360 lines
9.1 KiB
PHP
360 lines
9.1 KiB
PHP
<?php
|
|
/**
|
|
* ownCloud
|
|
*
|
|
* @author Frank Karlitschek
|
|
* @author Jakob Sack
|
|
* @copyright 2012 Frank Karlitschek frank@owncloud.org
|
|
*
|
|
* 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/>.
|
|
*
|
|
*/
|
|
/*
|
|
*
|
|
* The following SQL statement is just a help for developers and will not be
|
|
* executed!
|
|
*
|
|
* CREATE TABLE `preferences` (
|
|
* `userid` VARCHAR( 255 ) NOT NULL ,
|
|
* `appid` VARCHAR( 255 ) NOT NULL ,
|
|
* `configkey` VARCHAR( 255 ) NOT NULL ,
|
|
* `configvalue` VARCHAR( 255 ) NOT NULL
|
|
* )
|
|
*
|
|
*/
|
|
|
|
namespace OC;
|
|
|
|
use \OC\DB\Connection;
|
|
|
|
|
|
/**
|
|
* This class provides an easy way for storing user preferences.
|
|
*/
|
|
class Preferences {
|
|
/**
|
|
* @var \OC\DB\Connection
|
|
*/
|
|
protected $conn;
|
|
|
|
/**
|
|
* 3 dimensional array with the following structure:
|
|
* [ $userId =>
|
|
* [ $appId =>
|
|
* [ $key => $value ]
|
|
* ]
|
|
* ]
|
|
*
|
|
* @var array $cache
|
|
*/
|
|
protected $cache = array();
|
|
|
|
/**
|
|
* @param \OC\DB\Connection $conn
|
|
*/
|
|
public function __construct(Connection $conn) {
|
|
$this->conn = $conn;
|
|
}
|
|
|
|
/**
|
|
* Get all users using the preferences
|
|
* @return array an array of user ids
|
|
*
|
|
* This function returns a list of all users that have at least one entry
|
|
* in the preferences table.
|
|
*/
|
|
public function getUsers() {
|
|
$query = 'SELECT DISTINCT `userid` FROM `*PREFIX*preferences`';
|
|
$result = $this->conn->executeQuery($query);
|
|
|
|
$users = array();
|
|
while ($userid = $result->fetchColumn()) {
|
|
$users[] = $userid;
|
|
}
|
|
|
|
return $users;
|
|
}
|
|
|
|
/**
|
|
* @param string $user
|
|
* @return array[]
|
|
*/
|
|
protected function getUserValues($user) {
|
|
if (isset($this->cache[$user])) {
|
|
return $this->cache[$user];
|
|
}
|
|
$data = array();
|
|
$query = 'SELECT `appid`, `configkey`, `configvalue` FROM `*PREFIX*preferences` WHERE `userid` = ?';
|
|
$result = $this->conn->executeQuery($query, array($user));
|
|
while ($row = $result->fetch()) {
|
|
$app = $row['appid'];
|
|
if (!isset($data[$app])) {
|
|
$data[$app] = array();
|
|
}
|
|
$data[$app][$row['configkey']] = $row['configvalue'];
|
|
}
|
|
$this->cache[$user] = $data;
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Get all apps of an user
|
|
* @param string $user user
|
|
* @return integer[] with app ids
|
|
*
|
|
* This function returns a list of all apps of the user that have at least
|
|
* one entry in the preferences table.
|
|
*/
|
|
public function getApps($user) {
|
|
$data = $this->getUserValues($user);
|
|
return array_keys($data);
|
|
}
|
|
|
|
/**
|
|
* Get the available keys for an app
|
|
* @param string $user user
|
|
* @param string $app the app we are looking for
|
|
* @return array an array of key names
|
|
*
|
|
* This function gets all keys of an app of an user. Please note that the
|
|
* values are not returned.
