<?php

/**
 * @copyright (C) 2013 iJoomla, Inc. - All rights reserved.
 * @license GNU General Public License, version 2 (http://www.gnu.org/licenses/gpl-2.0.html)
 * @author iJoomla.com <webmaster@ijoomla.com>
 * @url https://www.jomsocial.com/license-agreement
 * The PHP code portions are distributed under the GPL license. If not otherwise stated, all images, manuals, cascading style sheets, and included JavaScript *are NOT GPL, and are released under the IJOOMLA Proprietary Use License v1.0
 * More info at https://www.jomsocial.com/license-agreement
 */

use Joomla\CMS\Date\Date;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Pagination\Pagination;
use Joomla\CMS\Table\Table;
use Joomla\CMS\Uri\Uri;
use Joomla\Filesystem\File;

defined('_JEXEC') or die('Restricted access');

require_once ( JPATH_ROOT . '/components/com_community/models/models.php');

// Include interface definition
//CFactory::load( 'models' , 'tags' );

class CTableEvent extends Table implements CGeolocationInterface, CTaggable_Item {

    var $id = null;
    var $parent = null;
    var $catid = null;
    var $contentid = null;
    var $type = null;
    var $title = null;
    var $summary = null;
    var $description = null;
    var $location = null;
    var $creator = null;
    var $startdate = null;
    var $enddate = null;
    var $permission = null;
    var $avatar = null;
    var $thumb = null;
    var $invitedcount = null;
    var $confirmedcount = null;
    var $declinedcount = null;
    var $maybecount = null;
    var $created = null;
    var $hits = null;
    var $published = null;
    var $wallcount = null;
    var $ticket = null;
    var $allowinvite = null;
    var $offset = null;
    var $allday = null;
    var $repeatend = null;
    var $repeat = null;
    var $cover = null;
    var $unlisted = null;
    var $params = null;
    /* Implement geolocation */
    var $latitude = null;
    var $longitude = null;
    var $_pagination = '';

    static $members = array();

    /**
     * Constructor
     */
    public function __construct(&$db) {
        parent::__construct('#__community_events', 'id', $db);

        // Set default timezone to current user's timezone
        //$my = CFactory::getUser();
        //$this->offset = $my->getParam('timezone');

        // set default timezone to system settings
        $systemOffset = new Date('now', Factory::getApplication()->get('offset'));
        $systemOffset = $systemOffset->getOffsetFromGMT(true);
        $this->offset = $systemOffset;
    }

    /**
     * Binds an array into this object's property
     *
     * @access	public
     * @param	$data	mixed	An associative array or object
     * */
    public function bind($src, $ignore = array()) {
        $status = parent::bind($src);

        $this->_fixDates();

        return $status;
    }

    // @legacy
    // Fix events prior to 2.0 so that we get the proper offset of the event.
    // This should be removed in 2.4 or later.
    private function _fixDates() {
        if ($this->offset === null && !empty($this->id)) {
            // Add proper offset by getting the author's offset.
            $this->offset = CFactory::getUser($this->creator)->getTimezone();

            // Set Start date
            $date = JDate::getInstance($this->startdate);
            $date->setTimezone($this->offset);
            $this->startdate = $date->toSql(true);

            unset($date);

            $date = JDate::getInstance($this->enddate);
            $date->setTimezone($this->offset);
            $this->enddate = $date->toSql(true);

            // Set
            $this->store();
        }
    }

    public function load($id = null, $reset = true) {
        $status = parent::load($id);

        $this->_fixDates();

        return $status;
    }

    public function check() {
        // Santinise data
        $safeHtmlFilter = CFactory::getInputFilter();
        $this->title = $safeHtmlFilter->clean($this->title);

        // Allow html tags
        $config = CFactory::getConfig();
        $safeHtmlFilter = CFactory::getInputFilter($config->get('allowhtml'));
        $this->description = $safeHtmlFilter->clean($this->description);

        return true;
    }

    public function store($updateNulls = false) {
        if (!$this->check()) {
            return false;
        }

        $this->resolveLocation($this->location);

        return parent::store();
    }

    /**
     * Make sure hits are user and session sensitive
     */
    public function hit($pk = null) {
        $session = Factory::getSession();
        if ($session->get('view-event-' . $this->id, false) == false) {
            parent::hit();
            //@since 4.1 when a there is a new view in event, dump the data into event stats
            $statsModel = CFactory::getModel('stats');
            $statsModel->addEventStats($this->id, 'view');
        }
        $session->set('view-event-' . $this->id, true);
    }

    public function getStartTime() {
        $edate = new JDate($this->startdate);
        return $edate->format('H:M');
    }

    public function getEndTime() {
        $edate = new JDate($this->enddate);
        return $edate->format('H:M');
    }

