proper export for calendar app - doesn't work with apple ical yet - even though a ics validator says it's valid

1 files changed, 56 insertions, 0 deletions

diff --git a/apps/calendar/lib/export.php b/apps/calendar/lib/export.php
new file mode 100644
index 00000000000..552515461b2
--- /dev/null
+++ b/apps/calendar/lib/export.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Copyright (c) 2012 Georg Ehrke <ownclouddev@georgswebsite.de>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+/*
+ * This class does export
+ */
+class OC_Calendar_Export{
+	const CALENDAR = 'calendar';
+	const EVENT = 'event';
+
+	/*
+	 * @brief export a calendar or an event
+	 * @param (int) $id - id of calendar / event
+	 * @param (const) $type - use OC_Calendar_Export constants
+	 * @return (string)
+	 */
+	public static function export($id, $type){
+		if($type == self::EVENT){
+			$data = OC_Calendar_App::getEventObject($_GET['eventid'], false);
+			$return = $data['calendardata'];
+		}else{
+			$return = self::calendar($id);
+		}
+		return $return;
+	}
+
+	/*
+	 * @brief export a calendar and convert all times to UTC
+	 * @param (int) $id - id of the calendar
+	 * @return (string)
+	 */
+	private static function calendar($id){
+		$events = OC_Calendar_Object::all($id);
+		$return = "BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:ownCloud Calendar\n";
+		foreach($events as $event){
+			$object = OC_VObject::parse($event['calendardata']);
+			$dtstart = $object->VEVENT->DTSTART;
+			$start_dt = $dtstart->getDateTime();
+			$dtend = OC_Calendar_Object::getDTEndFromVEvent($object->VEVENT);
+			$end_dt = $dtend->getDateTime();
+			if($dtstart->getDateType() !== Sabre_VObject_Element_DateTime::DATE){
+				$start_dt->setTimezone(new DateTimeZone('UTC'));
+				$end_dt->setTimezone(new DateTimeZone('UTC'));
+				$object->VEVENT->setDateTime('DTSTART', $start_dt, Sabre_VObject_Property_DateTime::UTC);
+				$object->VEVENT->setDateTime('DTEND', $end_dt, Sabre_VObject_Property_DateTime::UTC);
+			}
+			$return .= $object->VEVENT->serialize();
+		}
+		$return .= "END:VCALENDAR";
+		return $return;
+	}
+}
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