public override async Task <CreateUserResponse> Handle(CreateUserRequest message)
{
var user = _mapper.Map <User>(message);
if (user.UserKey == default)
{
return(Error(ErrorType.InvalidKey));
}
var isEmailAddressUniqueHandler = new UserEmailExistsRequestHandler(_context);
var request = new UserEmailExistsRequest
{
CurrentUserKey = message.UserKey,
EmailAddress = message.EmailAddress
};
var response = await isEmailAddressUniqueHandler.Handle(request);
if (response.EmailExists)
{
return(Error(ErrorType.EmailExists));
}
_context.Users.Add(user);
if (!await _context.TrySaveChangesAsync())
{
return(new CreateUserResponse());
}
var userCreatedEvent = _mapper.Map <UserCreatedEvent>(user);
await _bus.PublishAsync(userCreatedEvent);
return(Success());
}
public override async Task <UpdateUserResponse> Handle(UpdateUserRequest message)
{
var existingUser = await _context.Users.FirstOrDefaultAsync(u => u.UserKey == message.UserKey);
if (existingUser == null)
{
return(Error(ErrorType.NotFound));
}
var isEmailAddressUniqueHandler = new UserEmailExistsRequestHandler(_context);
var request = new UserEmailExistsRequest
{
CurrentUserKey = message.UserKey,
EmailAddress = message.EmailAddress
};
var response = await isEmailAddressUniqueHandler.Handle(request);
if (response.EmailExists)
{
return(Error(ErrorType.EmailExists));
}
_context.Entry(existingUser).CurrentValues.SetValues(message);
if (!await _context.TrySaveChangesAsync())
{
return(new UpdateUserResponse());
}
var userUpdatedEvent = _mapper.Map <UserUpdatedEvent>(existingUser);
await _bus.PublishAsync(userUpdatedEvent);
return(Success());
}