    /**
     * Retrieves the starting date of an event.
     *
     * @param	boolean	$formatted Determins whether to call deprecated method.
     * @return	JDate
     * */
    public function getStartDate($formatted = true, $format = '') {
        if ($formatted) {
            return $this->_getStartDate($format);
        }

        $date = Date::getInstance($this->startdate);
        return $date;
    }

    /**
     * Deprecated since 2.x
     *
     * This method was used in place of getStartDate prior to 2.x.
     * */
    public function _getStartDate($format = '') {
        $edate = new JDate($this->startdate);
        return ($format == '') ? $edate->format('Y-m-d') : $edate->format($format);
    }

    /**
     * @since 2.6.1
     *
     * This method use to get event start date in html string
     * */
    public function getStartDateHTML() {
        $format = $this->get('format', $this->_getDateTimeFormat());
        return CTimeHelper::getFormattedTime($this->startdate, $format);
    }

    /**
     * @since 2.6.1
     *
     * This method use to get event date format
     * */
    public function _getDateTimeFormat() {

        $config = CFactory::getConfig();

        $startDate = $this->getStartDate(false);
        $endDate = $this->getEndDate(false);
        $allday = false;

        $format = ($config->get('eventshowampm')) ? Text::_('COM_COMMUNITY_EVENTS_TIME_FORMAT_12HR') : Text::_('COM_COMMUNITY_EVENTS_TIME_FORMAT_24HR');

        if (($startDate->format('Y-m-d') == $endDate->format('Y-m-d')) && $startDate->format('H:M:S') == '00:00:00' && $endDate->format('H:M:S') == '23:59:59') {
            $format = Text::_('COM_COMMUNITY_EVENT_TIME_FORMAT_LC1');
            $allday = true;
        }

        $this->set('format', $format);

        return $format;
    }

    /**
     * Retrieves the ending date of an event.
     *
     * @param	boolean	$formatted Determins whether to call deprecated method.
     * @return	JDate
     * */
    public function getEndDate($formatted = true, $format='') {
        if ($formatted) {
            return $this->_getEndDate($format);
        }

        $date = Date::getInstance($this->enddate);
        return $date;
    }

    /**
     * Deprecated since 2.x
     *
     * This method was used in place of getStartDate prior to 2.x.
     * */
    public function _getEndDate($format = '') {
        $edate = new Date($this->enddate);
        return ($format == '') ? $edate->format('Y-m-d') : $edate->format($format);
    }

    /**
     * @since 2.6.1
     *
     * This method use to get event end date in html string
     * */
    public function getEndDateHTML() {
        $format = $this->get('format', $this->_getDateTimeFormat());
        return CTimeHelper::getFormattedTime($this->enddate, $format);
    }

    /**
     * Get large avatar use for cropping
     * @return string
     */
    public function getLargeAvatar() {
        $config = CFactory::getConfig();
        $largeAvatar = $config->getString('imagefolder') . '/avatar/event/event-' . basename($this->avatar);
        if (is_file(JPATH_ROOT . '/' . $largeAvatar)) {
            return CUrlHelper::avatarURI($largeAvatar) . '?' . md5(time()); /* adding random param to prevent browser caching */
        } else {
            return $this->getAvatar();
        }
    }

    /**
     * Return the full URL path for the specific image
     *
     * @param	string	$type	The type of avatar to look for 'thumb' or 'avatar'
     * @return string	The category name
     * */
    public function getAvatar() {
        // Get the avatar path. Some maintance/cleaning work: We no longer store
        // the default avatar in db. If the default avatar is found, we reset it
        // to empty. In next release, we'll rewrite this portion accordingly.
        // We allow the default avatar to be template specific.
        if ($this->avatar == 'components/com_community/assets/event.png') {
            $this->avatar = '';
            $this->store();
        }

        $avatar = CUrlHelper::avatarURI($this->avatar, 'event.png');

        return $avatar;
    }

    /**
     * Return full uri path of the thumbnail
     */
    public function getThumbAvatar() {
        if ($this->thumb == 'components/com_community/assets/event_thumb.png') {
            $this->thumb = '';
            $this->store();
        }

