347 lines
15 KiB
Python
347 lines
15 KiB
Python
import re
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from django.shortcuts import render
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from collections import defaultdict
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from hub.services.models import ComputePlan, VSHNAppCatPrice, ExternalPricePlans
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from django.contrib.admin.views.decorators import staff_member_required
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from django.db import models
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def natural_sort_key(name):
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"""Extract numeric part from compute plan name for natural sorting"""
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match = re.search(r"compute-std-(\d+)", name)
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return int(match.group(1)) if match else 0
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def get_external_price_comparisons(plan, appcat_price, currency, service_level):
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"""Get external price comparisons for a specific compute plan and service"""
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try:
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# Filter by service level if external price has one set
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external_prices = ExternalPricePlans.objects.filter(
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compare_to=plan, service=appcat_price.service, currency=currency
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).select_related("cloud_provider")
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# Filter by service level if the external price has it configured
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if service_level:
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external_prices = external_prices.filter(
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models.Q(service_level=service_level)
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| models.Q(service_level__isnull=True)
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)
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return external_prices
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except Exception:
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return []
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@staff_member_required
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def pricelist(request):
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"""Generate comprehensive price list grouped by compute plan groups and service levels"""
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# Get filter parameters from request
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show_discount_details = request.GET.get("discount_details", "").lower() == "true"
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show_price_comparison = request.GET.get("price_comparison", "").lower() == "true"
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filter_cloud_provider = request.GET.get("cloud_provider", "")
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filter_service = request.GET.get("service", "")
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filter_compute_plan_group = request.GET.get("compute_plan_group", "")
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filter_service_level = request.GET.get("service_level", "")
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# Fetch all active compute plans with related data
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compute_plans = (
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ComputePlan.objects.filter(active=True)
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.select_related("cloud_provider", "group")
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.prefetch_related("prices")
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.order_by("group__order", "group__name", "cloud_provider__name")
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)
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# Apply compute plan filters
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if filter_cloud_provider:
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compute_plans = compute_plans.filter(cloud_provider__name=filter_cloud_provider)
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if filter_compute_plan_group:
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if filter_compute_plan_group == "No Group":
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compute_plans = compute_plans.filter(group__isnull=True)
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else:
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compute_plans = compute_plans.filter(group__name=filter_compute_plan_group)
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# Apply natural sorting for compute plan names
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compute_plans = sorted(
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compute_plans,
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key=lambda x: (
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x.group.order if x.group else 999, # No group plans at the end
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x.group.name if x.group else "ZZZ",
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x.cloud_provider.name,
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natural_sort_key(x.name),
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),
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)
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# Fetch all appcat price configurations
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appcat_prices = (
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VSHNAppCatPrice.objects.all()
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.select_related("service", "discount_model")
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.prefetch_related("base_fees", "unit_rates", "discount_model__tiers")
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.order_by("service__name")
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)
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# Apply service filter
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if filter_service:
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appcat_prices = appcat_prices.filter(service__name=filter_service)
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pricing_data_by_group_and_service_level = defaultdict(lambda: defaultdict(list))
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processed_combinations = set()
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# Generate pricing combinations for each compute plan and service
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for plan in compute_plans:
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plan_currencies = set(plan.prices.values_list("currency", flat=True))
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for appcat_price in appcat_prices:
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# Determine units based on variable unit type
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if appcat_price.variable_unit == VSHNAppCatPrice.VariableUnit.RAM:
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units = int(plan.ram)
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elif appcat_price.variable_unit == VSHNAppCatPrice.VariableUnit.CPU:
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units = int(plan.vcpus)
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else:
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continue
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base_fee_currencies = set(
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appcat_price.base_fees.values_list("currency", flat=True)
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)
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service_levels = appcat_price.unit_rates.values_list(
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"service_level", flat=True
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).distinct()
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# Apply service level filter
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if filter_service_level:
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service_levels = [
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sl
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for sl in service_levels
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if dict(VSHNAppCatPrice.ServiceLevel.choices)[sl]
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== filter_service_level
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]
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for service_level in service_levels:
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unit_rate_currencies = set(
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appcat_price.unit_rates.filter(
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service_level=service_level
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).values_list("currency", flat=True)
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)
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# Find currencies that exist across all pricing components
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matching_currencies = plan_currencies.intersection(
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base_fee_currencies
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).intersection(unit_rate_currencies)
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if not matching_currencies:
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continue
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for currency in matching_currencies:
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combination_key = (
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plan.cloud_provider.name,
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plan.name,
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appcat_price.service.name,
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service_level,
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currency,
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)
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# Skip if combination already processed
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if combination_key in processed_combinations:
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continue
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processed_combinations.add(combination_key)
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# Get pricing components
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compute_plan_price = plan.get_price(currency)
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base_fee = appcat_price.get_base_fee(currency)
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unit_rate = appcat_price.get_unit_rate(currency, service_level)
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# Skip if any pricing component is missing
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if any(
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price is None
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for price in [compute_plan_price, base_fee, unit_rate]
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):
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continue
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# Calculate replica enforcement based on service level
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if service_level == VSHNAppCatPrice.ServiceLevel.GUARANTEED:
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replica_enforce = appcat_price.ha_replica_min
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else:
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replica_enforce = 1
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total_units = units * replica_enforce
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standard_sla_price = base_fee + (total_units * unit_rate)
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# Apply discount if available
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discount_breakdown = None
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if (
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appcat_price.discount_model
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and appcat_price.discount_model.active
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):
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discounted_price = (
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appcat_price.discount_model.calculate_discount(
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unit_rate, total_units
