CinemaDemo/src/main/java/com/example/cinema/blImpl/sales/TicketServiceImpl.java

package com.example.cinema.blImpl.sales;

import com.example.cinema.bl.sales.TicketService;
import com.example.cinema.data.management.HallMapper;
import com.example.cinema.data.management.ScheduleMapper;
import com.example.cinema.data.promotion.ActivityMapper;
import com.example.cinema.data.promotion.CouponMapper;
import com.example.cinema.data.promotion.VIPCardMapper;
import com.example.cinema.data.sales.TicketMapper;
import com.example.cinema.po.Coupon;
import com.example.cinema.po.Ticket;
import com.example.cinema.po.VIPCard;
import com.example.cinema.vo.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * Created by liying on 2019/4/16.
 */
@Service
public class TicketServiceImpl implements TicketService {

    @Autowired
    TicketMapper ticketMapper;
    @Autowired
    VIPCardMapper vipCardMapper;
    @Autowired
    ScheduleMapper scheduleMapper;
    @Autowired
    CouponMapper couponMapper;
    @Autowired
    HallMapper hallmapper;
    @Autowired
    ActivityMapper activityMapper;

    @Override
    @Transactional
    public ResponseVO addTicket(TicketForm ticketForm) {
        List<SeatForm> seats = ticketForm.getSeats();
        List<Ticket> tickets=new ArrayList<>();
        for (SeatForm seat : seats) {
            Ticket ticket = new Ticket();
            ticket.setUserId(ticketForm.getUserId());
            ticket.setScheduleId(ticketForm.getScheduleId());
            ticket.setColumnIndex(seat.getColumnIndex());
            ticket.setRowIndex(seat.getRowIndex());
            ticket.setState(0);
            if (ticketMapper.selectTicketByScheduleIdAndSeat(ticketForm.getScheduleId(), seat.getColumnIndex(), seat.getRowIndex()) != null) {
                return ResponseVO.buildFailure("该位置已被占");
            }
            tickets.add(ticket);
        }
        try {
            ticketMapper.insertTickets(tickets);
            TicketWithCouponVO vo=new TicketWithCouponVO();
            vo.setTicketVOList(tickets.stream().map(ticket -> ticket.getVO()).collect(Collectors.toList()));
            ScheduleItem scheduleItem = scheduleMapper.selectScheduleById(tickets.get(0).getScheduleId());
            double total=scheduleItem.getFare()*tickets.size();
            vo.setTotal(total);
            vo.setCoupons(couponMapper.selectCouponByUserAndAmount(tickets.get(0).getUserId(),total));
            //  按电影优惠
            List<ActivityVO> activityVOS=activityMapper.selectActivitiesByMovie(scheduleItem.getMovieId());
            //  按时间优惠
            List<ActivityVO> timeActivityVOS=activityMapper.selectActivitiesWithoutMovie();
            activityVOS.addAll(timeActivityVOS);
            vo.setActivities(activityVOS);
            return ResponseVO.buildSuccess(vo);
        } catch (Exception e) {
            e.printStackTrace();
            return ResponseVO.buildFailure("失败");
        }

    }

    @Override
    @Transactional
    public ResponseVO completeTicket(List<Integer> id, int couponId) {
        try {
            List<Ticket> tickets=updateState(id,1);
            int userId=tickets.get(0).getUserId();
            if (couponId != 0) {
                couponMapper.deleteCouponUser(couponId, userId);
            }
            ScheduleItem schedule=scheduleMapper.selectScheduleById(tickets.get(0).getScheduleId());
            //  按电影优惠
            List<ActivityVO> activityVOS=activityMapper.selectActivitiesByMovie(schedule.getMovieId());
            List<Integer> coupons=new ArrayList<>();
            for (ActivityVO vo:activityVOS ) {
                coupons.add(vo.getCoupon().getId());
            }
            //  按时间优惠
            List<ActivityVO> timeActivityVOS=activityMapper.selectActivitiesWithoutMovie();
            for (ActivityVO vo:timeActivityVOS ) {
                coupons.add(vo.getCoupon().getId());
            }
            coupons=coupons.stream().distinct().collect(Collectors.toList());
            for (Integer coupon : coupons) {
                couponMapper.insertCouponUser(coupon,userId);
            }
            return ResponseVO.buildSuccess(tickets.stream().map(ticket -> ticket.getVO()).collect(Collectors.toList()));
        } catch (Exception e) {
            e.printStackTrace();
            return ResponseVO.buildFailure("失败");
        }
    }

