public async Task <IActionResult> PutTodo(Guid id, TodoRequest todo)
        {
            if (id == Guid.Empty)
            {
                return(BadRequest());
            }

            //MAP
            var todoToEdit = todo.Adapt <Todo>();

            todoToEdit.Id = id;

            _context.Entry(todoToEdit).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!TodoExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <ActionResult <Todo> > PostTodo(TodoRequest todo)
        {
            //VALIDATE

            //MAP
            var newTodo = todo.Adapt <Todo>();

            _context.Todos.Add(newTodo);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetTodo", new { id = newTodo.Id }, newTodo));
        }