1
0
mirror of https://github.com/owncloudarchive/contacts.git synced 2024-12-01 13:24:10 +01:00
OwncloudContactsOfficial/lib/backend/owncloudusers.php
2014-04-02 18:54:14 +02:00

317 lines
10 KiB
PHP

<?php
namespace OCA\Contacts\Backend;
use OCA\Contacts\Contact,
OCA\Contacts\VObject\VCard,
OCA\Contacts\Utils\Properties,
Sabre\VObject\Reader,
OCA\Contacts\Addressbook;
/**
* Contact backend for storing all the ownCloud users in this installation.
* Every user has *1* personal addressbook. The id of this addresbook is the
* userid of the owner.
*/
class OwnCloudUsers extends AbstractBackend {
public $name = 'OwnCloudUsers';
/**
* The table that holds the address books.
* For every user there is *1* addressbook.
* @var string
*/
private $addressBooksTableName = '*PREFIX*contacts_ocu_addressbooks';
/**
* The table that holds the contacts.
* @var string
*/
private $cardsTableName = '*PREFIX*contacts_ocu_cards';
public function __construct($userid){
$this->userid = $userid ? $userid : \OCP\User::getUser();
}
/**
* {@inheritdoc}
*/
public function getAddressBooksForUser(array $options = array()) {
// Only 1 addressbook for every user
$sql = 'SELECT * FROM ' . $this->addressBooksTableName . ' WHERE id = ?';
$args = array($this->userid);
$query = \OCP\DB::prepare($sql);
$result = $query->execute($args);
$row = $result->fetchRow();
if(!$row){ // TODO -> better way?
// Create new addressbook
$sql = 'INSERT INTO ' . $this->addressBooksTableName
. ' ( '
. 'id, '
. 'displayname, '
//. 'uri, ' TODO
. 'description, '
//. 'ctag, '
. 'active '
. ') VALUES ( '
. '?, '
. '?, '
. '?, '
. '? '
. ')';
$args = array(
$this->userid,
'ownCloud Users',
'ownCloud Users',
1
);
$query = \OCP\DB::prepare($sql);
$query->execute($args);
return $this->getAddressBooksForUser();
} else {
$row['permissions'] = \OCP\PERMISSION_ALL;
return array($row);
}
}
/**
* {@inheritdoc}
* Only 1 addressbook for every user
*/
public function getAddressBook($addressBookId, array $options = array()) {
$sql = 'SELECT * FROM ' . $this->addressBooksTableName . ' WHERE id = ?';
$args = array($addressBookId);
$query = \OCP\DB::prepare($sql);
$result = $query->execute($args);
$row = $result->fetchRow();
$row['permissions'] = \OCP\PERMISSION_ALL;
$row['backend'] = $this->name;
return array($row);
}
/**
* {@inheritdoc}
* There are as many contacts in this addressbook as in this ownCloud installation
*/
public function getContacts($addressbookid, array $options = array()){
$contacts = array();
$sql = 'SELECT * FROM ' . $this->cardsTableName . ' WHERE owner = ?';
$query = \OCP\DB::prepare($sql);
$result = $query->execute(array($this->userid));
while($row = $result->fetchRow()){
$row['permissions'] = \OCP\PERMISSION_ALL;
$contacts[] = $row;
}
$contactsId = array();
foreach($contacts as $contact){
$contactsId[] = $contact['id'];
}
$users = \OCP\User::getUsers();
$recall = false;
$add = array_diff($users, $contactsId);
$remove = array_diff($contactsId, $users);
if(count($add) > 0){
$this->addContacts($add, $addressbookid);
$recall = true;
}
if(count($remove) > 0){
$this->removeContacts($remove, $addressbookid);
$recall = true;
}
if($recall === true){
return $this->getContacts($addressbookid);
} else {
return $contacts;
}
}
/**
* {@inheritdoc}
* If your username is "admin" and you want to retrieve your own contact
* the params would be: $addressbookid = 'admin'; $id = 'admin';
* If your username is 'foo' and you want to retrieve the contact with
* ownCloud username 'bar' the params would be: $addressbookid = 'foo'; $id = 'bar';
*/
public function getContact($addressbookid, $id, array $options = array()){
$sql = 'SELECT * FROM ' . $this->cardsTableName . ' WHERE owner = ?';
$query = \OCP\DB::prepare($sql);
$result = $query->execute(array($this->userid));
$row = $result->fetchRow();
$row['permissions'] = \OCP\PERMISSION_ALL;
return $row;
}
// Not needed since there is only one addressbook for every user
public function createAddressBook(array $properties) {
}
/**
* Help function to add contacts to an addressbook.
