See #212: record user last activity date

api/funkwhale_api/users/middleware.py

@@ -0,0 +1,9 @@
+class RecordActivityMiddleware:
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        response = self.get_response(request)
+        if hasattr(request, "user") and request.user.is_authenticated:
+            request.user.record_activity()
+        return response

api/funkwhale_api/users/migrations/0008_auto_20180617_1531.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.0.6 on 2018-06-17 15:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0007_auto_20180524_2009'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='last_activity',
+            field=models.DateTimeField(blank=True, default=None, null=True),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='permission_library',
+            field=models.BooleanField(default=False, help_text='Manage library, delete files, tracks, artists, albums...', verbose_name='Manage library'),
+        ),
+    ]

api/funkwhale_api/users/models.py

@@ -2,6 +2,7 @@
 from __future__ import absolute_import, unicode_literals
 
 import binascii
+import datetime
 import os
 import uuid
 
@@ -9,6 +10,7 @@ from django.conf import settings
 from django.contrib.auth.models import AbstractUser
 from django.db import models
 from django.urls import reverse
+from django.utils import timezone
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
@@ -75,6 +77,8 @@ class User(AbstractUser):
         default=False,
     )
 
+    last_activity = models.DateTimeField(default=None, null=True, blank=True)
+
     def __str__(self):
         return self.username
 
@@ -117,3 +121,16 @@ class User(AbstractUser):
 
     def get_activity_url(self):
         return settings.FUNKWHALE_URL + "/@{}".format(self.username)
+
+    def record_activity(self):
+        """
+        Simply update the last_activity field if current value is too old
+        than a threshold. This is useful to keep a track of inactive accounts.
+        """
+        current = self.last_activity
+        delay = 60 * 15  # fifteen minutes
+        now = timezone.now()
+
+        if current is None or current < now - datetime.timedelta(seconds=delay):
+            self.last_activity = now
+            self.save(update_fields=["last_activity"])