How to read file from request object

Reading files from request object

using System.IO.Abstractions;

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Net.Http;

using System.Threading.Tasks;

namespace Helper.Utility

{

    public class UploadFile

    {

        private readonly IFileSystem _fileSystem;

        public UploadFile(IFileSystem fileSystem)

        {

            _fileSystem = fileSystem;

        }

        public Task<IEnumerable<string>> SaveTransferedFile(HttpRequestMessage request, string filePath)

        {

            var streamProvider = new MultipartFormDataStreamProvider(filePath);

            var task = request.Content.ReadAsMultipartAsync(streamProvider).ContinueWith(t =>

            {

                var fileInfo = streamProvider.FileData.Select(i =>

                {

                    var disposition = i.Headers.ContentDisposition;

                    string newFileName = disposition.FileName;

                    newFileName = newFileName.Split('\\')[newFileName.Split('\\').Length - 1].Replace("\"",

                        string.Empty);

                    newFileName = Path.Combine(filePath, newFileName);

                    try

                    {

                        if (_fileSystem.File.Exists(newFileName))

                            _fileSystem.File.Delete(newFileName);

                        _fileSystem.File.Move(i.LocalFileName, newFileName);

                    }

                    catch (Exception ex)

                    {

                        //SsiLogger.Logger.Error("File {0} renaming failed {1} ", i.LocalFileName, ex.Message);

                        throw;

                    }

                    return (true).ToString();

                });

                return fileInfo;

            });

            return task;

        }

    }

}