#1321

transaction-script/src/main/java/com/ashishtrivedi16/transactionscript/Hotel.java

@@ -1,15 +1,41 @@
 package com.ashishtrivedi16.transactionscript;
 
-public class Hotel {
+import com.ashishtrivedi16.transactionscript.db.HotelDAOImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-    public void bookRoom(int roomNumber) {
+import java.util.Optional;
+
+public class Hotel {
+    private static final Logger LOGGER = LoggerFactory.getLogger(TransactionScriptApp.class);
+
+    private HotelDAOImpl hotelDAO;
+
+    public Hotel(HotelDAOImpl hotelDAO) {
+        this.hotelDAO = hotelDAO;
+    }
+
+    public void bookRoom(int roomNumber) throws Exception {
         /*
             TODO
                 -> Check if room is available
-                -> Calculate price
                 -> Book the room
                 -> Commit transaction
         */
+
+        Optional<Room> room = hotelDAO.getById(roomNumber);
+
+        if (!room.isPresent()) {
+            LOGGER.info(roomNumber + " does not exist");
+        } else {
+            if (room.get().isBooked()) {
+                LOGGER.info("Room already booked!");
+            } else {
+                Room updateRoomBooking = room.get();
+                updateRoomBooking.setBooked(true);
+                hotelDAO.update(updateRoomBooking);
+            }
+        }
     }
 
     public void cancelRoomBooking(int roomNumber) {