public void UpdateLot(LotEntity lot, bool contentChanged)
{
using (var unitOfWork = new AuctionUnitOfWork())
{
var dbLot = unitOfWork.LotRepository.Get(lot.Id);
if (contentChanged)
{
var dbContents = unitOfWork.LotContentRepository.Get(c => c.LotId == lot.Id);
foreach (var content in dbContents)
{
unitOfWork.LotContentRepository.Delete(content);
}
var cnt = lot.LotContents.Select(c => new LotContent {
Content = c.Content, LotId = c.LotId
}).ToList();
dbLot.LotContents = cnt;
}
dbLot.Title = lot.Title;
dbLot.Description = lot.Description;
dbLot.CategoryId = lot.CategoryId;
unitOfWork.Commit();
}
}
public void AddLot(LotEntity lot)
{
using (var unitOfWork = new AuctionUnitOfWork())
{
unitOfWork.LotRepository.Add(lot);
unitOfWork.Commit();
}
}
private NotificationEntity BuildUserNotification(int userId, LotEntity lot)
{
var toUser = BuildLotNotification();
toUser.RecieverId = userId;
toUser.EntityId = lot.Id;
toUser.Message = $"Торги по лоту \"{lot.Title}\" завершились. К сожалению, ваша ставка не была максимальной";
return(toUser);
}
private NotificationEntity BuildOwnerNotification(LotEntity lot)
{
var toOwner = BuildLotNotification();
toOwner.RecieverId = lot.OwnerId;
toOwner.EntityId = lot.Id;
toOwner.Message = $"Созданный вами аукцион \"{lot.Title}\" закрыт";
return(toOwner);
}
private NotificationEntity BuildWinnerNotification(int userId, LotEntity lot)
{
var toWinner = BuildLotNotification();
toWinner.RecieverId = userId;
toWinner.EntityId = lot.Id;
toWinner.Message = $"Торги по лоту \"{lot.Title}\" завершились. Ваша ставка была максимальной. Свяжитесь с продавцом для покупки товара.";
return(toWinner);
}
/// <summary>
/// заполнение формы редактирования лота
/// </summary>
/// <param name="lot"></param>
public override void LoadLot(LotEntity lot)
{
_lot = lot;
_initialCategory = Categories.FirstOrDefault(c => c.Id == _lot.CategoryId);
LotId = _lot.Id;
Title = _lot.Title;
SelectedCategory = _initialCategory;
Photos = new ObservableCollection <LotContent>(_lot.LotContents);
Description = _lot.Description;
StartBid = _lot.StartBid.ToString("0.00");
int daysCount = (int)(_lot.DateToExpire - _lot.DateCreated).TotalDays;
SelectedDaysCount = DaysCount.FirstOrDefault(l => l.DaysCount == daysCount);
}
public void Initialize(int lotId)
{
_lot = _lotService.GetLot(lotId);
if (_lot != null)
{
_owner = _lot.Owner;
Title = _lot.Title;
Description = _lot.Description;
CategoryName = _lot.Category.Name;
CurrentBid = _lot.CurrentBid;
ExpireDate = _lot.DateToExpire;
BidsCount = _lot.Bids.Count;
_bids = new ObservableCollection <Bid>(_lot.Bids.ToList());
LoadContent(_lot);
double daysToExpire = (_lot.DateToExpire - DateTime.Now).TotalDays;
if (daysToExpire < 0)
{
_isExpired = true;
NotifyExpired();
DaysToExpire = 0;
}
else
{
DaysToExpire = (int)Math.Ceiling(daysToExpire);
}
if (_session.IsLoggedIn)
{
CurrentUserIsOwner = _owner.Id == _session.User.Id;
}
IsLotLoaded = true;
if (!IsActive)
{
DaysToExpire = 0;
Title += " (не активен)";
}
}
OnPropertyChanged(nameof(IsLotLoaded));
OnPropertyChanged(nameof(LotIsNotLoaded));
}
/// <summary>
/// оповещает каждого пользователя, участвующего в торгах по лоту, о его завершении
/// </summary>
/// <param name="unitOfWork"></param>
/// <param name="lot"></param>
private void Notify(AuctionUnitOfWork unitOfWork, LotEntity lot)
{
var toOwner = BuildOwnerNotification(lot);
_notificationService.Send(toOwner, unitOfWork);
if (lot.Bids == null || !lot.Bids.Any())
{
return;
}
var maxBid = lot.Bids.OrderByDescending(b => b.Amount).FirstOrDefault();
var winner = maxBid.User;
var toWinner = BuildWinnerNotification(maxBid.UserId, lot);
_notificationService.Send(toWinner, unitOfWork);
foreach (var user in lot.Users.Where(u => u.Id != winner.Id))
{
var toUser = BuildUserNotification(user.Id, lot);
_notificationService.Send(toUser, unitOfWork);
}
}
protected override void HandleLotAction(LotEntity lot)
{
LotService.UpdateLot(lot, HasContentChanged);
View.OnLotAction(lot, FormMode.Update);
}
