public bool MakeBet(int lotid, string leadername, Int64 newcurrency)
{
try
{
var lot = LotDataBase.First(t => t.ID == lotid);
lot.Currency = newcurrency;
lot.LeaderName = leadername;
_dataBase.SaveChanges();
return(true);
}
catch (Exception)
{
return(false);
}
}
internal IEnumerable <LotModel> GetLotTypePreviewCollection(string typeName)
{
var rnd = new Random();
int count;
if ((count = (LotDataBase.Count(t => !t.IsDeleted && t.LotType.TypeName == typeName) >= 3)?3:LotDataBase.Count(t => !t.IsDeleted && t.LotType.TypeName == typeName)) > 0)
{
for (var i = 0; i < count; i++)
{
var index = rnd.Next(LotDataBase.Count(t => !t.IsDeleted && t.LotType.TypeName == typeName));
yield return
(ConvertToViewModel(LotDataBase.Where(t => !t.IsDeleted && t.LotType.TypeName == typeName).ToList()[index]));
_dataBase.Lots.Remove(LotDataBase.Where(t => !t.IsDeleted && t.LotType.TypeName == typeName).ToList()[index]);
}
}
}
public bool CreateLot(string ownername, string name, string description, DateTime date, Int64 currency, string typeName, object image)
{
try
{
LotDataBase.AddObject(new Lot
{
Lotname = name,
ActualDate = date,
Currency = currency,
Description = description,
IsDeleted = false,
OwnerName = ownername,
LotType = _dataBase.LotTypes.FirstOrDefault(t => t.TypeName == typeName)
});
_dataBase.SaveChanges();
var path = String.Format("{0}Content\\Image\\Lots\\{1}", INITIAL_CATALOG,
LotDataBase.FirstOrDefault(
t => t.OwnerName == ownername &&
t.Lotname == name &&
t.LeaderName == null)
.ID);
var img = image as HttpPostedFileBase;
if (!Directory.Exists(path) && img.ContentLength > 0)
{
Directory.CreateDirectory(path);
img.SaveAs(path + @"\index.jpg");
}
else
{
foreach (var filePath in Directory.GetFiles(path))
{
File.Delete(filePath);
}
}
return(true);
}
catch (Exception)
{
return(false);
}
}
public LotModel GetViewModelById(int id)
{
var lot = LotDataBase.FirstOrDefault(l => l.ID == id);
return(lot != null?ConvertToViewModel(lot) : null);
}
