the idea being that the user cares about rolling calorie totals per day, but we don't want to deal with the backend knowing the user's local time, preferred "end of day" etc, so we'll just implement a button in the app to say "right, onto the next one", which will call this method
the idea being that the user cares about rolling calorie totals per day, but we don't want to deal with the backend knowing the user's local time, preferred "end of day" etc, so we'll just implement a button in the app to say "right, onto the next one", which will call this method