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<?php
namespace Sabre\CalDAV\Property;
use Sabre\CalDAV\SharingPlugin as SharingPlugin;
use Sabre\DAV;
use Sabre\CalDAV;
/**
* Invite property
*
* This property encodes the 'invite' property, as defined by
* the 'caldav-sharing-02' spec, in the http://calendarserver.org/ns/
* namespace.
*
* @see https://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Extensions/caldav-sharing-02.txt
* @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Invite extends DAV\Property {
/**
* The list of users a calendar has been shared to.
*
* @var array
*/
protected $users;
/**
* The organizer contains information about the person who shared the
* object.
*
* @var array
*/
protected $organizer;
/**
* Creates the property.
*
* Users is an array. Each element of the array has the following
* properties:
*
* * href - Often a mailto: address
* * commonName - Optional, for example a first and lastname for a user.
* * status - One of the SharingPlugin::STATUS_* constants.
* * readOnly - true or false
* * summary - Optional, description of the share
*
* The organizer key is optional to specify. It's only useful when a
* 'sharee' requests the sharing information.
*
* The organizer may have the following properties:
* * href - Often a mailto: address.
* * commonName - Optional human-readable name.
* * firstName - Optional first name.
* * lastName - Optional last name.
*
* If you wonder why these two structures are so different, I guess a
* valid answer is that the current spec is still a draft.
*
* @param array $users
*/
public function __construct(array $users, array $organizer = null) {
$this->users = $users;
$this->organizer = $organizer;
}
/**
* Returns the list of users, as it was passed to the constructor.
*
* @return array
*/
public function getValue() {
return $this->users;
}
/**
* Serializes the property in a DOMDocument
*
* @param DAV\Server $server
* @param \DOMElement $node
* @return void
*/
public function serialize(DAV\Server $server,\DOMElement $node) {
$doc = $node->ownerDocument;
if (!is_null($this->organizer)) {
$xorganizer = $doc->createElement('cs:organizer');
$href = $doc->createElement('d:href');
$href->appendChild($doc->createTextNode($this->organizer['href']));
$xorganizer->appendChild($href);
if (isset($this->organizer['commonName']) && $this->organizer['commonName']) {
$commonName = $doc->createElement('cs:common-name');
$commonName->appendChild($doc->createTextNode($this->organizer['commonName']));
$xorganizer->appendChild($commonName);
}
if (isset($this->organizer['firstName']) && $this->organizer['firstName']) {
$firstName = $doc->createElement('cs:first-name');
$firstName->appendChild($doc->createTextNode($this->organizer['firstName']));
$xorganizer->appendChild($firstName);
}
if (isset($this->organizer['lastName']) && $this->organizer['lastName']) {
$lastName = $doc->createElement('cs:last-name');
$lastName->appendChild($doc->createTextNode($this->organizer['lastName']));
$xorganizer->appendChild($lastName);
}
$node->appendChild($xorganizer);
}
foreach($this->users as $user) {
$xuser = $doc->createElement('cs:user');
$href = $doc->createElement('d:href');
$href->appendChild($doc->createTextNode($user['href']));
$xuser->appendChild($href);
if (isset($user['commonName']) && $user['commonName']) {
$commonName = $doc->createElement('cs:common-name');
$commonName->appendChild($doc->createTextNode($user['commonName']));
$xuser->appendChild($commonName);
}
switch($user['status']) {
case SharingPlugin::STATUS_ACCEPTED :
$status = $doc->createElement('cs:invite-accepted');
$xuser->appendChild($status);
break;
case SharingPlugin::STATUS_DECLINED :
$status = $doc->createElement('cs:invite-declined');
$xuser->appendChild($status);
break;
case SharingPlugin::STATUS_NORESPONSE :
$status = $doc->createElement('cs:invite-noresponse');
$xuser->appendChild($status);
break;
case SharingPlugin::STATUS_INVALID :
$status = $doc->createElement('cs:invite-invalid');
$xuser->appendChild($status);
break;
}
$xaccess = $doc->createElement('cs:access');
if ($user['readOnly']) {
$xaccess->appendChild(
$doc->createElement('cs:read')
);
} else {
$xaccess->appendChild(
$doc->createElement('cs:read-write')
);
}
$xuser->appendChild($xaccess);
if (isset($user['summary']) && $user['summary']) {
$summary = $doc->createElement('cs:summary');
$summary->appendChild($doc->createTextNode($user['summary']));
$xuser->appendChild($summary);
}
$node->appendChild($xuser);
}
}
/**
* Unserializes the property.
*
* This static method should return a an instance of this object.
*
* @param \DOMElement $prop
* @return DAV\IProperty
*/
static function unserialize(\DOMElement $prop) {
$xpath = new \DOMXPath($prop->ownerDocument);
$xpath->registerNamespace('cs', CalDAV\Plugin::NS_CALENDARSERVER);
$xpath->registerNamespace('d', 'urn:DAV');
$users = array();
foreach($xpath->query('cs:user', $prop) as $user) {
$status = null;
if ($xpath->evaluate('boolean(cs:invite-accepted)', $user)) {
$status = SharingPlugin::STATUS_ACCEPTED;
} elseif ($xpath->evaluate('boolean(cs:invite-declined)', $user)) {
$status = SharingPlugin::STATUS_DECLINED;
} elseif ($xpath->evaluate('boolean(cs:invite-noresponse)', $user)) {
$status = SharingPlugin::STATUS_NORESPONSE;
} elseif ($xpath->evaluate('boolean(cs:invite-invalid)', $user)) {
$status = SharingPlugin::STATUS_INVALID;
} else {
throw new DAV\Exception('Every cs:user property must have one of cs:invite-accepted, cs:invite-declined, cs:invite-noresponse or cs:invite-invalid');
}
$users[] = array(
'href' => $xpath->evaluate('string(d:href)', $user),
'commonName' => $xpath->evaluate('string(cs:common-name)', $user),
'readOnly' => $xpath->evaluate('boolean(cs:access/cs:read)', $user),
'summary' => $xpath->evaluate('string(cs:summary)', $user),
'status' => $status,
);
}
return new self($users);
}
}
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