public async Task <IActionResult> Index(string userId)
{
var userInDb = await _context.Users.Where(x => x.Id == userId).FirstOrDefaultAsync();
if (userInDb == null)
{
return(NotFound("You have to be logged in."));
}
if (userInDb.UserName != User.Identity.Name)
{
ModelState.AddModelError("", "Unauthorized, you have to login first.");
return(RedirectToAction("Index", "Home"));
}
var byteImageFile = await _fileServiceAPI.GetUserProfileImage(userInDb.Id);
var model = new ProfileImageFileModel {
UserId = userInDb.Id
};
if (byteImageFile != null)
{
model.HasLogo = byteImageFile.Value != null && byteImageFile.Value.Length > 0;
model.MimeType = byteImageFile.Value.GetMimeTypeFromImageBytes();
model.Base64Image = model.HasLogo ? Convert.ToBase64String(byteImageFile.Value) : null;
}
return(View(model));
}
public async Task <IActionResult> UploadAsync(ProfileImageFileModel model)
{
if (string.IsNullOrWhiteSpace(model.Base64Image) || model.Base64Image.Length < 7)
{
ModelState.AddModelError(string.Empty, "Please upload an image.");
return(View("Index", model));
}
var base64String = model.Base64Image.Split(',')[1];
if (!base64String.IsBase64String())
{
ModelState.AddModelError(string.Empty, "The image could not be processed.");
return(View("Index", model));
}
var bytes = Convert.FromBase64String(base64String);
if (!bytes.IsValidImage())
{
ModelState.AddModelError(string.Empty, "Unsupported image format.");
return(View("Index", model));
}
var bytePart = new ByteArrayPart(bytes, "image", "application/json");
var response = await _fileServiceAPI.UploadProfileImage(model.UserId, bytePart);
if (response.StatusCode == HttpStatusCode.BadRequest)
{
ModelState.AddModelError(string.Empty, "User already has a profile picture, delete it to upload new");
return(View("Index", model));
}
return(RedirectToAction("Index", new { userId = model.UserId }));
}