[Feature] PEPPER in enviPath (#332)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#332

epdb/migrations/0017_additionalinformation.py

@@ -0,0 +1,93 @@
+# Generated by Django 5.2.7 on 2026-02-20 12:02
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("contenttypes", "0002_remove_content_type_name"),
+        ("epdb", "0016_remove_enviformer_model_status_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="AdditionalInformation",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+                    ),
+                ),
+                ("uuid", models.UUIDField(default=uuid.uuid4, editable=False, unique=True)),
+                ("url", models.TextField(null=True, unique=True, verbose_name="URL")),
+                ("kv", models.JSONField(blank=True, default=dict, null=True)),
+                ("type", models.TextField(verbose_name="Additional Information Type")),
+                ("data", models.JSONField(blank=True, default=dict, null=True)),
+                ("object_id", models.PositiveBigIntegerField(blank=True, null=True)),
+                (
+                    "content_type",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="contenttypes.contenttype",
+                    ),
+                ),
+                (
+                    "package",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to=settings.EPDB_PACKAGE_MODEL,
+                        verbose_name="Package",
+                    ),
+                ),
+                (
+                    "scenario",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="scenario_additional_information",
+                        to="epdb.scenario",
+                    ),
+                ),
+            ],
+            options={
+                "indexes": [
+                    models.Index(fields=["type"], name="epdb_additi_type_394349_idx"),
+                    models.Index(
+                        fields=["scenario", "type"], name="epdb_additi_scenari_a59edf_idx"
+                    ),
+                    models.Index(
+                        fields=["content_type", "object_id"], name="epdb_additi_content_44d4b4_idx"
+                    ),
+                    models.Index(
+                        fields=["scenario", "content_type", "object_id"],
+                        name="epdb_additi_scenari_ef2bf5_idx",
+                    ),
+                ],
+                "constraints": [
+                    models.CheckConstraint(
+                        condition=models.Q(
+                            models.Q(("content_type__isnull", True), ("object_id__isnull", True)),
+                            models.Q(("content_type__isnull", False), ("object_id__isnull", False)),
+                            _connector="OR",
+                        ),
+                        name="ck_addinfo_gfk_pair",
+                    ),
+                    models.CheckConstraint(
+                        condition=models.Q(
+                            ("scenario__isnull", False),
+                            ("content_type__isnull", False),
+                            _connector="OR",
+                        ),
+                        name="ck_addinfo_not_both_null",
+                    ),
+                ],
+            },
+        ),
+    ]