Auto-scheduled emails

Co-authored-by: Raphael Michel <michel@rami.io>

src/pretix/plugins/sendmail/migrations/0001_initial.py

@@ -0,0 +1,52 @@
+# Generated by Django 3.2.2 on 2021-06-03 09:17
+
+import django.db.models.deletion
+import i18nfield.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('pretixbase', '0191_event_last_modified'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Rule',
+            fields=[
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('subject', i18nfield.fields.I18nCharField(max_length=255)),
+                ('template', i18nfield.fields.I18nTextField()),
+                ('all_products', models.BooleanField(default=True)),
+                ('include_pending', models.BooleanField(default=False)),
+                ('send_date', models.DateTimeField(blank=True, null=True)),
+                ('send_offset_days', models.IntegerField(null=True)),
+                ('send_offset_time', models.TimeField(blank=True, null=True)),
+                ('date_is_absolute', models.BooleanField(default=True)),
+                ('offset_to_event_end', models.BooleanField(default=False)),
+                ('offset_is_after', models.BooleanField(default=False)),
+                ('send_to', models.CharField(default='orders', max_length=10)),
+                ('event', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sendmail_rules', to='pretixbase.event')),
+                ('limit_products', models.ManyToManyField(to='pretixbase.Item')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ScheduledMail',
+            fields=[
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('last_computed', models.DateTimeField(auto_now_add=True)),
+                ('computed_datetime', models.DateTimeField(db_index=True)),
+                ('state', models.CharField(default='scheduled', max_length=100)),
+                ('last_successful_order_id', models.BigIntegerField(null=True)),
+                ('event', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='pretixbase.event')),
+                ('rule', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sendmail.rule')),
+                ('subevent', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='pretixbase.subevent')),
+            ],
+            options={
+                'unique_together': {('rule', 'subevent')},
+            },
+        ),
+    ]