        $thumb = CUrlHelper::avatarURI($this->thumb, 'event_thumb.png');

        return $thumb;
    }

    public function removeAvatar() {
        if (is_file($this->avatar)) {
            File::delete($this->avatar);
        }

        if (is_file($this->thumb)) {
            File::delete($this->thumb);
        }

        $this->avatar = '';
        $this->thumb = '';
        $this->store();
    }

    /**
     * 	Set the avatar for for specific group
     *
     * @param	appType		Application type. ( users , groups )
     * @param	path		The relative path to the avatars.
     * @param	type		The type of Image, thumb or avatar.
     * @param	action      The save option either for current event or future event (recurring)
     *
     * */
    public function setImage($path, $type = 'thumb', $action = '') {
        CError::assert($path, '', '!empty', __FILE__, __LINE__);

        $model = CFactory::getModel('events');

        $db = $this->getDBO();

        // Fix the back quotes
        $path = CStringHelper::str_ireplace('\\', '/', $path);
        $type = CStringHelper::strtolower($type);

        // Test if the record exists.
        $oldFile = $this->$type;

        if ($oldFile) {
            // File exists, try to remove old files first.
            $oldFile = CString::str_ireplace('/', '/', $oldFile);

            $series = $action == 'future' ? true : false;
            $fileInUsed = $model->isImageInUsed($this->$type, $type, $this->id, $series);

            // If old file is default_thumb or default, we should not remove it.
            // Need proper way to test it
            if (!CStringHelper::stristr($oldFile, 'event.png') && !CStringHelper::stristr($oldFile, 'event_thumb.png') && !$fileInUsed) {
                jimport('joomla.filesystem.file');
                File::delete($oldFile);
            }
        }
        $this->$type = $path;
        $this->store();

        // Apply the same avatar to future event.
        if ($action == 'future') {
            $model->updateRecurringImage($path, $type, $this->parent, $this->id);
        }
    }

    public function setConfirmedCount($addCount = 1) {
        $this->confirmedcount = $this->confirmedcount + $addCount;
        $this->store();
    }

    public function deleteAllMembers($action = '') {
        $db = Factory::getDBO();

        $condition = '';
        if ($action == 'future') {
            $condition .= ' OR
				           (e.' . $db->quoteName('parent') . '= ' . $db->Quote($this->parent) . ' &&
						    e.' . $db->quoteName('parent') . '!= 0 &&
						    e.' . $db->quoteName('id') . '>' . $db->Quote($this->id) . '
						    )';
        }

        $query = 'DELETE
			       FROM m
				   USING ' . $db->quoteName('#__community_events_members') . ' AS m
				   LEFT JOIN ' . $db->quoteName('#__community_events') . ' AS e on e.id = m.eventid
				   WHERE m.' . $db->quoteName('eventid') . '=' . $db->Quote($this->id) .
                $condition;

        $db->setQuery($query);
        try {
            $db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return true;
    }

    public function deletePendingMember() {

        $db = Factory::getDBO();
        $now = new JDate();

        $query = 'DELETE ' . $db->quoteName('member') . ' FROM ' . $db->quoteName('#__community_events_members')
                . ' member INNER JOIN ' . $db->quoteName('#__community_events')
                . ' event ON member.' . $db->quoteName('eventid') . ' = event.' . $db->quoteName('id')
                . ' WHERE member.' . $db->quoteName('status') . '= ' . $db->Quote('0')
                . ' AND event.' . $db->quoteName('enddate') . ' < ' . $db->Quote($now->toSql());
        $db->setQuery($query);
        try {
            $db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return true;
    }

    /**
     * Delete group's wall
     *
     * param	string	id The id of the group.
     *
     * */
    public function deleteWalls() {
        $db = Factory::getDBO();

        $sql = "DELETE

				FROM w
				USING " . $db->quoteName("#__community_wall") . " AS w
				LEFT JOIN " . $db->quoteName("#__community_activities") . " AS a
					 ON a.id = w.contentid
				WHERE
					 w." . $db->quoteName("type") . " = " . $db->quote("events.wall") . " AND
				     a." . $db->quoteName("cid") . " = " . $this->id . " AND
				     a." . $db->quoteName("app") . " = " . $db->quote("events.wall");

        $db->setQuery($sql);
        try {
            $db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return true;
    }

    /**
     * Delete all the media from this event
     */
    public function deleteMedia(){
        //cover event album
        $db = Factory::getDBO();
        $query = "SELECT id FROM ".$db->quoteName("#__community_photos_albums")." WHERE eventid=".$this->id;
        $db->setQuery($query);

        $results = $db->loadColumn();

        $model = CFactory::getModel('Photos');
        foreach($results as $result){
            $album = Table::getInstance('Album', 'CTable');
            $album->load($result);
            $album->delete();
        }

        return true;

