FreeeBird-hotel/src/main/java/cn/mafangui/hotel/service/impl/OrderServiceImpl.java

package cn.mafangui.hotel.service.impl;

import cn.mafangui.hotel.entity.Order;
import cn.mafangui.hotel.entity.Room;
import cn.mafangui.hotel.entity.RoomType;
import cn.mafangui.hotel.enums.OrderStatus;
import cn.mafangui.hotel.mapper.OrderMapper;
import cn.mafangui.hotel.mapper.RoomMapper;
import cn.mafangui.hotel.mapper.RoomTypeMapper;
import cn.mafangui.hotel.service.OrderService;
import cn.mafangui.hotel.service.RoomService;
import cn.mafangui.hotel.service.RoomTypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private RoomTypeService roomTypeService;
    @Autowired
    private RoomService roomService;

    @Override
    public int insert(Order order) {
        return orderMapper.insert(order);
    }

    @Override
    public int addOrder(Order order) {
        return orderMapper.insertSelective(order);
    }

    @Override
    public int delete(Integer orderId) {
        return orderMapper.deleteByPrimaryKey(orderId);
    }

    @Override
    public Order selectById(Integer orderId) {
        return orderMapper.selectByPrimaryKey(orderId);
    }

    @Override
    public int update(Order order) {
        return orderMapper.updateByPrimaryKeySelective(order);
    }

    /**
     * 订单支付
     *  1.更改订单状态 -3
     *  2.修改房型余量 -2
     *  3.修改房间状态 -1
     * @param orderId
     * @return
     */
    @Override
    @Transactional
    public int payOrder(int orderId) {
        Order order = orderMapper.selectByPrimaryKey(orderId);
        if (order == null | order.getOrderStatus() != OrderStatus.UNPAID.getCode()) return -3;
        if (roomTypeService.updateRest(order.getRoomTypeId(),-1) != 1) return -2;
        return roomService.orderRoom(order.getRoomTypeId());
    }

    @Override
    public List<Order> selectByUserId(int userId) {
        return orderMapper.selectByUserId(userId);
    }

    @Override
    public List<Order> AllOrders() {
        return orderMapper.selectAll();
    }

    @Override
    public List<Order> UsersAllOrders(int userId) {
        return orderMapper.selectAllByUser(userId, OrderStatus.WAS_DELETED.getCode());
    }


}