Event settings: Extend product metadata (Z#23116647) (#3241)

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

src/pretix/base/migrations/0241_itemmetaproperties_required_values.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.2.19 on 2023-05-25 15:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0240_auto_20230516_1119'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='itemmetaproperty',
+            name='allowed_values',
+            field=models.TextField(null=True),
+        ),
+        migrations.AddField(
+            model_name='itemmetaproperty',
+            name='required',
+            field=models.BooleanField(default=False),
+        ),
+    ]

src/pretix/base/models/items.py

@@ -2001,6 +2001,15 @@ class ItemMetaProperty(LoggedModel):
         verbose_name=_("Name"),
     )
     default = models.TextField(blank=True)
+    required = models.BooleanField(
+        default=False, verbose_name=_("Required for products"),
+        help_text=_("If checked, this property must be set in each product. Does not apply if a default value is set.")
+    )
+    allowed_values = models.TextField(
+        null=True, blank=True,
+        verbose_name=_("Valid values"),
+        help_text=_("If you keep this empty, any value is allowed. Otherwise, enter one possible value per line.")
+    )
 
     class Meta:
         ordering = ("name",)