Moved get_todays_usage to service class

app.py

@@ -100,6 +100,7 @@ db.create_all()
 daily_total = get_todays_usage()
 todays_cost = get_todays_cost()
 print(get_todays_usage())
+print(daily_usage.DailyUsage.get_todays_usage())
 print(get_todays_cost())
 
 # Create dictionary to store pin info

services/daily_usage.py

+from datetime import datetime, date
+
+from sqlalchemy import desc
+
+
 class DailyUsage:
 
     @staticmethod
     def test_me(msg):
         print(msg)
-        
\ No newline at end of file
+
+    @staticmethod
+    def get_todays_usage():
+        latest_entry = DailyUsage.query.order_by(desc(DailyUsage.date)).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():
+                return format(latest_entry.kwhUsed, '.7f')
+        return 0
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