fix create game game exists coding error, fix timepicker default value

app/main/routes.py

@@ -39,11 +39,13 @@ def create_game():
     form.state.choices = [(state.value, state.name) for state in GameState]
 
     if form.validate_on_submit():
-        if Game.query.filter_by(name=form.game_name.data):
+        if Game.query.filter_by(name=form.game_name.data).first():
             flash('Please choose a different game name')
             return render_template('create_game.html', title='Create Game', form=form)
-        game = Game(name=form.game_name.data, start_time=form.start_time.data,
-                    end_time=form.end_time.data, state=GameState(form.state.data))
+        game = Game(name=form.game_name.data, 
+                    start_time=form.start_time.data,
+                    end_time=form.end_time.data, 
+                    state=GameState(form.state.data))
         game.players.append(GamePlayer(user=current_user, role=Role['owner']))
         db.session.add(game)
         db.session.commit()

app/templates/create_game.html

@@ -55,13 +55,13 @@
 <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/bootstrap-datetimepicker.min.js"></script>
 <script type="text/javascript">
     $(function () {
-        '{% if form.start_time_enabled %}'
+        '{% if not form.start_time_disabled.data %}'
         var startDate = new Date()
         '{% else %}'
         var startDate = null
         '{% endif %}'
 
-        '{% if form.end_time_enabled %}'
+        '{% if not form.end_time_disabled.data %}'
         var endDate = new Date()
         '{% else %}'
         var endDate = null