initial work

hub/broker/serializers.py

@@ -0,0 +1,49 @@
+from rest_framework import serializers
+from hub.services.models import ServiceOffering, Plan
+
+
+class ServiceUserSerializer(serializers.Serializer):
+    email = serializers.EmailField()
+    full_name = serializers.CharField()
+    role = serializers.CharField()
+
+
+class ProvisioningContextSerializer(serializers.Serializer):
+    platform = serializers.CharField()
+    organization_guid = serializers.CharField()
+    space_guid = serializers.CharField()
+    organization_name = serializers.CharField()
+    organization_display_name = serializers.CharField()
+
+
+class ProvisioningParametersSerializer(serializers.Serializer):
+    users = ServiceUserSerializer(many=True)
+
+
+class ServiceInstanceProvisioningSerializer(serializers.Serializer):
+    service_id = serializers.CharField()  # This will now represent the offering_id
+    plan_id = serializers.CharField()
+    organization_guid = serializers.CharField()
+    space_guid = serializers.CharField()
+    parameters = ProvisioningParametersSerializer()
+    context = ProvisioningContextSerializer()
+
+    def validate_service_id(self, value):
+        """Validate the service_id which now represents the offering_id"""
+        try:
+            return ServiceOffering.objects.get(pk=value)
+        except ServiceOffering.DoesNotExist:
+            raise serializers.ValidationError("Invalid offering_id")
+
+    def validate_plan_id(self, value):
+        try:
+            # Get the plan and ensure it belongs to the selected offering
+            plan = Plan.objects.get(pk=value)
+            offering = self.initial_data.get("service_id")
+            if str(plan.offering.id) != offering:
+                raise serializers.ValidationError(
+                    "Plan does not belong to the selected offering"
+                )
+            return plan
+        except Plan.DoesNotExist:
+            raise serializers.ValidationError("Invalid plan_id")