def clean(self, value):
super(CommaSeparatedUserField, self).clean(value)
if not value:
return ''
if isinstance(value, (list, tuple)):
return value
names = set(value.split(','))
names_set = set([name.strip() for name in names if name.strip()])
users = list(User.objects.filter(**{'%s__in' % get_username_field(): names_set}))
unknown_names = names_set ^ set([getattr(user, get_username_field()) for user in users])
recipient_filter = self._recipient_filter
invalid_users = []
if recipient_filter is not None:
for r in users:
if recipient_filter(r) is False:
users.remove(r)
invalid_users.append(getattr(r, get_username_field()))
if unknown_names or invalid_users:
raise forms.ValidationError(_(u"The following usernames are incorrect: %(users)s") % {
'users': ', '.join(list(unknown_names) + invalid_users)})
return users
def clean(self, value):
super(CommaSeparatedUserField, self).clean(value)
if not value:
return ''
if isinstance(value, (list, tuple)):
return value
names = set(value.split(','))
names_set = set([name.strip() for name in names if name.strip()])
users = list(
User.objects.filter(
**{'%s__in' % get_username_field(): names_set}))
unknown_names = names_set ^ set(
[getattr(user, get_username_field()) for user in users])
recipient_filter = self._recipient_filter
invalid_users = []
if recipient_filter is not None:
for r in users:
if recipient_filter(r) is False:
users.remove(r)
invalid_users.append(getattr(r, get_username_field()))
if unknown_names or invalid_users:
raise forms.ValidationError(
_(u"The following usernames are incorrect: %(users)s") %
{'users': ', '.join(list(unknown_names) + invalid_users)})
return users
def prepare_value(self, value):
if value is None:
value = ''
elif isinstance(value, (list, tuple)):
value = (', '.join(
[getattr(user, get_username_field()) for user in value]))
return value
def render(self, name, value, attrs=None):
if value is None:
value = ''
elif isinstance(value, (list, tuple)):
value = (', '.join(
[getattr(user, get_username_field()) for user in value]))
return super(CommaSeparatedUserInput, self).render(name, value, attrs)
def compose(request,
recipient=None,
form_class=ComposeForm,
template_name='messages/compose.html',
success_url=None,
recipient_filter=None):
"""
Displays and handles the ``form_class`` form to compose new messages.
Required Arguments: None
Optional Arguments:
``recipient``: username of a `django.contrib.auth` User, who should
receive the message, optionally multiple usernames
could be separated by a '+'
``form_class``: the form-class to use
``template_name``: the template to use
``success_url``: where to redirect after successfull submission
"""
if request.method == "POST":
sender = request.user
form = form_class(request.POST, recipient_filter=recipient_filter)
if form.is_valid():
form.save(sender=request.user)
messages.info(request, _(u"Message successfully sent."))
if success_url is None:
success_url = reverse('messages_inbox')
if request.GET.has_key('next'):
success_url = request.GET['next']
return HttpResponseRedirect(success_url)
else:
form = form_class()
if recipient is not None:
recipients = [
u for u in User.objects.filter(
**{
'%s__in' % get_username_field():
[r.strip() for r in recipient.split('+')]
})
]
form.fields['recipient'].initial = recipients
return render_to_response(template_name, {
'form': form,
},
context_instance=RequestContext(request))
def render(self, name, value, attrs=None):
if value is None:
value = ''
elif isinstance(value, (list, tuple)):
value = (', '.join([getattr(user, get_username_field()) for user in value]))
return super(CommaSeparatedUserInput, self).render(name, value, attrs)