Add check answers helper, display number of questions answered and a link to the next unanswered question

app/helpers/check_answers_helper.rb

@@ -0,0 +1,23 @@
+module CheckAnswersHelper
+  def get_answered_questions_total(subsection_pages, case_log)
+    questions = []
+    subsection_pages.keys.each do |page|
+      questions << page
+    end
+    return questions.count {|question| !(case_log[question].blank?)}
+  end
+
+
+  def create_update_answer_link(case_log_answer, case_log_id, page)
+    link_name = case_log_answer.blank? ? "Answer" : "Change"
+    link_to(link_name, "/case_logs/#{case_log_id}/#{page}", class: "govuk-link").html_safe
+  end
+
+  def create_next_missing_question_link(case_log_id, subsections, case_log)
+    empty_question = subsections.keys.find{|x| case_log[x].blank? }
+
+    url = "/case_logs/#{case_log_id}/#{empty_question}"
+    link_to('Answer the missing questions', url, class: "govuk-link").html_safe
+  end
+
+end

app/views/form/check_answers.html.erb

@@ -1,5 +1,7 @@
 <%= turbo_frame_tag "case_log_form", target: "_top" do %>
   <h1 class="govuk-heading-l">Check the answers you gave for household characteristics</h1>
+  <p>You answered <%= get_answered_questions_total(subsection_pages, case_log)  %> of <%= subsection_pages.count %> questions</p>
+  <%= create_next_missing_question_link(case_log_id, subsection_pages, case_log) %>
   <% subsection_pages.each do |page, page_info| %>
     <dl class="govuk-summary-list govuk-!-margin-bottom-9">
       <div class="govuk-summary-list__row">
@@ -10,11 +12,7 @@
           <%= case_log[page] %>
         </dd>
         <dd class="govuk-summary-list__actions">
-          <% if case_log[page].blank? %>
+          <%= create_update_answer_link(case_log[page], case_log_id, page)%>
-            <%= link_to "Answer", "/case_logs/#{case_log_id}/#{page}", class: "govuk-link" %>
-          <% else %>
-            <%= link_to "Change", "/case_logs/#{case_log_id}/#{page}", class: "govuk-link" %>
-          <% end %>
         </dd>
       </div>
     </dl>
@@ -23,3 +21,4 @@
     <%= f.govuk_submit "Save and continue"  %>
   <% end %>
 <% end %>
+

spec/features/case_log_spec.rb

@@ -124,9 +124,9 @@ RSpec.describe "Test Features" do
         question_labels = ["Tenant code", "Tenant's age", "Tenant's gender", "Ethnicity", "Nationality", "Work", "Number of Other Household Members"]
         question_labels.each do |label|
           expect(page).to have_content(label)
-        end 
+        end
       end
-      
+
       it "should display answers given by the user for the question in the subsection" do
         fill_in_number_question(empty_case_log.id, "tenant_age", 28)
         choose("tenant-gender-non-binary-field")
@@ -134,22 +134,36 @@ RSpec.describe "Test Features" do
         visit("/case_logs/#{empty_case_log.id}/#{subsection}/check_answers")
         expect(page).to have_content("28")
         expect(page).to have_content("Non-binary")
-      end 
+      end
-      
+
       it "should have an answer link for questions missing an answer" do
         visit("case_logs/#{empty_case_log.id}/#{subsection}/check_answers")
-        assert_selector "a", text: "Answer", count: 7
+        assert_selector "a", text: /Answer\z/, count: 7
         assert_selector "a", text: "Change", count: 0
         expect(page).to have_link('Answer', href: "/case_logs/#{empty_case_log.id}/tenant_age")
       end
 
-      it "should have a change link for answered questions" do 
+      it "should have a change link for answered questions" do
         fill_in_number_question(empty_case_log.id, "tenant_age", 28)
         visit("/case_logs/#{empty_case_log.id}/#{subsection}/check_answers")
-        assert_selector "a", text: "Answer", count: 6
+        assert_selector "a", text: /Answer\z/, count: 6
         assert_selector "a", text: "Change", count: 1
         expect(page).to have_link('Change', href: "/case_logs/#{empty_case_log.id}/tenant_age")
-      end 
+      end
+
+      it "should have a link pointing to the first question if no questions are answered" do
+        visit("/case_logs/#{empty_case_log.id}/#{subsection}/check_answers")
+        expect(page).to have_content('You answered 0 of 7 questions')
+        expect(page).to have_link('Answer the missing questions', href: "/case_logs/#{empty_case_log.id}/tenant_code")
+      end
+
+      it "should have a link pointing to the next empty question if some questions are answered" do
+        fill_in_number_question(empty_case_log.id, "tenant_code", 0)
+
+        visit("/case_logs/#{empty_case_log.id}/#{subsection}/check_answers")
+        expect(page).to have_content('You answered 1 of 7 questions')
+        expect(page).to have_link('Answer the missing questions', href: "/case_logs/#{empty_case_log.id}/tenant_age")
+      end
     end
   end
 end