340 lines
11 KiB
PHP
340 lines
11 KiB
PHP
<?php
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/**
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* ownCloud - Calendar
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*
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* @author Jakob Sack
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* @copyright 2011 Jakob Sack mail@jakobsack.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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*
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* The following SQL statement is just a help for developers and will not be
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* executed!
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*
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* CREATE TABLE calendar_objects (
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* id INTEGER UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
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* calendarid INTEGER UNSIGNED NOT NULL,
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* objecttype VARCHAR(40) NOT NULL,
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* startdate DATETIME,
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* enddate DATETIME,
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* repeating INT(1),
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* summary VARCHAR(255),
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* calendardata TEXT,
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* uri VARCHAR(100),
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* lastmodified INT(11)
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* );
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*
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* CREATE TABLE calendar_calendars (
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* id INTEGER UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
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* userid VARCHAR(255),
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* displayname VARCHAR(100),
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* uri VARCHAR(100),
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* ctag INTEGER UNSIGNED NOT NULL DEFAULT '0',
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* description TEXT,
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* calendarorder INTEGER UNSIGNED NOT NULL DEFAULT '0',
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* calendarcolor VARCHAR(10),
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* timezone TEXT,
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* components VARCHAR(20)
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* );
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*/
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/**
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* This class manages our calendars
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*/
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class OC_Calendar_Calendar{
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public static function allCalendars($uid){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_calendars WHERE userid = ?' );
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$result = $stmt->execute(array($uid));
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$calendars = array();
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while( $row = $result->fetchRow()){
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$calendars[] = $row;
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}
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return $calendars;
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}
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public static function allCalendarsWherePrincipalURIIs($principaluri){
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$uid = self::extractUserID($principaluri);
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return self::allCalendars($uid);
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}
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public static function findCalendar($id){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_calendars WHERE id = ?' );
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$result = $stmt->execute(array($id));
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return $result->fetchRow();
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}
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public static function addCalendar($userid,$name,$description,$components='VEVENT,VTODO,VJOURNAL',$timezone=null,$order=0,$color=null){
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$all = self::allCalendars($userid);
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$uris = array();
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foreach($all as $i){
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$uris[] = $i['uri'];
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}
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$uri = self::createURI($name, $uris );
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$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_calendars (userid,displayname,uri,ctag,description,calendarorder,calendarcolor,timezone,components) VALUES(?,?,?,?,?,?,?,?,?)' );
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$result = $stmt->execute(array($userid,$name,$uri,1,$description,$order,$color,$timezone,$components));
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return OC_DB::insertid();
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}
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public static function addCalendarFromDAVData($principaluri,$uri,$name,$description,$components,$timezone,$order,$color){
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$userid = self::extractUserID($principaluri);
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$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_calendars (userid,displayname,uri,ctag,description,calendarorder,calendarcolor,timezone,components) VALUES(?,?,?,?,?,?,?,?,?)' );
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$result = $stmt->execute(array($userid,$name,$uri,1,$description,$order,$color,$timezone,$components));
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return OC_DB::insertid();
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}
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public static function editCalendar($id,$name=null,$description=null,$components=null,$timezone=null,$order=null,$color=null){
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// Need these ones for checking uri
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$calendar = self::find($id);
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// Keep old stuff
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if(is_null($name)) $name = $calendar['name'];
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if(is_null($description)) $description = $calendar['description'];
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if(is_null($components)) $components = $calendar['components'];
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if(is_null($timezone)) $timezone = $calendar['timezone'];
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if(is_null($order)) $order = $calendar['order'];
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if(is_null($color)) $color = $calendar['color'];
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_calendars SET displayname=?,description=?,calendarorder=?,calendarcolor=?,timezone=?,components=?,ctag=ctag+1 WHERE id=?' );
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$result = $stmt->execute(array($name,$description,$order,$color,$timezone,$components,$id));
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return true;
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}
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public static function touchCalendar($id){
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_calendars SET ctag = ctag + 1 WHERE id = ?' );
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$stmt->execute(array($id));
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return true;
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}
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public static function deleteCalendar($id){
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$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_calendars WHERE id = ?' );
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$stmt->execute(array($id));
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$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_objects WHERE calendarid = ?' );
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$stmt->execute(array($id));
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return true;
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}
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public static function allCalendarObjects($id){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_objects WHERE calendarid = ?' );
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$result = $stmt->execute(array($id));
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$calendarobjects = array();
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while( $row = $result->fetchRow()){
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$calendarobjects[] = $row;
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}
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return $calendarobjects;
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}
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public static function findCalendarObject($id){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_objects WHERE id = ?' );
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$result = $stmt->execute(array($id));
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return $result->fetchRow();
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}
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public static function findCalendarObjectWhereDAVDataIs($cid,$uri){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_objects WHERE calendarid = ? AND uri = ?' );
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$result = $stmt->execute(array($cid,$uri));
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return $result->fetchRow();
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}
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public static function addCalendarObject($id,$data){
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$object = Sabre_VObject_Reader::read($data);
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list($type,$startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
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if(is_null($uid)){
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$uid = self::createUID();
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$object->add('UID',$uid);
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$data = $object->serialize();
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}
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$uri = 'owncloud-'.md5($data.rand().time()).'.ics';
