Merge branch '8198/case-1/update-DE-VATRate' into 'master'

Create migration for DE VAT update for COVID-19

See merge request ungleich-public/dynamicweb!739

hosting/migrations/0060_update_DE_vat_covid-19.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2020-06-30 19:12
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hosting', '0059_stripetaxrate'),
+    ]
+
+    operations = [
+        migrations.RunSQL(
+            sql=["update hosting_vatrates set stop_date = '2020-06-30' where territory_codes = 'DE' and rate = '0.19'"],
+            reverse_sql=[
+                "update hosting_vatrates set stop_date = null where stop_date = '2020-06-30' and territory_codes = 'DE' and rate = '0.19'"],
+        ),
+        migrations.RunSQL(
+            sql=[
+                "insert into hosting_vatrates (start_date, stop_date, territory_codes, currency_code, rate, rate_type, description) values ('2020-07-01',null,'DE', 'EUR', '0.16', 'standard', 'Germany (member state) standard VAT rate - COVID 19 reduced rate')"],
+            reverse_sql=[
+                "delete from hosting_vatrates where description = 'Germany (member state) standard VAT rate - COVID 19 reduced rate' and start_date = '2020-07-01' and territory_codes = 'DE'" ],
+        ),
+
+        migrations.RunSQL(
+            sql=[
+                "update hosting_stripetaxrate set description = 'VAT for DE pre-COVID-19' where description = 'VAT for DE'"],
+            reverse_sql=[
+                "update hosting_stripetaxrate set description = 'VAT for DE' where description = 'VAT for DE pre-COVID-19'"],
+        ),
+    ]