feat: behaviour

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

@@ -12,6 +12,7 @@ class Form::Sales::Pages::AboutStaircase < ::Form::Page
     @questions ||= [
       Form::Sales::Questions::StaircaseBought.new(nil, nil, self),
       Form::Sales::Questions::StaircaseOwned.new(nil, nil, self),
+      Form::Sales::Questions::StaircaseSale.new(nil, nil, self),
     ]
   end
 end

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

@@ -0,0 +1,16 @@
+class Form::Sales::Questions::StaircaseSale < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "staircasesale"
+    @check_answer_label = "Part of a back-to-back staircasing transaction"
+    @header = "Is this transaction part of a back-to-back staircasing transaction to facilitate sale of the home on the open market?"
+    @type = "radio"
+    @answer_options = ANSWER_OPTIONS
+  end
+
+  ANSWER_OPTIONS = {
+    "1" => { "value" => "Yes" },
+    "2" => { "value" => "No" },
+    "3" => { "value" => "Don't know" },
+  }.freeze
+end

db/migrate/20230210122037_add_staircasesale_to_sales_logs.rb

@@ -0,0 +1,5 @@
+class AddStaircasesaleToSalesLogs < ActiveRecord::Migration[7.0]
+  def change
+    add_column :sales_logs, :staircasesale, :integer
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_02_03_174815) do
+ActiveRecord::Schema[7.0].define(version: 2023_02_10_122037) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -521,9 +521,10 @@ ActiveRecord::Schema[7.0].define(version: 2023_02_03_174815) do
     t.integer "old_persons_shared_ownership_value_check"
     t.integer "staircase_bought_value_check"
     t.integer "monthly_charges_value_check"
-    t.integer "saledate_check"
     t.integer "details_known_5"
     t.integer "details_known_6"
+    t.integer "saledate_check"
+    t.integer "staircasesale"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
     t.index ["owning_organisation_id"], name: "index_sales_logs_on_owning_organisation_id"