Change about_price to purchase_price and display it for outright sale

app/models/form/sales/pages/about_price.rb

@@ -1,18 +0,0 @@
-class Form::Sales::Pages::AboutPrice < ::Form::Page
-  def initialize(id, hsh, subsection)
-    super
-    @id = "about_price"
-    @header = "About the price of the property"
-    @description = ""
-    @subsection = subsection
-    @depends_on = [{
-      "soctenant" => 2,
-    }]
-  end
-
-  def questions
-    @questions ||= [
-      Form::Sales::Questions::Value.new(nil, nil, self),
-    ]
-  end
-end

app/models/form/sales/pages/purchase_price.rb

@@ -0,0 +1,15 @@
+class Form::Sales::Pages::PurchasePrice < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "purchase_price"
+    @header = ""
+    @description = ""
+    @subsection = subsection
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::PurchasePrice.new(nil, nil, self),
+    ]
+  end
+end

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

@@ -0,0 +1,14 @@
+class Form::Sales::Questions::PurchasePrice < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "value"
+    @check_answer_label = "Purchase price"
+    @header = "What is the full purchase price?"
+    @type = "numeric"
+    @page = page
+    @min = 0
+    @width = 5
+    @prefix = "£"
+    @hint_text = ""
+  end
+end

app/models/form/sales/subsections/outright_sale.rb

@@ -9,6 +9,7 @@ class Form::Sales::Subsections::OutrightSale < ::Form::Subsection
 
   def pages
     @pages ||= [
+      Form::Sales::Pages::PurchasePrice.new(nil, nil, self),
       Form::Sales::Pages::MortgageAmount.new("mortgage_amount_outright_sale", nil, self),
       Form::Sales::Pages::AboutDeposit.new("about_deposit_outright_sale", nil, self),
     ]

spec/models/form/sales/pages/purchase_price_spec.rb

@@ -1,6 +1,6 @@
 require "rails_helper"
 
-RSpec.describe Form::Sales::Pages::AboutPrice, type: :model do
+RSpec.describe Form::Sales::Pages::PurchasePrice, type: :model do
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
   let(:page_id) { nil }
@@ -16,11 +16,11 @@ RSpec.describe Form::Sales::Pages::AboutPrice, type: :model do
   end
 
   it "has the correct id" do
-    expect(page.id).to eq("about_price")
+    expect(page.id).to eq("purchase_price")
   end
 
   it "has the correct header" do
-    expect(page.header).to eq("About the price of the property")
+    expect(page.header).to eq("")
   end
 
   it "has the correct description" do
@@ -28,8 +28,6 @@ RSpec.describe Form::Sales::Pages::AboutPrice, type: :model do
   end
 
   it "has correct depends_on" do
-    expect(page.depends_on).to eq([{
-      "soctenant" => 2,
-    }])
+    expect(page.depends_on).to be_nil
   end
 end

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

@@ -0,0 +1,49 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::PurchasePrice, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("value")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("What is the full purchase price?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Purchase price")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("numeric")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to eq("")
+  end
+
+  it "has correct width" do
+    expect(question.width).to eq(5)
+  end
+
+  it "has correct prefix" do
+    expect(question.prefix).to eq("£")
+  end
+
+  it "has correct min" do
+    expect(question.min).to eq(0)
+  end
+end

spec/models/form/sales/subsections/outright_sale_spec.rb

@@ -13,7 +13,7 @@ RSpec.describe Form::Sales::Subsections::OutrightSale, type: :model do
 
   it "has correct pages" do
     expect(outright_sale.pages.map(&:id)).to eq(
-      %w[
+      %w[purchase_price
         mortgage_amount_outright_sale
         about_deposit_outright_sale
       ],