package com.doumee.service.business.impl;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.doumee.core.constants.Constants;
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import com.doumee.core.constants.ResponseStatus;
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import com.doumee.core.exception.BusinessException;
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import com.doumee.core.model.LoginUserInfo;
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import com.doumee.core.model.PageData;
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import com.doumee.core.model.PageWrap;
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import com.doumee.core.utils.Utils;
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import com.doumee.dao.business.CouponMapper;
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import com.doumee.dao.business.model.Coupon;
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import com.doumee.service.business.CouponService;
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import com.github.yulichang.wrapper.MPJLambdaWrapper;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.shiro.SecurityUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.CollectionUtils;
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import java.util.Date;
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import java.util.List;
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import java.util.Objects;
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@Service
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public class CouponServiceImpl implements CouponService {
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@Autowired
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private CouponMapper couponMapper;
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@Override
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@Transactional(rollbackFor = {Exception.class, BusinessException.class})
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public Integer create(Coupon coupon) {
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validateCoupon(coupon);
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LoginUserInfo loginUserInfo = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
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coupon.setIsdeleted(Constants.ZERO);
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coupon.setCreateDate(new Date());
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coupon.setCreator(loginUserInfo.getId());
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coupon.setEditDate(new Date());
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coupon.setEditor(loginUserInfo.getId());
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// 默认项
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coupon.setType(Constants.ZERO);
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coupon.setCouponType(Objects.isNull(coupon.getCouponType()) ? Constants.ZERO : coupon.getCouponType());
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coupon.setGetMethod(Objects.isNull(coupon.getGetMethod()) ? Constants.ZERO : coupon.getGetMethod());
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couponMapper.insert(coupon);
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return coupon.getId();
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}
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@Override
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public void deleteById(Integer id) {
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couponMapper.update(new UpdateWrapper<Coupon>().lambda()
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.set(Coupon::getIsdeleted, Constants.ONE)
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.eq(Coupon::getId, id));
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}
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@Override
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public void deleteByIdInBatch(List<Integer> ids) {
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if (CollectionUtils.isEmpty(ids)) {
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return;
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}
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for (Integer id : ids) {
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this.deleteById(id);
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}
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}
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@Override
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@Transactional(rollbackFor = {Exception.class, BusinessException.class})
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public void updateById(Coupon coupon) {
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if (Objects.isNull(coupon) || Objects.isNull(coupon.getId())) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST);
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}
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validateCoupon(coupon);
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LoginUserInfo loginUserInfo = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
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coupon.setEditDate(new Date());
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coupon.setEditor(loginUserInfo.getId());
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couponMapper.updateById(coupon);
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}
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@Override
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public void updateStatus(Coupon coupon) {
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if (Objects.isNull(coupon) || Objects.isNull(coupon.getId()) || Objects.isNull(coupon.getStatus())) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST);
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}
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LoginUserInfo loginUserInfo = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
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Coupon update = new Coupon();
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update.setId(coupon.getId());
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update.setStatus(coupon.getStatus());
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update.setEditDate(new Date());
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update.setEditor(loginUserInfo.getId());
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couponMapper.updateById(update);
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}
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@Override
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public Coupon findById(Integer id) {
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MPJLambdaWrapper<Coupon> wrapper = new MPJLambdaWrapper<>();
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wrapper.selectAll(Coupon.class)
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.select("(SELECT COUNT(*) FROM member_coupon mc WHERE mc.COUPON_ID = t.ID AND mc.ISDELETED = 0 AND mc.STATUS IN (1,2,99)) AS CLAIM_COUNT")
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.select("(SELECT COUNT(*) FROM member_coupon mc WHERE mc.COUPON_ID = t.ID AND mc.ISDELETED = 0 AND mc.STATUS = 2) AS USED_COUNT")
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.eq(Coupon::getId, id)
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.eq(Coupon::getIsdeleted, Constants.ZERO);
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Coupon coupon = couponMapper.selectJoinOne(Coupon.class, wrapper);
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if (Objects.isNull(coupon)) {
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throw new BusinessException(ResponseStatus.DATA_EMPTY);
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}
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return coupon;
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}
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@Override
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public List<Coupon> findList(Coupon coupon) {
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QueryWrapper<Coupon> wrapper = new QueryWrapper<>(coupon);
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return couponMapper.selectList(wrapper);
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}
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@Override
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public PageData<Coupon> findPage(PageWrap<Coupon> pageWrap) {
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IPage<Coupon> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
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MPJLambdaWrapper<Coupon> wrapper = new MPJLambdaWrapper<>();
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Utils.MP.blankToNull(pageWrap.getModel());
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pageWrap.getModel().setIsdeleted(Constants.ZERO);
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wrapper.selectAll(Coupon.class)
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.select("u.USERNAME AS EDITOR_NAME")
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.select("(SELECT COUNT(*) FROM member_coupon mc WHERE mc.COUPON_ID = t.ID AND mc.ISDELETED = 0 AND mc.STATUS IN (1,2,99)) AS CLAIM_COUNT")
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.select("(SELECT COUNT(*) FROM member_coupon mc WHERE mc.COUPON_ID = t.ID AND mc.ISDELETED = 0 AND mc.STATUS = 2) AS USED_COUNT")
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.innerJoin("system_user u ON u.ID = t.EDITOR")
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.eq(Coupon::getIsdeleted, Constants.ZERO);
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if (pageWrap.getModel().getStatus() != null) {
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wrapper.eq(Coupon::getStatus, pageWrap.getModel().getStatus());
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}
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if (pageWrap.getModel().getName() != null) {
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wrapper.like(Coupon::getName, pageWrap.getModel().getName());
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}
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wrapper.orderByDesc(Coupon::getId);
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return PageData.from(couponMapper.selectJoinPage(page, Coupon.class, wrapper));
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}
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@Override
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public long count(Coupon coupon) {
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QueryWrapper<Coupon> wrapper = new QueryWrapper<>(coupon);
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return couponMapper.selectCount(wrapper);
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}
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private void validateCoupon(Coupon coupon) {
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if (Objects.isNull(coupon) || StringUtils.isBlank(coupon.getName())) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "优惠券名称不能为空");
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}
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if (Objects.isNull(coupon.getLimitPrice()) || coupon.getLimitPrice() <= 0) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "满额必须大于0");
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}
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if (Objects.isNull(coupon.getPrice()) || coupon.getPrice() <= 0) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "优惠金额必须大于0");
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}
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if (coupon.getPrice() >= coupon.getLimitPrice()) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "优惠金额必须小于满额");
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}
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if (Objects.isNull(coupon.getPushDays()) || coupon.getPushDays() < 1) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "推送后领取有效天数必须大于等于1天");
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}
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if (Objects.isNull(coupon.getValidDays()) || coupon.getValidDays() < 1) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "领取后有效天数必须大于等于1天");
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}
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if (Objects.isNull(coupon.getStatus())) {
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throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "状态不能为空");
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}
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}
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}
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