    }

    public function deleteFeatured() {
        $db = Factory::getDBO();

        $sql = "DELETE
				FROM " . $db->quoteName("#__community_featured") . "
				WHERE
				 " . $db->quoteName("cid") . " = " . $db->quote($this->id) . " AND
				 " . $db->quoteName("type") . " = " . $db->quote('events');

        $db->setQuery($sql);
        try {
            $db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return true;
    }

    public function deleteActivity() {
        $db = Factory::getDBO();

        $sql = "DELETE

				FROM
						" . $db->quoteName("#__community_activities") . "
				WHERE
						" . $db->quoteName("cid") . " = " . $db->quote($this->id) . " AND
						" . $db->quoteName("app") . " LIKE " . $db->quote('%events%');

        $db->setQuery($sql);
        try {
            $db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }
        return true;
    }

    public function getCreator() {
        $user = CFactory::getUser($this->creator);
        return $user;
    }

    public function getCategoryName() {
        $category = Table::getInstance('EventCategory', 'CTable');
        $category->load($this->catid);

        return $category->name;
    }

    public function getCreatorName() {
        $user = CFactory::getUser($this->creator);
        return $user->getDisplayName();
    }

    /**
     * Returns the members list for the specific groups
     *
     * @access public
     * @param	int		$limit
     * @param	boolean	$randomize
     * @return	array	Admins list in JTable
     * */
    public function getAdmins($limit = 0, $randomize = false) {
        $mainframe = Factory::getApplication();
        $config = CFactory::getConfig();
        $limit = ($limit != 0) ? $limit : $config->get('pagination');
        $jinput = $mainframe->input;
        $limitstart = $jinput->get('limitstart', 0, 'INT');

        $query = 'SELECT ' . $this->_db->quoteName('memberid') . ' AS id, ' . $this->_db->quoteName('status') . ' AS statusCode FROM '
                . $this->_db->quoteName('#__community_events_members')
                . ' WHERE ' . $this->_db->quoteName('eventid') . ' = ' . $this->_db->Quote($this->id)
                . ' AND ' . $this->_db->quoteName('permission') . ' IN (1,2)';

        if ($randomize) {
            $query .= ' ORDER BY RAND() ';
        }

        if (!is_null($limit)) {
            $query .= ' LIMIT ' . $limit;
        }
        $this->_db->setQuery($query);
        try {
            $result = $this->_db->loadObjectList();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        // bind to table
        $data = array();
        foreach ($result as $row) {
            $eventAdmin = Table::getInstance('EventMembers', 'CTable');
            $eventAdmin->bind($row);
            $data[] = $eventAdmin;
        }

        $query = 'SELECT COUNT(1) FROM '
                . $this->_db->quoteName('#__community_events_members')
                . ' WHERE ' . $this->_db->quoteName('eventid') . ' = ' . $this->_db->Quote($this->id)
                . ' AND ' . $this->_db->quoteName('permission') . ' IN (1,2)';
        $this->_db->setQuery($query);
        $total = $this->_db->loadResult();

        if (empty($this->_pagination)) {
            jimport('joomla.html.pagination');

            $this->_pagination = new Pagination($total, $limitstart, $limit);
        }

        return $data;
    }

    public function getAdminsCount() {
        $query = 'SELECT count(a.memberid) FROM '
                . $this->_db->quoteName('#__community_events_members') . ' AS a '
                . ' INNER JOIN ' . $this->_db->quoteName('#__users') . ' AS b '
                . ' WHERE b.' . $this->_db->quoteName('id') . '=a.' . $this->_db->quoteName('memberid')
                . ' AND a.' . $this->_db->quoteName('eventid') . '=' . $this->_db->Quote($this->id)
                . ' AND a.' . $this->_db->quoteName('permission') . ' IN (1,2)';

        $this->_db->setQuery($query);
        try {
            $result = $this->_db->loadResult();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return $result;
    }

    public function getPagination() {
        return $this->_pagination;
    }

    /**
     * @param $status
     * @param int $limit
     * @param bool $randomize
     * @param bool $pendingApproval - from previous version
     * @param bool $pagination
     * @return array
     */
    public function getMembers($status, $limit = 0, $randomize = false, $pendingApproval = false, $pagination = true) {
        $mainframe = Factory::getApplication();
        $config = CFactory::getConfig();
        $limit = ($limit != 0 || is_null($limit)) ? $limit : $config->get('pagination');
        $jinput = $mainframe->input;
        $limitstart = $jinput->get('limitstart', 0, 'INT');

