Increase the barmen timeout limit

La limite actuelle est trop faible. En soirée, on s'en fout. Mais en journée, c'est terriblement chiant. Certains barmens passent leur temps à rafraichir la la page, certains mettent un rechargement auto à intervalles réguliers (ce qui tue le concept du timeout), et d'autres encore ont juste arrêté d'y prêter attention (mais le comptoir apparait alors comme fermé, et des étudiants qui auraient pu venir au Foyer ne viennent finalement pas)

core/templates/core/base.jinja

@@ -73,9 +73,8 @@
                          Thus the barmen timeout is handled in the only place that
                          is loaded on every page : the header bar.
                          However, let's be clear : this has nothing to do here.
-                         It's' merely a contrived workaround in order not to setup
-                         a proper periodic task manager that has lived way too much.
-                         As Hubert Bonisseur De La Batte said : "s'agirait de grandir"#}
+                         It's' merely a contrived workaround that should
+                         replaced by a proper task manager as soon as possible. #}
                     {% set _ = Counter.objects.filter(type="BAR").handle_timeout() %}
                   {% endcache %}
                   {% for bar in Counter.objects.annotate_has_barman(user).annotate_is_open().filter(type="BAR") %}

sith/settings.py

@@ -612,14 +612,11 @@ SITH_CLUB_ROLES = {
 SITH_MAXIMUM_FREE_ROLE = 1
 
 # Minutes to timeout the logged barmen
-SITH_BARMAN_TIMEOUT = 20
+SITH_BARMAN_TIMEOUT = 30
 
 # Minutes to delete the last operations
 SITH_LAST_OPERATIONS_LIMIT = 10
 
-# Minutes for a counter to be inactive
-SITH_COUNTER_MINUTE_INACTIVE = 10
-
 # ET variables
 SITH_EBOUTIC_CB_ENABLED = True
 SITH_EBOUTIC_ET_URL = (