Route back to check answers after an interruption screen and back to previous page if no is selected on the interruption screen

Co-authored-by: baarkerlounger  <baarkerlounger@users.noreply.github.com>

app/controllers/form_controller.rb

@@ -9,12 +9,7 @@ class FormController < ApplicationController
       responses_for_page = responses_for_page(@page)
       if @case_log.update(responses_for_page)
         session[:errors] = nil
-        if is_referrer_check_answers? && !@case_log.form.next_page(@page, @case_log).to_s.include?("value_check")
-          redirect_to(send("case_log_#{@case_log.form.subsection_for_page(@page).id}_check_answers_path", @case_log))
-        else
-          redirect_path = @case_log.form.next_page_redirect_path(@page, @case_log)
-          redirect_to(send(redirect_path, @case_log))
-        end
+        redirect_to(successful_redirect_path)
       else
         redirect_path = "case_log_#{@page.id}_path"
         session[:errors] = @case_log.errors.to_json
@@ -108,4 +103,20 @@ private
     referrer = request.headers["HTTP_REFERER"].presence || ""
     referrer.present? && CGI.parse(referrer.split("?")[-1]).present? && CGI.parse(referrer.split("?")[-1])["referrer"][0] == "check_answers"
   end
+
+  def successful_redirect_path
+    if is_referrer_check_answers?
+      page_ids = @case_log.form.subsection_for_page(@page).pages.map(&:id)
+      page_index = page_ids.index(@page.id)
+      next_page = @case_log.form.next_page(@page, @case_log)
+      previous_page = @case_log.form.previous_page(page_ids, page_index, @case_log)
+      if next_page.to_s.include?("value_check") || next_page == previous_page
+        return "/logs/#{@case_log.id}/#{next_page.dasherize}?referrer=check_answers"
+      else
+        return send("case_log_#{@case_log.form.subsection_for_page(@page).id}_check_answers_path", @case_log)
+      end
+    end
+    redirect_path = @case_log.form.next_page_redirect_path(@page, @case_log)
+    send(redirect_path, @case_log)
+  end
 end

app/models/validations/soft_validations.rb

@@ -58,7 +58,7 @@ module Validations::SoftValidations
 
   def all_tenants_age_and_gender_information_completed?
     (1..hhmemb).all? do |n|
-      public_send("sex#{n}").present? && public_send("age#{n}").present? && details_known_or_lead_tenant?(n) && public_send("age#{n}_known")
+      public_send("sex#{n}").present? && public_send("age#{n}").present? && details_known_or_lead_tenant?(n) && public_send("age#{n}_known").zero?
     end
   end
 

spec/requests/form_controller_spec.rb

@@ -342,6 +342,43 @@ RSpec.describe FormController, type: :request do
         end
       end
 
+      context "when coming from check answers page" do
+        context "and navigating to an interruption screen" do
+          let(:interrupt_params) do
+            {
+              id: completed_case_log.id,
+              case_log: {
+                page: "net_income_value_check",
+                net_income_value_check: value,
+              },
+            }
+          end
+          let(:referrer) { "/logs/#{completed_case_log.id}/net-income-value-check?referrer=check_answers" }
+
+          before do
+            completed_case_log.update!(ecstat1: 1, earnings: 130, hhmemb: 1) # we're not routing to that page, so it gets cleared?§
+            allow(completed_case_log).to receive(:net_income_soft_validation_triggered?).and_return(true)
+            post "/logs/#{completed_case_log.id}/form", params: interrupt_params, headers: headers.merge({ "HTTP_REFERER" => referrer })
+          end
+
+          context "when yes is answered" do
+            let(:value) { 0 }
+
+            it "redirects back to check answers if 'yes' is selected" do
+              expect(response).to redirect_to("/logs/#{completed_case_log.id}/income-and-benefits/check-answers")
+            end
+          end
+
+          context "when no is answered" do
+            let(:value) { 1 }
+
+            it "redirects to the previous question if 'no' is selected" do
+              expect(response).to redirect_to("/logs/#{completed_case_log.id}/net-income?referrer=check_answers")
+            end
+          end
+        end
+      end
+
       context "with case logs that are not owned or managed by your organisation" do
         let(:answer) { 25 }
         let(:other_organisation) { FactoryBot.create(:organisation) }