public JsonResult ProcessException(Exception ex, string message)
{
var errorResult = new JsonResult(message + ex.Message);
Logger.LogError(category:"DivineBaseController",
message: message,
exception: ex, username:CurrentUser,
clientIp: DisplayUrl,
serverIp: Environment.MachineName );
errorResult.StatusCode = (int)HttpStatusCode.BadRequest;
return errorResult;
}
public async Task<IActionResult> Classifiers([FromBody]CreateClassifierViewModel viewModel)
{
if (viewModel == null)
{
return BadRequest("Missing view model");
}
// get zip file for each selected bundle
ClassPositiveExamples[] positiveExamples = viewModel.Bundles
.Where(m => !m.StartsWith("negative")).Select(m => new ClassPositiveExamples()
{
ClassName = viewModel.Names[viewModel.Bundles.IndexOf(m)],
FileName = Path.Combine(_hostingEnvironment.WebRootPath, "images", "bundles", viewModel.Kind, m + ".zip")
}).ToArray();
var negativeBundle = viewModel.Bundles.FirstOrDefault(m => m.StartsWith("negative"));
string negativeZipFile = null;
if (negativeBundle != null)
{
negativeZipFile =
Path.Combine(_hostingEnvironment.WebRootPath, "images", "bundles", viewModel.Kind, negativeBundle + ".zip");
}
// call VisualRecognitionService and return the created classifier
var result = new JsonResult(await _visualRecognitionService.CreateClassifierAsync(viewModel.Name, negativeZipFile, positiveExamples));
// cleanup can happen after the result is returned to the front-end
// disable the warning about this task continuing after the method ends
#pragma warning disable 4014
Task.Run(() =>
{
// delete the classifier after 1 hour
if (((Classifier)result?.Value)?.ClassifierId != null)
{
var classifierId = ((Classifier)result.Value).ClassifierId;
Task.Factory.StartNew(() =>
{
Task.Delay(new TimeSpan(1, 0, 0)).ContinueWith(async (task) =>
{
await _visualRecognitionService
.DeleteClassifierAsync(classifierId);
});
});
}
});
#pragma warning restore 4014
result.StatusCode = 200;
return result;
}
public async Task ExecuteAsync_WritesJsonContent()
{
// Arrange
var value = new { foo = "abcd" };
var expected = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(value));
var context = GetActionContext();
var result = new JsonResult(value);
// Act
await result.ExecuteResultAsync(context);
// Assert
var written = GetWrittenBytes(context.HttpContext);
Assert.Equal(expected, written);
Assert.Equal("application/json; charset=utf-8", context.HttpContext.Response.ContentType);
}
private static void HandleException(ExceptionContext context)
{
//todo: logging
if (!context.IsAjaxRequest())
{
return;
}
var data = new ApiError
{
Errors = new Dictionary<string, IEnumerable<string>>
{
{"*", new[] {context.Exception.Message}}
}
};
var jsonResult = new JsonResult(data) {StatusCode = (int) HttpStatusCode.InternalServerError};
context.Result = jsonResult;
}
public static IActionResult Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
ILogger log, ExecutionContext context,
[Queue("report-generation", Connection = "AzureWebJobsStorage")] out string reportName)
{
log.LogInformation("C# HTTP trigger function processed a request.");
string name = req.Query["name"];
string requestBody = new StreamReader(req.Body).ReadToEnd();
dynamic data = JsonConvert.DeserializeObject(requestBody);
reportName = name ?? data?.name;
var res = new Microsoft.AspNetCore.Mvc.JsonResult(new { queued = reportName });
return(res);
}
public JsonResult CustomContentType()
{
var result = new JsonResult(new { Message = "hello" });
result.ContentType = "application/message+json";
return result;
}
private async Task<JsonResult> ProcessUpload(IFormFile file)
{
Trace.TraceInformation("Process upload for {0}", file.ToString());
var t = DateTime.UtcNow - new DateTime(1970, 1, 1);
var epoch = (int)t.TotalSeconds;
var sourceName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
var filePath = Path.GetTempFileName();
string url = null;
// Save locally
using (var stream = System.IO.File.OpenWrite(filePath))
{
await file.CopyToAsync(stream);
}
try
{
var resultPaths = ConvertFiles(filePath, sourceName);
if (resultPaths != null && resultPaths.Any())
{
foreach (var path in resultPaths)
{
Trace.TraceInformation("Moving to blob store: {0}", path);
var blobUri = await _storage.UploadFileToBlob(path, Path.GetFileName(path));
// Hack - Grab the destination URI for use later
if (blobUri.Contains(".dat"))
{
url = blobUri.Replace(".dat", string.Empty);
}
}
// update project name if appropriate
string projectName = Path.GetFileNameWithoutExtension(sourceName);
var projects = _storage.GetProjectsForUser(GetEmailFromUser());
if (projects.Where(p => string.Equals(p.Name, projectName, StringComparison.OrdinalIgnoreCase)).Any())
{
int versionNumber = projects.Count(p => p.Name.Contains(projectName)) + 1;
projectName = string.Format("{0} (v{1})", projectName, versionNumber);
}
_storage.SaveFileToTables(projectName, url, GetEmailFromUser());
}
}
catch (Exception ex)
{
var result = new JsonResult(new { error = "The server failed to process this file. Please verify source data is compatible." });
result.StatusCode = 500;
return result;
}
return Json(new { thumbnail = "url" + ".jpg" });
}