public async Task <IActionResult> Execute(JObject jObj, string subject, string commonId)
{
if (jObj == null)
{
throw new ArgumentNullException(nameof(jObj));
}
if (string.IsNullOrWhiteSpace(subject))
{
throw new ArgumentNullException(nameof(subject));
}
AddDiscountCommand command = null;
try
{
command = _requestBuilder.GetAddDiscountCommand(jObj);
}
catch (ArgumentException ex)
{
var error = _responseBuilder.GetError(ErrorCodes.Request, ex.Message);
return(_controllerHelper.BuildResponse(HttpStatusCode.BadRequest, error));
}
var validationResult = await _validator.Validate(command, subject);
if (!validationResult.IsValid)
{
var error = _responseBuilder.GetError(ErrorCodes.Request, validationResult.Message);
return(_controllerHelper.BuildResponse(HttpStatusCode.BadRequest, error));
}
command.CommonId = commonId;
command.Subject = subject;
_commandSender.Send(command);
return(new OkResult());
}
public async Task <AddDiscountValidationResult> Validate(AddDiscountCommand command, string subject)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
if (command.ProductIds == null || !command.ProductIds.Any())
{
return(new AddDiscountValidationResult(string.Format(ErrorDescriptions.TheParameterIsMandatory, Constants.DtoNames.DiscountNames.ProductIds)));
}
if (command.Value <= 0)
{
return(new AddDiscountValidationResult(string.Format(ErrorDescriptions.TheParameterIsMandatory, Constants.DtoNames.DiscountNames.Value)));
}
if ((command.Validity == DiscountAggregateValidities.Counter || command.Validity == DiscountAggregateValidities.Both) && command.Counter <= 0)
{
return(new AddDiscountValidationResult(string.Format(ErrorDescriptions.TheParameterIsMandatory, Constants.DtoNames.DiscountNames.Counter)));
}
if ((command.Validity == DiscountAggregateValidities.Timer || command.Validity == DiscountAggregateValidities.Both))
{
if (command.StartDateTime.Equals(default(DateTime)))
{
return(new AddDiscountValidationResult(string.Format(ErrorDescriptions.TheParameterIsMandatory, Constants.DtoNames.DiscountNames.StartDateTime)));
}
if (command.EndDateTime.Equals(default(DateTime)))
{
return(new AddDiscountValidationResult(string.Format(ErrorDescriptions.TheParameterIsMandatory, Constants.DtoNames.DiscountNames.EndDateTime)));
}
if (command.StartDateTime >= command.EndDateTime)
{
return(new AddDiscountValidationResult(ErrorDescriptions.TheStartDateMustBeInferiorToEndDate));
}
}
var products = await _productRepository.Search(new SearchProductsParameter
{
ProductIds = command.ProductIds
});
if (products.Content == null || products.Content.Count() != command.ProductIds.Count())
{
return(new AddDiscountValidationResult(ErrorDescriptions.SomeProductsDontExist));
}
if ((command.Validity == DiscountAggregateValidities.Counter || command.Validity == DiscountAggregateValidities.Both) &&
command.PromotionType == DiscountAggregatePromotions.FixedAmount && products.Content.Any(p => p.Price <= command.Value))
{
return(new AddDiscountValidationResult(ErrorDescriptions.TheProductPriceCannotBeInferiorToTheDiscount));
}
var shopIds = products.Content.Select(p => p.ShopId).Distinct();
if (shopIds.Count() != 1)
{
return(new AddDiscountValidationResult(ErrorDescriptions.TheProductsShouldBelongsToTheSameShop));
}
var shop = await _shopRepository.Get(shopIds.First());
if (shop.Subject != subject)
{
return(new AddDiscountValidationResult(ErrorDescriptions.TheDiscountCannotBeAddedByYou));
}
return(new AddDiscountValidationResult());
}
