CRM457-2126: Fix high risk calculation (#1214)

## Description of change
It was 'all costs, excluding VAT, are greater than 5000'.
It is now 'profit costs, including VAT, are greater than or equal to
5000'

[Link to relevant
ticket](https://dsdmoj.atlassian.net/browse/CRM457-2126)

app/services/risk_assessment/high_risk_assessment.rb

@@ -2,22 +2,21 @@
 
 module RiskAssessment
   class HighRiskAssessment
+    HIGH_RISK_THRESHOLD = 5000
+
     def initialize(claim)
       @claim = claim
 
-      @items = {
-        work_items: Nsm::CostSummary::WorkItems.new(@claim.work_items, @claim),
-        letters_calls: Nsm::CostSummary::LettersCalls.new(@claim),
-        disbursements: Nsm::CostSummary::Disbursements.new(@claim.disbursements.by_age, @claim)
-      }
+      @summary = Nsm::CheckAnswers::CostSummaryCard.new(claim)
     end
 
     def assess
       high_cost? || counsel_assigned? || enhanced_rates_claimed? || extradition? || rep_order_withdrawn?
     end
 
     def high_cost?
-      @items.values.filter_map(&:total_cost).sum > 5000
+      profit_cost_summary = @summary.table_fields(formatted: false).find { _1[:name] == 'profit_costs' }
+      profit_cost_summary[:gross_cost] >= HIGH_RISK_THRESHOLD
     end
 
     def counsel_assigned?

spec/factories/work_items.rb

@@ -20,6 +20,12 @@
       uplift { '100' }
     end
 
+    trait :high_profit_cost do
+      valid
+      work_type { WorkTypes::ATTENDANCE_WITHOUT_COUNSEL }
+      time_spent { 60_000 }
+    end
+
     trait :medium_risk_values do
       work_type { WorkTypes::PREPARATION }
       time_spent { '100' }

spec/services/risk_assessment/high_risk_assessment_spec.rb

@@ -6,20 +6,31 @@
   describe '#assess' do
     subject(:assessment) { described_class.new(claim).assess }
 
-    let(:claim) { create(:claim, :one_work_item) }
+    let(:claim) { create(:claim, :one_work_item, :full_firm_details) }
 
     it 'returns false when no clauses are triggered' do
       expect(assessment).to be_falsey
     end
 
-    context 'when cost is over £5000' do
-      before { create(:disbursement, :valid_high_cost, claim:) }
+    context 'when vat-inclusive profit-cost is £5000 or more' do
+      before do
+        create(:work_item, :high_profit_cost, claim:)
+        claim.reload
+      end
 
       it 'returns true' do
         expect(assessment).to be_truthy
       end
     end
 
+    context 'when non-profit-cost is over £5000' do
+      before { create(:disbursement, :valid_high_cost, claim:) }
+
+      it 'returns false' do
+        expect(assessment).to be_falsey
+      end
+    end
+
     context 'when there is an assigned counsel' do
       before { claim.assigned_counsel = 'yes' }
 

spec/services/risk_assessment/risk_assessment_scorer_spec.rb

@@ -7,7 +7,7 @@
 
   describe '#calculate' do
     context 'returns high risk' do
-      let(:claim) { create(:claim, :with_assigned_council) }
+      let(:claim) { create(:claim, :with_assigned_council, :full_firm_details) }
 
       it do
         expect(described_class.calculate(claim)).to eq('high')
@@ -17,6 +17,7 @@
     context 'returns medium risk' do
       let(:claim) do
         create(:claim,
+               :full_firm_details,
                prosecution_evidence: 1,
                defence_statement: 1,
                number_of_witnesses: 1,
@@ -44,6 +45,7 @@
     context 'returns low risk' do
       let(:claim) do
         create(:claim,
+               :full_firm_details,
                prosecution_evidence: 50,
                defence_statement: 1,
                number_of_witnesses: 1,