CLDC 2454: add answer option to q90 depending on q78 (#1717)

* CDLC-2545: Wip

* CLDC-2545: answers dependant on staircase ownership, tests written.

* CLDC-2545: linting

* CLDC-2545: Mortgage used validation condition

* CLDC-2545: lint and type removal.

* CLDC-2454: lint and type removal.

app/models/form/sales/questions/mortgageused.rb

@@ -16,12 +16,16 @@ class Form::Sales::Questions::Mortgageused < ::Form::Question
     "3" => { "value" => "Don’t know" },
   }.freeze
 
-  def displayed_answer_options(_log, _user = nil)
+  def displayed_answer_options(log, _user = nil)
+    if log.stairowned == 100
+      ANSWER_OPTIONS
+    else
       {
         "1" => { "value" => "Yes" },
         "2" => { "value" => "No" },
       }
     end
+  end
 
   def question_number
     case @ownershipsch

app/models/validations/sales/sale_information_validations.rb

@@ -50,7 +50,7 @@ module Validations::Sales::SaleInformationValidations
   def validate_discounted_ownership_value(record)
     return unless record.saledate && collection_start_year_for_date(record.saledate) >= 2024
     return unless record.value && record.deposit && record.ownershipsch
-    return unless record.mortgage || record.mortgageused == 2
+    return unless record.mortgage || record.mortgageused == 2 || record.mortgageused == 3
     return unless record.discount || record.grant || record.type == 29
 
     if record.mortgage_deposit_and_grant_total != record.value_with_discount && record.discounted_ownership_sale?

app/models/validations/sales/soft_validations.rb

@@ -141,7 +141,7 @@ module Validations::Sales::SoftValidations
   def discounted_ownership_value_invalid?
     return unless saledate && collection_start_year <= 2023
     return unless value && deposit && ownershipsch
-    return unless mortgage || mortgageused == 2
+    return unless mortgage || mortgageused == 2 || mortgageused == 3
     return unless discount || grant || type == 29
 
     mortgage_deposit_and_grant_total != value_with_discount && discounted_ownership_sale?

spec/models/form/sales/questions/mortgageused_spec.rb

@@ -48,10 +48,26 @@ RSpec.describe Form::Sales::Questions::Mortgageused, type: :model do
     expect(question.hint_text).to be_nil
   end
 
-  it "has the correct displayed_answer_options" do
+  context "when staircase owned percentage is 100%" do
+    let(:log) { build(:sales_log, stairowned: 100) }
+
+    it "show's the don't know option" do
       expect(question.displayed_answer_options(log)).to eq({
         "1" => { "value" => "Yes" },
         "2" => { "value" => "No" },
+        "3" => { "value" => "Don’t know" },
       })
     end
   end
+
+  context "when staircase owned percentage is less than 100%" do
+    let(:log) { build(:sales_log, stairowned: 99) }
+
+    it "show's the don't know option" do
+      expect(question.displayed_answer_options(log)).to eq({
+        "1" => { "value" => "Yes" },
+        "2" => { "value" => "No" },
+      })
+    end
+  end
+end