Rewrite food apps, new feature some changes to model

apps/food/utils.py

@@ -0,0 +1,53 @@
+# Copyright (C) 2018-2025 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.utils.translation import gettext_lazy as _
+
+seconds = (_('second'), _('seconds'))
+minutes = (_('minute'), _('minutes'))
+hours = (_('hour'), _('hours'))
+days = (_('day'), _('days'))
+weeks = (_('week'), _('weeks'))
+
+
+def plural(x):
+    if x == 1:
+        return 0
+    return 1
+
+
+def pretty_duration(duration):
+    """
+    I receive datetime.timedelta object
+    You receive string object
+    """
+    text = []
+    sec = duration.seconds
+    d = duration.days
+
+    if d >= 7:
+        w = d // 7
+        text.append(str(w) + ' ' + weeks[plural(w)])
+        d -= w * 7
+    if d > 0:
+        text.append(str(d) + ' ' + days[plural(d)])
+
+    if sec >= 3600:
+        h = sec // 3600
+        text.append(str(h) + ' ' + hours[plural(h)])
+        sec -= h * 3600
+
+    if sec >= 60:
+        m = sec // 60
+        text.append(str(m) + ' ' + minutes[plural(m)])
+        sec -= m * 60
+
+    if sec > 0:
+        text.append(str(sec) + ' ' + seconds[plural(sec)])
+
+    if len(text) == 0:
+        return ''
+    if len(text) == 1:
+        return text[0]
+    if len(text) >= 2:
+        return ', '.join(t for t in text[:-1]) + ' ' + _('and') + ' ' + text[-1]