@Override
public int sell(Map<Integer, Integer> sells, Date date, String bz, String uId, int shopId)
throws Exception {
int ret = 0;
SqlSession sqlSession = null;
try {
sqlSession = SessionUtils.getSession();
SellMapper sellMapper = sqlSession.getMapper(SellMapper.class);
SellDetailMapper sellDetailMapper = sqlSession.getMapper(SellDetailMapper.class);
StockMapper stockMapper = sqlSession.getMapper(StockMapper.class);
Sell sell = new Sell();
sell.setsBz(bz);
sell.setsDate(date);
sell.setShopId(shopId);
sell.setuId(uId);
sellMapper.insert(sell);
Iterator<Integer> iterator = sells.keySet().iterator();
List<Stock> stocks = stockMapper.selectAll();
while (iterator.hasNext()) {
SellDetail sellDetail = new SellDetail();
sellDetail.setSellId(sell.getsId());
sellDetail.setpId(iterator.next());
sellDetail.setsNum(sells.get(sellDetail.getpId()));
sellDetailMapper.insert(sellDetail);
for (Stock stock : stocks) {
if (stock.getShopId() == shopId && stock.getpId() == sellDetail.getpId()) {
if (stock.getsNum() >= sellDetail.getsNum()) {
stock.setsNum(stock.getsNum() - sellDetail.getsNum());
stockMapper.updateByPrimaryKey(stock);
} else {
throw new Exception();
}
}
}
}
sqlSession.commit();
ret = 1;
} catch (Exception e) {
sqlSession.rollback();
throw e;
} finally {
SessionUtils.closeSession(sqlSession);
}
return ret;
}
