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OwncloudContactsOfficial/lib/addressbook.php
2013-05-31 21:32:45 +02:00

313 lines
8.3 KiB
PHP

<?php
/**
* ownCloud - Addressbook
*
* @author Thomas Tanghus
* @copyright 2013 Thomas Tanghus (thomas@tanghus.net)
*
* 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/>.
*
*/
namespace OCA\Contacts;
/**
* This class manages our addressbooks.
*/
class Addressbook extends AbstractPIMCollection {
/**
* @brief language object
*
* @var OC_L10N
*/
public static $l10n;
protected $_count;
/**
* @var Backend\AbstractBackend
*/
protected $backend;
/**
* An array containing the mandatory:
* 'displayname'
* 'discription'
* 'permissions'
*
* And the optional:
* 'Etag'
* 'lastModified'
*
* @var array
*/
protected $addressBookInfo;
/**
* @param AbstractBackend $backend The storage backend
* @param array $addressBookInfo
*/
public function __construct(Backend\AbstractBackend $backend, array $addressBookInfo) {
self::$l10n = \OC_L10N::get('contacts');
$this->backend = $backend;
$this->addressBookInfo = $addressBookInfo;
if(is_null($this->getId())) {
$id = $this->backend->createAddressBook($addressBookInfo);
if($id === false) {
throw new \Exception('Error creating address book.', 500);
}
$this->addressBookInfo = $this->backend->getAddressBook($id);
//print(__METHOD__. ' '. __LINE__ . ' addressBookInfo: ' . print_r($this->backend->getAddressBook($id), true));
}
//\OCP\Util::writeLog('contacts', __METHOD__.' backend: ' . print_r($this->backend, true), \OCP\Util::DEBUG);
}
/**
* @return string|null
*/
public function getId() {
return isset($this->addressBookInfo['id'])
? $this->addressBookInfo['id']
: null;
}
/**
* @return array
*/
public function getMetaData() {
$metadata = $this->addressBookInfo;
$metadata['lastmodified'] = $this->lastModified();
$metadata['backend'] = $this->getBackend()->name;
return $metadata;
}
/**
* @return string
*/
public function getDisplayName() {
return $this->addressBookInfo['displayname'];
}
/**
* @return string
*/
public function getURI() {
return $this->addressBookInfo['uri'];
}
/**
* @return string
*/
public function getOwner() {
return $this->addressBookInfo['owner'];
}
/**
* Returns the lowest permission of what the backend allows and what it supports.
* @return int
*/
public function getPermissions() {
return $this->addressBookInfo['permissions'];
//return min($this->addressBookInfo['permissions'], $this->backend->getAddressBookPermissions());
}
/**
* Returns a specific child node, referenced by its id
*
* @param string $id
* @return Contact|null
*/
public function getChild($id) {
//\OCP\Util::writeLog('contacts', __METHOD__.' id: '.$id, \OCP\Util::DEBUG);
if(!$this->hasPermission(\OCP\PERMISSION_READ)) {
throw new \Exception(self::$l10n->t('You do not have permissions to see this contacts'), 403);
}
if(!isset($this->objects[$id])) {
$contact = $this->backend->getContact($this->getId(), $id);
if($contact) {
$this->objects[$id] = new Contact($this, $this->backend, $contact);
}
}
// When requesting a single contact we preparse it
if(isset($this->objects[$id])) {
$this->objects[$id]->retrieve();
return $this->objects[$id];
}
}
/**
* Checks if a child-node with the specified id exists
*
* @param string $id
* @return bool
*/
public function childExists($id) {
return ($this->getChild($id) !== null);
}
/**
* Returns an array with all the child nodes
*
* @return Contact[]
*/
public function getChildren($limit = null, $offset = null, $omitdata = false) {
if(!$this->hasPermission(\OCP\PERMISSION_READ)) {
throw new \Exception(self::$l10n->t('You do not have permissions to see these contacts'), 403);
}
$contacts = array();
foreach($this->backend->getContacts($this->getId(), $limit, $offset, $omitdata) as $contact) {
//\OCP\Util::writeLog('contacts', __METHOD__.' id: '.$contact['id'], \OCP\Util::DEBUG);
if(!isset($this->objects[$contact['id']])) {
$this->objects[$contact['id']] = new Contact($this, $this->backend, $contact);
}
$contacts[] = $this->objects[$contact['id']];
}
//\OCP\Util::writeLog('contacts', __METHOD__.' children: '.count($contacts), \OCP\Util::DEBUG);
return $contacts;
}
/**
* Add a contact to the address book
* This takes an array or a VCard|Contact and return
* the ID or false.
