Merge pull request #3952 from nhsuk/filter-primary-vaccine-method

Update vaccine method filter to search on primary method

Author: thomasleese

app/models/patient/consent_status.rb

@@ -32,10 +32,7 @@ class Patient::ConsentStatus < ApplicationRecord
 
   scope :has_vaccine_method,
         ->(vaccine_method) do
-          where(
-            "vaccine_methods @> ARRAY[?]::integer[]",
-            vaccine_methods.fetch(vaccine_method)
-          )
+          where("vaccine_methods[1] = ?", vaccine_methods.fetch(vaccine_method))
         end
 
   enum :status,

spec/forms/search_form_spec.rb

@@ -390,10 +390,22 @@
           vaccine_methods: %w[nasal injection]
         )
 
-        create(
-          :patient_session,
-          :consent_given_triage_not_needed,
-          programmes: [programme]
+        _injection_only_patient =
+          create(
+            :patient_session,
+            :consent_given_triage_not_needed,
+            programmes: [programme]
+          )
+
+        injection_primary_patient =
+          create(
+            :patient_session,
+            :consent_given_triage_not_needed,
+            programmes: [programme]
+          )
+
+        injection_primary_patient.patient.consent_statuses.first.update!(
+          vaccine_methods: %w[injection nasal]
         )
 
         expect(form.apply(scope)).to contain_exactly(nasal_patient_session)