        $query = 'SELECT ' . $this->_db->quoteName('memberid') . ' AS id, a.' . $this->_db->quoteName('status') . ' AS statusCode FROM '
                . $this->_db->quoteName('#__community_events_members') . ' AS a '
                . ' JOIN ' . $this->_db->quoteName('#__users') . ' AS b ON a.memberid=b.id AND b.block=0 '
                . ' WHERE ' . $this->_db->quoteName('eventid') . ' = ' . $this->_db->Quote($this->id)
                . ' AND a.' . $this->_db->quoteName('status') . ' = ' . $this->_db->Quote($status);

        if ($randomize) {
            $query .= ' ORDER BY RAND() ';
        }

        if (!is_null($limit)) {
            $query .= ' LIMIT ' . $limitstart . ',' . $limit;
        }

        $this->_db->setQuery($query);
        try {
            $result = $this->_db->loadObjectList();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }
        // bind to table

        $data = array();
        foreach ($result as $row) {
            $eventMember = Table::getInstance('EventMembers', 'CTable');
            $eventMember->bind($row);
            $eventMember->statusCode = $row->statusCode;
            $data[] = $eventMember;
        }

        $query = 'SELECT COUNT(1) FROM '
                . $this->_db->quoteName('#__community_events_members')
                . ' WHERE ' . $this->_db->quoteName('eventid') . ' = ' . $this->_db->Quote($this->id)
                . ' AND ' . $this->_db->quoteName('status') . ' = ' . $this->_db->Quote($status);
        $this->_db->setQuery($query);
        $total = $this->_db->loadResult();

        if (empty($this->_pagination) && $pagination) {
            jimport('joomla.html.pagination');

            $this->_pagination = new Pagination($total, $limitstart, $limit);
            $this->_pagination->setAdditionalUrlParam('eventid', $this->id);
            $this->_pagination->setAdditionalUrlParam('type', 1);
        }

        return $data;
    }

    // for open invite, no invite request
    public function inviteRequestCount() {
        $query = 'SELECT count(a.memberid) FROM '
                . $this->_db->quoteName('#__community_events_members') . ' AS a '
                . ' INNER JOIN ' . $this->_db->quoteName('#__users') . ' AS b '
                . ' WHERE b.' . $this->_db->quoteName('id') . '=a.' . $this->_db->quoteName('memberid')
                . ' AND a.' . $this->_db->quoteName('eventid') . '=' . $this->_db->Quote($this->id)
                . ' AND a.' . $this->_db->quoteName('status') . '=' . $this->_db->Quote(COMMUNITY_EVENT_STATUS_REQUESTINVITE) . ' ';

        $this->_db->setQuery($query);
        try {
            $result = $this->_db->loadResult();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return $result;
    }

    public function getMembersCount($status, $type = 'all', $pendingApproval = false) {
        $query = 'SELECT count(a.memberid) FROM '
                . $this->_db->quoteName('#__community_events_members') . ' AS a '
                . 'INNER JOIN ' . $this->_db->quoteName('#__users') . ' AS b '
                . 'WHERE b.' . $this->_db->quoteName('id') . '=a.' . $this->_db->quoteName('memberid')
                . ' AND a.' . $this->_db->quoteName('eventid') . '=' . $this->_db->Quote($this->id)
                . ' AND b.block=0';

        /*
          if($type != 'all')
          {
          if($type == 'join')
          $query  .= 'AND a.invited_by = ' . $this->_db->Quote('0');
          else if($type == 'invite')
          $query  .= 'AND a.invited_by != ' . $this->_db->Quote('0');
          }

          /*
          if($pendingApproval)
          $query  .= 'AND a.`approval` = ' . $this->_db->Quote('1');
         */


        //$statusCode	= CEventHelper::getStatusCode($status);
        $query .= ' AND a.' . $this->_db->quoteName('status') . ' = ' . $this->_db->Quote($status);

        $this->_db->setQuery($query);
        try {
            $result = $this->_db->loadResult();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return $result;
    }

    public function getMemberStatus($userid) {
        if ($userid == 0){
            return false;
        }elseif(isset(self::$members[$this->id.'_'.$userid])){
            return self::$members[$this->id.'_'.$userid]->status;
        }

        $member = Table::getInstance('EventMembers', 'CTable');
        $keys = array('eventId' => $this->id, 'memberId' => $userid);
        $member->load($keys);

        self::$members[$this->id.'_'.$userid] = $member;

        return $member->status;
    }

    /**
     * Return true if event is in the past
     * @return boolean
     */
    public function isExpired() {
        $date = new JDate($this->enddate);
        $current = JDate::getInstance();

        return $current->toUnix(true) > $date->toUnix(true);
    }

    /**
     * Return true if the user is admin for the event
     * @param int $userid
     * @return boolean
     */
    public function isAdmin($userid) {
        if ($userid == 0){
            return false;
        }elseif(isset(self::$members[$userid])){
            return (self::$members[$userid]->permission == '1' || self::$members[$userid]->permission == '2');
        }

