public async Task <Unit> Handle(CreateProductCommand request, CancellationToken cancellationToken)
{
Domain.Entities.Product entity = new Domain.Entities.Product
{
ProductId = Guid.NewGuid(),
UserId = request.UserId,
Name = request.Name,
Desciption = request.Desciption,
Slug = request.Slug,
Count = request.Count,
Price = request.Price,
};
_context.Products.Add(entity);
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(PurchaseProductCommand request, CancellationToken cancellationToken)
{
var entity = await _context.Products.FindAsync(request.ProductId);
if (entity == null)
{
throw new NotFoundException("Product", request.ProductId);
}
if (entity.Count == 0 || entity.Count < request.Count)
{
throw new AvailabilityException("Product", request.ProductId);
}
entity.Count -= request.Count;
var newOrder = new Domain.Entities.Order
{
OrderId = Guid.NewGuid(),
UserId = request.UserId,
ProductId = entity.ProductId,
Date = DateTime.UtcNow,
Count = request.Count,
State = OrderState.CREATED
};
_context.Orders.Add(newOrder);
int value = await _context.SaveChangesAsync(cancellationToken);
if (value > 0)
{
return(Unit.Value);
}
throw new Application.ExceptionHandler.
ExceptionHandler(System.Net.HttpStatusCode.Conflict,
new { message = "Buy product conflict" });
}
public async Task <Unit> Handle(DeleteProductCommand request, CancellationToken cancellationToken)
{
var entity = await _context.Products.FindAsync(request.ProductId);
if (entity == null)
{
throw new NotFoundException("Product", request.ProductId);
}
_context.Products.Remove(entity);
int value = await _context.SaveChangesAsync(cancellationToken);
if (value > 0)
{
return(Unit.Value);
}
throw new Application.ExceptionHandler.
ExceptionHandler(System.Net.HttpStatusCode.Conflict,
new { message = "Delete product conflict" });
}
public async Task <Unit> Handle(UpdateOrderCommand request, CancellationToken cancellationToken)
{
var entity = await _context.Orders.
FirstOrDefaultAsync(x => x.OrderId == request.OrderId, cancellationToken);
if (entity == null)
{
throw new NotFoundException("Order", request.OrderId);
}
entity.State = request.State;
int value = await _context.SaveChangesAsync(cancellationToken);
if (value > 0)
{
return(Unit.Value);
}
throw new Application.ExceptionHandler.
ExceptionHandler(System.Net.HttpStatusCode.Conflict,
new { message = "Update order conflict" });
}