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$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_objects (calendarid,objecttype,startdate,enddate,repeating,summary,calendardata,uri,lastmodified) VALUES(?,?,?,?,?,?,?,?,?)' );
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$result = $stmt->execute(array($id,$type,$startdate,$enddate,$repeating,$summary,$data,$uri,time()));
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self::touchCalendar($id);
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return OC_DB::insertid();
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}
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public static function addCalendarObjectFromDAVData($id,$uri,$data){
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$object = Sabre_VObject_Reader::read($data);
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list($type,$startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
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$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*calendar_objects (calendarid,objecttype,startdate,enddate,repeating,summary,calendardata,uri,lastmodified) VALUES(?,?,?,?,?,?,?,?,?)' );
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$result = $stmt->execute(array($id,$type,$startdate,$enddate,$repeating,$summary,$data,$uri,time()));
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self::touchCalendar($id);
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return OC_DB::insertid();
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}
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public static function editCalendarObject($id, $data){
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$oldobject = self::findCard($id);
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$object = Sabre_VObject_Reader::read($data);
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list($type,$startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_objects SET objecttype=?,startdate=?,enddate=?,repeating=?,summary=?,calendardata=?, lastmodified = ? WHERE id = ?' );
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$result = $stmt->execute(array($type,$startdate,$enddate,$repeating,$summary,$data,time(),$id));
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self::touchCalendar($id);
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return true;
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}
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public static function editCalendarObjectFromDAVData($cid,$uri,$data){
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$oldobject = self::findCardWhereDAVDataIs($cid,$uri);
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$object = Sabre_VObject_Reader::read($data);
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list($type,$startdate,$enddate,$summary,$repeating,$uid) = self::extractData($object);
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_objects SET objecttype=?,startdate=?,enddate=?,repeating=?,summary=?,calendardata=?, lastmodified = ? WHERE id = ?' );
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$result = $stmt->execute(array($type,$startdate,$enddate,$repeating,$summary,$data,time(),$oldobject['id']));
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self::touchCalendar($oldobject['calendarid']);
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return true;
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}
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public static function deleteCalendarObject($id){
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$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_objects WHERE id = ?' );
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$stmt->execute(array($id));
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return true;
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}
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public static function deleteCalendarObjectFromDAVData($cid,$uri){
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$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*calendar_objects WHERE calendarid = ? AND uri=?' );
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$stmt->execute(array($cid,$uri));
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return true;
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}
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public static function createURI($name,$existing){
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$name = strtolower($name);
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$newname = $name;
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$i = 1;
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while(in_array($newname,$existing)){
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$newname = $name.$i;
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$i = $i + 1;
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}
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return $newname;
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}
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public static function createUID(){
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return substr(md5(rand().time()),0,10);
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}
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public static function extractUserID($principaluri){
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list($prefix,$userid) = Sabre_DAV_URLUtil::splitPath($principaluri);
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return $userid;
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}
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protected static function extractData($object){
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$return = array('',null,null,'',0,null);
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// Child to use
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$children = 0;
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$use = null;
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foreach($object->children as &$property){
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if($property->name == 'VEVENT'){
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$children++;
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$thisone = true;
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foreach($property->children as &$element){
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if($element->name == 'RECURRENCE-ID'){
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$thisone = false;
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}
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} unset($element);
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if($thisone){
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$use = $property;
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}
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}
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elseif($property->name == 'VTODO' || $property->name == 'VJOURNAL'){
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$return[0] = $use->name;
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foreach($property->children as &$element){
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if($property->name == 'SUMMARY'){
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$return[3] = $property->value;
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}
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elseif($property->name == 'UID'){
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$return[5] = $property->value;
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}
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};
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// Only one VTODO or VJOURNAL per object
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// (only one UID per object but a UID is required by a VTODO =>
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// one VTODO per object)
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break;
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}
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} unset($property);
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// find the data
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if(!is_null($use)){
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$return[0] = $use->name;
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foreach($use->children as &$property){
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if($property->name == 'DTSTART'){
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$return[1] = self::getUTCforMDB($property->getDateTime());
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}
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elseif($property->name == 'DTEND'){
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$return[2] = self::getUTCforMDB($property->getDateTime());
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}
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elseif($property->name == 'SUMMARY'){
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$return[3] = $property->value;
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}
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elseif($property->name == 'RRULE'){
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$return[4] = 1;
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}
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elseif($property->name == 'UID'){
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$return[5] = $property->value;
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}
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} unset($property);
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}
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// More than one child means reoccuring!
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if($children > 1){
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$return[4] = 1;
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}
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return $return;
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}
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/**
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* @brief DateTime to UTC string
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* @param DateTime $datetime The date to convert
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* @returns date as YYYY-MM-DD hh:mm
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*
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* This function creates a date string that can be used by MDB2.
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* Furthermore it converts the time to UTC.
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*/
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protected static function getUTCforMDB($datetime){
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return date('Y-m-d H:i', $datetime->format('U') - $datetime->getOffset());
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}
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}
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