add setting for fallback locale

docs/settings.rst

@@ -68,6 +68,10 @@ These changes are visible throughout django-helpdesk
 
   **Default:** ``HELPDESK_EMAIL_SUBJECT_TEMPLATE = "{{ ticket.ticket }} {{ ticket.title|safe }} %(subject)s"``
 
+- **HELPDESK_EMAIL_FALLBACK_LOCALE** Fallback locale for templated emails when queue locale not found
+
+  **Default:** ``HELPDESK_EMAIL_FALLBACK_LOCALE= "en"``
+
 
 Options shown on public pages
 -----------------------------

helpdesk/lib.py

@@ -46,7 +46,7 @@ def send_templated_mail(template_name, email_context, recipients, sender=None, b
     fail_silently is passed to Django's mail routine. Set to 'True' to ignore
         any errors at send time.
 
-    files can be a list of tuple. Each tuple should be a filename to attach, 
+    files can be a list of tuple. Each tuple should be a filename to attach,
         along with the File objects to be read. files can be blank.
 
     """
@@ -56,7 +56,8 @@ def send_templated_mail(template_name, email_context, recipients, sender=None, b
     from django.template import loader, Context
 
     from helpdesk.models import EmailTemplate
-    from helpdesk.settings import HELPDESK_EMAIL_SUBJECT_TEMPLATE
+    from helpdesk.settings import HELPDESK_EMAIL_SUBJECT_TEMPLATE, \
+        HELPDESK_EMAIL_FALLBACK_LOCALE
     import os
 
     # RemovedInDjango110Warning: render() must be called with a dict, not a Context.
@@ -68,9 +69,9 @@ def send_templated_mail(template_name, email_context, recipients, sender=None, b
     if hasattr(context['queue'], 'locale'):
         locale = getattr(context['queue'], 'locale', '')
     else:
-        locale = context['queue'].get('locale', 'en')
+        locale = context['queue'].get('locale', HELPDESK_EMAIL_FALLBACK_LOCALE)
     if not locale:
-        locale = 'en'
+        locale = HELPDESK_EMAIL_FALLBACK_LOCALE
 
     t = None
     try:
@@ -90,7 +91,7 @@ def send_templated_mail(template_name, email_context, recipients, sender=None, b
         sender = settings.DEFAULT_FROM_EMAIL
 
     footer_file = os.path.join('helpdesk', locale, 'email_text_footer.txt')
-    
+
     # get_template_from_string was removed in Django 1.8 http://django.readthedocs.org/en/1.8.x/ref/templates/upgrading.html
     try:
         from django.template import engines
@@ -178,7 +179,7 @@ def apply_query(queryset, params):
     params is a dictionary that contains the following:
         filtering: A dict of Django ORM filters, eg:
             {'user__id__in': [1, 3, 103], 'title__contains': 'foo'}
-       
+
         search_string: A freetext search string
 
         sorting: The name of the column to sort by

helpdesk/settings.py

@@ -86,6 +86,9 @@ HELPDESK_STAFF_ONLY_TICKET_CC = getattr(settings, 'HELPDESK_STAFF_ONLY_TICKET_CC
 # allow the subject to have a configurable template.
 HELPDESK_EMAIL_SUBJECT_TEMPLATE = getattr(settings, 'HELPDESK_EMAIL_SUBJECT_TEMPLATE', "{{ ticket.ticket }} {{ ticket.title|safe }} %(subject)s")
 
+# default fallback locale when queue locale not found
+HELPDESK_EMAIL_FALLBACK_LOCALE = getattr(settings, 'HELPDESK_EMAIL_FALLBACK_LOCALE', 'en')
+
 
 ''' options for staff.create_ticket view '''
 # hide the 'assigned to' / 'Case owner' field from the 'create_ticket' view?