add - parent to org

apps/authentication/api/v1/serializers/serializer.py

@@ -203,12 +203,22 @@ class OrganizationTypeSerializer(serializers.ModelSerializer):
         model = OrganizationType
         fields = [
             'id',
+            'parent',
             'key',
             'name',
             'org_type_field',
             'is_repeatable'
         ]
 
+    def to_representation(self, instance):
+        representation = super().to_representation(instance)
+
+        if instance.parent:
+            representation['parent'] = {
+                'name': instance.parent.name,
+                'id': instance.parent.id
+            }
+
 
 class OrganizationSerializer(serializers.ModelSerializer):
     """ Serialize organization data """

apps/authentication/migrations/0047_organizationtype_parent.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0 on 2025-11-04 07:50
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('authentication', '0046_alter_organization_address'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='organizationtype',
+            name='parent',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='authentication.organizationtype'),
+        ),
+    ]

apps/authentication/models.py

@@ -82,6 +82,12 @@ class OrganizationType(BaseModel):
         ('CO', 'Cooperative'),
         ('CMP', 'Companies')
     )
+    parent = models.ForeignKey(
+        'self',
+        on_delete=models.CASCADE,
+        related_name='children',
+        null=True
+    )
     key = models.CharField(choices=organization_keys, default='EMP', max_length=3)
     name = models.CharField(max_length=50, unique=True, null=True)
     code = models.IntegerField(default=0)