User invitations

Closes #453 (closed)

aleksis/core/migrations/0029_invitations.py

+# Generated by Django 3.1.7 on 2021-03-31 16:55
+
+import aleksis.core.mixins
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('core', '0028_char_field_not_null'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PersonInvitation',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('accepted', models.BooleanField(default=False, verbose_name='accepted')),
+                ('key', models.CharField(max_length=64, unique=True, verbose_name='key')),
+                ('sent', models.DateTimeField(null=True, verbose_name='sent')),
+                ('email', models.EmailField(blank=True, max_length=254, verbose_name='E-Mail address')),
+                ('inviter', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('person', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='invitation', to='core.person'))
+            ],
+            options={
+                'abstract': False,
+            },
+            bases=(models.Model, aleksis.core.mixins.PureDjangoModel),
+        ),
+    ]