diff --git a/appinfo/routes.php b/appinfo/routes.php
index 4e7abad..9424a14 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -24,4 +24,5 @@ $application = new Application();
 $application->registerRoutes($this, array('routes' => array(
 	array('name' => 'sms#index', 'url' => '/', 'verb' => 'GET'),
 	array('name' => 'sms#push', 'url' => '/push', 'verb' => 'POST'),
+	array('name' => 'sms#retrieve_all_ids', 'url' => '/get/ids/all', 'verb' => 'GET'),
 )));
diff --git a/controller/smscontroller.php b/controller/smscontroller.php
index b72b143..a1ebdb9 100644
--- a/controller/smscontroller.php
+++ b/controller/smscontroller.php
@@ -39,6 +39,14 @@ class SmsController extends Controller {
 		return new TemplateResponse($this->appName, 'main', $params);
 	}
 
+	/**
+	 * @NoAdminRequired
+	 */
+	public function retrieveAllIds () {
+		$smsList = $this->smsMapper->getAllIds($this->userId);
+		return new JSONResponse(array("smslist" => $smsList));
+	}
+	
 	/**
 	 * @NoAdminRequired
 	 */
@@ -51,10 +59,6 @@ class SmsController extends Controller {
 		return new JSONResponse(array("status" => true, "msg" => "OK"));
 	}
 	
-	/**
-	 * @NoAdminRequired
-	 */
-
 	private function checkPushStructure ($smsCount, $smsDatas) {
 		if ($smsCount != count($smsDatas)) {
 			$this->errorMsg = "Error: sms count invalid";
diff --git a/db/smsmapper.php b/db/smsmapper.php
index 81a460c..c83b9ae 100644
--- a/db/smsmapper.php
+++ b/db/smsmapper.php
@@ -19,12 +19,27 @@ class SmsMapper extends Mapper {
 	public function __construct (IDb $db) {
 		parent::__construct($db, 'ocsms_smsdatas');
 	}
+	
+	public function getAllIds ($userId) {
+		$query = \OC_DB::prepare('SELECT sms_id, sms_mailbox FROM ' .
+		'*PREFIX*ocsms_smsdatas WHERE user_id = ?');
+		$result = $query->execute(array($userId));
+		
+		$smsList = array();
+		while($row = $result->fetchRow()) {
+			$mbox = $row["sms_mailbox"];
+			if (!isset($smsList[$mbox])) {
+				$smsList[$mbox] = array();
+			}
+			array_push($smsList[$mbox], $row["sms_id"]);
+		}
+	}
 
 	public function writeToDB ($userId, $smsList, $purgeBeforeInsert = false) {
 		\OCP\DB::beginTransaction();
 		
 		if ($purgeBeforeInsert === true) {
-			$query = \OCP\DB::prepare('DELETE FROM *PREFIX*ocsms_smsdatas ' .
+			$query = \OC_DB::prepare('DELETE FROM *PREFIX*ocsms_smsdatas ' .
 			'WHERE user_id = ?');
 			$result = $query->execute(array($userId));
 		}
@@ -35,7 +50,7 @@ class SmsMapper extends Mapper {
 				$sms["seen"] === "true" ? "1" : "0"
 			);
 			
-			$query = \OCP\DB::prepare('INSERT INTO *PREFIX*ocsms_smsdatas ' .
+			$query = \OC_DB::prepare('INSERT INTO *PREFIX*ocsms_smsdatas ' .
 			'(user_id, added, lastmodified, sms_flags, sms_date, sms_id,' .
 			'sms_address, sms_msg, sms_mailbox, sms_type) VALUES ' .
 			'(?,?,?,?,?,?,?,?,?,?)');
@@ -51,18 +66,6 @@ class SmsMapper extends Mapper {
 		
 		\OCP\DB::commit();
 	}
-
-    public function find ($id) {
-        $sql = 'SELECT * FROM `*PREFIX*ocsms_smsdatas` ' .
-            'WHERE `id` = ?';
-        $query = $db->prepareQuery($sql);
-        $query->bindParam(1, $id, \PDO::PARAM_INT);
-        $result = $query->execute();
-
-        while($row = $result->fetchRow()) {
-            return $row;
-        }
-    }
 }
 
 ?>