New implementation of sales channels (#4111)

Co-authored-by: Martin Gross <gross@rami.io>

src/pretix/base/migrations/0159_mails_by_sales_channel.py

@@ -2,7 +2,7 @@
 
 from django.db import migrations
 
-from pretix.base.channels import get_all_sales_channels
+from pretix.base.channels import get_all_sales_channel_types
 
 
 def set_sales_channels(apps, schema_editor):
@@ -11,7 +11,7 @@ def set_sales_channels(apps, schema_editor):
     # Therefore, for existing events, we enable all sales channels
     Event_SettingsStore = apps.get_model('pretixbase', 'Event_SettingsStore')
     Event = apps.get_model('pretixbase', 'Event')
-    all_sales_channels = "[" + ", ".join('"' + sc + '"' for sc in get_all_sales_channels()) + "]"
+    all_sales_channels = "[" + ", ".join('"' + sc + '"' for sc in get_all_sales_channel_types()) + "]"
     batch_size = 1000
     Event_SettingsStore.objects.bulk_create([
         Event_SettingsStore(

src/pretix/base/migrations/0172_event_sales_channels.py

@@ -3,7 +3,7 @@
 from django.db import migrations
 
 import pretix.base.models.fields
-from pretix.base.channels import get_all_sales_channels
+from pretix.base.channels import get_all_sales_channel_types
 
 
 class Migration(migrations.Migration):
@@ -15,6 +15,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='event',
             name='sales_channels',
-            field=pretix.base.models.fields.MultiStringField(default=list(get_all_sales_channels().keys())),
+            field=pretix.base.models.fields.MultiStringField(default=list(get_all_sales_channel_types().keys())),
         ),
     ]

src/pretix/base/migrations/0265_saleschannel_and_more.py

@@ -0,0 +1,110 @@
+# Generated by Django 4.2.8 on 2024-03-24 17:43
+
+import django.db.models.deletion
+import i18nfield.fields
+from django.db import migrations, models
+
+import pretix.base.models.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("pretixbase", "0264_order_internal_secret"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="SalesChannel",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True, primary_key=True, serialize=False
+                    ),
+                ),
+                ("label", i18nfield.fields.I18nCharField(max_length=200)),
+                ("identifier", models.CharField(max_length=200)),
+                ("type", models.CharField(max_length=200)),
+                ("position", models.PositiveIntegerField(default=0)),
+                ("configuration", models.JSONField(default=dict)),
+            ],
+        ),
+        migrations.RenameField(
+            model_name="checkinlist",
+            old_name="auto_checkin_sales_channels",
+            new_name="auto_checkin_sales_channel_types",
+        ),
+        migrations.AddField(
+            model_name="discount",
+            name="all_sales_channels",
+            field=models.BooleanField(default=True),
+        ),
+        migrations.AddField(
+            model_name="event",
+            name="all_sales_channels",
+            field=models.BooleanField(default=True),
+        ),
+        migrations.AddField(
+            model_name="item",
+            name="all_sales_channels",
+            field=models.BooleanField(default=True),
+        ),
+        migrations.AddField(
+            model_name="itemvariation",
+            name="all_sales_channels",
+            field=models.BooleanField(default=True),
+        ),
+        migrations.RenameField(
+            model_name="order",
+            old_name="sales_channel",
+            new_name="sales_channel_type",
+        ),
+        migrations.AddField(
+            model_name="saleschannel",
+            name="organizer",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="sales_channels",
+                to="pretixbase.organizer",
+            ),
+        ),
+        migrations.AddField(
+            model_name="discount",
+            name="limit_sales_channels",
+            field=models.ManyToManyField(to="pretixbase.saleschannel"),
+        ),
+        migrations.AddField(
+            model_name="event",
+            name="limit_sales_channels",
+            field=models.ManyToManyField(to="pretixbase.saleschannel"),
+        ),
+        migrations.AddField(
+            model_name="item",
+            name="limit_sales_channels",
+            field=models.ManyToManyField(to="pretixbase.saleschannel"),
+        ),
+        migrations.AddField(
+            model_name="itemvariation",
+            name="limit_sales_channels",
+            field=models.ManyToManyField(to="pretixbase.saleschannel"),
+        ),
+        migrations.AddField(
+            model_name="checkinlist",
+            name="auto_checkin_sales_channels",
+            field=models.ManyToManyField(to="pretixbase.saleschannel"),
+        ),
+        migrations.AddField(
+            model_name="order",
+            name="sales_channel",
+            field=models.ForeignKey(
+                null=True,
+                on_delete=django.db.models.deletion.PROTECT,
+                to="pretixbase.saleschannel",
+            ),
+        ),
+        migrations.AlterUniqueTogether(
+            name="saleschannel",
+            unique_together={("organizer", "identifier")},
+        ),
+    ]

