public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequestMessage reqAsHttpRequestMessage,
CancellationToken cancellationToken)
{
try
{
NewRelic.Api.Agent.NewRelic.SetTransactionName("AddressService", "GetPostcodeCoordinates");
_logger.LogInformation("C# HTTP trigger function processed a request.");
// accept compressed requests (can't do this with middleware)
GetPostcodeCoordinatesRequest req = await HttpRequestMessageCompressionUtils.DeserialiseAsync <GetPostcodeCoordinatesRequest>(reqAsHttpRequestMessage);
if (req.IsValid(out var validationResults))
{
GetPostcodeCoordinatesResponse response = await _mediator.Send(req, cancellationToken);
return(new OkObjectResult(ResponseWrapper <GetPostcodeCoordinatesResponse, AddressServiceErrorCode> .CreateSuccessfulResponse(response)));
}
else
{
return(new ObjectResult(ResponseWrapper <GetPostcodeCoordinatesResponse, AddressServiceErrorCode> .CreateUnsuccessfulResponse(AddressServiceErrorCode.ValidationError, validationResults))
{
StatusCode = 422
});
}
}
catch (Exception ex)
{
_logger.LogErrorAndNotifyNewRelic($"Unhandled error in GetPostcodeCoordinates", ex);
return(new ObjectResult(ResponseWrapper <GetPostcodeCoordinatesResponse, AddressServiceErrorCode> .CreateUnsuccessfulResponse(AddressServiceErrorCode.UnhandledError, "Internal Error"))
{
StatusCode = StatusCodes.Status500InternalServerError
});
}
}
public async Task DeserialisationWhenContentIsNotCompressed()
{
var postcodeWithRadius = new PostcodeWithRadius()
{
Id = 1,
Postcode = "NG1 5FS",
RadiusInMetres = 100
};
var json = Utf8Json.JsonSerializer.ToJsonString(postcodeWithRadius);
var httpRequestMessage = new HttpRequestMessage()
{
Content = new StringContent(json)
};
var result = await HttpRequestMessageCompressionUtils.DeserialiseAsync <PostcodeWithRadius>(httpRequestMessage);
Assert.AreEqual(postcodeWithRadius.Id, result.Id);
Assert.AreEqual(postcodeWithRadius.Postcode, result.Postcode);
Assert.AreEqual(postcodeWithRadius.RadiusInMetres, result.RadiusInMetres);
}
public async Task DeserialisationWhenContentIsCompressed()
{
var postcodeWithRadius = new PostcodeWithRadius()
{
Id = 1,
Postcode = "NG1 5FS",
RadiusInMetres = 100
};
var json = Utf8Json.JsonSerializer.ToJsonString(postcodeWithRadius);
byte[] jsonBytes = Encoding.UTF8.GetBytes(json);
MemoryStream ms = new MemoryStream();
using (GZipStream gzip = new GZipStream(ms, CompressionMode.Compress, true))
{
gzip.Write(jsonBytes, 0, jsonBytes.Length);
}
ms.Position = 0;
StreamContent content = new StreamContent(ms);
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
content.Headers.ContentEncoding.Add("gzip");
var httpRequestMessage = new HttpRequestMessage()
{
Content = content
};
var result = await HttpRequestMessageCompressionUtils.DeserialiseAsync <PostcodeWithRadius>(httpRequestMessage);
Assert.AreEqual(postcodeWithRadius.Id, result.Id);
Assert.AreEqual(postcodeWithRadius.Postcode, result.Postcode);
Assert.AreEqual(postcodeWithRadius.RadiusInMetres, result.RadiusInMetres);
}
