src/postorius/forms/user_forms.py

   1 # -*- coding: utf-8 -*-
   2 # Copyright (C) 2017-2021 by the Free Software Foundation, Inc.
   3 #
   4 # This file is part of Postorius.
   5 #
   6 # Postorius is free software: you can redistribute it and/or modify it under
   7 # the terms of the GNU General Public License as published by the Free
   8 # Software Foundation, either version 3 of the License, or (at your option)
   9 # any later version.
  10 #
  11 # Postorius is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14 # more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along with
  17 # Postorius.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20
  21 from django import forms
  22 from django.core.exceptions import ValidationError
  23 from django.utils.translation import gettext_lazy as _
  24
  25 from allauth.account.models import EmailAddress
  26
  27 from postorius.forms.fields import (
  28     NullBooleanRadioSelect, delivery_mode_field, delivery_status_field,
  29     moderation_action_field)
  30 from postorius.utils import LANGUAGES, with_empty_choice
  31
  32
  33 class UserPreferences(forms.Form):
  34
  35     """
  36     Form handling the user's global, address and subscription based preferences
  37     """
  38
  39     def __init__(self, *args, **kwargs):
  40         self._preferences = kwargs.pop('preferences', None)
  41         self.disabled_delivery_choices = kwargs.pop(
  42             'disabled_delivery_choices', [])
  43         super().__init__(*args, **kwargs)
  44         # Disable some options to be set.
  45         self.fields['delivery_status'].widget.disabled_choices = (
  46             self.disabled_delivery_choices)
  47
  48     @property
  49     def initial(self):
  50         # Redirect to the preferences, this allows setting the preferences
  51         # after instanciation and it will also set the initial data.
  52         return self._preferences or {}
  53
  54     @initial.setter
  55     def initial(self, value):
  56         pass
  57
  58     choices = ((True, _('Yes')), (False, _('No')))
  59
  60     delivery_status = delivery_status_field()
  61     delivery_mode = delivery_mode_field()
  62     receive_own_postings = forms.NullBooleanField(
  63         widget=NullBooleanRadioSelect(choices=choices),
  64         required=False,
  65         label=_('Receive own postings'),
  66         help_text=_(
  67             'Ordinarily, you will get a copy of every message you post to the '
  68             'list. If you don\'t want to receive this copy, set this option '
  69             'to No.'
  70         ))
  71     acknowledge_posts = forms.NullBooleanField(
  72         widget=NullBooleanRadioSelect(choices=choices),
  73         required=False,
  74         label=_('Acknowledge posts'),
  75         help_text=_(
  76             'Receive acknowledgement mail when you send mail to the list?'))
  77     hide_address = forms.NullBooleanField(
  78         widget=NullBooleanRadioSelect(choices=choices),
  79         required=False,
  80         label=_('Hide address'),
  81         help_text=_(
  82             'When someone views the list membership, your email address is '
  83             'normally shown (in an obscured fashion to thwart spam '
  84             'harvesters). '
  85             'If you do not want your email address to show up on this '
  86             'membership roster at all, select Yes for this option.'))
  87     receive_list_copy = forms.NullBooleanField(
  88         widget=NullBooleanRadioSelect(choices=choices),
  89         required=False,
  90         label=_('Receive list copies (possible duplicates)'),
  91         help_text=_(
  92             'When you are listed explicitly in the To: or Cc: headers of a '
  93             'list message, you can opt to not receive another copy from the '
  94             'mailing list. Select Yes to receive copies. '
  95             'Select No to avoid receiving copies from the mailing list'))
  96
  97     preferred_language = forms.ChoiceField(
  98         widget=forms.Select(),
  99         choices=with_empty_choice(LANGUAGES),
 100         required=False,
 101         label=_('Preferred language'),
 102         help_text=_(
 103             'Preferred language for your interactions with Mailman. When '
 104             'this is set, it will override the MailingList\'s preferred '
 105             'language. This affects which language is used for your '
 106             'email notifications and such.'))
 107
 108     class Meta:
 109
 110         """
 111         Class to define the name of the fieldsets and what should be
 112         included in each.
 113         """
 114         layout = [["User Preferences", "acknowledge_posts", "hide_address",
 115                    "receive_list_copy", "receive_own_postings",
 116                    "delivery_mode", "delivery_status", "preferred_language"]]
 117
 118     def save(self):
 119         # Note (maxking): It is possible that delivery_status field will always
 120         # be a part of changed_data because of how the SelectWidget() works.
 121         if not self.changed_data:
 122             return
 123         for key in self.changed_data:
 124             if self.cleaned_data[key] is not None:
 125                 # None: nothing set yet. Remember to remove this test
 126                 # when Mailman accepts None as a "reset to default"
 127                 # value.
 128                 self._preferences[key] = self.cleaned_data[key]
 129         self._preferences.save()
 130
 131     def clean_delivery_status(self):
 132         """Check that someone didn't pass the disabled value.
 133
 134         This is meant to enforce that certain values are RO and can be seen but
 135         not set.
 136         """
 137         val = self.cleaned_data.get('delivery_status')
 138         # When the options are disabled in the widget, the values returned are
 139         # empty. Consider that as unchanged values and just return the initial
 140         # value of the field.
 141         if not val:
 142             return self.initial.get('delivery_status')
 143         # This means the value was changed, check if the change was allowed. If
 144         # not, just raise a ValidationError.
 145         if val in self.disabled_delivery_choices:
 146             raise ValidationError(
 147                 _('Cannot set delivery_status to {}').format(val))
 148         # The change seems correct, just return the value.
