public async Task OnTodoCompletedAsync(TodoCompletedEvent @event)
{
var todo = Todos.Single(t => t.Id == @event.TodoId);
todo.IsCompleted = true;
await Task.CompletedTask;
}
// async example
public async Task CompleteTodoAsync(Guid todoId)
{
var @event = new TodoCompletedEvent(Id, CurrentVersion, todoId);
await ApplyEventAsync(@event);
}
