Update routes to get the tenancy start date page from form

app/controllers/lettings_logs_controller.rb

@@ -51,7 +51,11 @@ class LettingsLogsController < LogsController
   def edit
     @log = current_user.lettings_logs.find_by(id: params[:id])
     if @log
-      @log.impacted_by_deactivation ? redirect_to(lettings_log_tenancy_start_date_path(@log)) : render("logs/edit", locals: { current_user: })
+      if @log.impacted_by_deactivation
+        redirect_to(send("lettings_log_#{@log.form.get_question('startdate', @log).page.id}_path", @log))
+      else
+        render("logs/edit", locals: { current_user: })
+      end
     else
       render_not_found
     end

app/views/logs/update_logs.html.erb

@@ -26,7 +26,7 @@
                 scope: "row",
                 class: "govuk-!-text-align-right",
                 }) do %>
-                    <%= govuk_link_to("Update now", lettings_log_tenancy_start_date_path(log)) %>
+                    <%= govuk_link_to("Update now", send("lettings_log_#{log.form.get_question('startdate', log).page.id}_path", log)) %>
             <% end %>
         <% end %>
     <% end %>

spec/requests/lettings_logs_controller_spec.rb

@@ -842,6 +842,8 @@ RSpec.describe LettingsLogsController, type: :request do
       it "routes to the tenancy date question" do
         get "/lettings-logs/#{affected_lettings_log.id}", headers:, params: {}
         expect(response).to redirect_to("/lettings-logs/#{affected_lettings_log.id}/tenancy-start-date")
+        follow_redirect!
+        expect(page).to have_content("What is the tenancy start date?")
       end
     end
   end