nextcloud/apps/calendar/lib/calendar.php

237 lines
6.9 KiB
PHP

<?php
/**
* Copyright (c) 2011 Jakob Sack <mail@jakobsack.de>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
/*
*
* 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),
* active INTEGER UNSIGNED NOT NULL DEFAULT '0',
* 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{
/**
* @brief Returns the list of calendars for a specific user.
* @param string $uid User ID
* @param boolean $active
* @return array
*
* TODO: what is active for?
*/
public static function allCalendars($uid, $active=null){
$values = array($uid);
$active_where = '';
if (!is_null($active) && $active){
$active_where = ' AND active = ?';
$values[] = $active;
}
$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_calendars WHERE userid = ?' . $active_where );
$result = $stmt->execute($values);
$calendars = array();
while( $row = $result->fetchRow()){
$calendars[] = $row;
}
return $calendars;
}
/**
* @brief Returns the list of calendars for a principal (DAV term of user)
* @param string $principaluri
* @return array
*/
public static function allCalendarsWherePrincipalURIIs($principaluri){
$uid = self::extractUserID($principaluri);
return self::allCalendars($uid);
}
/**
* @brief Gets the data of one calendar
* @param integer $id
* @return associative array
*/
public static function findCalendar($id){
$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*calendar_calendars WHERE id = ?' );
$result = $stmt->execute(array($id));
return $result->fetchRow();
}
/**
* @brief Creates a new calendar
* @param string $userid
* @param string $name
* @param string $description
* @param string $components Default: "VEVENT,VTODO,VJOURNAL"
* @param string $timezone Default: null
* @param integer $order Default: 1
* @param string $color Default: null
* @return insertid
*/
public static function addCalendar($userid,$name,$description,$components='VEVENT,VTODO,VJOURNAL',$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();
}
/**
* @brief Creates a new calendar from the data sabredav provides
* @param string $principaluri
* @param string $uri
* @param string $name
* @param string $description
* @param string $components
* @param string $timezone
* @param integer $order
* @param string $color
* @return insertid
*/
public static function addCalendarFromDAVData($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();
}
/**
* @brief Edits a calendar
* @param integer $id
* @param string $name Default: null
* @param string $description Default: null
* @param string $components Default: null
* @param string $timezone Default: null
* @param integer $order Default: null
* @param string $color Default: null
* @return boolean
*
* Values not null will be set
*/
public static function editCalendar($id,$name=null,$description=null,$components=null,$timezone=null,$order=null,$color=null){
// Need these ones for checking uri
$calendar = self::findCalendar($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 = $calendar['calendarorder'];
if(is_null($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;
}
/**
* @brief Sets a calendar (in)active
* @param integer $id
* @param boolean $active
* @return boolean
*/
public static function setCalendarActive($id,$active){
$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_calendars SET active = ? WHERE id = ?' );
$stmt->execute(array($active, $id));
return true;
}
/**
* @brief Updates ctag for calendar
* @param integer $id
* @return boolean
*/
public static function touchCalendar($id){
$stmt = OC_DB::prepare( 'UPDATE *PREFIX*calendar_calendars SET ctag = ctag + 1 WHERE id = ?' );
$stmt->execute(array($id));
return true;
}
/**
* @brief removes a calendar
* @param integer $id
* @return boolean
*/
public static function deleteCalendar($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;
}
/**
* @brief Creates a URI for Calendar
* @param string $name name of the calendar
* @param array $existing existing calendar URIs
* @return string uri
*/
public static function createURI($name,$existing){
$name = strtolower($name);
$newname = $name;
$i = 1;
while(in_array($newname,$existing)){
$newname = $name.$i;
$i = $i + 1;
}
return $newname;
}
/**
* @brief gets the userid from a principal path
* @return string
*/
public static function extractUserID($principaluri){
list($prefix,$userid) = Sabre_DAV_URLUtil::splitPath($principaluri);
return $userid;
}
}