server/apps/calendar/lib/calendar.php
2011-08-22 16:59:16 +02:00

296 lines
9.9 KiB
PHP

<?php
/**
* ownCloud - Calendar
*
* @author Jakob Sack
* @copyright 2011 Jakob Sack mail@jakobsack.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
*
* The following SQL statement is just a help for developers and will not be
* executed!
*
* CREATE TABLE calendar_objects (
* id INTEGER UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
* calendarid INTEGER UNSIGNED NOT NULL,
* objecttype VARCHAR(40) NOT NULL,
* startdate DATETIME,
* enddate DATETIME,
* repeating INT(1),
* summary VARCHAR(255),
* calendardata TEXT,
* uri VARCHAR(100),
* lastmodified INT(11)
* );
*
* CREATE TABLE calendar_calendars (
* id INTEGER UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
* userid VARCHAR(255),
* displayname VARCHAR(100),
* uri VARCHAR(100),
* ctag INTEGER UNSIGNED NOT NULL DEFAULT '0',
* description TEXT,
* calendarorder INTEGER UNSIGNED NOT NULL DEFAULT '0',
* calendarcolor VARCHAR(10),
* timezone TEXT,
* components VARCHAR(20)
* );
*/
/**
* This class manages our calendars
*/
class OC_Calendar_Calendar{
public static function allCalendars($uid){
$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_calendars WHERE userid = ?' );
$result = $stmt->execute(array($uid));
$calendars = array();
while( $row = $result->fetchRow()){
$calendars[] = $row;
}
return $calendars;
}
public static function allCalendarsWherePrincipalURIIs($principaluri){
$uid = self::extractUserID($principaluri);
return self::allCalendars($uid);
}
public static function findCalendar($id){
$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_calendars WHERE id = ?' );
$result = $stmt->execute(array($id));
return $result->fetchRow();
}
public static function addCalendar($userid,$name,$description,$components='VEVENT,VTODO',$timezone=null,$order=0,$color=null){
$all = self::allCalendars($userid);
$uris = array();
foreach($all as $i){
$uris[] = $i['uri'];
}
$uri = self::createURI($name, $uris );
$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_calendars (userid,displayname,uri,ctag,description,calendarorder,calendarcolor,timezone,components) VALUES(?,?,?,?,?,?,?,?,?)' );
$result = $stmt->execute(array($userid,$name,$uri,1,$description,$order,$color,$timezone,$components));
return OC_DB::insertid();
}
public static function addCalendarFromDAVData($principaluri,$uri,$name,$description,$components,$timezone,$order,$color){
$userid = self::extractUserID($principaluri);
$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_calendars (userid,displayname,uri,ctag,description,calendarorder,calendarcolor,timezone,components) VALUES(?,?,?,?,?,?,?,?,?)' );
$result = $stmt->execute(array($userid,$name,$uri,1,$description,$order,$color,$timezone,$components));
return OC_DB::insertid();
}
public static function editCalendar($id,$name=null,$description=null,$components=null,$timezone=null,$order=null,$color=null){
// Need these ones for checking uri
$calendar = self::find($id);
// Keep old stuff
if(is_null($name)) $name = $calendar['name'];
if(is_null($description)) $description = $calendar['description'];
if(is_null($components)) $components = $calendar['components'];
if(is_null($timezone)) $timezone = $calendar['timezone'];
if(is_null($order)) $order = $calendar['order'];
if(is_null($color)) $color = $calendar['color'];
$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_calendars SET displayname=?,description=?,calendarorder=?,calendarcolor=?,timezone=?,components=?,ctag=ctag+1 WHERE id=?' );
$result = $stmt->execute(array($name,$description,$order,$color,$timezone,$components,$id));
return true;
}
public static function touchCalendar($id){
$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_calendars SET ctag = ctag + 1 WHERE id = ?' );
$stmt->execute(array($id));
return true;
}
public static function deleteCalendar($id){
$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_calendars WHERE id = ?' );
$stmt->execute(array($id));
$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_objects WHERE calendarid = ?' );
$stmt->execute(array($id));
return true;
}
public static function allCalendarObjects($id){
$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_objects WHERE calendarid = ?' );
$result = $stmt->execute(array($id));
$calendarobjects = array();
while( $row = $result->fetchRow()){
$calendarobjects[] = $row;
}
return $calendarobjects;
}
public static function findCalendarObject($id){
