From 58a61be82f0efef2e3014fe4f41fe4176950341f Mon Sep 17 00:00:00 2001
From: Sergio Oliveira <sergio@tracy.com.br>
Date: Wed, 9 Oct 2013 18:28:57 -0300
Subject: [PATCH] Adding script to erase inactive accounts

---
 src/accounts/management/__init__.py                |  0
 src/accounts/management/commands/__init__.py       |  0
 src/accounts/management/commands/delete_invalid.py | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 0 deletions(-)
 create mode 100644 src/accounts/management/__init__.py
 create mode 100644 src/accounts/management/commands/__init__.py
 create mode 100644 src/accounts/management/commands/delete_invalid.py

diff --git a/src/accounts/management/__init__.py b/src/accounts/management/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/accounts/management/__init__.py
diff --git a/src/accounts/management/commands/__init__.py b/src/accounts/management/commands/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/accounts/management/commands/__init__.py
diff --git a/src/accounts/management/commands/delete_invalid.py b/src/accounts/management/commands/delete_invalid.py
new file mode 100644
index 0000000..0335e98
--- /dev/null
+++ b/src/accounts/management/commands/delete_invalid.py
@@ -0,0 +1,42 @@
+
+
+from django.db.models import F
+from django.utils import timezone
+from django.utils.translation import ugettext as _
+from django.core.management.base import BaseCommand, CommandError
+
+
+from ...models import User
+
+
+class Command(BaseCommand):
+    """Delete user accounts that have never logged in.
+
+    Delete from database user accounts that have never logged in
+    and are at least 24h older.
+
+    """
+
+    help = __doc__
+
+    def handle(self, *args, **kwargs):
+        seconds = timezone.timedelta(seconds=1)
+        now = timezone.now()
+        one_day_ago = timezone.timedelta(days=1)
+
+        # Query for users that have NEVER logged in
+        #
+        # By default django sets the last_login as auto_now and then
+        #   last_login is pretty much the same than date_joined
+        #   (instead of null as I expected). Because of that we query
+        #   for users which last_login is between date_joined - N and
+        #   date_joined + N, where N is a small constant in seconds.
+        users = User.objects.filter(last_login__gt=(F('date_joined') - seconds),
+                                    last_login__lt=(F('date_joined') + seconds),
+                                    date_joined__lt=now-one_day_ago)
+        count = 0
+        for user in users:
+            count += 1
+            user.delete()
+
+        print _(u'%(count)s users deleted.') % {'count': count}
--
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