Merge pull request #5604 from nhsuk/revert-5595-revert-5594-default-consent-disease-types

Revert "Revert "Default `disease_types` from programme in `DraftConsent`""

Author: thomasleese

app/models/draft_consent.rb

@@ -327,7 +327,7 @@ def write_to!(consent, triage_form:)
     consent.parent = parent
     consent.submitted_at ||= Time.current
     consent.academic_year = academic_year if academic_year.present?
-    consent.disease_types = disease_types
+    consent.disease_types = disease_types.presence || programme.disease_types
 
     if triage_allowed? && requires_triage?
       triage_form.add_patient_specific_direction =

spec/models/draft_consent_spec.rb

@@ -114,6 +114,16 @@
         end
       end
     end
+
+    context "when disease_types is not present" do
+      it "falls back to the disease types from the programme" do
+        freeze_time do
+          expect { write_to }.to change(consent, :disease_types).from(nil).to(
+            Programme::DISEASE_TYPES[programme.type]
+          )
+        end
+      end
+    end
   end
 
   describe "#reset_unused_attributes" do