public async Task <IActionResult> AddImage(AddImageViewModel addImageViewModel)
{
if (!ModelState.IsValid)
{
return(View());
}
var imageForCreation = new ImageForCreationModel {
Title = addImageViewModel.Title
};
var imageFile = addImageViewModel.Files.First();
if (imageFile.Length > 0)
{
using (var fileStream = imageFile.OpenReadStream())
using (var ms = new MemoryStream())
{
fileStream.CopyTo(ms);
imageForCreation.Bytes = ms.ToArray();
}
}
var serializedImageForCreation = JsonConvert.SerializeObject(imageForCreation);
var httpClient = await _imageGalleryHttpClient.GetHttpClientAsync();
var response = await httpClient.PostAsync(
$"api/images",
new StringContent(serializedImageForCreation, System.Text.Encoding.Unicode, "application/json"));
response.EnsureSuccessStatusCode();
return(RedirectToAction("Index"));
}
public async Task <IActionResult> CreateImage([FromBody] ImageForCreationModel imageForCreation)
{
if (imageForCreation == null)
{
return(BadRequest());
}
if (!ModelState.IsValid)
{
// return 422 - Unprocessable Entity when validation fails
return(new UnprocessableEntityObjectResult(ModelState));
}
// Automapper maps only the Title in our configuration
var imageEntity = _mapper.Map <Image>(imageForCreation);
// Create an image from the passed-in bytes (Base64), and
// set the filename on the image
// get this environment's web root path (the path
// from which static content, like an image, is served)
var webRootPath = _hostingEnvironment.WebRootPath;
// create the filename
string fileName = $"{Guid.NewGuid().ToString()}.jpg";
// the full file path
var filePath = Path.Combine($"{webRootPath}/images/{fileName}");
// write bytes and auto-close stream
System.IO.File.WriteAllBytes(filePath, imageForCreation.Bytes);
// fill out the filename
imageEntity.FileName = fileName;
// set the ownerId on the imageEntity
var ownerId = User.Claims.FirstOrDefault(c => c.Type == "sub").Value;
imageEntity.OwnerId = ownerId;
// add and save.
await _imagesService.AddImageAsync(imageEntity);
var imageToReturn = _mapper.Map <Image>(imageEntity);
return(CreatedAtRoute("GetImage", new { id = imageToReturn.Id }, imageToReturn));
}