$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_objects WHERE id = ?' );
$result = $stmt->execute(array($id));
return $result->fetchRow();
}
public static function findCalendarObjectWhereDAVDataIs($cid,$uri){
$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_objects WHERE calendarid = ? AND uri = ?' );
$result = $stmt->execute(array($cid,$uri));
return $result->fetchRow();
}
public static function addCalendarObject($id,$data){
$object = Sabre_VObject_Reader::read($data);
list($startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
$uri = null;
if(is_null($uri)){
$uid = self::createUID();
$object->add('UID',$uid);
$data = $object->serialize();
$uri = $uid.'.ics';
}
else{
$uri = $uid.'.ics';
}
$start = is_null($startdate)?null:$startdate->format('Y-m-d H:i:s');
$end = is_null($enddate)?null:$enddate->format('Y-m-d H:i:s');
$type = $object->name;
$time = time();
$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_objects (calendarid,objecttype,startdate,enddate,repeating,summary,calendardata,uri,lastmodified) VALUES(?,?,?,?,?,?,?,?,?)' );
$result = $stmt->execute(array($id,$type,$start,$end,$repeating,$summary,$data,$uri,$time));
self::touchCalendar($id);
return OC_DB::insertid();
}
public static function addCalendarObjectFromDAVData($id,$uri,$data){
$object = Sabre_VObject_Reader::read($data);
list($startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
$start = is_null($startdate)?null:$startdate->format('Y-m-d H:i:s');
$end = is_null($enddate)?null:$enddate->format('Y-m-d H:i:s');
$type = $object->name;
$time = time();
$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_objects (calendarid,objecttype,startdate,enddate,repeating,summary,calendardata,uri,lastmodified) VALUES(?,?,?,?,?,?,?,?,?)' );
// $result = $stmt->execute(array($id,$type,$start,$end,$repeating,$summary,$data,$uri,$time));
$result = $stmt->execute(array($id,$type,'2011-08-17 14:00:00','2011-08-17 15:00:00',0,'baum',$data,$uri,$time));
self::touchCalendar($id);
return OC_DB::insertid();
}
public static function editCalendarObject($id, $data){
$oldobject = self::findCard($id);
$object = Sabre_VObject_Reader::read($data);
list($startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_objects SET objecttype=?,startdate=?,enddate=?,repeating=?,summary=?,calendardata=?, lastmodified = ? WHERE id = ?' );
$result = $stmt->execute(array($object->name,(is_null($startdate)?null:$startdate->format('Y-m-d H:i:s')),(is_null($enddate)?null:$enddate->format('Y-m-d H:i:s')),$repeating,$summary,$data,time(),$id));
self::touchCalendar($id);
return true;
}
public static function editCalendarObjectFromDAVData($cid,$uri,$data){
$oldobject = self::findCardWhereDAVDataIs($cid,$uri);
$object = Sabre_VObject_Reader::read($data);
list($startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_objects SET objecttype=?,startdate=?,enddate=?,repeating=?,summary=?,calendardata=?, lastmodified = ? WHERE id = ?' );
$result = $stmt->execute(array($object->name,(is_null($startdate)?null:$startdate->format('Y-m-d H:i:s')),(is_null($enddate)?null:$enddate->format('Y-m-d H:i:s')),$repeating,$summary,$data,time(),$oldobject['id']));
self::touchCalendar($oldobject['calendarid']);
return true;
}
public static function deleteCalendarObject($id){
$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_objects WHERE id = ?' );
$stmt->execute(array($id));
return true;
}
public static function deleteCalendarObjectFromDAVData($cid,$uri){
$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_objects WHERE calendarid = ? AND uri=?' );
$stmt->execute(array($cid,$uri));
return true;
}
public static function createURI($name,$existing){
$name = strtolower($name);
$newname = $name;
$i = 1;
while(in_array($newname,$existing)){
$newname = $name.$i;
$i = $i + 1;
}
return $newname;
}
public static function createUID(){
return substr(md5(rand().time()),0,10);
}
public static function extractUserID($principaluri){
list($prefix,$userid) = Sabre_DAV_URLUtil::splitPath($principaluri);
return $userid;
}
protected static function extractData($object){
$return = array(null,null,'',false,null);
foreach($object->children as $property){
if($property->name == 'DTSTART'){
$return[0] = $property->getDateTime();
}
elseif($property->name == 'DTEND'){
$return[1] = $property->getDateTime();
}
elseif($property->name == 'SUMMARY'){
$return[2] = $property->value;
}
elseif($property->name == 'RRULE'){
$return[3] = true;
}
elseif($property->name == 'UID'){
$return[4] = $property->value;
}
}
return $return;
}
}