('chatviewer_last_selected_room') == $room['ref_id']) {
                    $tpl->setVariable('ROW_SELECTED', 'selected="selected"');
                }

                $tpl->parseCurrentBlock();
            }
        } else {
            $tpl->setVariable('TXT_NO_ROOMS', $DIC->language()->txt('chatviewer_no_rooms'));
        }

        return $tpl->get();
    }

    private function getReadableAreas()
    {
        global $DIC;

        $readable_rooms = array();

        $chatroom_objects = ilChatroom::getUntrashedChatReferences(array(
            'last_activity' => strtotime('-5 days', time())
        ));
        foreach ($chatroom_objects as $object) {
            if (isset($readable_rooms[$object['obj_id']])) {
                continue;
            }

            if (ilChatroom::checkUserPermissions('read', $object['ref_id'], false)) {
                $room = ilChatroom::byObjectId($object['obj_id']);
                if ($room && !$room->isUserBanned($DIC->user()->getId())) {
                    $readable_rooms[$object['obj_id']] = array(
                        'ref_id' => $object['ref_id'],
                        'obj_id' => $object['obj_id'],
                        'room_id' => $room->getRoomId(),
                        'title' => $object['title'],
                        'parent_title' => $object['parent_title']
                    );
                }
            }
        }

        $title = array();
        foreach ($readable_rooms as $k => $v) {
            $title[$k] = strtolower($v['title']);
        }
        array_multisort($title, SORT_STRING, $readable_rooms);

        return $readable_rooms;
    }

    public function getMessages(ilChatroom $room)
    {
        global $DIC;

        include 'Modules/Chatroom/classes/class.ilChatroomUser.php';
        $messages = $room->getLastMessagesForChatViewer(
            $room->getSetting('display_past_msgs'),
            new ilChatroomUser(
                $DIC->user(),
                $room
            )
        );

        $output_messages = array();

        foreach ($messages as $msg) {
            $output_messages[] = $msg;
        }

        return $output_messages;
    }
}