        $member = Table::getInstance('EventMembers', 'CTable');
        $keys = array('memberId' => $userid, 'eventId' => $this->id);
        $member->load($keys);

        self::$members[$userid] = $member;

        return ($member->permission == '1' || $member->permission == '2');
    }

    /**
     * Return true is user is creator of the event.
     * Since 2.4, there is no more event creator concept. Event admins will
     * have the same privilege as the creator
     * @deprecated
     * @param type $userId
     * @return type
     */
    public function isCreator($userId) {
        return ($userId == $this->creator);
    }

    /**
     * Return the status of this user related to this event
     * 0: invited
     * 1: attend
     * 2: won't attend
     * 3: maybe
     * 4: blocked from attending
     * 5: requesting invite
     * 6: no relation
     */
    public function getUserStatus($userid) {
        $member = Table::getInstance('EventMembers', 'CTable');
        $keys = array('eventId' => $this->id, 'memberId' => $userid);

        $member->load($keys);

        // No relation
        if ($member->id == 0) {
            return COMMUNITY_EVENT_STATUS_NOTINVITED;
        }

        return $member->status;
    }

    /**
     * Retrieves the ending date of a repeat event.
     *
     * @return	JDate
     * */
    public function getRepeatEndDate() {
        if (!$this->repeatend) {
            return false;
        }

        $date = JDate::getInstance($this->repeatend);
        return $date;
    }

    public function upgradeWallToStream() {
        $this->eventActivitiesMigrate();
    }

    private function eventActivitiesMigrate() {
        $db = Factory::getDBO();

        if (!COwnerHelper::isCommunityAdmin()) {
            //only admin can migrate
            //return false;
        }
        /* To check what is the version of jomsocial for current db */
        $query = 'SELECT * FROM ' . $db->quoteName('#__community_activities')
                . ' WHERE ' . $db->quoteName('params') . ' LIKE ' . $db->Quote('%events.wall.create%') . ' AND ' . $db->quoteName('params') . ' LIKE ' . $db->Quote('%eventid=' . $this->id . '%');

        $db->setQuery($query);
        $results = $db->loadobjectList();

        if (!empty($results)) {
            // format : wall_activity_match['activity id'] = wall id
            $wall_activity_match = array(); // this is used to match id from activities with wall id

            foreach ($results as &$result) {
                // update the info
                $result = (array) $result;
                //change content to title
                $result['title'] = $result['content'];
                $result['content'] = ''; //empty content after assigned to title
                //getting the group id out from the param
                $decoded_params = (array) json_decode($result['params']); //explode('=',$result['params']);
                //depends on the version, some is encoded in json, hence result is different
                if (isset($decoded_params['event_url'])) {
                    $group_url = $decoded_params['event_url'];
                    $group_url_arr = explode('=', $group_url);
                    $wall_activity_match[$result['id']] = $decoded_params['wallid'];
                    $group_id = $group_url_arr[count($group_url_arr) - 1];
                } else {
                    $group_url_arr = explode('=', $result['params']);
                    $wall_activity_match[$result['id']] = trim($group_url_arr[count($group_url_arr) - 1]);
                    $group_id = $result['cid'];
                }

                $result['eventid'] = $group_id; // set group id
                $result['target'] = $group_id; // set target as group id
                $result['cid'] = $group_id; // set cid as group id
                $result['params'] = ''; //empty params
                $result['like_id'] = $result['id']; // set like_id as id
                $result['comment_id'] = $result['id']; // set comment id to the current row id
                $result['groupid'] = 0;
                $result['app'] = 'events.wall';
                $result['like_type'] = 'events.wall';
                $result['comment_type'] = 'events.wall';
            }

            // Lets update the converted row into the 2.4 format!
            foreach ($results as $res) {
                $tmp_res = $res;
                unset($tmp_res['created']); //created no need to update
                $tmp_result = (object) $tmp_res;
                $db->updateObject('#__community_activities', $tmp_result, 'id');
            }

            /* lets update the wall content */
            if (!empty($wall_activity_match)) {
                // narrow down the search with array
                $in = implode(',', $wall_activity_match);

                $query = 'SELECT * FROM ' . $db->quoteName('#__community_wall')
                        . ' WHERE ' . $db->quoteName('id') . ' IN (' . $in . ' ) ';

