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<?php
declare(strict_types=1);
namespace Sabre\CardDAV\Backend;
/**
* CardDAV Backend Interface.
*
* Any CardDAV backend must implement this interface.
*
* Note that there are references to 'addressBookId' scattered throughout the
* class. The value of the addressBookId is completely up to you, it can be any
* arbitrary value you can use as an unique identifier.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
interface BackendInterface
{
/**
* Returns the list of addressbooks for a specific user.
*
* Every addressbook should have the following properties:
* id - an arbitrary unique id
* uri - the 'basename' part of the url
* principaluri - Same as the passed parameter
*
* Any additional clark-notation property may be passed besides this. Some
* common ones are :
* {DAV:}displayname
* {urn:ietf:params:xml:ns:carddav}addressbook-description
* {http://calendarserver.org/ns/}getctag
*
* @param string $principalUri
*
* @return array
*/
public function getAddressBooksForUser($principalUri);
/**
* Updates properties for an address book.
*
* The list of mutations is stored in a Sabre\DAV\PropPatch object.
* To do the actual updates, you must tell this object which properties
* you're going to process with the handle() method.
*
* Calling the handle method is like telling the PropPatch object "I
* promise I can handle updating this property".
*
* Read the PropPatch documentation for more info and examples.
*
* @param string $addressBookId
* @param \Sabre\DAV\PropPatch $propPatch
*/
public function updateAddressBook($addressBookId, \Sabre\DAV\PropPatch $propPatch);
/**
* Creates a new address book.
*
* This method should return the id of the new address book. The id can be
* in any format, including ints, strings, arrays or objects.
*
* @param string $principalUri
* @param string $url just the 'basename' of the url
* @param array $properties
*
* @return mixed
*/
public function createAddressBook($principalUri, $url, array $properties);
/**
* Deletes an entire addressbook and all its contents.
*
* @param mixed $addressBookId
*/
public function deleteAddressBook($addressBookId);
/**
* Returns all cards for a specific addressbook id.
*
* This method should return the following properties for each card:
* * carddata - raw vcard data
* * uri - Some unique url
* * lastmodified - A unix timestamp
*
* It's recommended to also return the following properties:
* * etag - A unique etag. This must change every time the card changes.
* * size - The size of the card in bytes.
*
* If these last two properties are provided, less time will be spent
* calculating them. If they are specified, you can also ommit carddata.
* This may speed up certain requests, especially with large cards.
*
* @param mixed $addressbookId
*
* @return array
*/
public function getCards($addressbookId);
/**
* Returns a specfic card.
*
* The same set of properties must be returned as with getCards. The only
* exception is that 'carddata' is absolutely required.
*
* If the card does not exist, you must return false.
*
* @param mixed $addressBookId
* @param string $cardUri
*
* @return array
*/
public function getCard($addressBookId, $cardUri);
/**
* Returns a list of cards.
*
* This method should work identical to getCard, but instead return all the
* cards in the list as an array.
*
* If the backend supports this, it may allow for some speed-ups.
*
* @param mixed $addressBookId
* @param array $uris
*
* @return array
*/
public function getMultipleCards($addressBookId, array $uris);
/**
* Creates a new card.
*
* The addressbook id will be passed as the first argument. This is the
* same id as it is returned from the getAddressBooksForUser method.
*
* The cardUri is a base uri, and doesn't include the full path. The
* cardData argument is the vcard body, and is passed as a string.
*
* It is possible to return an ETag from this method. This ETag is for the
* newly created resource, and must be enclosed with double quotes (that
* is, the string itself must contain the double quotes).
*
* You should only return the ETag if you store the carddata as-is. If a
* subsequent GET request on the same card does not have the same body,
* byte-by-byte and you did return an ETag here, clients tend to get
* confused.
*
* If you don't return an ETag, you can just return null.
*
* @param mixed $addressBookId
* @param string $cardUri
* @param string $cardData
*
* @return string|null
*/
public function createCard($addressBookId, $cardUri, $cardData);
/**
* Updates a card.
*
* The addressbook id will be passed as the first argument. This is the
* same id as it is returned from the getAddressBooksForUser method.
*
* The cardUri is a base uri, and doesn't include the full path. The
* cardData argument is the vcard body, and is passed as a string.
*
* It is possible to return an ETag from this method. This ETag should
* match that of the updated resource, and must be enclosed with double
* quotes (that is: the string itself must contain the actual quotes).
*
* You should only return the ETag if you store the carddata as-is. If a
* subsequent GET request on the same card does not have the same body,
* byte-by-byte and you did return an ETag here, clients tend to get
* confused.
*
* If you don't return an ETag, you can just return null.
*
* @param mixed $addressBookId
* @param string $cardUri
* @param string $cardData
*
* @return string|null
*/
public function updateCard($addressBookId, $cardUri, $cardData);
/**
* Deletes a card.
*
* @param mixed $addressBookId
* @param string $cardUri
*
* @return bool
*/
public function deleteCard($addressBookId, $cardUri);
}
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