Update user on startup

app/src/main/java/at/smartshopper/smartshopper/activitys/LoginActivity.java

@@ -74,7 +74,7 @@ public class LoginActivity extends AppCompatActivity {
      * Wechselt zu der Dash Activity
      */
     private void goDash() {
-            if (!db.checkIfUserExists(FirebaseAuth.getInstance().getCurrentUser().getUid())) {
+
         FirebaseInstanceId.getInstance().getInstanceId()
                 .addOnCompleteListener(new OnCompleteListener<InstanceIdResult>() {
                     @Override
@@ -92,14 +92,21 @@ public class LoginActivity extends AppCompatActivity {
 
                         // Get new Instance ID token
                         String token = task.getResult().getToken();
+
                         try {
-                                    db.createUser(uid, token, name, email, picture);
+                            if (!db.checkIfUserExists(FirebaseAuth.getInstance().getCurrentUser().getUid())) {
+
+                                db.createUser(uid, token, name, picture, email);
+
+                            } else {
+                                db.updateUser(uid, token, name, picture, email);
+                            }
                         } catch (SQLException e) {
                             e.printStackTrace();
                         }
+
                     }
                 });
-            }
 
 
         Intent intent = new Intent(this, Dash.class);

app/src/main/java/at/smartshopper/smartshopper/db/Database.java

@@ -451,6 +451,17 @@ public class Database {
         sqlUpdate5Param(SQL, username, message_id, name, picture, email);
     }
 
+    /**
+     * Erstellt einen neuen User, wenn keiner existiert
+     *
+     * @param username Der Username des neuen Users
+     * @throws SQLException
+     */
+    public void updateUser(String username, String message_id, String name, String picture, String email) throws SQLException {
+        String SQL = "Update \"User\" set message_id = ?, name = ?, picture = ?, email = ? WHERE username = ?";
+        sqlUpdate5Param(SQL, message_id, name, picture, email, username);
+    }
+
     /**
      * Prüft ob ein User bereits in der DB vorhanden ist. Wenn ja dann wird true returned
      *