public async Task UploadNewImageForUser(long userId, IFormFile image)
{
UserImage newUserImage = new UserImage
{
Extension = Path.GetExtension(image.FileName)
};
// Register new image
await _databaseContext.UserImages.AddAsync(newUserImage);
await _databaseContext.SaveChangesAsync();
using (FileStream fileStream = File.Create(GetImagePath(newUserImage)))
{
await image.CopyToAsync(fileStream);
}
User targetUser = _databaseContext.Users.Include(user => user.Image).Single(user => user.Id == userId);
UserImage oldUserImage = targetUser.Image;
// Swap user image first, to ensure that foreign key constraint is not broken by removing the old image
targetUser.ImageId = newUserImage.Id;
await _databaseContext.SaveChangesAsync();
if (_databaseContext.UserImages.First().Id != oldUserImage.Id)
{
File.Delete(GetImagePath(oldUserImage));
_databaseContext.UserImages.Remove(oldUserImage);
await _databaseContext.SaveChangesAsync();
}
}
public async Task <IActionResult> Register([FromBody] UserCredentials userCredentials)
{
byte[] salt = _hashService.GenerateSalt();
await _databaseContext.Users.AddAsync(new User
{
CreatedAt = DateTime.Now,
Name = userCredentials.Username,
Password = _hashService.HashPassword(userCredentials.Password, salt),
Salt = Convert.ToBase64String(salt)
});
await _databaseContext.SaveChangesAsync();
if (_authService.Authorize(userCredentials.Username, userCredentials.Password, out ClientSession clientSession))
{
return(Ok(clientSession));
}
return(Unauthorized());
}
public async Task PostMessage([FromBody] Message message)
{
await _database.Messages.AddAsync(message);
await _database.SaveChangesAsync();
}
