fix：商品限购

cloudroam

2024-09-20 a1416117c7478a66971cca278e9909811e0000d5

 src/main/java/com/mzl/flower/service/flower/FlowerService.java

@@ -139,10 +139,13 @@
        }
        try{

            flowerMapper.updateTypeRankNull(flower.getCategory(),flower.getLevel());

            QueryWrapper<Flower> queryWrapper=new QueryWrapper<>();
            queryWrapper.lambda().eq(Flower::getDeleted,false)
                    .eq(Objects.nonNull(flower.getCategory()),Flower::getCategory,flower.getCategory())
                    .eq(StringUtils.isNotEmpty(flower.getLevel()),Flower::getLevel,flower.getLevel())
                    .eq(Flower::getStatus,"UP")
                    .orderByAsc(Flower::getPrice);
            final List<Flower> flowerList = flowerMapper.selectList(queryWrapper);

@@ -212,6 +215,7 @@
        } else {
            g.setPrice(dto.getPrice());
            g.setStock(dto.getStock());
            g.setLimited(dto.getLimited());
        }

        g.update(SecurityUtils.getUserId());
@@ -243,6 +247,17 @@
    public Long editFlowerAdmin(FlowerUpdateAdminDTO dto){
        Flower g = flowerMapper.selectById(dto.getId());
        g.setSales(dto.getSales());
        if (!org.springframework.util.StringUtils.isEmpty(dto.getLimited())) {
            if (g.getStock() == 0 || org.springframework.util.StringUtils.isEmpty(g.getStock())) {
                throw new ValidationException("库存为0或者空时不能修改限购数量");
            }
            if(g.getStock()<dto.getLimited()){
                throw new ValidationException("限购数量不能大于库存");
            }
            g.setLimited(dto.getLimited());
        }else{
            g.setLimited(null);
        }
        g.update(SecurityUtils.getUserId());
        flowerMapper.updateById(g);

@@ -453,11 +468,17 @@
            //清除购物车商品
            cartMapper.delete(new QueryWrapper<Cart>().eq("flower_id", id));
        }

        //更新排名
        updateFlowTypeRank(null,f.getCategory(),f.getLevel());
    }

    public void deleteFlower(Long id){

        final Flower flower = flowerMapper.selectById(id);
        if(flower == null){
            throw new ValidationException("商品未找到");
        }

        flowerMapper.deleteById(id);

@@ -866,5 +887,27 @@
        return flowerDeleteDO;
    }

    public void setFlowersLimited(FlowerLimitedDTO dto) {
        List<Long> ids = dto.getIds();
        if (ids == null || ids.size() == 0) {
            throw new ValidationException("请选择商品");
        }
        for (Long id : ids) {
            Flower f = flowerMapper.selectById(id);
            if (!org.springframework.util.StringUtils.isEmpty(dto.getLimited())) {
                if (f.getStock() == 0 || org.springframework.util.StringUtils.isEmpty(f.getStock())) {
                    throw new ValidationException("商品" + f.getName() + "库存为0或者空时不能修改限购数量");
                }
                if(f.getStock()<dto.getLimited()){
                    throw new ValidationException("商品" + f.getName() + "限购数量不能大于库存");
                }
                f.setLimited(dto.getLimited());
            }else{
                f.setLimited(null);
            }
            flowerMapper.updateById(f);
        }
    }


}