Added a admin action to cleanup personal data from inactive members.

src/membership/admin.py

@@ -1,11 +1,11 @@
 """ Admin Interface to manage the memberships."""
 # import stuff we need from django
-from django.contrib import admin
+from django.contrib import admin, messages
 from django.contrib.auth.admin import UserAdmin, GroupAdmin
 from django.contrib.auth.models import Group
+from django.core.exceptions import PermissionDenied
 from django.utils.translation import ugettext as _
 from easy_thumbnails import fields, widgets
-
 from membership.models import Membership, ActivationRequest
 
 
@@ -22,7 +22,8 @@ def activate_user(modeladmin, request, queryset):
 activate_user.short_description = _('Activate selected User')
 
 
-def cleanup_activation(modeladmin, request, queryset):  # Ignore PyLintBear (W0613)
+def cleanup_activation(modeladmin, request,
+                       queryset):  # Ignore PyLintBear (W0613)
     """Delete every selected activation request that has been expired.
 
     :param modeladmin: The ModelAdmin that triggered this action.
@@ -38,6 +39,33 @@ cleanup_activation.short_description = _(
     "Cleanup selected Activation Requests")
 
 
+def clear_personal_data(modeladmin, request, queryset):
+    """deactivates the account and removes all personal user information.
+
+    :param modeladmin: The ModelAdmin that triggered this action.
+    :param request: An HttpRequest representing the current request.
+    :param queryset: A QuerySet containing the objects selected by the user.
+    """
+    cleared_memberships = 0
+    if not modeladmin.has_delete_permission(request):
+        raise PermissionDenied
+    for membership in queryset:
+        if membership.membership == False:
+            [ setattr(membership, fieldname, None) for fieldname in membership.nullable_personal_data ]
+            [ setattr(membership, fieldname, "") for fieldname in membership.blankable_personal_data ]
+            membership.is_active = False
+            membership.confirmed = False
+            membership.membership = False
+            membership.save()
+            cleared_memberships += 1
+        else:
+            modeladmin.message_user(request, _("Can't remove personal data from active member %s.") % membership.username, messages.ERROR)
+    if cleared_memberships > 0:
+        modeladmin.message_user(request, _("Cleared %d personal data profiles.") % cleared_memberships, messages.INFO)
+
+clear_personal_data.short_description = _("Clear personal Data")
+
+
 class ProxyGroup(Group):
     """A Proxy to list Usergroups from django.contrib.auth here."""
 
@@ -50,6 +78,8 @@ class ProxyGroup(Group):
 
 class MembershipAdmin(UserAdmin):
     """Admin interface to manage membership. e.g. users."""
+    actions = [clear_personal_data, ]
+
     formfield_overrides = {
         fields.ThumbnailerImageField: {
             'widget': widgets.ImageClearableFileInput},

src/membership/locale/de/LC_MESSAGES/django.po

@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: kasu.membership\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-04-30 10:57+0200\n"
-"PO-Revision-Date: 2018-04-30 10:59+0105\n"
+"POT-Creation-Date: 2018-05-03 09:36+0200\n"
+"PO-Revision-Date: 2018-05-03 09:39+0105\n"
 "Last-Translator: b'Christian Berg <kasu@xendynastie.at>'\n"
 "Language-Team: Kasu <verein@kasu.at>\n"
 "Language: de\n"
@@ -31,27 +31,42 @@ msgstr "Weiblich"
 msgid "Activate selected User"
 msgstr "Ausgewählte Benutzer freischalten"
 
-#: admin.py:38
+#: admin.py:39
 msgid "Cleanup selected Activation Requests"
 msgstr "Ausgewählte Aktivierungsanfragen bereinigen"
 
-#: admin.py:47
+#: admin.py:62
+#, python-format
+msgid "Can't remove personal data from active member %s."
+msgstr ""
+"Persönliche Daten von aktiven Mitglied %s können nicht entfernt werden."
+
+#: admin.py:64
+#, python-format
+msgid "Cleared %d personal data profiles."
+msgstr "Persönliche Daten in %d Profilen entfernt."
+
+#: admin.py:66
+msgid "Clear personal Data"
+msgstr "Persönliche Daten bereinigen"
+
+#: admin.py:75
 msgid "Group"
 msgstr "Gruppe"
 
-#: admin.py:48
+#: admin.py:76
 msgid "Groups"
 msgstr "Gruppen"
 
-#: admin.py:72 models.py:163 models.py:216
+#: admin.py:102 models.py:163 models.py:218
 msgid "Membership"
 msgstr "Mitgliedschaft"
 
-#: admin.py:77
+#: admin.py:107
 msgid "Permissions"
 msgstr "Berechtigung"
 
-#: admin.py:79
+#: admin.py:109
 msgid "Important dates"
 msgstr "Wichtige Daten"
 
@@ -159,7 +174,7 @@ msgstr "Bestätigt"
 msgid "This person has paid the membership fee."
 msgstr "Diese Person hat ihre Mitgliedschaft bezahlt"
 
-#: models.py:217
+#: models.py:219
 msgid "Memberships"
 msgstr "Mitgliedschaften"
 
@@ -388,7 +403,6 @@ msgid "login"
 msgstr "Anmelden"
 
 #: templates/membership/register_form.html:26
-#| msgid "Membership"
 msgid "Club membership"
 msgstr "Vereinsmitgliedschaft"
 

src/membership/models.py

@@ -7,8 +7,8 @@ from os import path
 
 from django.conf import settings
 from django.contrib.auth.models import AbstractUser
-from django.urls import reverse
 from django.db import models
+from django.urls import reverse
 from django.utils import timezone
 from django.utils.translation import ugettext as _
 from easy_thumbnails.fields import ThumbnailerImageField
@@ -150,7 +150,7 @@ class Membership(AbstractUser):
         max_length=1,
         choices=GENDER_CHOICES,
         blank=True,
-        null=True
+        null=True,
     )
     website = models.URLField(blank=True)
     avatar = ThumbnailerImageField(
@@ -206,8 +206,10 @@ class Membership(AbstractUser):
         help_text=_('This person has paid the membership fee.')
     )
 
-    # comment = models.TextField(blank=True)
-    # objects = MembershipManager()
+    nullable_personal_data = (
+    'gender', 'birthday', 'telephone', 'street_name', 'post_code', 'city')
+    blankable_personal_data = (
+    'email', 'password', 'first_name', 'last_name', 'website',)
 
     class Meta(object):
         """To manage object ordering and dispalynames on the admin interface."""