public async Task <IHttpActionResult> UploadDepFile(int id)
        {
            HttpRequestMessage request = this.Request;

            if (!request.Content.IsMimeMultipartContent())
            {
                throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
            }
            try
            {
                var streamProvider = new FilenameMultipartFormDataStreamProvider(ServerUploadFolder);
                await Request.Content.ReadAsMultipartAsync(streamProvider);


                var fileName = Path.GetFileName(streamProvider.FileData.Select(entry => entry.LocalFileName).First());

                var dep = db.Departments.Find(id);

                if (dep == null)
                {
                    return(NotFound());
                }

                dep.URLImage = "img/" + fileName;

                db.Entry(dep).State = System.Data.Entity.EntityState.Modified;

                db.SaveChanges();
                return(Ok(Constants.ThisServer + "img/" + fileName));
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex));
            }
        }
        public async Task <IHttpActionResult> UploadFile(int id)
        {
            HttpRequestMessage request = this.Request;

            if (!request.Content.IsMimeMultipartContent())
            {
                throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
            }
            try
            {
                var currentUser = db.Users.FirstOrDefault(x => x.Email == this.User.Identity.Name);

                if (currentUser == null)
                {
                    return(NotFound());
                }

                if (!this.User.IsInRole(Roles.Administrator) && id != currentUser.UserId)
                {
                    return(Content(HttpStatusCode.Forbidden, Messages.AccsesDenied));
                }

                var streamProvider = new FilenameMultipartFormDataStreamProvider(ServerUploadFolder);
                await Request.Content.ReadAsMultipartAsync(streamProvider);


                var fileName = Path.GetFileName(streamProvider.FileData.Select(entry => entry.LocalFileName).First());

                var user = db.Users.Find(id);

                if (user == null)
                {
                    return(NotFound());
                }

                user.URLImage = "img/" + fileName;

                db.Entry(user).State = System.Data.Entity.EntityState.Modified;

                db.SaveChanges();
                return(Ok(Constants.ThisServer + "img/" + fileName));
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex));
            }
        }