public DateTime?GetLatest(string areaName)
{
return(AreaFMPriceRepository.GetAllIncluding(a => a.Area)
.Where(a => a.Area.Name == areaName)
.OrderByDescending(a => a.PublishTime)
.Select(a => a.PublishTime)
.Take(1).FirstOrDefault());
}
public void Save(string areaName, DateTime publishTime, IEnumerable <FMPriceItem> prices)
{
var priceList = prices.ToList();
SetFoodMaterial(priceList);
if (priceList.Count < 1) // 没有价格信息
{
return;
}
Area area = AreaRepository.FirstOrDefault(a => a.Name == areaName);
AreaFMPrice afp = new AreaFMPrice()
{
Area = area,
PublishTime = publishTime,
FMPriceItems = priceList
};
AreaFMPriceRepository.Insert(afp);
}