src/pretix/base/migrations/0266_saleschannel_migrate_data.py

@@ -0,0 +1,84 @@
+# Generated by Django 4.2.8 on 2024-03-24 17:55
+
+from django.db import migrations
+from i18nfield.strings import LazyI18nString
+
+from pretix.base.channels import get_all_sales_channel_types
+
+
+def create_sales_channels(apps, schema_editor):
+    channel_types = get_all_sales_channel_types()
+    type_to_channel = dict()
+    full_discount_set = set()
+    full_set = set()
+
+    Organizer = apps.get_model("pretixbase", "Organizer")
+    for o in Organizer.objects.all().iterator():
+        for i, t in enumerate(channel_types.values()):
+            if not t.default_created:
+                continue
+            type_to_channel[t.identifier, o.pk] = o.sales_channels.get_or_create(
+                type=t.identifier,
+                defaults=dict(
+                    position=i,
+                    identifier=t.identifier,
+                    label=LazyI18nString.from_gettext(t.verbose_name),
+                ),
+            )[0]
+            full_set.add(t.identifier)
+            if t.discounts_supported:
+                full_discount_set.add(t.identifier)
+
+    Event = apps.get_model("pretixbase", "Event")
+    for d in Event.objects.all().iterator():
+        if set(d.sales_channels) != full_set:
+            d.all_sales_channels = False
+            d.save()
+            for s in d.sales_channels:
+                d.limit_sales_channels.add(type_to_channel[s, d.organizer_id])
+
+    Item = apps.get_model("pretixbase", "Item")
+    for d in Item.objects.select_related("event").iterator():
+        if set(d.sales_channels) != full_set:
+            d.all_sales_channels = False
+            d.save()
+            for s in d.sales_channels:
+                d.limit_sales_channels.add(type_to_channel[s, d.event.organizer_id])
+
+    ItemVariation = apps.get_model("pretixbase", "ItemVariation")
+    for d in ItemVariation.objects.select_related("item__event").iterator():
+        if set(d.sales_channels) != full_set:
+            d.all_sales_channels = False
+            d.save()
+            for s in d.sales_channels:
+                d.limit_sales_channels.add(type_to_channel[s, d.item.event.organizer_id])
+
+    Discount = apps.get_model("pretixbase", "Discount")
+    for d in Discount.objects.select_related("event").iterator():
+        if set(d.sales_channels) != full_discount_set:
+            d.all_sales_channels = False
+            d.save()
+            for s in d.sales_channels:
+                d.limit_sales_channels.add(type_to_channel[s, d.event.organizer_id])
+
+    CheckinList = apps.get_model("pretixbase", "CheckinList")
+    for c in CheckinList.objects.select_related("event").iterator():
+        for s in c.auto_checkin_sales_channel_types:
+            c.auto_checkin_sales_channels.add(type_to_channel[s, c.event.organizer_id])
+
+    Order = apps.get_model("pretixbase", "Order")
+    for (k, orgid), v in type_to_channel.items():
+        Order.objects.filter(sales_channel_type=k, event__organizer_id=orgid, sales_channel__isnull=True).update(
+            sales_channel=v
+        )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("pretixbase", "0265_saleschannel_and_more"),
+    ]
+
+    operations = [
+        migrations.RunPython(create_sales_channels, migrations.RunPython.noop),
+    ]

src/pretix/base/migrations/0267_remove_old_sales_channels.py

@@ -0,0 +1,46 @@
+# Generated by Django 4.2.8 on 2024-03-25 13:34
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("pretixbase", "0266_saleschannel_migrate_data"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="checkinlist",
+            name="auto_checkin_sales_channel_types",
+        ),
+        migrations.RemoveField(
+            model_name="discount",
+            name="sales_channels",
+        ),
+        migrations.RemoveField(
+            model_name="event",
+            name="sales_channels",
+        ),
+        migrations.RemoveField(
+            model_name="item",
+            name="sales_channels",
+        ),
+        migrations.RemoveField(
+            model_name="itemvariation",
+            name="sales_channels",
+        ),
+        migrations.RemoveField(
+            model_name="order",
+            name="sales_channel_type",
+        ),
+        migrations.AlterField(
+            model_name="order",
+            name="sales_channel",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.PROTECT,
+                to="pretixbase.saleschannel",
+            ),
+        ),
+    ]