Refactor warehouse part two.

src/engine/db/handlers/dbWarehouseHandler.java

@@ -82,6 +82,24 @@ public class dbWarehouseHandler extends dbHandlerBase {
         return transactionsList;
     }
 
+    public boolean UPDATE_WAREHOUSE(Warehouse warehouse) {
+
+        JSONObject warehouseJSON = new JSONObject(warehouse.resources);
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("UPDATE `dyn_warehouse` SET `warehouse` = ? WHERE `cityUID` = ?")) {
+
+            preparedStatement.setString(2, warehouseJSON.toString());
+            preparedStatement.setInt(1, warehouse.city.getObjectUUID());
+
+            return (preparedStatement.executeUpdate() > 0);
+
+        } catch (SQLException e) {
+            Logger.error(e);
+        }
+        return false;
+    }
+
     public void LOAD_WAREHOUSES() {
 
         JSONParser jsonParser = new JSONParser();