Image upload web API endpoint controller

UploadImage.cs

        /// <summary> Uploads an image file </summary>
        /// <returns>IHttpActionResult.</returns>
        [Route("api/file")]
        [HttpPost]
        public IHttpActionResult UploadImage()
        {
            if (Request.Content.IsMimeMultipartContent() == false)
            {
                throw new UnsupportedMediaTypeException("unsupported media type", null);
            }

            IEnumerable<HttpContent> httpContentParts = null;

            Task.Factory.StartNew(() => httpContentParts = Request.Content.ReadAsMultipartAsync()
                                                            .Result.Contents,
                                                            CancellationToken.None,
                                                            TaskCreationOptions.LongRunning,
                                                            TaskScheduler.Default).Wait();

            HttpContent fileContents = httpContentParts.First(f => f.Headers.ContentType != null &&
                                                                    // NOTE: file contents can have multiple filters, here the ContentDisposition Name is set by
                                                                    // the client, thus we match 'file_data'. This is simply to be used as an example, your filter options 
                                                                    // may vary depending on your requirements. 
                                                                    f.Headers.ContentDisposition.Name.Equals("\"file_data\"", StringComparison.InvariantCultureIgnoreCase));

            UploadFileContentsToBlobStorage(fileContents);

            return Ok();
        }