public async Task RegisterUser(UserDto user)
{
var userEntity = await _blogContext.Users.FirstOrDefaultAsync();
if (userEntity != null)
{
_blogContext.Users.Remove(userEntity);
}
await _blogContext.Users.AddAsync(new Database.Models.User()
{
Name = user.Name,
Email = user.Email,
PasswordHash = _hashService.Generate(user.Password),
LastPasswordChangeDate = DateTime.UtcNow
});
await _blogContext.SaveChangesAsync();
}