feat: 用户在线session控制

apps/users/migrations/0044_usersession.py

@@ -0,0 +1,36 @@
+# Generated by Django 4.1.10 on 2023-09-14 07:23
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0043_remove_user_secret_key_preference'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UserSession',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, primary_key=True, serialize=False)),
+                ('ip', models.GenericIPAddressField(verbose_name='Login IP')),
+                ('key', models.CharField(max_length=128, verbose_name='Session key')),
+                ('city', models.CharField(blank=True, max_length=254, null=True, verbose_name='Login city')),
+                ('user_agent', models.CharField(blank=True, max_length=254, null=True, verbose_name='User agent')),
+                ('type', models.CharField(choices=[('W', 'Web'), ('T', 'Terminal'), ('U', 'Unknown')], max_length=2, verbose_name='Login type')),
+                ('backend', models.CharField(default='', max_length=32, verbose_name='Authentication backend')),
+                ('date_created', models.DateTimeField(blank=True, null=True, verbose_name='Date created')),
+                ('date_expired', models.DateTimeField(blank=True, db_index=True, null=True, verbose_name='Date expired')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sessions', to=settings.AUTH_USER_MODEL, verbose_name='User')),
+            ],
+            options={
+                'verbose_name': 'User session',
+                'ordering': ['-date_created'],
+                'permissions': [('offline_usersession', 'Offline ussr session')],
+            },
+        ),
+    ]