                $db->setQuery($query);

                $results = $db->loadobjectList();

                foreach ($results as $result) {
                    //extract the comments if there is any
                    $pos = strpos($result->comment, '<comment>');

                    if (!$pos) {
                        continue;
                    }

                    list($str, $comments) = explode('<comment>', $result->comment);
                    $comments_arr = json_decode(strip_tags(trim($comments), '</comment>'));

                    //delete this record... optional
                    $activity_id = array_search($result->id, $wall_activity_match);

                    foreach ($comments_arr as $comment) {
                        $dateObject = CTimeHelper::getDate($comment->date);
                        $date = $dateObject->Format('Y-m-d H:i:s');

                        $data = array(
                            'contentid' => $activity_id,
                            'post_by' => $comment->creator,
                            'ip' => '', //leave empty because the ip is not stored in 2.2.x
                            'comment' => $comment->text,
                            'date' => $date,
                            'published' => 1,
                            'type' => 'events.wall'
                        );

                        $tmp_data = (object) $data;
                        $db->insertObject('#__community_wall', $tmp_data);
                    }
                }
            }
        }
    }

    /**
     * Check if the given user is a member of the event
     * A member is basically someone who has marked their attendance
     * @param	string	userid
     * @return	boolean
     */
    public function isMember($userid) {
        // A site guest is clearly not a member
        if ($userid == 0) {
            return false;
        }

        $member = Table::getInstance('EventMembers', 'CTable');
        $keys = array('eventId' => $this->id, 'memberId' => $userid);

        $member->load($keys);

        /**
         * False if this's not member or be rejected
         */
        if ($member->id == '0' || $member->status != 1) {
            return false;
        }

        return true;
    }

    /**
     * Check if the given event is recurring
     *
     * @param boolean
     */
    public function isRecurring() {
        // A site guest is clearly not a member
        if ($this->repeat == '' || $this->repeat == null) {
            return false;
        } else {
            return true;
        }
    }

    /**
     * Check if the given user was pending approval
     * @param	string	userid
     */
    public function isPendingApproval($userid) {
        // guest is not a member of any group
        if ($userid == 0)
            return false;

        $member = Table::getInstance('EventMembers', 'CTable');
        $keys = array('eventId' => $this->id, 'memberId' => $userid);
        $member->load($keys);

        if ($member->id == 0) {
            return false;
        } else {
            return ($member->status == COMMUNITY_EVENT_STATUS_REQUESTINVITE || $member->status == COMMUNITY_EVENT_STATUS_INVITED) ? $member->status : false;
        }
    }

    public function addWallCount() {
        $query = 'UPDATE ' . $this->_db->quoteName('#__community_events') . ' '
                . 'SET ' . $this->_db->quoteName('wallcount') . ' = ( ' . $this->_db->quoteName('wallcount') . ' + 1 ) '
                . 'WHERE ' . $this->_db->quoteName('id') . '=' . $this->_db->Quote($this->id);
        $this->_db->setQuery($query);
        try {
            $this->_db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }
        $this->wallcount++;
    }

    public function substractWallCount() {
        $query = 'UPDATE ' . $this->_db->quoteName('#__community_events') . ' '
                . 'SET ' . $this->_db->quoteName('wallcount') . ' = ( ' . $this->_db->quoteName('wallcount') . ' - 1 ) '
                . 'WHERE ' . $this->_db->quoteName('id') . '=' . $this->_db->Quote($this->id);
        $this->_db->setQuery($query);
        try {
            $this->_db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }
        $this->wallcount--;
    }

    /**
     * Recalculate event guest stats
     */
    public function updateGuestStats() {
        $countFields = array(
            'confirmedcount' => COMMUNITY_EVENT_STATUS_ATTEND,
            'declinedcount' => COMMUNITY_EVENT_STATUS_WONTATTEND,
            'maybecount' => COMMUNITY_EVENT_STATUS_MAYBE,
            'invitedcount' => COMMUNITY_EVENT_STATUS_INVITED);

        // update all 4 count fields
        foreach ($countFields as $key => $value) {
            $query = 'SELECT count(*) FROM ' . $this->_db->quoteName('#__community_events_members') . ' '
                    . ' WHERE '
                    . $this->_db->quoteName('status') . '=' . $this->_db->Quote($value)
                    . ' AND '
                    . $this->_db->quoteName('eventid') . '=' . $this->_db->Quote($this->id);

            $this->_db->setQuery($query);
            $this->$key = $this->_db->loadResult();
        }
    }

