CLDC-1906 infer offered (#1298)

* feat: infer offered if renewal

* feat: update test

* db:update

app/models/derived_variables/lettings_log_variables.rb

@@ -45,6 +45,7 @@ module DerivedVariables::LettingsLogVariables
       self.underoccupation_benefitcap = 2 if collection_start_year == 2021
       self.referral = 1
       self.waityear = 2
+      self.offered = 0
       if is_general_needs?
         # fixed term
         self.prevten = 32 if managing_organisation&.provider_type == "PRP"

db/schema.rb

@@ -524,8 +524,8 @@ ActiveRecord::Schema[7.0].define(version: 2023_02_10_143120) do
     t.integer "details_known_5"
     t.integer "details_known_6"
     t.integer "saledate_check"
-    t.integer "staircasesale"
     t.integer "prevshared"
+    t.integer "staircasesale"
     t.integer "ethnic_group2"
     t.integer "ethnicbuy2"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"

spec/models/lettings_log_spec.rb

@@ -1946,12 +1946,12 @@ RSpec.describe LettingsLog do
     end
 
     context "when a non select question associated with several pages is routed to" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, period: 2) }
+      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, period: 2, needstype: 1) }
 
       it "does not clear the answer value" do
-        lettings_log.update!({ offered: 4 })
+        lettings_log.update!({ unitletas: 1 })
         lettings_log.reload
-        expect(lettings_log.offered).to eq(4)
+        expect(lettings_log.unitletas).to eq(1)
       end
     end