public async Task <Result <Unit> > Handle(Command request, CancellationToken cancellationToken)
{
var user = await _context.Users.FirstOrDefaultAsync(x => x.UserName == _userAccessor.GetUsername());
var participant = new TodoParticipant
{
User = user,
Todo = request.Todo,
IsOwner = true
};
request.Todo.Participants.Add(participant);
request.Todo.Category = await _context.Categories.FirstOrDefaultAsync(x => x.Id == request.Todo.Category.Id);
_context.Todos.Add(request.Todo);
var result = await _context.SaveChangesAsync() > 0;
if (!result)
{
return(Result <Unit> .Failure("Failed to create todo"));
}
return(Result <Unit> .Success(Unit.Value));
}
public async Task <Result <Unit> > Handle(Command request, CancellationToken cancellationToken)
{
var todo = await _context.Todos.Include(t => t.Participants).ThenInclude(u => u.User).FirstOrDefaultAsync(user => user.Id == request.Id);
if (todo == null)
{
return(null);
}
var user = await _context.Users.FirstOrDefaultAsync(u => u.UserName == _userAccessor.GetUsername());
if (user == null)
{
return(null);
}
var ownerUserName = todo.Participants.FirstOrDefault(p => p.IsOwner)?.User?.UserName;
var participation = todo.Participants.FirstOrDefault(p => p.User.UserName == user.UserName);
if (participation == null)
{
participation = new TodoParticipant
{
User = user,
Todo = todo,
IsOwner = false,
};
todo.Participants.Add(participation);
}
var result = await _context.SaveChangesAsync() > 0;
return(result ? Result <Unit> .Success(Unit.Value) : Result <Unit> .Failure("Problem updating participation"));
}