Merge pull request #3712 from nhsuk/flu-vaccination-criteria

Add vaccination criteria for Flu

Author: thomasleese

app/lib/programme_grouper.rb

@@ -12,9 +12,7 @@ def call
       .to_h
   end
 
-  def self.call(*args, **kwargs)
-    new(*args, **kwargs).call
-  end
+  def self.call(...) = new(...).call
 
   private_class_method :new
 
@@ -30,7 +28,7 @@ def programme_group(programme)
     elsif programme.doubles?
       :doubles
     else
-      raise "Unknown programme type #{programme.type}"
+      raise UnsupportedProgramme, programme
     end
   end
 end

app/lib/unsupported_programme.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class UnsupportedProgramme < RuntimeError
+  def initialize(programme)
+    super("Unsupported programme: #{programme.name}")
+  end
+end

app/lib/vaccinated_criteria.rb

@@ -11,22 +11,30 @@ def call
     vaccination_records_for_programme =
       vaccination_records.select { it.programme_id == programme.id }
 
-    return true if vaccination_records_for_programme.any?(&:already_had?)
-
-    administered_records =
-      vaccination_records_for_programme.select(&:administered?)
-
-    if programme.menacwy?
-      administered_records.any? { patient.age(now: it.performed_at) >= 10 }
-    elsif programme.td_ipv?
-      administered_records.any? do
-        (
-          it.dose_sequence == programme.vaccinated_dose_sequence ||
-            (it.dose_sequence.nil? && it.recorded_in_service?)
-        ) && patient.age(now: it.performed_at) >= 10
-      end
+    if programme.flu?
+      vaccination_records_for_programme
+        .select { it.administered? || it.already_had? }
+        .any?(&:performed_this_academic_year?)
     else
-      administered_records.any?
+      return true if vaccination_records_for_programme.any?(&:already_had?)
+
+      administered_records =
+        vaccination_records_for_programme.select(&:administered?)
+
+      if programme.hpv?
+        administered_records.any?
+      elsif programme.menacwy?
+        administered_records.any? { patient.age(now: it.performed_at) >= 10 }
+      elsif programme.td_ipv?
+        administered_records.any? do
+          (
+            it.dose_sequence == programme.vaccinated_dose_sequence ||
+              (it.dose_sequence.nil? && it.recorded_in_service?)
+          ) && patient.age(now: it.performed_at) >= 10
+        end
+      else
+        raise UnsupportedProgramme, programme
+      end
     end
   end
 

app/models/vaccination_record.rb

@@ -174,6 +174,10 @@ def academic_year
     performed_at.to_date.academic_year
   end
 
+  def performed_this_academic_year?
+    academic_year == Date.current.academic_year
+  end
+
   private
 
   def requires_location_name?

lib/tasks/vaccines.rake

@@ -40,7 +40,7 @@ namespace :vaccines do
         elsif programme.td_ipv?
           create_td_ipv_health_questions(vaccine)
         else
-          raise "Unknown programme: #{programme.name}"
+          raise UnsupportedProgramme, programme
         end
       end
     end

spec/lib/vaccinated_criteria_spec.rb

@@ -2,9 +2,7 @@
 
 describe VaccinatedCriteria do
   describe "#call" do
-    subject(:call) do
-      described_class.call(programme:, patient:, vaccination_records:)
-    end
+    subject { described_class.call(programme:, patient:, vaccination_records:) }
 
     let(:patient) { create(:patient, date_of_birth: 15.years.ago.to_date) }
     let(:vaccination_records) { [] }
@@ -45,6 +43,39 @@
 
         it { should be(true) }
       end
+
+      context "with an administered vaccination record from last year" do
+        let(:vaccination_records) do
+          [
+            create(
+              :vaccination_record,
+              :administered,
+              patient:,
+              programme:,
+              performed_at: 1.year.ago
+            )
+          ]
+        end
+
+        it { should be(false) }
+      end
+
+      context "with an already had vaccination record from last year" do
+        let(:vaccination_records) do
+          [
+            create(
+              :vaccination_record,
+              :not_administered,
+              :already_had,
+              patient:,
+              programme:,
+              performed_at: 1.year.ago
+            )
+          ]
+        end
+
+        it { should be(false) }
+      end
     end
 
     context "with an HPV programme" do