|
|
*/
|
|
public function getKeys($user, $app) {
|
|
$data = $this->getUserValues($user);
|
|
if (isset($data[$app])) {
|
|
return array_keys($data[$app]);
|
|
} else {
|
|
return array();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the preference
|
|
* @param string $user user
|
|
* @param string $app app
|
|
* @param string $key key
|
|
* @param string $default = null, default value if the key does not exist
|
|
* @return string the value or $default
|
|
*
|
|
* This function gets a value from the preferences table. If the key does
|
|
* not exist the default value will be returned
|
|
*/
|
|
public function getValue($user, $app, $key, $default = null) {
|
|
$data = $this->getUserValues($user);
|
|
if (isset($data[$app]) and isset($data[$app][$key])) {
|
|
return $data[$app][$key];
|
|
} else {
|
|
return $default;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* sets a value in the preferences
|
|
* @param string $user user
|
|
* @param string $app app
|
|
* @param string $key key
|
|
* @param string $value value
|
|
* @param string $preCondition only set value if the key had a specific value before
|
|
* @return bool true if value was set, otherwise false
|
|
*
|
|
* Adds a value to the preferences. If the key did not exist before, it
|
|
* will be added automagically.
|
|
*/
|
|
public function setValue($user, $app, $key, $value, $preCondition = null) {
|
|
// Check if the key does exist
|
|
$query = 'SELECT COUNT(*) FROM `*PREFIX*preferences`'
|
|
. ' WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?';
|
|
$count = $this->conn->fetchColumn($query, array($user, $app, $key));
|
|
$exists = $count > 0;
|
|
|
|
$affectedRows = 0;
|
|
|
|
if (!$exists && $preCondition === null) {
|
|
$data = array(
|
|
'userid' => $user,
|
|
'appid' => $app,
|
|
'configkey' => $key,
|
|
'configvalue' => $value,
|
|
);
|
|
$affectedRows = $this->conn->insert('*PREFIX*preferences', $data);
|
|
} elseif ($exists) {
|
|
$data = array($value, $user, $app, $key);
|
|
$sql = "UPDATE `*PREFIX*preferences` SET `configvalue` = ?"
|
|
. " WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?";
|
|
|
|
if ($preCondition !== null) {
|
|
if (\OC_Config::getValue( 'dbtype', 'sqlite' ) === 'oci') {
|
|
//oracle hack: need to explicitly cast CLOB to CHAR for comparison
|
|
$sql .= " AND to_char(`configvalue`) = ?";
|
|
} else {
|
|
$sql .= " AND `configvalue` = ?";
|
|
}
|
|
$data[] = $preCondition;
|
|
}
|
|
$affectedRows = $this->conn->executeUpdate($sql, $data);
|
|
}
|
|
|
|
// only add to the cache if we already loaded data for the user
|
|
if ($affectedRows > 0 && isset($this->cache[$user])) {
|
|
if (!isset($this->cache[$user][$app])) {
|
|
$this->cache[$user][$app] = array();
|
|
}
|
|
$this->cache[$user][$app][$key] = $value;
|
|
}
|
|
|
|
return ($affectedRows > 0) ? true : false;
|
|
|
|
}
|
|
|
|
/**
|
|
* Gets the preference for an array of users
|
|
* @param string $app
|
|
* @param string $key
|
|
* @param array $users
|
|
* @return array Mapped values: userid => value
|
|
*/
|
|
public function getValueForUsers($app, $key, $users) {
|
|
if (empty($users) || !is_array($users)) {
|
|
return array();
|
|
}
|
|
|
|
$chunked_users = array_chunk($users, 50, true);
|
|
$placeholders_50 = implode(',', array_fill(0, 50, '?'));
|
|
|
|
$userValues = array();
|
|
foreach ($chunked_users as $chunk) {
|
|
$queryParams = $chunk;
|
|
array_unshift($queryParams, $key);
|
|
array_unshift($queryParams, $app);
|
|
|
|
$placeholders = (sizeof($chunk) == 50) ? $placeholders_50 : implode(',', array_fill(0, sizeof($chunk), '?'));
|
|
|
|
$query = 'SELECT `userid`, `configvalue` '
|
|
. ' FROM `*PREFIX*preferences` '
|
|
. ' WHERE `appid` = ? AND `configkey` = ?'
