adding -e/ -s flags to end/ start command

main.py

@@ -27,9 +27,11 @@ def create_parser():
     # Create the parser for the "start" command
     parser_start = subparsers.add_parser("start", help="Starting a new event.")
     parser_start.add_argument("name", help="Name of the event")
+    parser_start.add_argument("-s", "--start", help="Start datetime (default now)")
 
     # Create the parser for the "end" command
-    _ = subparsers.add_parser("end", help="Ending the current event.")
+    parser_end = subparsers.add_parser("end", help="Ending the current event.")
+    parser_end.add_argument("-e", "--end", help="End datetime")
 
     return parser
 
@@ -49,7 +51,11 @@ if __name__ == "__main__":
         if len(running):
             print("An event is already running.")
         else:
-            ds.add_time_slot(TimeSlot(args.name))
+            if args.start is not None:
+                s = datetime.strptime(args.start, '%d.%m.%y %H:%M')
+                ds.add_time_slot(TimeSlot(args.name, start=s))
+            else:
+                ds.add_time_slot(TimeSlot(args.name))
             print(f"Started event {args.name}.")
 
     elif args.command == "end":
@@ -60,7 +66,11 @@ if __name__ == "__main__":
         elif len(running) > 1:
             raise Exception("Found multiple running event.")
         else:
-            running[0].end_now()
+            if args.end is not None:
+                s = datetime.strptime(args.end, '%d.%m.%y %H:%M')
+                running[0].end = s
+            else:
+                running[0].end_now()
             ds.write_update()
             print(f"Ended event {running[0].name}.")