public async Task <RemoveShopCommentValidationResult> Validate(RemoveProductCommentCommand command)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
var shop = await _productRepository.Get(command.ProductId);
if (shop == null)
{
return(new RemoveShopCommentValidationResult(ErrorDescriptions.TheProductDoesntExist));
}
var comment = shop.Comments == null ? null : shop.Comments.FirstOrDefault(c => c.Id == command.CommentId);
if (comment == null)
{
return(new RemoveShopCommentValidationResult(ErrorDescriptions.TheCommentDoesntExist));
}
if (comment.Subject != command.Subject)
{
return(new RemoveShopCommentValidationResult(ErrorDescriptions.TheCommentCannotBeRemovedByYou));
}
return(new RemoveShopCommentValidationResult());
}
public async Task Handle(RemoveProductCommentCommand message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var record = await _productRepository.Get(message.ProductId);
if (record == null)
{
return;
}
var productComment = record.Comments == null ? null : record.Comments.FirstOrDefault(f => f.Id == message.CommentId);
if (productComment == null)
{
return;
}
record.RemoveComment(productComment);
await _productRepository.Update(record);
_eventPublisher.Publish(new ProductCommentRemovedEvent
{
Id = message.CommentId,
ProductId = message.ProductId,
AverageScore = record.AverageScore,
ShopId = record.ShopId,
CommonId = message.CommonId,
NbComments = record.Comments == null ? 0 : record.Comments.Count()
});
}
public async Task <IActionResult> Execute(RemoveProductCommentCommand command)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
var validationResult = await _validator.Validate(command);
if (!validationResult.IsValid)
{
var error = _responseBuilder.GetError(ErrorCodes.Server, validationResult.Message);
return(_controllerHelper.BuildResponse(System.Net.HttpStatusCode.BadRequest, error));
}
_commandSender.Send(command);
return(new OkResult());
}
