public async Task <IResultModel <ProductDto> > Handle(GetProductRequest request, CancellationToken cancellationToken)
{
var maybeProduct = await this.productsProvider.GetAsync(request.Id);
var resultModel = maybeProduct.Unwrap(
(product) => ResultModel <ProductDto> .Ok((ProductDto)product),
() => ResultModel <ProductDto> .Failure(ApiResultExtensions.NotFound(nameof(Product), request.Id), ProductDto.None));
return(resultModel);
}
public async Task <IResultModel> Handle(UpdateProductCommand request, CancellationToken cancellationToken)
{
var maybeProduct = await this.productsRepository.GetAsync(request.Id);
var resultModel = await maybeProduct.Unwrap((product) => this.EditProductInformationAsync(request, product, cancellationToken),
() =>
{
this.logger.LogWarning($"Product with id: {request.Id} not found in database.");
return(ResultModel.Fail(ApiResultExtensions.NotFound(nameof(Product), request.Id)));
});
return(resultModel);
}
public async Task <IResultModel> Handle(DeleteProductCommand request, CancellationToken cancellationToken)
{
var maybeProduct = await this.productsRepository.GetAsync(request.Id);
var resultModel = await maybeProduct.Unwrap((async product =>
{
product.Remove();
await this.productsRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
return(ResultModel.Ok());
}),
() =>
{
this.logger.LogWarning($"Product with id: {request.Id} not found in database.");
return(Task.FromResult(ResultModel.Fail(ApiResultExtensions.NotFound(nameof(Product), request.Id))));
});
return(resultModel);
}
public static IResultModel ToResultModel <T>(this Result <T> result)
{
return(result.Success ?
ResultModel.Ok() :
ResultModel.Fail(ApiResultExtensions.ValidationFailed($"Error: {result.Error}, Field: {result.Field}")));
}