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)
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)
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sla_price = base_fee + discounted_price
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discount_savings = standard_sla_price - sla_price
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discount_percentage = (
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(discount_savings / standard_sla_price) * 100
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if standard_sla_price > 0
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else 0
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)
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discount_breakdown = (
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appcat_price.discount_model.get_discount_breakdown(
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unit_rate, total_units
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)
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)
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else:
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sla_price = standard_sla_price
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discounted_price = total_units * unit_rate
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discount_savings = 0
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discount_percentage = 0
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final_price = compute_plan_price + sla_price
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service_level_display = dict(VSHNAppCatPrice.ServiceLevel.choices)[
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service_level
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]
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# Get external price comparisons if enabled
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external_comparisons = []
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if show_price_comparison:
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external_prices = get_external_price_comparisons(
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plan, appcat_price, currency, service_level
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)
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for ext_price in external_prices:
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price_difference = float(ext_price.amount) - float(
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final_price
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)
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price_ratio = (
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float(ext_price.amount) / float(final_price)
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if final_price > 0
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else None
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)
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external_comparisons.append(
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{
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"provider": ext_price.cloud_provider.name,
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"plan_name": ext_price.plan_name,
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"amount": ext_price.amount,
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"difference": price_difference,
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"ratio": price_ratio,
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"description": ext_price.description,
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"vcpus": ext_price.vcpus,
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"ram": ext_price.ram,
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"storage": ext_price.storage,
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"replicas": ext_price.replicas,
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}
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)
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group_name = plan.group.name if plan.group else "No Group"
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# Add pricing data to the grouped structure
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pricing_data_by_group_and_service_level[group_name][
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service_level_display
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].append(
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{
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"cloud_provider": plan.cloud_provider.name,
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"service": appcat_price.service.name,
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"compute_plan": plan.name,
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"compute_plan_group": group_name,
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"compute_plan_group_description": (
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plan.group.description if plan.group else ""
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),
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"compute_plan_group_node_label": (
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plan.group.node_label if plan.group else ""
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),
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"vcpus": plan.vcpus,
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"ram": plan.ram,
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"cpu_mem_ratio": plan.cpu_mem_ratio,
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"term": plan.get_term_display(),
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"currency": currency,
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"compute_plan_price": compute_plan_price,
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"variable_unit": appcat_price.get_variable_unit_display(),
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"units": units,
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"replica_enforce": replica_enforce,
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"total_units": total_units,
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"service_level": service_level_display,
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"sla_base": base_fee,
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"sla_per_unit": unit_rate,
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"sla_price": sla_price,
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"standard_sla_price": standard_sla_price,
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"discounted_sla_price": (
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base_fee + discounted_price
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if appcat_price.discount_model
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and appcat_price.discount_model.active
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else None
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),
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"discount_savings": discount_savings,
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"discount_percentage": discount_percentage,
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"discount_breakdown": discount_breakdown,
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"final_price": final_price,
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"discount_model": (
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appcat_price.discount_model.name
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if appcat_price.discount_model
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else None
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),
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"has_discount": bool(
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appcat_price.discount_model
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and appcat_price.discount_model.active
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),
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"external_comparisons": external_comparisons,
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}
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)
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# Order groups correctly, placing "No Group" last
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ordered_groups_intermediate = {}
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all_group_names = list(pricing_data_by_group_and_service_level.keys())
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if "No Group" in all_group_names:
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all_group_names.remove("No Group")
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all_group_names.append("No Group")
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for group_name_key in all_group_names:
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ordered_groups_intermediate[group_name_key] = (
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pricing_data_by_group_and_service_level[group_name_key]
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)
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# Convert defaultdicts to regular dicts for the template
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final_context_data = {}
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for group_key, service_levels_dict in ordered_groups_intermediate.items():
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final_context_data[group_key] = {
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sl_key: list(plans_list)
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for sl_key, plans_list in service_levels_dict.items()
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}
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# Get filter options for dropdowns
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all_cloud_providers = (
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ComputePlan.objects.filter(active=True)
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.values_list("cloud_provider__name", flat=True)
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.distinct()
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.order_by("cloud_provider__name")
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)
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all_services = (
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VSHNAppCatPrice.objects.values_list("service__name", flat=True)
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.distinct()
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.order_by("service__name")
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)
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all_compute_plan_groups = list(
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ComputePlan.objects.filter(active=True, group__isnull=False)
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.values_list("group__name", flat=True)
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.distinct()
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.order_by("group__name")
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)
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all_compute_plan_groups.append("No Group") # Add option for plans without groups
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all_service_levels = [choice[1] for choice in VSHNAppCatPrice.ServiceLevel.choices]
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context = {
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"pricing_data_by_group_and_service_level": final_context_data,
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"show_discount_details": show_discount_details,
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"show_price_comparison": show_price_comparison,
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"filter_cloud_provider": filter_cloud_provider,
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"filter_service": filter_service,
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"filter_compute_plan_group": filter_compute_plan_group,
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"filter_service_level": filter_service_level,
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"all_cloud_providers": all_cloud_providers,
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"all_services": all_services,
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"all_compute_plan_groups": all_compute_plan_groups,
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"all_service_levels": all_service_levels,
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}
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return render(request, "services/pricelist.html", context)
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