    @Override
    public ResponseVO getBySchedule(int scheduleId) {
        try {
            List<Ticket> tickets = ticketMapper.selectTicketsBySchedule(scheduleId);
            ScheduleItem schedule=scheduleMapper.selectScheduleById(scheduleId);
            HallVO hall=hallmapper.selectHallById(schedule.getHallId());
            int[][] seats=new int[hall.getRow()][hall.getColumn()];
            tickets.stream().forEach(ticket -> {
                seats[ticket.getRowIndex()][ticket.getColumnIndex()]=1;
            });
            ScheduleWithSeatVO scheduleWithSeatVO=new ScheduleWithSeatVO();
            scheduleWithSeatVO.setScheduleItem(schedule);
            scheduleWithSeatVO.setSeats(seats);
            return ResponseVO.buildSuccess(scheduleWithSeatVO);
        } catch (Exception e) {
            e.printStackTrace();
            return ResponseVO.buildFailure("失败");
        }
    }

    @Override
    public ResponseVO getTicketByUser(int userId) {
        try {
            List<TicketWithScheduleVO> vos = ticketMapper.selectTicketByUser(userId).stream().map(ticket -> {
                TicketWithScheduleVO vo=ticket.getWithScheduleVO();
                ScheduleItem scheduleItem=scheduleMapper.selectScheduleById(ticket.getScheduleId());
                vo.setSchedule(scheduleItem);
                return vo;
            }).collect(Collectors.toList());
            return ResponseVO.buildSuccess(vos);
        } catch (Exception e) {
            e.printStackTrace();
            return ResponseVO.buildFailure("失败");
        }
    }

    @Override
    @Transactional
    public ResponseVO completeByVIPCard(List<Integer> id, int couponId) {
        try {
            Ticket ticket = ticketMapper.selectTicketById(id.get(0));
            VIPCard vipCard = vipCardMapper.selectCardByUserId(ticket.getUserId());
            ScheduleItem scheduleItem = scheduleMapper.selectScheduleById(ticket.getScheduleId());
            double balance = vipCard.getBalance() - scheduleItem.getFare()*id.size();
            if (couponId != 0) {
                Coupon coupon = couponMapper.selectById(couponId);
                if(scheduleItem.getFare()*id.size()<coupon.getTargetAmount()){
                    return ResponseVO.buildFailure("未达到优惠券使用标准");
                }

                balance += coupon.getDiscountAmount();
            }
            if (balance < 0) {
                return ResponseVO.buildFailure("会员卡余额不足");
            }
            vipCardMapper.updateCardBalance(vipCard.getId(), balance);
            return completeTicket(id, couponId);
        } catch (Exception e) {
            e.printStackTrace();
            return ResponseVO.buildFailure("失败");
        }
    }

    @Override
    public ResponseVO cancelTicket(List<Integer> id) {
        try {
            List<Ticket> tickets=updateState(id,2);

            return ResponseVO.buildSuccess(tickets.stream().map(ticket -> ticket.getVO()).collect(Collectors.toList()));
        } catch (Exception e) {
            e.printStackTrace();
            return ResponseVO.buildFailure("失败");
        }
    }

    private  List<Ticket>  updateState(List<Integer> id,int state){
        List<Ticket> tickets=new ArrayList<>();
        for (Integer i:id) {
            ticketMapper.updateTicketState(i, state);
            Ticket ticket = ticketMapper.selectTicketById(id.get(0));
            tickets.add(ticket);
        }
        return tickets;

    }


}