Don't add deceased patients to sessions

If a patient is marked as deceased we shouldn't be adding them to any
sessions.

app/models/consent_form.rb

@@ -364,7 +364,7 @@ def match_with_patient!(patient)
             .has_programme(programme)
             .find_by(team:, location: school)
 
-        if upcoming_session
+        if upcoming_session && patient.date_of_death.nil?
           patient.patient_sessions.find_or_create_by!(session: upcoming_session)
         end
       end

app/models/session.rb

@@ -119,10 +119,11 @@ def create_patient_sessions!
     cohorts = team.cohorts.for_year_groups(year_groups, academic_year:)
 
     patients_in_cohorts =
-      Patient.where(cohort: cohorts, school: location).includes(
-        :upcoming_sessions,
-        vaccination_records: :programme
-      )
+      Patient.where(
+        cohort: cohorts,
+        school: location,
+        date_of_death: nil
+      ).includes(:upcoming_sessions, vaccination_records: :programme)
 
     required_programmes = Set.new(programmes)
 

spec/factories/patients.rb

@@ -107,6 +107,10 @@
       home_educated { true }
     end
 
+    trait :deceased do
+      date_of_death { Date.current }
+    end
+
     trait :consent_request_sent do
       after(:create) do |patient, context|
         create(

spec/models/session_spec.rb

@@ -277,6 +277,14 @@
         programme: hpv_programme,
         patient: both_vaccinated_teen
       )
+
+      create(
+        :patient,
+        :deceased,
+        date_of_birth: 9.years.ago.to_date,
+        team:,
+        school:
+      )
     end
 
     context "with a Flu session" do