* This only happens when an admin creates new users
* @param array $contacts array with userid of ownCloud users
* @param string $addressBookId
* @return bool
*/
private function addContacts($contacts, $addressbookid){
foreach($contacts as $user){
$sql = 'INSERT INTO ' . $this->cardsTableName . ' ('
. 'id, '
. 'owner,'
. 'addressbookid, '
. 'fullname, '
. 'carddata, '
. 'uri, '
. 'lastmodified'
. ') VALUES ('
. '?,'
. '?,'
. '?,'
. '?,'
. '?,'
. '?,'
. '?'
. ')';
$query = \OCP\DB::prepare($sql);
$contact = new Contact(
$addressBook = new AddressBook($this , $this->getAddressBooksForUser()), // since there is only one addressbook with OC users for each OC user we can use this function
$this,
array(
"id" => $user,
"lastmodified" => time(),
"displayname" => \OCP\User::getDisplayName($user),
"fullname" => \OCP\User::getDisplayName($user)
)
);
$carddata = $this->generateCardData($contact);
$result = $query->execute(array($user, $this->userid, $addressbookid, \OCP\User::getDisplayName($user), $carddata->serialize(), 'test', time()));
// TODO Check if $result succeeded
}
}
/**
* Help function to remove contacts from an addressbook.
* This only happens when an admin remove an ownCloud user
* @param array $contacts array with userid of ownCloud users
* @param string $addressBookId
* @return bool
*/
private function removeContacts($contacts, $addressbookid){
foreach($contacts as $user){
$sql = 'DELETE FROM ' . $this->cardsTableName . ' WHERE owner = ? AND id = ?';
$query = \OCP\DB::prepare($sql);
$result = $query->execute(array($this->userid, $user));
// TODO Check if $result succeeded
}
}
/**
* Help function to generate the carddate which than can be stored in the db
* @param string|VCard $data
* @return Vcard
*/
private function generateCardData($data){
if (!$data instanceof VCard) {
try {
$data = Reader::read($data);
} catch(\Exception $e) {
\OCP\Util::writeLog('contacts', __METHOD__.', exception: '.$e->getMessage(), \OCP\Util::ERROR);
return false;
}
}
try {
$data->validate(VCard::REPAIR|VCard::UPGRADE);
} catch (\Exception $e) {
\OCP\Util::writeLog('contacts', __METHOD__ . ' ' .
'Error validating vcard: ' . $e->getMessage(), \OCP\Util::ERROR);
return false;
}
$now = new \DateTime;
$data->REV = $now->format(\DateTime::W3C);
$appinfo = \OCP\App::getAppInfo('contacts');
$appversion = \OCP\App::getAppVersion('contacts');
$prodid = '-//ownCloud//NONSGML ' . $appinfo['name'] . ' ' . $appversion.'//EN';
$data->PRODID = $prodid;
return $data;
}
/**
* @inheritdoc
*/
public function updateContact($addressBookId, $id, $contact, array $options = array()) {
$updateRevision = true;
$isCardDAV = false;
if (!$contact instanceof VCard) {
try {
$contact = Reader::read($contact);
} catch(\Exception $e) {
\OCP\Util::writeLog('contacts', __METHOD__.', exception: '.$e->getMessage(), \OCP\Util::ERROR);
return false;
}
}
if (is_array($id)) {
if (isset($id['id'])) {
$id = $id['id'];
} elseif (isset($id['uri'])) {
$updateRevision = false;
$isCardDAV = true;
$id = $this->getIdFromUri($id['uri']);
if (is_null($id)) {
\OCP\Util::writeLog('contacts', __METHOD__ . ' Couldn\'t find contact', \OCP\Util::ERROR);
return false;
}
} else {
throw new \Exception(
__METHOD__ . ' If second argument is an array, either \'id\' or \'uri\' has to be set.'
);
}
}
if ($updateRevision || !isset($contact->REV)) {
$now = new \DateTime;
$contact->REV = $now->format(\DateTime::W3C);
}
$data = $contact->serialize();
$sql = 'UPDATE ' . $this->cardsTableName
. ' SET '
. '`addressbookid` = ?, '
. '`fullname` = ?, '
. '`carddata` = ?, '
. '`lastmodified` = ? '
. ' WHERE '
. '`id` = ? '
. 'AND `owner` = ? ';
$query = \OCP\DB::prepare($sql);
$result = $query->execute(array($addressBookId, $contact->FN, $data, time(), $id, $this->userid));
return true;
}
}