initial work on comparison

hub/services/views/pricelist.py

@@ -1,8 +1,10 @@
-from django.shortcuts import render
 import re
+
+from django.shortcuts import render
 from collections import defaultdict
-from hub.services.models import ComputePlan, VSHNAppCatPrice
+from hub.services.models import ComputePlan, VSHNAppCatPrice, ExternalPricePlans
 from django.contrib.admin.views.decorators import staff_member_required
+from django.db import models
 
 
 def natural_sort_key(name):
@@ -11,11 +13,32 @@ def natural_sort_key(name):
     return int(match.group(1)) if match else 0
 
 
+def get_external_price_comparisons(plan, appcat_price, currency, service_level):
+    """Get external price comparisons for a specific compute plan and service"""
+    try:
+        # Filter by service level if external price has one set
+        external_prices = ExternalPricePlans.objects.filter(
+            compare_to=plan, service=appcat_price.service, currency=currency
+        ).select_related("cloud_provider")
+
+        # Filter by service level if the external price has it configured
+        if service_level:
+            external_prices = external_prices.filter(
+                models.Q(service_level=service_level)
+                | models.Q(service_level__isnull=True)
+            )
+
+        return external_prices
+    except Exception:
+        return []
+
+
 @staff_member_required
 def pricelist(request):
     """Generate comprehensive price list grouped by compute plan groups and service levels"""
     # Get filter parameters from request
     show_discount_details = request.GET.get("discount_details", "").lower() == "true"
+    show_price_comparison = request.GET.get("price_comparison", "").lower() == "true"
     filter_cloud_provider = request.GET.get("cloud_provider", "")
     filter_service = request.GET.get("service", "")
     filter_compute_plan_group = request.GET.get("compute_plan_group", "")
@@ -179,6 +202,38 @@ def pricelist(request):
                         service_level
                     ]
 
+                    # Get external price comparisons if enabled
+                    external_comparisons = []
+                    if show_price_comparison:
+                        external_prices = get_external_price_comparisons(
+                            plan, appcat_price, currency, service_level
+                        )
+
+                        for ext_price in external_prices:
+                            price_difference = float(ext_price.amount) - float(
+                                final_price
+                            )
+                            price_ratio = (
+                                float(ext_price.amount) / float(final_price)
+                                if final_price > 0
+                                else None
+                            )
+
+                            external_comparisons.append(
+                                {
+                                    "provider": ext_price.cloud_provider.name,
+                                    "plan_name": ext_price.plan_name,
+                                    "amount": ext_price.amount,
+                                    "difference": price_difference,
+                                    "ratio": price_ratio,
+                                    "description": ext_price.description,
+                                    "vcpus": ext_price.vcpus,
+                                    "ram": ext_price.ram,
+                                    "storage": ext_price.storage,
+                                    "replicas": ext_price.replicas,
+                                }
+                            )
+
                     group_name = plan.group.name if plan.group else "No Group"
 
                     # Add pricing data to the grouped structure
@@ -230,6 +285,7 @@ def pricelist(request):
                                 appcat_price.discount_model
                                 and appcat_price.discount_model.active
                             ),
+                            "external_comparisons": external_comparisons,
                         }
                     )
 
@@ -278,6 +334,7 @@ def pricelist(request):
     context = {
         "pricing_data_by_group_and_service_level": final_context_data,
         "show_discount_details": show_discount_details,
+        "show_price_comparison": show_price_comparison,
         "filter_cloud_provider": filter_cloud_provider,
         "filter_service": filter_service,
         "filter_compute_plan_group": filter_compute_plan_group,