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<?php
/**
* ownCloud
*
* @author Côme BERNIGAUD
* @copyright 2011 Côme BERNIGAUD come.bernigaud@laposte.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/>.
*
*/
require_once('base.php');
/**
* This class manages the access to the database from apps. It basically is a wrapper for
* OC_DB. It allows that apps doesn't contains SQL code.
*/
class OC_DB4App {
/**
* @brief Store an object in the database
* @param $appname Name of the application
* @param $table Name of the database table
* @param $userid Id of owner of the object
* @param $object Object to save in the database
* @returns id of the object in the database
*
*/
static public function store($appname,$tablename,$userid,$object) {
$table = $appname."_".$tablename;
if(OC_DB::connect()) {
$CONFIG_DBTYPE = OC_Config::getValue( "dbtype", "sqlite" );
if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' ){
$idline = "id INTEGER PRIMARY KEY AUTOINCREMENT";
} else {
$idline = "id int NOT NULL AUTO_INCREMENT";
}
$query = "CREATE TABLE IF NOT EXISTS *PREFIX*$table ($idline,uid int REFERENCES user(id),object text)";
OC_DB::query($query);
$query = "INSERT INTO *PREFIX*$table (uid,object) VALUES ('$userid','".OC_DB::escape(base64_encode(serialize($object)))."')";
OC_DB::query($query);
return OC_DB::insertid();
} else {
die ("could not connect to database");
}
}
/**
* @brief Get an object from the database
* @param $appname Name of the application
* @param $table Name of the database table
* @param $objectid Id of the object
* @returns the object
*
*/
static public function get_object($appname,$tablename,$objectid) {
$table = $appname."_".$tablename;
if(OC_DB::connect()) {
$query = "SELECT object FROM *PREFIX*$table WHERE id='".OC_DB::escape($objectid)."'";
$q = OC_DB::prepare($query);
$result = $q->execute()->fetchOne();
return unserialize(base64_decode($result));
} else {
die ("could not connect to database");
}
}
static public function get_objects($appname,$tablename,$userid) {
$table = $appname."_".$tablename;
if(OC_DB::connect()) {
$query = "SELECT id FROM *PREFIX*$table WHERE uid='".OC_DB::escape($userid)."'";
$q = OC_DB::prepare($query);
$result = $q->execute()->fetchAll();
return $result;
} else {
die ("could not connect to database");
}
}
static public function delete_object($appname,$tablename,$objectid) {
$table = $appname."_".$tablename;
if(OC_DB::connect()) {
$query = "DELETE FROM *PREFIX*$table WHERE id='".OC_DB::escape($objectid)."'";
$q = OC_DB::prepare($query);
$q->execute();
return true;
} else {
die ("could not connect to database");
}
}
static public function drop($appname,$tablename) {
$table = $appname."_".$tablename;
if(OC_DB::connect()) {
$query = "DROP TABLE *PREFIX*$table";
$q = OC_DB::prepare($query);
$q->execute();
return true;
} else {
die ("could not connect to database");
}
}
}
?>
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