diff --git a/app/src/main/java/lightcontainer/storage/Repository.java b/app/src/main/java/lightcontainer/storage/Repository.java
index 324b125..6f2d6f2 100644
--- a/app/src/main/java/lightcontainer/storage/Repository.java
+++ b/app/src/main/java/lightcontainer/storage/Repository.java
@@ -39,6 +39,38 @@ public class Repository {
         }
     }
 
+    public boolean addUser(String login, String password, String key) {
+        if (appData.addUser(login, password, key)) {
+            save();
+            return true;
+        }
+        return false;
+    }
+
+    public boolean addFileFor(File file, String userName) {
+        if (appData.addFileFor(file, userName)) {
+            save();
+            return true;
+        }
+        return false;
+    }
+
+    public boolean deleteFileOf(String fileName, String userName) {
+        if (appData.deleteFileOf(fileName, userName)) {
+            save();
+            return true;
+        }
+        return false;
+    }
+
+    public boolean addStorage(String userName, File file, String storage) {
+        if (appData.addStorage(userName, file, storage)) {
+            save();
+            return true;
+        }
+        return false;
+    }
+
 
     /**
      * Loads configuration file