87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
from __future__ import print_function
|
|
from django.contrib.auth.models import User
|
|
from django.forms import ValidationError, MultipleChoiceField
|
|
from django.utils.translation import ugettext as _
|
|
|
|
from docbow_project.docbow import pyuca
|
|
from docbow_project.docbow.models import username, MailingList
|
|
from docbow_project.docbow.widgets import ForcedValueWidget, FilteredSelectMultiple
|
|
|
|
|
|
def order_choices(choices):
|
|
'''Sort choices using Unicode collations'''
|
|
return sorted(list(choices), key=lambda x: pyuca.collator.sort_key(x[1]))
|
|
|
|
|
|
def order_field_choices(field):
|
|
'''Order choices of this field'''
|
|
choices = list(field.choices)
|
|
|
|
field.choices = [choice for choice in choices if choice[1].startswith('---')] + order_choices(
|
|
[choice for choice in field.choices if not choice[1].startswith('---')]
|
|
)
|
|
print(field.choices)
|
|
|
|
|
|
class Func2Iter(object):
|
|
'''Transform a generator producing function into an iterator'''
|
|
|
|
def __init__(self, func):
|
|
self.func = func
|
|
|
|
def __iter__(self):
|
|
return self.func().__iter__()
|
|
|
|
|
|
class RecipientField(MultipleChoiceField):
|
|
'''Field allowing selection among user or list for recipients'''
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self.user = kwargs.pop('user', None)
|
|
self.user_qs = kwargs.pop('user_qs', User.objects.filter())
|
|
self.user_qs = self.user_qs.filter(is_active=True, delegations_by__isnull=True)
|
|
self.list_qs = kwargs.pop('list_qs', MailingList.objects.active())
|
|
super(RecipientField, self).__init__(*args, **kwargs)
|
|
self._choices = self.widget.choices = Func2Iter(self.get_recipients_choices)
|
|
|
|
def reset_choices(self):
|
|
'''Reset the list of choices'''
|
|
self._set_choices(Func2Iter(self.get_recipients_choices))
|
|
|
|
def get_recipients_choices(self):
|
|
'''
|
|
Create a unique list of recipients from the list of users and the
|
|
list of mailing-lists.
|
|
'''
|
|
users = self.user_qs
|
|
if self.user:
|
|
users = users.exclude(pk=self.user.pk)
|
|
lists = self.list_qs
|
|
user_choices = []
|
|
list_choices = []
|
|
for user in users:
|
|
i = 'user-%s' % user.id
|
|
name = username(user)
|
|
user_choices.append((i, name))
|
|
user_choices = order_choices(user_choices)
|
|
for mailing_list in lists:
|
|
i = 'list-%s' % mailing_list.id
|
|
list_choices.append((i, mailing_list.name))
|
|
list_choices = order_choices(list_choices)
|
|
if list_choices and user_choices:
|
|
choices = list_choices + [('', '---')] + user_choices
|
|
else:
|
|
choices = list_choices + user_choices
|
|
if len(choices) == 1:
|
|
self.widget = ForcedValueWidget(value=[choices[0][0]], display_value=choices[0][1])
|
|
else:
|
|
self.widget = FilteredSelectMultiple(_('Recipients'), False)
|
|
return choices
|
|
|
|
def clean(self, value):
|
|
'''Validate that the value is not empty.'''
|
|
value = super(RecipientField, self).clean(value)
|
|
if not value:
|
|
raise ValidationError(_(u'you must set at least one user recipient or one list recipient...'))
|
|
return value
|