class.ilChatroomHistoryGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilChatroomHistoryGUI extends ilChatroomGUIHandler
{
        public function __construct(ilChatroomObjectGUI $gui)
        {
                parent::__construct($gui);
                require_once 'Modules/Chatroom/classes/class.ilChatroomFormFactory.php';
                require_once 'Modules/Chatroom/classes/class.ilChatroom.php';
                require_once 'Modules/Chatroom/classes/class.ilChatroomUser.php';
        }

        public function byDayExport()
        {
                global $ilTabs;
                
                $ilTabs->activateSubTab('byday');
                $this->byDay(true);
        }

        public function byDay($export = false)
        {
                global $lng, $ilCtrl, $ilUser, $tpl;

                $room = ilChatroom::byObjectId($this->gui->object->getId());

                $tpl->addJavaScript('./Services/Form/js/date_duration.js');

                $scope = $room->getRoomId();

                $chat_user   = new ilChatroomUser($ilUser, $room);
                $formFactory = new ilChatroomFormFactory();

                $durationForm = $formFactory->getPeriodForm();
                $durationForm->setTitle($lng->txt('history_byday_title'));
                $durationForm->addCommandButton('history-byDayExport', $lng->txt('export'));
                $durationForm->addCommandButton('history-byDay', $lng->txt('show'));
                $durationForm->setFormAction($ilCtrl->getFormAction($this->gui), 'history-byDay');

                $messages           = array();
                $psessions          = array();
                $submit_request     = strtolower($_SERVER['REQUEST_METHOD']) == 'post';
                $from               = null;
                $to                 = null;

                if($submit_request)
                {
                        if($durationForm->checkInput())
                        {
                                $period   = $durationForm->getItemByPostVar('timeperiod');

                                $messages = $room->getHistory(
                                        $from = $period->getStart(),
                                        $to   = $period->getEnd(),
                                        $chat_user->getUserId(),
                                        isset($_REQUEST['scope']) ? $_REQUEST['scope'] : 0
                                );

                                $psessions = $room->getPrivateRoomSessions(
                                        $from,
                                        $to,
                                        $chat_user->getUserId(),
                                        $scope
                                );
                        }
                        else
                        {
                                $export = false;
                        }

                        $durationForm->setValuesByPost();
                }

                $this->showMessages($messages, $durationForm, $export, $psessions, $from, $to);
        }

        private function showMessages($messages, $durationForm, $export = false, $psessions = array(), $from, $to)
        {
                global $tpl, $lng, $ilCtrl;

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

                if(!ilChatroom::checkUserPermissions('read', $this->gui->ref_id))
                {
                        $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", ROOT_FOLDER_ID);
                        $ilCtrl->redirectByClass("ilrepositorygui", "");
                }

                $this->gui->switchToVisibleMode();

                $tpl->addCSS('Modules/Chatroom/templates/default/style.css');

                // should be able to grep templates 
                if($export)
                {
                        $roomTpl = new ilTemplate('tpl.history_export.html', true, true, 'Modules/Chatroom');
                }
                else
                {
                        $roomTpl = new ilTemplate('tpl.history.html', true, true, 'Modules/Chatroom');
                }

                $scopes = array();

                if($export)
                {
                        ilDatePresentation::setUseRelativeDates(false);
                }

                global $ilUser;
                $time_format = $ilUser->getTimeFormat();

                $prevDate      = '';
                $messagesShown = 0;
                $lastDateTime  = null;
                foreach($messages as $message)
                {
                        //$message['message']->content = json_decode($message['message']->content);

                        switch($message['message']->type)
                        {
                                case 'message':
                                        if(($_REQUEST['scope'] && $message['message']->subRoomId == $_REQUEST['scope']) || (!$_REQUEST['scope'] && !$message['message']->subRoomId))
                                        {
                                                $date        = new ilDate($message['timestamp'], IL_CAL_UNIX);
                                                $dateTime    = new ilDateTime($message['timestamp'], IL_CAL_UNIX);
                                                $currentDate = ilDatePresentation::formatDate($dateTime);

                                                $roomTpl->setCurrentBlock('MESSAGELINE');
                                                $roomTpl->setVariable('MESSAGECONTENT', $message['message']->content); // oops... it is a message? ^^
                                                $roomTpl->setVariable('MESSAGESENDER', $message['message']->from->username);
                                                if(null == $lastDateTime ||
                                                        date('d', $lastDateTime->get(IL_CAL_UNIX)) != date('d', $dateTime->get(IL_CAL_UNIX)) ||
                                                        date('m', $lastDateTime->get(IL_CAL_UNIX)) != date('m', $dateTime->get(IL_CAL_UNIX)) ||
                                                        date('Y', $lastDateTime->get(IL_CAL_UNIX)) != date('Y', $dateTime->get(IL_CAL_UNIX))
                                                )
                                                {
                                                        $roomTpl->setVariable('MESSAGEDATE', ilDatePresentation::formatDate($date));
                                                }

                                                if($prevDate != $currentDate)
                                                {
                                                        switch($time_format)
                                                        {
                                                                case ilCalendarSettings::TIME_FORMAT_24:
                                                                        $date_string = $dateTime->get(IL_CAL_FKT_DATE, 'H:i', $ilUser->getTimeZone());
                                                                        break;
                                                                case ilCalendarSettings::TIME_FORMAT_12:
                                                                        $date_string = $dateTime->get(IL_CAL_FKT_DATE, 'g:ia', $ilUser->getTimeZone());
                                                                        break;
                                                        }

                                                        $roomTpl->setVariable('MESSAGETIME', $date_string);
                                                        $prevDate = $currentDate;
                                                }

