Added a model for event state (including data migration, signal based

notifications, etc.)

dav_events/migrations/0020_auto_20180704_1202.py

@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-07-04 12:02
+from __future__ import unicode_literals
+
+import dav_events.models.event
+import dav_events.utils
+from django.conf import settings
+import django.core.validators
+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),
+        ('dav_events', '0019_auto_20180306_2101'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='EventFlag',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('timestamp', models.DateTimeField(default=django.utils.timezone.now)),
+                ('event', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='flags', to='dav_events.Event')),
+            ],
+            options={
+                'ordering': ['event', 'status', 'timestamp'],
+            },
+        ),
+        migrations.CreateModel(
+            name='EventStatus',
+            fields=[
+                ('code', models.CharField(max_length=254, primary_key=True, serialize=False, validators=[django.core.validators.RegexValidator(b'^[0-9a-z]*$', b'Only characters a-z and digits 0-9 are allowed.')])),
+                ('severity', models.IntegerField(unique=True)),
+                ('label', models.CharField(max_length=254, unique=True)),
+                ('bootstrap_context', models.CharField(blank=True, choices=[(b'default', b'default'), (b'primary', b'primary'), (b'success', b'success'), (b'info', b'info'), (b'warning', b'warning'), (b'danger', b'danger')], max_length=20)),
+            ],
+            options={
+                'ordering': ['severity'],
+                'verbose_name': 'Veranstaltungsstatus',
+                'verbose_name_plural': 'Veranstaltungsstati',
+            },
+        ),
+        migrations.AddField(
+            model_name='eventflag',
+            name='status',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='+', to='dav_events.EventStatus'),
+        ),
+        migrations.AddField(
+            model_name='eventflag',
+            name='user',
+            field=models.ForeignKey(default=dav_events.models.event.get_system_user_id, on_delete=models.SET(dav_events.utils.get_ghost_user), related_name='+', to=settings.AUTH_USER_MODEL),
+        ),
+    ]