Make skip to next incomplete section functional

app/helpers/tasklist_helper.rb

@@ -29,10 +29,6 @@ module TasklistHelper
     :in_progress
   end
 
-  def all_questions_completed(case_log)
-    case_log.attributes.all? { |_question, answer| answer.present?}
-  end
-
   def get_status_style(status_label)
     STYLES[status_label]
   end
@@ -40,4 +36,19 @@ module TasklistHelper
   def get_status_label(status)
     STATUSES[status]
   end
+
+  def get_next_incomplete_section(form, case_log)
+    subsections = form.all_subsections.keys
+    return subsections.find { |subsection| is_incomplete?(subsection, case_log) }
+  end
+
+  private
+  def all_questions_completed(case_log)
+    case_log.attributes.all? { |_question, answer| answer.present?}
+  end
+
+  def is_incomplete?(subsection, case_log)
+    status = get_subsection_status(subsection, case_log)
+    return status == :not_started || status == :in_progress
+  end
 end

app/views/case_logs/_tasklist.html.erb

@@ -8,7 +8,7 @@
       </h2>
       <ul class="app-task-list__items">
         <% section_value["subsections"].map do |subsection_key, subsection_value| %>
-          <li class="app-task-list__item">
+          <li class="app-task-list__item" id=<%= subsection_key %>>
             <% first_page = @form.first_page_for_subsection(subsection_key) %>
             <%= link_to subsection_value["label"], send("case_log_#{first_page}_path", @case_log), class: "task-name" %>
             <% subsection_status=get_subsection_status(subsection_key, @case_log) %>

app/views/case_logs/edit.html.erb

@@ -8,7 +8,7 @@
         <%= @case_log.status %></h2>
       <p class="govuk-body govuk-!-margin-bottom-7">You've completed 0 of 9 sections.</p>
       <p class="govuk-body govuk-!-margin-bottom-7">
-        <a href="#">Skip to next incomplete section</a>
+        <a href="#<%= get_next_incomplete_section(@form, @case_log) %>">Skip to next incomplete section</a>
       </p>
 
       <%= render "tasklist", locals: { form: @form } %>

spec/features/case_log_spec.rb

@@ -39,6 +39,11 @@ RSpec.describe "Test Features" do
         assert_selector ".govuk-tag", text: /Completed/, count: 0
         assert_selector ".govuk-tag", text: /Cannot start yet/, count: 1
       end
+
+      it "skips to the first section if no answers are completed" do
+        visit("/case_logs/#{empty_case_log.id}")
+        expect(page).to have_link("Skip to next incomplete section", :href => /#household_characteristics/)
+      end
     end
 
     it "displays the household questions when you click into that section" do

spec/helpers/tasklist_helper_spec.rb

@@ -3,7 +3,6 @@ require "rails_helper"
 RSpec.describe TasklistHelper do
   describe "get subsection status" do
     let!(:case_log) { FactoryBot.create(:case_log) }
-    @form = Form.new(2021, 2022)
 
     it "returns not started if none of the questions in the subsection are answered" do
       expect(get_subsection_status("income_and_benefits", case_log)).to eq(:not_started)
@@ -28,4 +27,19 @@ RSpec.describe TasklistHelper do
       expect(get_subsection_status("declaration", completed_case_log)).to eq(:not_started)
     end
   end
+
+  describe "get next incomplete section" do
+    let!(:case_log) { FactoryBot.create(:case_log) }
+
+    it "returns the first subsection name if it is not completed" do
+      @form = Form.new(2021, 2022)
+      expect(get_next_incomplete_section(@form, case_log)).to eq("household_characteristics")
+    end
+
+    it "returns the first subsection name if it is partially completed" do
+      @form = Form.new(2021, 2022)
+      case_log["tenant_code"] = 123
+      expect(get_next_incomplete_section(@form, case_log)).to eq("household_characteristics")
+    end
+  end
 end