                                                $roomTpl->parseCurrentBlock();

                                                $lastDateTime = $dateTime;

                                                ++$messagesShown;
                                        }
                                        break;
                        }
                }

                foreach($psessions as $session)
                {
                        $scopes[$session['proom_id']] = $session['title'];
                }

                if(isset($scopes['']))
                {
                        unset($scopes['']);
                }

                if(!$messagesShown)
                {
                        //$roomTpl->touchBlock('NO_MESSAGES');
                        $roomTpl->setVariable('LBL_NO_MESSAGES', $lng->txt('no_messages'));
                }

                asort($scopes, SORT_STRING);

                $scopes = array($lng->txt('main')) + $scopes;

                if(count($scopes) > 1)
                {
                        $select = new ilSelectInputGUI($lng->txt('scope'), 'scope');
                        $select->setOptions($scopes);

                        if(isset($_REQUEST['scope']))
                        {
                                $select->setValue($_REQUEST['scope']);
                        }

                        $durationForm->addItem($select);
                }

                $room = ilChatroom::byObjectId($this->gui->object->getId());
                //if ($room->getSetting('private_rooms_enabled')) {

                $prevUseRelDates = ilDatePresentation::useRelativeDates();
                ilDatePresentation::setUseRelativeDates(false);

                if($from instanceof ilDateTime && $to instanceof ilDateTime)
                {
                        $unixFrom = $from->getUnixTime();
                        $unixTo   = $to->getUnixTime();

                        if($unixFrom == $unixTo)
                        {
                                $date     = new ilDate($unixFrom, IL_CAL_UNIX);
                                $date_sub = ilDatePresentation::formatDate($date);
                        }
                        else
                        {
                                $date1    = new ilDate($unixFrom, IL_CAL_UNIX);
                                $date2    = new ilDate($unixTo, IL_CAL_UNIX);
                                $date_sub = ilDatePresentation::formatPeriod($date1, $date2);
                        }
                        ilDatePresentation::setUseRelativeDates($prevUseRelDates);

                        $isPrivateRoom = (boolean)((int)$_REQUEST['scope']);
                        if($isPrivateRoom)
                        {
                                $roomTpl->setVariable('ROOM_TITLE', sprintf($lng->txt('history_title_private_room'), $scopes[(int)$_REQUEST['scope']]) . ' (' . $date_sub . ')');
                        }
                        else
                        {
                                $roomTpl->setVariable('ROOM_TITLE', sprintf($lng->txt('history_title_general'), $this->gui->object->getTitle()) . ' (' . $date_sub . ')');
                        }
                }

                if($export)
                {
                        header("Content-Type: text/html");
                        header("Content-Disposition: attachment; filename=\"" . urlencode($scopes[(int)$_REQUEST['scope']] . '.html') . "\"");
                        echo $roomTpl->get();
                        exit;
                }

                $roomTpl->setVariable('PERIOD_FORM', $durationForm->getHTML());

                $tpl->setVariable('ADM_CONTENT', $roomTpl->get());
        }

        public function bySessionExport()
        {
                global $ilTabs;

                $ilTabs->activateSubTab('bysession');
                $this->bySession(true);
        }

        public function bySession($export = false)
        {
                global $lng, $ilCtrl, $ilUser;

                $room = ilChatroom::byObjectId($this->gui->object->getId());

                $scope = $room->getRoomId();

                $chat_user = new ilChatroomUser($ilUser, $room);

                $formFactory  = new ilChatroomFormFactory();
                $durationForm = $formFactory->getSessionForm($room->getSessions($chat_user));
                $durationForm->setTitle($lng->txt('history_bysession_title'));
                $durationForm->addCommandButton('history-bySessionExport', $lng->txt('export'));
                $durationForm->addCommandButton('history-bySession', $lng->txt('show'));
                $durationForm->setFormAction(
                        $ilCtrl->getFormAction($this->gui), 'history-bySession'
                );

                if(strtolower($_SERVER['REQUEST_METHOD']) == 'post')
                {
                        $durationForm->checkInput();
                        $postVals = explode(',', $_POST['session']);
                        $durationForm->setValuesByArray(array('session' => $_POST['session']));

                        $messages = $room->getHistory(
                                $from = new ilDateTime($postVals[0], IL_CAL_UNIX),
                                $to = new ilDateTime($postVals[1], IL_CAL_UNIX),
                                $chat_user->getUserId(),
                                isset($_REQUEST['scope']) ? $_REQUEST['scope'] : 0
                        );
                }
                else
                {
                        $last_session = $room->getLastSession($chat_user);

                        if($last_session)
                        {
                                $from = new ilDateTime($last_session['connected'], IL_CAL_UNIX);
                                $to   = new ilDateTime($last_session['disconnected'], IL_CAL_UNIX);
                        }
                        else
                        {
                                $from = null;
                                $to   = null;
                        }

                        $messages = $room->getHistory(
                                $from,
                                $to,
                                $chat_user->getUserId(),
                                isset($_REQUEST['scope']) ? $_REQUEST['scope'] : 0
                        );
                }

                if($from && $to)
                {
                        $psessions = $room->getPrivateRoomSessions(
                                $from,
                                $to,
                                $chat_user->getUserId(),
                                $scope
                        );
                }
                else
                {
                        $from      = new ilDateTime();
                        $to        = new ilDateTime();
                        $psessions = array();
                }

                $psessions = $room->getPrivateRoomSessions(
                        $from,
                        $to,
                        $chat_user->getUserId(),
                        $scope
                );

                $this->showMessages($messages, $durationForm, $export, $psessions, $from, $to);
        }
        
        public function executeDefault($method)
        {
                $this->byDay();
        }
}