Add informative text for schemesrbe that have logs

app/views/schemes/show.html.erb

@@ -29,6 +29,9 @@
               <% if @scheme.confirmed? && @scheme.locations.confirmed.none? && LocationPolicy.new(current_user, @scheme.locations.new).create? %>
                 <span class="app-!-colour-muted">Complete this scheme by adding a location using the <%= govuk_link_to("‘locations’ tab", scheme_locations_path(@scheme)) %>.</span>
               <% end %>
+              <% if @scheme.deactivated? && current_user.support? && !SchemePolicy.new(current_user, @scheme).delete? %>
+                  <span class="app-!-colour-muted">This scheme was active in an open or editable collection year, and cannot be deleted.</span>
+              <% end %>
             </dd>
           </div>
         <% elsif attr[:id] != "secondary_client_group" || @scheme.has_other_client_group == "Yes" %>

spec/requests/schemes_controller_spec.rb

@@ -742,6 +742,11 @@ RSpec.describe SchemesController, type: :request do
             expect(response).to have_http_status(:ok)
             expect(page).not_to have_link("Delete this scheme", href: "/schemes/#{scheme.id}/delete-confirmation")
           end
+
+          it "does not render informative text about deleting the scheme" do
+            expect(response).to have_http_status(:ok)
+            expect(page).not_to have_content("This scheme was active in an open or editable collection year, and cannot be deleted.")
+          end
         end
 
         context "with deactivated scheme" do
@@ -751,6 +756,23 @@ RSpec.describe SchemesController, type: :request do
             expect(response).to have_http_status(:ok)
             expect(page).to have_link("Delete this scheme", href: "/schemes/#{scheme.id}/delete-confirmation")
           end
+
+          context "and associated logs in editable collection period" do
+            before do
+              create(:lettings_log, :sh, scheme:, startdate: Time.zone.local(2022, 9, 9), owning_organisation: user.organisation)
+              get "/schemes/#{scheme.id}"
+            end
+
+            it "does not render delete this scheme" do
+              expect(response).to have_http_status(:ok)
+              expect(page).not_to have_link("Delete this scheme", href: "/schemes/#{scheme.id}/delete-confirmation")
+            end
+
+            it "adds informative text about deleting the scheme" do
+              expect(response).to have_http_status(:ok)
+              expect(page).to have_content("This scheme was active in an open or editable collection year, and cannot be deleted.")
+            end
+          end
         end
 
         context "with scheme that's deactivating soon" do