Merge branch '663-fix-names-of-categories-of-pushnotifications' into 'master'

Resolve "Fix names of categories of pushnotifications"

Closes #663

See merge request thalia/concrexit!860

website/pushnotifications/migrations/0009_rename_categories.py

+from django.db import migrations
+
+
+def forwards_func(apps, schema_editor):
+    category = apps.get_model("pushnotifications", "Category")
+    db_alias = schema_editor.connection.alias
+
+    for key in ['general', 'pizza', 'event', 'newsletter',
+                'sponsor', 'photo', 'board']:
+        cat = category.objects.using(db_alias).get(key=key)
+        cat.name_en = cat.name_en.title()
+        cat.name_nl = cat.name_nl.title()
+        cat.save()
+
+
+def reverse_func(apps, schema_editor):
+    category = apps.get_model("pushnotifications", "Category")
+    db_alias = schema_editor.connection.alias
+
+    for key in ['general', 'pizza', 'event', 'newsletter',
+                'sponsor', 'photo', 'board']:
+        cat = category.objects.using(db_alias).get(key=key)
+        cat.name_en = cat.name_en.lower()
+        cat.name_nl = cat.name_nl.lower()
+        cat.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pushnotifications', '0008_scheduledmessage'),
+    ]
+
+    operations = [
+        migrations.RunPython(forwards_func, reverse_func),
+    ]