Discounts (#2510)

src/pretix/base/migrations/0210_auto_20220303_2017.py

@@ -0,0 +1,89 @@
+# Generated by Django 3.2.2 on 2022-03-03 20:17
+
+from decimal import Decimal
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+import pretix.base.models.base
+import pretix.base.models.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0209_device_info'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='cartposition',
+            name='custom_price_input',
+            field=models.DecimalField(decimal_places=2, max_digits=10, null=True),
+        ),
+        migrations.AddField(
+            model_name='cartposition',
+            name='custom_price_input_is_net',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='cartposition',
+            name='line_price_gross',
+            field=models.DecimalField(decimal_places=2, max_digits=10, null=True),
+        ),
+        migrations.AddField(
+            model_name='cartposition',
+            name='listed_price',
+            field=models.DecimalField(decimal_places=2, max_digits=10, null=True),
+        ),
+        migrations.AddField(
+            model_name='cartposition',
+            name='price_after_voucher',
+            field=models.DecimalField(decimal_places=2, max_digits=10, null=True),
+        ),
+        migrations.AddField(
+            model_name='cartposition',
+            name='tax_rate',
+            field=models.DecimalField(decimal_places=2, default=Decimal('0.00'), max_digits=7),
+        ),
+        migrations.CreateModel(
+            name='Discount',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False)),
+                ('active', models.BooleanField(default=True)),
+                ('internal_name', models.CharField(max_length=255)),
+                ('position', models.PositiveIntegerField(default=0)),
+                ('sales_channels', pretix.base.models.fields.MultiStringField(default=['web'])),
+                ('available_from', models.DateTimeField(blank=True, null=True)),
+                ('available_until', models.DateTimeField(blank=True, null=True)),
+                ('subevent_mode', models.CharField(max_length=50, default='mixed')),
+                ('condition_all_products', models.BooleanField(default=True)),
+                ('condition_min_count', models.PositiveIntegerField(default=0)),
+                ('condition_min_value', models.DecimalField(decimal_places=2, default=Decimal('0.00'), max_digits=10)),
+                ('benefit_discount_matching_percent', models.DecimalField(decimal_places=2, default=Decimal('0.00'), max_digits=10)),
+                ('benefit_only_apply_to_cheapest_n_matches', models.PositiveIntegerField(null=True)),
+                ('condition_limit_products', models.ManyToManyField(to='pretixbase.Item')),
+                ('condition_apply_to_addons', models.BooleanField(default=True)),
+                        ('event', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='discounts', to='pretixbase.event')),
+            ],
+            options={
+                'abstract': False,
+            },
+            bases=(models.Model, pretix.base.models.base.LoggingMixin),
+        ),
+        migrations.AddField(
+            model_name='cartposition',
+            name='discount',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.RESTRICT, to='pretixbase.discount'),
+        ),
+        migrations.AddField(
+            model_name='orderposition',
+            name='discount',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.RESTRICT, to='pretixbase.discount'),
+        ),
+        migrations.AddField(
+            model_name='orderposition',
+            name='voucher_budget_use',
+            field=models.DecimalField(decimal_places=2, max_digits=10, null=True),
+        ),
+    ]

src/pretix/base/migrations/0211_auto_20220314_2001.py

@@ -0,0 +1,28 @@
+# Generated by Django 3.2.2 on 2022-03-14 20:01
+from decimal import Decimal
+
+from django.db import migrations
+from django.db.models import F
+from django.db.models.functions import Greatest
+
+
+def migrate_voucher_budget_use(apps, schema_editor):
+    OrderPosition = apps.get_model('pretixbase', 'OrderPosition')  # noqa
+    OrderPosition.all.filter(
+        price_before_voucher__isnull=False
+    ).exclude(price=F('price_before_voucher')).update(
+        voucher_budget_use=Greatest(F('price') - F('price_before_voucher'), Decimal('0.00'))
+    )
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('pretixbase', '0210_auto_20220303_2017'),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            migrate_voucher_budget_use,
+            migrations.RunPython.noop,
+        ),
+    ]

src/pretix/base/migrations/0212_auto_20220318_1408.py

@@ -0,0 +1,29 @@
+# Generated by Django 3.2.12 on 2022-03-18 14:08
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0211_auto_20220314_2001'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='cartposition',
+            name='includes_tax',
+        ),
+        migrations.RemoveField(
+            model_name='cartposition',
+            name='override_tax_rate',
+        ),
+        migrations.RemoveField(
+            model_name='cartposition',
+            name='price_before_voucher',
+        ),
+        migrations.RemoveField(
+            model_name='orderposition',
+            name='price_before_voucher',
+        ),
+    ]

src/pretix/base/migrations/0213_discount_condition_ignore_voucher_discounted.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.2 on 2022-04-13 08:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0212_auto_20220318_1408'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='discount',
+            name='condition_ignore_voucher_discounted',
+            field=models.BooleanField(default=False),
+        ),
+    ]