 149         return val
 150
 151
 152 class UserPreferencesFormset(forms.BaseFormSet):
 153
 154     def __init__(self, *args, **kwargs):
 155         self._preferences = kwargs.pop('preferences')
 156         self._disabled_delivery_choices = kwargs.pop(
 157             'disabled_delivery_choices', [])
 158         kwargs["initial"] = self._preferences
 159         super(UserPreferencesFormset, self).__init__(*args, **kwargs)
 160
 161     def _construct_form(self, i, **kwargs):
 162         form = super(UserPreferencesFormset, self)._construct_form(i, **kwargs)
 163         form._preferences = self._preferences[i]
 164         form.fields['delivery_status'].widget.disabled_choices = (
 165             self._disabled_delivery_choices)
 166         return form
 167
 168     def save(self):
 169         for form in self.forms:
 170             form.save()
 171
 172
 173 class ManageMemberForm(forms.Form):
 174
 175     # RW fields.
 176     moderation_action = moderation_action_field()
 177     delivery_mode = delivery_mode_field()
 178
 179     # TODO: Maybe add Member's preferences here to set other things like
 180     # delivery_mode and such?
 181
 182     def __init__(self, *args, **kw):
 183         self.member = kw.pop('member')
 184         super().__init__(*args, **kw)
 185
 186     @property
 187     def initial(self):
 188         return {'moderation_action': self.member.moderation_action,
 189                 'delivery_mode': self.member.delivery_mode}
 190
 191     @initial.setter
 192     def initial(self, value):
 193         pass
 194
 195     def save(self):
 196         """Save the data to the Member object by calling into REST API.
 197
 198         Also, return True/False to determine if anything was updated or not.
 199         """
 200         if not self.changed_data:
 201             return False
 202         for each in self.changed_data:
 203             updated = self.cleaned_data.get(each)
 204             setattr(self.member, each, updated)
 205         self.member.save()
 206         return True
 207
 208
 209 class ManageMemberFormSet(forms.BaseFormSet):
 210
 211     def __init__(self, *args, **kw):
 212         self._members = kw.pop('members')
 213         kw['initial'] = self._members
 214         super().__init__(*args, **kw)
 215
 216     def get_form_kwargs(self, index):
 217         kwargs = super().get_form_kwargs(index)
 218         kwargs['member'] = self._members[index]
 219         return kwargs
 220
 221     def _construct_form(self, i, **kwargs):
 222         form = super()._construct_form(i, **kwargs)
 223         form.member = self._members[i]
 224         return form
 225
 226     def save(self):
 227         """Save and return the lists for which subs were updated"""
 228         updated = []
 229         for form in self.forms:
 230             was_updated = form.save()
 231             if was_updated:
 232                 updated.append(form.member.list_id)
 233         return updated
 234
 235
 236 class ManageAddressForm(forms.Form):
 237     # RW fields.
 238     verified = forms.BooleanField(
 239         widget=forms.CheckboxInput(),
 240         required=False,
 241         label=_('Verified'),
 242         help_text=_(
 243             'Specifies whether or not this email address is verified'))
 244
 245     # TODO: Primary/Preferred Address. Needs integration with EmailAddress
 246     # model from Django/Allauth.
 247
 248     def __init__(self, *args, **kw):
 249         self.address = kw.pop('address')
 250         super().__init__(*args, **kw)
 251
 252     @property
 253     def initial(self):
 254         return {'verified': self.address.verified}
 255
 256     @initial.setter
 257     def initial(self, value):
 258         pass
 259
 260     def save(self):
 261         """Save the data and return if there was anything changed."""
 262         if not self.changed_data:
 263             return False
 264         # Since there is a single field, the below shouldn't raise KeyError. In
 265         # future when more fields are added, it can raise KeyError so make sure
 266         # to use .get() and not do anything if value is None.
 267         verified = self.cleaned_data['verified']
 268         if verified:
 269             self.address.verify()
 270             self._update_django_address(True)
 271             return True
 272         self.address.unverify()
 273         self._update_django_address(False)
 274         return True
 275
 276     def _update_django_address(self, value):
 277         """Verify/Unverify the EmailAddress model in Allauth."""
 278         try:
 279             email = EmailAddress.objects.get(email=self.address.email)
 280         except EmailAddress.DoesNotExist:
 281             return
 282         email.verified = value
 283         email.save()
 284
 285
 286 class ManageAddressFormSet(forms.BaseFormSet):
 287
 288     def __init__(self, *args, **kw):
 289         self._addresses = kw.pop('addresses')
 290         kw['initial'] = self._addresses
 291         super().__init__(*args, **kw)
 292
 293     def get_form_kwargs(self, index):
 294         kwargs = super().get_form_kwargs(index)
 295         kwargs['address'] = self._addresses[index]
 296         return kwargs
 297
 298     def _construct_form(self, i, **kwargs):
 299         form = super()._construct_form(i, **kwargs)
 300         form.address = self._addresses[i]
 301         return form
 302
 303     def save(self):
 304         """Save and return which addresses were updated."""
 305         updated = []
 306         for form in self.forms:
 307             was_updated = form.save()
 308             if was_updated:
 309                 updated.append(form.address.email)
 310         return updated
 311
 312
 313 class ManageUserForm(forms.Form):
 314
 315     display_name = forms.CharField(
 316         label=_('Display Name'),
 317         required=True)
 318
 319     def __init__(self, *args, **kw):
 320         self.user = kw.pop('user')
 321         super().__init__(*args, **kw)
 322
 323     @property
 324     def initial(self):
 325         return {'display_name': self.user.display_name}
 326
 327     @initial.setter
 328     def initial(self, value):
 329         pass
 330
 331     def save(self):
 332         if not self.changed_data:
 333             return
 334         new_name = self.cleaned_data.get('display_name')
 335         self.user.display_name = new_name
 336         self.user.save()
 337         for addr in self.user.addresses:
 338             addr.display_name = new_name
 339             addr.save()