RST-4671 income (#1355)

* Loading addditional income based on benefits

* Keeping exising value if exists

app/controllers/evidence/hmrc_controller.rb

@@ -22,6 +22,7 @@ def create
     def show
       authorize evidence
       check_hmrc_data
+      prepulated_additional_income
       render :show
     end
 
@@ -95,5 +96,9 @@ def load_default_date_range
     def additional_income_updated?
       hmrc_service.update_additional_income(hmrc_params)
     end
+
+    def prepulated_additional_income
+      @form.load_additional_income_from_benefits
+    end
   end
 end

app/models/forms/evidence/hmrc_check.rb

@@ -36,6 +36,26 @@ def to_date
         @to_date.strftime("%Y-%m-%d")
       end
 
+      def load_additional_income_from_benefits
+        if child_benefits_per_month.positive?
+          self.additional_income = true
+          self.additional_income_amount = additional_income_value
+        end
+      end
+
+      def additional_income_value
+        return additional_income_amount if additional_income_amount.to_i.positive?
+        child_benefits_per_month
+      end
+
+      def child_benefits_per_month
+        children = @object.evidence_check.application.children
+        return 0 if children.zero?
+        children = 7 if children > 7
+
+        Settings.child_benefits_per_month[children]
+      end
+
       private
 
       def persist!

config/settings.yml

@@ -31,6 +31,14 @@ income:
   max_threshold_base: 5170
   per_child_increment: 265
   married_supplement: 175
+child_benefits_per_month:
+  1: 87
+  2: 145
+  3: 202
+  4: 260
+  5: 318
+  6: 375
+  7: 375
 reference:
   date: <%= ENV['FIRST_SOP_REFERENCE_DATE'] || '2017-01-01' %>
 fee_approval_threshold: 10000.01

spec/models/forms/evidence/hmrc_check_spec.rb

@@ -2,9 +2,9 @@
 
 RSpec.describe Forms::Evidence::HmrcCheck do
   subject(:form) { described_class.new(HmrcCheck.new(evidence_check: evidence)) }
-  let(:application) { create :application, created_at: '15.3.2021' }
-  let(:evidence) { create :evidence_check, application: application }
-
+  let(:application) { build :application, created_at: '15.3.2021', children: children }
+  let(:evidence) { build :evidence_check, application: application }
+  let(:children) { 0 }
   let(:params) {
     {
       "from_date_day" => from_date_day,
@@ -184,6 +184,49 @@
     end
   end
 
+  context 'load_additional_income_from_benefits' do
+    subject(:form) { described_class.new(HmrcCheck.new(evidence_check: evidence)) }
+    context '1 child' do
+      let(:children) { 1 }
+
+      it 'additional_income' do
+        form.load_additional_income_from_benefits
+        expect(form.additional_income_amount).to eq 87
+        expect(form.additional_income).to be true
+      end
+    end
+
+    context '2 child' do
+      let(:children) { 2 }
+
+      it 'additional_income' do
+        form.load_additional_income_from_benefits
+        expect(form.additional_income_amount).to eq 145
+        expect(form.additional_income).to be true
+      end
+    end
+
+    context '8 child' do
+      let(:children) { 8 }
+
+      it 'additional_income' do
+        form.load_additional_income_from_benefits
+        expect(form.additional_income_amount).to eq 375
+        expect(form.additional_income).to be true
+      end
+    end
+
+    context 'don not ovrride existing value' do
+      let(:children) { 2 }
+
+      it 'additional_income' do
+        form.additional_income_amount = 10
+        form.load_additional_income_from_benefits
+        expect(form.additional_income_amount).to eq 10
+      end
+    end
+  end
+
   context 'store' do
     subject(:form) { described_class.new(hmrc_check) }
     let(:hmrc_check) { HmrcCheck.create(evidence_check: evidence) }