public async Task <Result <BasketView> > RemoveDishByIdAsync(string dishId, string userIdFromIdentity, CancellationToken cancellationToken = default)
{
UserDB user = await _context.Users.Where(_ => _.IdFromIdentity == userIdFromIdentity).Select(_ => _).AsNoTracking().FirstOrDefaultAsync(cancellationToken);
AppUser userIdentity = await _userManager.FindByIdAsync(userIdFromIdentity);
if (user is null || userIdentity is null)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.USER_WAS_NOT_FOUND));
}
BasketDB basket = await _context.Baskets.Where(_ => _.UserId == user.Id).AsNoTracking().FirstOrDefaultAsync(cancellationToken);
if (basket is null)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.BASKET_WAS_NOT_FOUND));
}
BasketDishDB connection = await _context.BasketDishes.Where(_ => _.BasketId == basket.Id && _.DishId == Guid.Parse(dishId)).AsNoTracking().FirstOrDefaultAsync(cancellationToken);
if (connection is null)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.DISHES_IN_BASKET_WAS_NOT_FOUND));
}
basket.ModificationTime = DateTime.Now;
_context.Entry(basket).Property(c => c.ModificationTime).IsModified = true;
_context.BasketDishes.Remove(connection);
try
{
await _context.SaveChangesAsync(cancellationToken);
var dishList = await _context.BasketDishes.Where(_ => _.BasketId == basket.Id).AsNoTracking().ToListAsync(cancellationToken);
BasketView view = CollectBasket(basket, dishList, userIdentity).Result.Data;
return(Result <BasketView> .Ok(_mapper.Map <BasketView>(view)));
}
catch (DbUpdateConcurrencyException ex)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.CANNOT_SAVE_MODEL + ex.Message));
}
catch (DbUpdateException ex)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.CANNOT_SAVE_MODEL + ex.Message));
}
catch (ArgumentNullException ex)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.SOURCE_IS_NULL + ex.Message));
}
}
public async Task <Result <BasketView> > AddUpdateDishAsync(string dishId, string userIdFromIdentity, int quantity, CancellationToken cancellationToken = default)
{
DishDB dishToAdd = await _context.Dishes.Where(_ => _.Id == Guid.Parse(dishId)).Select(_ => _).AsNoTracking().FirstOrDefaultAsync(cancellationToken);
if (dishToAdd is null)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.DISH_WAS_NOT_FOUND));
}
UserDB user = await _context.Users.Where(_ => _.IdFromIdentity == userIdFromIdentity).Select(_ => _).AsNoTracking().FirstOrDefaultAsync(cancellationToken);
AppUser userIdentity = await _userManager.FindByIdAsync(userIdFromIdentity);
if (user is null || userIdentity is null)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.USER_WAS_NOT_FOUND));
}
BasketDB basket = await _context.Baskets.Where(_ => _.UserId == user.Id).AsNoTracking().FirstOrDefaultAsync(cancellationToken);
if (basket is null)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.BASKET_WAS_NOT_FOUND));
}
var connection = await _context.BasketDishes.Where(_ => _.BasketId == basket.Id && _.DishId == Guid.Parse(dishId)).Select(_ => _).AsNoTracking().FirstOrDefaultAsync(cancellationToken);
if (connection is null)
{
BasketDishDB basketDish = new BasketDishDB()
{
BasketId = basket.Id, DishId = dishToAdd.Id, Quantity = quantity, DishPrice = dishToAdd.Price, Sale = dishToAdd.Sale
};
_context.BasketDishes.Add(basketDish);
}
else
{
if (quantity > 0)
{
connection.Quantity = quantity;
_context.Entry(connection).Property(c => c.Quantity).IsModified = true;
}
else // quantity == 0
{
_context.BasketDishes.Remove(connection);
}
}
basket.ModificationTime = DateTime.Now;
_context.Entry(basket).Property(c => c.ModificationTime).IsModified = true;
try
{
await _context.SaveChangesAsync(cancellationToken);
var dishList = await _context.BasketDishes.Where(_ => _.BasketId == basket.Id).AsNoTracking().ToListAsync(cancellationToken);
//BasketView view = CollectBasket(basket, dishList, userIdentity).Result.Data;
//return Result<BasketView>.Ok(view);
return(CollectBasket(basket, dishList, userIdentity).Result);
}
catch (DbUpdateConcurrencyException ex)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.CANNOT_SAVE_MODEL + ex.Message));
}
catch (DbUpdateException ex)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.CANNOT_SAVE_MODEL + ex.Message));
}
catch (ArgumentNullException ex)
{
return(Result <BasketView> .Fail <BasketView>(ExceptionConstants.SOURCE_IS_NULL + ex.Message));
}
}
