/// <summary>
/// 减少某商品的数量
/// </summary>
/// <param name="num"></param>
/// <returns>如果传入的id不正确，或num大于剩余数量则返回false</returns>
public bool clearRepo(string id, int num) {
try {
CommodityMessage com = DB.findCommodityById(id);
if (com.num < num) return false;
com.num -= num;
return DB.modityCommodity(com);
}
catch (NotFindException) {
return false;
}
}
/// <summary>
/// 清空某商品的库存
/// </summary>
/// <param name="num"></param>
/// <returns>如果传入的id不正确则返回false</returns>
public bool clearRepo(string id)
{
try {
CommodityMessage com = DB.findCommodityById(id);
com.num = 0;
return(DB.modityCommodity(com));
}
catch (NotFindException) {
return(false);
}
}
/// <summary>
/// 修改商品价格
/// </summary>
/// <param name="Mes"></param>
/// <returns></returns>
public bool modifyPrice(CommodityMessage Mes)
{
try
{
DB.modityCommodity(Mes);
return(true);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// 添加售货信息
/// </summary>
/// <param name="Mes"></param>
/// <returns></returns>
public sellCode sellCommodity(LogMessage Mes)
{
//TODO
CommodityMessage com;
try {
com = DB.findCommodityByName(Mes.commodityName);
com.num -= Mes.num;
DB.modityCommodity(com);
DB.addLog(Mes);
}
catch (Exception) {
return(sellCode.miss);
}
return(sellCode.success);
}
/// <summary>
/// 进货。若是已存在的商品，则不需要填入comId
/// </summary>
/// <param name="id">对于已存在的商品,comId默认为""</param>
/// <returns></returns>
public stockCode Stock(string name, int num, float price, DateTime time, string logId, string comId = "")
{
try {
if (comId != "")
{
CommodityMessage newCommodity = new CommodityMessage();
newCommodity.commodityName = name;
newCommodity.id = comId;
newCommodity.inPrice = price;
newCommodity.num = num;
DB.addCommodity(newCommodity);
}
else
{
CommodityMessage dbcommodity = DB.findCommodityByName(name);
dbcommodity.num += num;
DB.modityCommodity(dbcommodity);
}
}
catch (RepeatException) {
return(stockCode.repeat);
}
catch (NotFindException) {
return(stockCode.miss);
}
LogMessage log = new LogMessage();
log.commodityName = name;
log.flag = true;
log.id = logId;
log.num = num;
log.price = price;
log.time = time;
DB.addLog(log);
return(stockCode.success);
}
/// <summary>
/// 修改商品价格
/// </summary>
/// <param name="Mes"></param>
/// <returns></returns>
public bool modifyPrice(CommodityMessage Mes) {
return DB.modityCommodity(Mes);
}