add templatetag to parse and format onlymoov durations (#15079)

combo_plugin_gnm/templatetags/gnm.py

@@ -77,3 +77,25 @@ def as_opening_hours_badge(data):
         label = 'Ouvert jusque %sh%02d' % (slots[0].end.hour, slots[0].end.minute)
 
     return mark_safe('<div class="badge %s"><span>%s</span></div>' % (klass, label))
+
+@register.filter
+def onlymoov_duration(string):
+    # take the hours and minutes components of duration strings provided by
+    # onlymoov, "PT1H16M3S", "PT1M35S"
+    try:
+        groups = re.match(r'PT(\d+H)?(\d+M)', string).groups()
+    except AttributeError: # didn't match
+        return '?'
+    hours = ''
+    if groups[0]:
+        nb_hours = int(groups[0][:-1])
+        if nb_hours > 1:
+            hours = '%s heures' % nb_hours
+        else:
+            hours = '%s heure' % nb_hours
+    nb_minutes = int(groups[1][:-1])
+    if nb_minutes == 0:
+        minutes = ''
+    else:
+        minutes = '%d min' % nb_minutes
+    return '%s %s' % (hours, minutes)