    /** Interface fucntions * */
    public function resolveLocation($address) {

        $data = CMapping::getAddressData($address);

        // reset it to null;
        $this->latitude = COMMUNITY_LOCATION_NULL;
        $this->longitude = COMMUNITY_LOCATION_NULL;

        if ($data) {
            if (CFactory::getConfig()->get('maps_api', '') == 'googlemap') {
                if ($data->status == 'OK') {
                    $this->latitude  = $data->results[0]->geometry->location->lat;
                    $this->longitude = $data->results[0]->geometry->location->lng;
                }
            } else {
                if (isset($data[0]->lat) && $data[0]->lon) {
                    $this->latitude  = $data[0]->lat;
                    $this->longitude = $data[0]->lon;
                }
            }
        }
    }

    /**
     * Remove guest from events
     *
     * */
    public function removeGuest($guestId, $eventId) {
        $db = Factory::getDBO();

        $query = "DELETE FROM " . $db->quoteName("#__community_events_members")
                . " WHERE " . $db->quoteName("memberid") . "=" . $db->quote($guestId)
                . " AND " . $db->quoteName("eventid") . "=" . $db->quote($eventId);

        $db->setQuery($query);

        try {
            $db->execute();
        } catch (Exception $e) {
            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
        }

        return true;
    }

    /**
     * Override default delete method so that we can remove necessary data for Events.
     *
     * 	@params	null
     * 	@return	boolean	True on success false otherwise.
     * */
    public function delete($id = null) {
        $this->deleteAllMembers();
        $this->deleteWalls();
        $this->deleteActivity();
        $this->deleteFeatured();
        return parent::delete($id);
    }

    /**
     * Retrieves the URL to the current event.
     * */
    public function getLink() {
        //CFactory::load( 'helpers' , 'event' );

        $handler = CEventHelper::getHandler($this);
        return $handler->getFormattedLink('index.php?option=com_community&view=events&task=viewevent&eventid=' . $this->id, false);
    }

    /**
     * Retrieves the URL to the current event.
     * */
    public function getGuestLink($status = COMMUNITY_EVENT_STATUS_ATTEND) {
        //CFactory::load( 'helpers' , 'event' );

        $handler = CEventHelper::getHandler($this);
        return $handler->getFormattedLink('index.php?option=com_community&view=events&task=viewguest&eventid=' . $this->id . '&type=' . $status);
    }

    /**
     * Return the title of the object
     */
    public function tagGetTitle() {
        return $this->title;
    }

    /**
     * Return the HTML summary of the object
     */
    public function tagGetHtml() {
        return '';
    }

    /**
     * Return the internal link of the object
     *
     */
    public function tagGetLink() {
        return $this->getViewURI();
    }

    /**
     * Return true if the user is allow to modify the tag
     *
     */
    public function tagAllow($userid) {
        return $this->isAdmin($userid);
    }

    /**
     * Return true if the user is allow to modify the tag
     * Added since 2.6
     *
     * @return	boolean
     */
    public function isPublished() {
        $published = $this->published == 1 ? true : false;
        return $published;
    }

    /**
     * Return true if the event is unlisted (not showed on the list of events)
     * Added since 4.0
     *
     * @return	boolean
     */
    public function isUnlisted() {
        $unlisted = $this->unlisted== 1 ? true : false;
        return $unlisted;
    }

    /**
     * Store cover link in db
     * @return  bool [true/false]
     */
    public function setCover($path) {
        $this->cover = $path;
        $this->storage = 'file';
        return $this->store();
    }

    /**
    * Get Event current cover
    * @return [string] [URL]
    */
    public function getCover() {

        if (empty($this->cover)) {
            //we must check in the theme options first because it has the highest priority
            $scssTable = Table::getInstance( 'Theme' , 'CommunityTable' );
            $settings = $scssTable->getByKey('settings');
            if(isset($settings['event']['default-cover-event'])){
                $image = Uri::root().str_replace(JPATH_ROOT,'',COMMUNITY_PATH_ASSETS).'default-cover-event.'.$settings['event']['default-cover-event'];
                return $image;
            }else{
                $this->cover = '';
            }
        } else { /* if not local than get remote storage */
            $storage = CStorage::getStorage($this->storage);
            return $storage->getURI($this->cover);
        }

        return CUrlHelper::coverURI($this->cover, 'cover-event.png');
    }

    /**
     *
     * @return boolean
     */
    public function isDefaultCover(){
        $cover = 'components/com_community/templates/default/images/cover/cover-event.png';

        if($this->cover == $cover || $this->cover == '')
            return true;

        return false;
    }

}