*
* @param array|VObject\VCard $data
* @return int|bool
*/
public function addChild($data = null) {
if(!$this->hasPermission(\OCP\PERMISSION_CREATE)) {
throw new \Exception(self::$l10n->t('You do not have permissions add contacts to the address book'), 403);
}
if(!$this->getBackend()->hasContactMethodFor(\OCP\PERMISSION_CREATE)) {
throw new \Exception(self::$l10n->t('The backend for this address book does not support adding contacts'), 501);
}
$contact = new Contact($this, $this->backend, $data);
if($contact->save() === false) {
return false;
}
$id = $contact->getId();
if($this->count() !== null) {
$this->_count += 1;
}
\OCP\Util::writeLog('contacts', __METHOD__.' id: '.$id, \OCP\Util::DEBUG);
return $id;
}
/**
* Delete a contact from the address book
*
* @param string $id
* @return bool
*/
public function deleteChild($id) {
if(!$this->hasPermission(\OCP\PERMISSION_DELETE)) {
throw new \Exception(self::$l10n->t('You do not have permissions to delete this contact'), 403);
}
if(!$this->getBackend()->hasContactMethodFor(\OCP\PERMISSION_DELETE)) {
throw new \Exception(self::$l10n->t('The backend for this address book does not support deleting contacts'), 501);
}
if($this->backend->deleteContact($this->getId(), $id)) {
if(isset($this->objects[$id])) {
unset($this->objects[$id]);
}
if($this->count() !== null) {
$this->_count -= 1;
}
return true;
}
return false;
}
/**
* @internal implements Countable
* @return int|null
*/
public function count() {
if(!isset($this->_count)) {
$this->_count = $this->backend->numContacts($this->getId());
}
return $this->_count;
}
/**
* Update and save the address book data to backend
* NOTE: @see IPIMObject::update for consistency considerations.
*
* @param array $data
* @return bool
*/
public function update(array $data) {
if(!$this->hasPermission(\OCP\PERMISSION_UPDATE)) {
throw new \Exception('Access denied');
}
if(!$this->getBackend()->hasContactMethodFor(\OCP\PERMISSION_UPDATE)) {
throw new \Exception(self::$l10n->t('The backend for this address book does not support updating'), 501);
}
if(count($data) === 0) {
return false;
}
foreach($data as $key => $value) {
switch($key) {
case 'displayname':
$this->addressBookInfo['displayname'] = $value;
break;
case 'description':
$this->addressBookInfo['description'] = $value;
break;
}
}
return $this->backend->updateAddressBook($this->getId(), $data);
}
/**
* Save the address book data to backend
* NOTE: @see IPIMObject::update for consistency considerations.
*
* @return bool
*/
public function save() {
if(!$this->hasPermission(OCP\PERMISSION_UPDATE)) {
throw new Exception(self::$l10n->t('You don\'t have permissions to update the address book.'), 403);
}
}
/**
* Delete the address book from backend
*
* @return bool
*/
public function delete() {
if(!$this->hasPermission(OCP\PERMISSION_DELETE)) {
throw new Exception(self::$l10n->t('You don\'t have permissions to delete the address book.'), 403);
}
return $this->backend->deleteAddressBook($this->getId());
}
/**
* @brief Get the last modification time for the object.
*
* Must return a UNIX time stamp or null if the backend
* doesn't support it.
*
* @returns int | null
*/
public function lastModified() {
return $this->backend->lastModifiedAddressBook($this->getId());
}
}