public IActionResult CreateImage([FromBody] ImageForCreate imageForCreate)
{
if (imageForCreate == null)
{
return(BadRequest());
}
if (!ModelState.IsValid)
{
// return 422 - Unprocessable Entity when validation fails
return(new NonprocessableEntityResult(ModelState));
}
// Automapper maps only the Title in our configuration
var imageEntity = Mapper.Map <Entities.Image>(imageForCreate);
// 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($"{webRootPath}/images/{fileName}");
// write bytes and auto-close stream
System.IO.File.WriteAllBytes(filePath, imageForCreate.Bytes);
// fill out the filename
imageEntity.FileName = fileName;
// Set the ownerId on the imageEntity
var ownerId = User.Claims.FirstOrDefault(c => c.Type == "sub").Value;
imageEntity.OwnerId = ownerId;
// add and save.
_galleryRepository.AddImage(imageEntity);
if (!_galleryRepository.Save())
{
throw new Exception($"Adding an image failed on save.");
}
var imageToReturn = Mapper.Map <Image>(imageEntity);
return(CreatedAtRoute("GetImage",
new { id = imageToReturn.Id },
imageToReturn));
}
public async Task <IActionResult> AddImage(AddImageViewModel addImageViewModel)
{
if (!ModelState.IsValid)
{
return(View());
}
// create an ImageForCreation instance
var imageForCreation = new ImageForCreate()
{
Title = addImageViewModel.Title
};
// take the first (only) file in the Files list
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();
}
}
// serialize it
var serializedImageForCreation = JsonConvert.SerializeObject(imageForCreation);
// call the API
var httpClient = await _imageGalleryHttpClient.GetClient();
var response = await httpClient.PostAsync(
$"api/images",
new StringContent(serializedImageForCreation, System.Text.Encoding.Unicode, "application/json"))
.ConfigureAwait(false);
if (response.IsSuccessStatusCode)
{
return(RedirectToAction("Index"));
}
throw new Exception($"A problem happened while calling the API: {response.ReasonPhrase}");
}
