Store time codes as timestamps in database

util.py

@@ -4,9 +4,12 @@ TIME_FMT = "%H:%M"
 DATE_FMT = "%Y-%m-%d"
 
 
-def str_to_time(data: str) -> datetime.time:
+def str_to_datetime(data: str) -> datetime.datetime:
+    """
+    Convert %H:%M formatted string into a python datetime object
+    """
     data = ":".join(data.split(":")[:2])
-    return datetime.datetime.strptime(data, TIME_FMT).time()
+    return datetime.datetime.strptime(data, TIME_FMT)
 
 
 def time_to_str(data: datetime.time) -> str:
@@ -16,3 +19,18 @@ def time_to_str(data: datetime.time) -> str:
     :return: str
     """
     return data.strftime(TIME_FMT)
+
+
+def combine_datetime(date: datetime.date, time: datetime.time):
+    """
+    Combine a date and time object into a datetime object
+    """
+    return datetime.datetime(
+        date.year,
+        date.month,
+        date.day,
+        time.hour,
+        time.minute,
+        time.second,
+        time.microsecond
+    )