Fix not tracking usage

app.py

@@ -36,7 +36,7 @@ class DailyUsage(db.Model):
 
 
 def get_todays_usage():
-    latest_entry = db.session.query(DailyUsage).order_by(DailyUsage.id.desc()).first()
+    latest_entry = db.session.query(DailyUsage).order_by(DailyUsage.date.asc()).first()
     if latest_entry:
         latest_entry_date = date(latest_entry.date.year, latest_entry.date.month, latest_entry.date.day)
         if latest_entry_date == datetime.today().date():