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<?php
// Load Elgg engine
require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
if(!is_plugin_enabled("event_connector"))
{
register_error(elgg_echo('event_connector:activation:failed'));
forward();
}
//Load iCal class library
require_once("vendors/iCalcreator.class.php");
require_once("vendors/iCalUtilityFunctions.class.php");
$event = '';
$event_calendar_first_date = trim(get_plugin_setting('first_date', 'event_calendar'));
$event_calendar_last_date = trim(get_plugin_setting('last_date', 'event_calendar'));
$original_start_date = get_input('start_date',date('Y-m-d'));
if ( $event_calendar_first_date && ($original_start_date < $event_calendar_first_date) ) {
$original_start_date = $event_calendar_first_date;
}
if ( $event_calendar_last_date && ($original_start_date > $event_calendar_last_date) ) {
$original_start_date = $event_calendar_first_date;
}
// the default interval is one month
$day = 60*60*24;
$week = 7*$day;
$month = 31*$day;
$mode = trim(get_input('mode',''));
if ($mode == "day") {
$start_date = $original_start_date;
$end_date = $start_date;
$start_ts = strtotime($start_date);
$end_ts = strtotime($end_date)+$day-1;
} else if ($mode == "week") {
$start_ts = strtotime($original_start_date);
$start_ts -= date("w",$start_ts)*$day;
$end_ts = $start_ts + 6*$day;
$start_date = date('Y-m-d',$start_ts);
$end_date = date('Y-m-d',$end_ts);
} else {
$start_ts = strtotime($original_start_date);
$month = date('m',$start_ts);
$year = date('Y',$start_ts);
$start_date = $year.'-'.$month.'-1';
$end_date = $year.'-'.$month.'-'.getLastDayOfMonth($month,$year);
}
if ($event_calendar_first_date && ($start_date < $event_calendar_first_date))
$start_date = $event_calendar_first_date;
if ($event_calendar_last_date && ($end_date > $event_calendar_last_date))
$end_date = $event_calendar_last_date;
$start_ts = strtotime($start_date);
if ($mode == "day") {
$end_ts = strtotime($end_date)+$day-1;
} else if ($mode == "week") {
$end_ts = $start_ts + 6*$day;
} else {
$end_ts = strtotime($end_date);
}
$group_guid = (int) get_input('group_guid',0);
$offset = (int) get_input('offset',0);
$limit = 10;
$filter = get_input('filter','all');
$region = get_input('region','-');
$events = array();
if ($filter == 'all') {
$count = event_calendar_get_events_between($start_ts,$end_ts,true,$limit,$offset,$group_guid,$region);
$events = event_calendar_get_events_between($start_ts,$end_ts,false,$limit,$offset,$group_guid,$region);
} else if ($filter == 'friends') {
$user_guid = get_loggedin_userid();
$count = event_calendar_get_events_for_friends_between($start_ts,$end_ts,true,$limit,$offset,$user_guid,$group_guid,$region);
$events = event_calendar_get_events_for_friends_between($start_ts,$end_ts,false,$limit,$offset,$user_guid,$group_guid,$region);
} else if ($filter == 'mine') {
$user_guid = get_loggedin_userid();
$count = event_calendar_get_events_for_user_between($start_ts,$end_ts,true,$limit,$offset,$user_guid,$group_guid,$region);
$events = event_calendar_get_events_for_user_between($start_ts,$end_ts,false,$limit,$offset,$user_guid,$group_guid,$region);
}
if(!$events) {
register_error(elgg_echo('event_connector:no_event'));
forward($_SERVER['HTTP_REFERER']);
}
$timezone = get_plugin_setting('timezone', 'event_connector');
$config = array( 'UNIQUE_ID' => 'human-connect.com', 'FILENAME'=> 'ElggCalendar.ics', 'TZID' => $timezone );
$v = new vcalendar($config);
$v->setProperty( 'method', 'PUBLISH' );
$v->setProperty( "X-WR-TIMEZONE", "Europe/Paris" );
$v->setProperty( "calscale", "GREGORIAN" );
$v->setProperty( "version", "2.0" );
if(isloggedin())
$v->setProperty( "X-WR-CALNAME", get_loggedin_user()->username. "Calendar" );
else
$v->setProperty( "X-WR-CALNAME", "Elgg Calendar" );
iCalUtilityFunctions::createTimezone(&$v, $timezone);
foreach($events as $event){
//set default beginning and ending time
$hb = 8; $he = 18;
$mb = $me = $sb = $se = 0;
if($event->start_time) {
$hb= (int)($event->start_time/60);
$mb = $event->start_time%60;
}
if($event->end_time) {
$he = (int)($event->end_time/60);
$me = $event->end_time%60;
}
$vevent = $v->newComponent('vevent');
if (isloggedin()) {
if (event_calendar_has_personal_event($event_id,$_SESSION['user']->getGUID()))
$confirmed = true;
}
if(!isset($event->end_date)) $event->end_date = $event->start_date;
$start = array( 'year'=>date('Y', $event->start_date), 'month'=>date('m', $event->start_date), 'day'=>date('d', $event->start_date), 'hour'=>$hb, 'min'=>$mb, 'sec'=>$sb);
$vevent->setProperty( 'dtstart', $start );
$end = array( 'year'=>date('Y', $event->end_date), 'month'=>date('m', $event->end_date), 'day'=>date('d', $event->end_date), 'hour'=>$he, 'min'=>$me, 'sec'=>$se );
$vevent->setProperty( 'dtend', $end );
$vevent->setProperty( 'LOCATION', $event->venue );
$vevent->setProperty( 'LAST_MODIFIED', $event->time_updated );
$vevent->setProperty( 'summary', $event->title );
$description = isset($event->description) && $event->description != "" ? $event->description : null;
if(!$description && $event->long_description)
$description = $event->long_description;
$vevent->setProperty( 'description', $description);
//doesn't display correctly in iCal
//$vevent->setOrganizer(get_entity($event->owner_guid)->username.':MAILTO:'.get_entity($event->owner_guid)->email);
}
$v->returnCalendar();
function getLastDayOfMonth($month,$year) {
return idate('d', mktime(0, 0, 0, ($month + 1), 0, $year));
}
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