public async Task Add(ResourceAttachModel file)
        {
            try
            {
                if (file.File != null)
                {
                    string path = "/Files/" + file.FileName;
                    using (var fileStream = new FileStream(_appEnvironment.WebRootPath + path, FileMode.Create))
                    {
                        await file.File.CopyToAsync(fileStream);
                    }
                    ResourceAttachment model = new ResourceAttachment {
                        FileName = file.FileName, Path = file.Path, ResourceId = file.ResourceId
                    };
                    await _uow.Repository <ResourceAttachment>().Add(model);

                    await _uow.SaveChangesAsync();
                }
            }
            catch (Exception ex)
            {
                ex.Data[nameof(ResourceAttachModel)] = file;
                throw new Exception("Error when adding file {nameof(ProjectType)}", ex);
            }
        }
        public IActionResult UploadFile([FromBody] ResourceAttachModel resource)
        {
            if (resource == null)
            {
                throw new ArgumentException($"{nameof(resource)} cannot be null");
            }

            _attachment.Add(resource);
            return(Ok(resource));
        }