feat: Add general field-based status and migrate data

src/fellchensammlung/migrations/0061_datamigration_status_model_to_field.py

@@ -0,0 +1,63 @@
+# Generated by Django 5.2.1 on 2025-08-30 21:51
+import logging
+
+from django.db import migrations
+
+
+def map_status(adoption_notice_status):
+    minor = adoption_notice_status.minor_status
+
+    if minor == "searching":
+        return "active_searching"
+    if minor == "interested":
+        return "active_interested"
+
+    if minor == "waiting_for_review":
+        return "awaiting_action_waiting_for_review"
+    if minor == "needs_additional_info":
+        return "awaiting_action_needs_additional_info"
+
+    if minor == "successful_with_notfellchen":
+        return "closed_successful_with_notfellchen"
+    if minor == "successful_without_notfellchen":
+        return "closed_successful_without_notfellchen"
+    if minor == "animal_died":
+        return "closed_animal_died"
+    if minor == "closed_for_other_adoption_notice":
+        return "closed_for_other_adoption_notice"
+    if minor == "not_open_for_adoption_anymore":
+        return "closed_not_open_for_adoption_anymore"
+    if minor == "other":
+        return "closed_other"
+
+    if minor == "against_the_rules":
+        return "disabled_against_the_rules"
+    if minor == "unchecked":
+        return "disabled_unchecked"
+    if minor in ["missing_information", "technical_error"]:
+        return "disabled_other"
+
+    return None
+
+
+def migrate_status(apps, schema_editor):
+    # We can't import the model directly as it may be a newer
+    # version than this migration expects. We use the historical version.
+    AdoptionNoticeStatus = apps.get_model("fellchensammlung", "AdoptionNoticeStatus")
+    AdoptionNotice = apps.get_model("fellchensammlung", "AdoptionNotice")
+    for ans in AdoptionNoticeStatus.objects.all():
+        adoption_notice = AdoptionNotice.objects.get(id=ans.adoption_notice.id)
+        new_status = map_status(ans)
+        logging.debug(f"{ans.minor_status} -> {new_status}")
+        adoption_notice.adoption_notice_status = map_status(ans)
+        adoption_notice.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('fellchensammlung', '0060_alter_adoptionnotice_options_and_more'),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_status),
+    ]