public async Task <IActionResult> GetProductAsync([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "products/{productCode}")]
HttpRequest request, string productCode)
{
var correlationId = request.GetHeaderValue("correlationId");
if (string.IsNullOrWhiteSpace(correlationId))
{
return(new BadRequestObjectResult("correlationId is required in the HTTP header."));
}
var getProductRequest = new GetProductByCodeRequest
{
CorrelationId = correlationId,
ProductCode = productCode
};
var operation = await _productService.GetProductAsync(getProductRequest);
if (!operation.Status)
{
_logger.LogError("Error when getting product data {correlationId}", correlationId);
return(new InternalServerErrorResult());
}
var product = operation.Data;
if (product == null)
{
return(new NotFoundResult());
}
return(new OkObjectResult(operation.Data));
}
public async Task <Result <GetProductResponse> > Handle(GetProductByCodeRequest request, CancellationToken cancellationToken)
{
var query = new GetProductByCodeQuery(request.CorrelationId, request.ProductCode);
var operation = await _mediator.Send(query, cancellationToken);
if (!operation.Status)
{
return(Result <GetProductResponse> .Failure(operation.ErrorCode, operation.Validation));
}
var product = operation.Data;
if (product == null)
{
return(Result <GetProductResponse> .Failure(ErrorCodes.ProductNotFound, "Product not found."));
}
var productResponse = new GetProductResponse
{
ProductCode = request.ProductCode,
ProductName = product.ProductName
};
return(Result <GetProductResponse> .Success(productResponse));
}
public async Task <Result <GetProductResponse> > GetProductAsync(GetProductByCodeRequest request)
{
//
// TODO: Perform application validation here.
//
var cancellationToken = new CancellationTokenSource().Token;
var operation = await _dataService.GetProductAsync(request, cancellationToken);
if (!operation.Status)
{
return(Result <GetProductResponse> .Failure(operation.Validation));
}
var product = operation.Data;
if (product == null)
{
return(Result <GetProductResponse> .Success(null));
}
var productResponse = new GetProductResponse
{
ProductCode = product.ProductCode,
ProductName = product.ProductName
};
return(Result <GetProductResponse> .Success(productResponse));
}
public async Task <Result <GetProductResponse> > Handle(GetProductByCodeDto request, CancellationToken cancellationToken)
{
var serviceRequest = new GetProductByCodeRequest(request.CorrelationId, request.ProductCode);
var operation = await _mediator.Send(serviceRequest, cancellationToken);
return(operation);
}
public async Task <Result <Product> > GetProductAsync(GetProductByCodeRequest request, CancellationToken cancellationToken)
{
var query = new GetProductQuery(request.ProductCode);
var operation = await _mediator.Send(query, cancellationToken);
if (!operation.Status)
{
return(Result <Product> .Failure("", "Error occured when getting the product."));
}
return(Result <Product> .Success(operation.Data));
}
