feat: merge street + person created field

app/base/migrations/0004_person_created_merge_street.py

@@ -0,0 +1,51 @@
+# Generated by Django 4.2 on 2023-06-05 22:19
+
+import app.base.forms.fields
+from django.db import migrations, models
+
+
+def merge_street(apps, schema_editor):
+    Person = apps.get_model('base', 'Person')
+    for x in Person.objects.all():
+        x.street = f'{x.street} {x.house_nr}'
+        x.save()
+
+
+def split_street(apps, schema_editor):
+    Person = apps.get_model('app.base', 'Person')
+    for x in Person.objects.all():
+        if ' ' in x.street:
+            street, nr = x.street.rsplit(' ', 1)
+        else:
+            street, nr = x.street, '?'
+        x.street = street.strip()
+        x.house_nr = nr.strip()
+        x.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('base', '0003_alter_transaction_time_stamp'),
+    ]
+
+    operations = [
+        migrations.RunPython(merge_street, split_street),
+        migrations.RemoveField(
+            model_name='person',
+            name='house_nr',
+        ),
+        migrations.AddField(
+            model_name='person',
+            name='created',
+            field=app.base.forms.fields.DateField(
+                default='1970-01-01', editable=False, verbose_name='Angelegt'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='street',
+            field=models.CharField(
+                max_length=200, verbose_name='Straße & Hausnummer'),
+        ),
+    ]