Opravení práv

TODO: je na těch ContentTypech navěšené ještě něco dalšího? Pro nastavení asi ne, ale co ostatní aplikace?

various/migrations/0003_fix_permissions.py

@@ -0,0 +1,41 @@
+# Generated by Django 3.2.23 on 2023-12-11 19:40
+
+from django.db import migrations
+
+def oprav_prava_k_nastaveni(apps, schema_editor):
+    # Tohle je trošku hnus, nešlo by to snáz?
+    ContentType = apps.get_model('contenttypes', 'ContentType')
+    Permission = apps.get_model('auth', 'Permission')
+    Group = apps.get_model('auth', 'Group')
+    old_ct = ContentType.objects.get_by_natural_key('seminar', 'nastaveni')
+    new_ct = ContentType.objects.get_by_natural_key('various', 'nastaveni')
+    old_perms = Permission.objects.filter(content_type=old_ct)
+    new_perms = Permission.objects.filter(content_type=new_ct)
+    for g in Group.objects.filter(permissions__in=old_perms):
+        old_codenames = Permission.objects.filter(group__in=[g], content_type=old_ct).values('codename')
+        g.permissions.add(*new_perms.filter(codename__in=old_codenames))
+        g.permissions.remove(*old_perms)
+
+def obnov_prava_k_nastaveni(apps, schema_editor):
+    ContentType = apps.get_model('contenttypes', 'ContentType')
+    Permission = apps.get_model('auth', 'Permission')
+    Group = apps.get_model('auth', 'Group')
+    old_ct = ContentType.objects.get_by_natural_key('seminar', 'nastaveni')
+    new_ct = ContentType.objects.get_by_natural_key('various', 'nastaveni')
+    old_perms = Permission.objects.filter(content_type=old_ct)
+    new_perms = Permission.objects.filter(content_type=new_ct)
+    for g in Group.objects.filter(permissions__in=old_perms):
+        new_codenames = Permission.objects.filter(group__in=[g], content_type=new_ct).values('codename')
+        g.permissions.add(*old_perms.filter(codename__in=new_codenames))
+        g.permissions.remove(*new_perms)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('various', '0002_alter_nastaveni_options'),
+    ]
+
+    operations = [
+        migrations.RunPython(oprav_prava_k_nastaveni, obnov_prava_k_nastaveni),
+    ]