|
|
. ' AND `userid` IN (' . $placeholders . ')';
|
|
$result = $this->conn->executeQuery($query, $queryParams);
|
|
|
|
while ($row = $result->fetch()) {
|
|
$userValues[$row['userid']] = $row['configvalue'];
|
|
}
|
|
}
|
|
|
|
return $userValues;
|
|
}
|
|
|
|
/**
|
|
* Gets the users for a preference
|
|
* @param string $app
|
|
* @param string $key
|
|
* @param string $value
|
|
* @return array
|
|
*/
|
|
public function getUsersForValue($app, $key, $value) {
|
|
$users = array();
|
|
|
|
$query = 'SELECT `userid` '
|
|
. ' FROM `*PREFIX*preferences` '
|
|
. ' WHERE `appid` = ? AND `configkey` = ? AND ';
|
|
|
|
if (\OC_Config::getValue( 'dbtype', 'sqlite' ) === 'oci') {
|
|
//FIXME oracle hack: need to explicitly cast CLOB to CHAR for comparison
|
|
$query .= ' to_char(`configvalue`)= ?';
|
|
} else {
|
|
$query .= ' `configvalue` = ?';
|
|
}
|
|
|
|
$result = $this->conn->executeQuery($query, array($app, $key, $value));
|
|
|
|
while ($row = $result->fetch()) {
|
|
$users[] = $row['userid'];
|
|
}
|
|
|
|
return $users;
|
|
}
|
|
|
|
/**
|
|
* Deletes a key
|
|
* @param string $user user
|
|
* @param string $app app
|
|
* @param string $key key
|
|
*
|
|
* Deletes a key.
|
|
*/
|
|
public function deleteKey($user, $app, $key) {
|
|
$where = array(
|
|
'userid' => $user,
|
|
'appid' => $app,
|
|
'configkey' => $key,
|
|
);
|
|
$this->conn->delete('*PREFIX*preferences', $where);
|
|
|
|
if (isset($this->cache[$user]) and isset($this->cache[$user][$app])) {
|
|
unset($this->cache[$user][$app][$key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove app of user from preferences
|
|
* @param string $user user
|
|
* @param string $app app
|
|
*
|
|
* Removes all keys in preferences belonging to the app and the user.
|
|
*/
|
|
public function deleteApp($user, $app) {
|
|
$where = array(
|
|
'userid' => $user,
|
|
'appid' => $app,
|
|
);
|
|
$this->conn->delete('*PREFIX*preferences', $where);
|
|
|
|
if (isset($this->cache[$user])) {
|
|
unset($this->cache[$user][$app]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove user from preferences
|
|
* @param string $user user
|
|
*
|
|
* Removes all keys in preferences belonging to the user.
|
|
*/
|
|
public function deleteUser($user) {
|
|
$where = array(
|
|
'userid' => $user,
|
|
);
|
|
$this->conn->delete('*PREFIX*preferences', $where);
|
|
|
|
unset($this->cache[$user]);
|
|
}
|
|
|
|
/**
|
|
* Remove app from all users
|
|
* @param string $app app
|
|
*
|
|
* Removes all keys in preferences belonging to the app.
|
|
*/
|
|
public function deleteAppFromAllUsers($app) {
|
|
$where = array(
|
|
'appid' => $app,
|
|
);
|
|
$this->conn->delete('*PREFIX*preferences', $where);
|
|
|
|
foreach ($this->cache as &$userCache) {
|
|
unset($userCache[$app]);
|
|
}
|
|
}
|
|
}
|
|
|
|
require_once __DIR__ . '/legacy/' . basename(__FILE__);
|