From ff4eb0a9ba1533bf0bf1d189629db66282ba8ebe Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias.brunner@vshn.ch>
Date: Fri, 31 Jan 2025 15:46:22 +0100
Subject: [PATCH] osb catalog

---
 hub/broker/serializers.py | 68 +++++++++++++++++++++++++++++++++++++++
 hub/broker/views.py       | 22 ++++++++++++-
 2 files changed, 89 insertions(+), 1 deletion(-)

diff --git a/hub/broker/serializers.py b/hub/broker/serializers.py
index 6ac63fd..2d1db9d 100644
--- a/hub/broker/serializers.py
+++ b/hub/broker/serializers.py
@@ -1,5 +1,6 @@
 from rest_framework import serializers
 from hub.services.models import ServiceOffering, Plan
+from django.utils.html import strip_tags
 
 
 class ServiceUserSerializer(serializers.Serializer):
@@ -47,3 +48,70 @@ class ServiceInstanceProvisioningSerializer(serializers.Serializer):
             return plan
         except Plan.DoesNotExist:
             raise serializers.ValidationError("Invalid plan_id")
+
+
+class CostSerializer(serializers.Serializer):
+    amount = serializers.DecimalField(max_digits=10, decimal_places=2)
+    unit = serializers.CharField()
+
+
+class PlanMetadataSerializer(serializers.Serializer):
+    bullets = serializers.ListField(child=serializers.CharField(), required=False)
+    costs = CostSerializer(many=True, required=False)
+
+
+class PlanSerializer(serializers.ModelSerializer):
+    description = serializers.SerializerMethodField()
+
+    def get_description(self, obj):
+        return strip_tags(obj.description) if obj.description else ""
+
+    class Meta:
+        model = Plan
+        fields = ["id", "name", "description"]
+
+
+class ServiceOfferingMetadataSerializer(serializers.Serializer):
+    displayName = serializers.CharField()
+    providerDisplayName = serializers.CharField()
+    longDescription = serializers.SerializerMethodField()
+    imageUrl = serializers.URLField(required=False)
+
+    def get_longDescription(self, obj):
+        return strip_tags(obj["longDescription"]) if obj.get("longDescription") else ""
+
+
+class ServiceOfferingSerializer(serializers.ModelSerializer):
+    id = serializers.SerializerMethodField()
+    name = serializers.SerializerMethodField()
+    description = serializers.SerializerMethodField()
+    plans = PlanSerializer(many=True)
+    bindable = serializers.BooleanField(default=True)
+    metadata = serializers.SerializerMethodField()
+
+    class Meta:
+        model = ServiceOffering
+        fields = ["id", "name", "description", "plans", "bindable", "metadata"]
+
+    def get_id(self, obj):
+        return str(obj.pk)
+
+    def get_name(self, obj):
+        return f"{obj.service.name}-{obj.cloud_provider.name}".lower().replace(" ", "-")
+
+    def get_description(self, obj):
+        return strip_tags(obj.description) if obj.description else ""
+
+    def get_metadata(self, obj):
+        return ServiceOfferingMetadataSerializer(
+            {
+                "displayName": obj.service.name,
+                "providerDisplayName": obj.cloud_provider.name,
+                "longDescription": obj.description,
+                "imageUrl": obj.service.logo.url if obj.service.logo else None,
+            }
+        ).data
+
+
+class CatalogSerializer(serializers.Serializer):
+    services = ServiceOfferingSerializer(many=True)
diff --git a/hub/broker/views.py b/hub/broker/views.py
index 718d0bb..dbbb40b 100644
--- a/hub/broker/views.py
+++ b/hub/broker/views.py
@@ -6,7 +6,7 @@ from django.shortcuts import get_object_or_404
 from hub.services.models import ServiceOffering, Lead
 from hub.services.odoo import OdooAPI
 from .models import ServiceInstance, ServiceBrokerUser
-from .serializers import ServiceInstanceProvisioningSerializer
+from .serializers import ServiceInstanceProvisioningSerializer, CatalogSerializer
 from .authentication import ServiceBrokerAuthentication
 
 logger = logging.getLogger(__name__)
@@ -15,6 +15,26 @@ logger = logging.getLogger(__name__)
 class ServiceBrokerViewSet(viewsets.ViewSet):
     authentication_classes = [ServiceBrokerAuthentication]
 
+    @action(detail=False, methods=["get"], url_path="catalog")
+    def get_catalog(self, request):
+        """
+        Return the catalog of services available to the authenticated user.
+        """
+        # Get broker user and their allowed offerings
+        broker_user = get_object_or_404(ServiceBrokerUser, user=request.user)
+        offerings = broker_user.allowed_offerings.prefetch_related(
+            "plans",
+            "plans__prices",
+            "plans__prices__currency",
+            "plans__prices__term",
+            "service",
+            "cloud_provider",
+        ).all()
+
+        # Serialize the catalog
+        serializer = CatalogSerializer({"services": offerings})
+        return Response(serializer.data)
+
     def _create_lead_from_provision_data(self, offering, plan, parameters, context):
         """Create a lead in Odoo from provisioning data"""
         # Get the first user from parameters as the main contact