Add Read codes for MMR and MMRV to SystmOne exporter

Also refactors the code to make it clear that records for the MMR
programme use generic procedure codes rather than product-specific
codes.

Jira-Issue: MAV-5722

Author: mikejamesthompson

app/lib/reports/systm_one_exporter.rb

@@ -10,8 +10,8 @@ class Reports::SystmOneExporter
 
   # We think these are CVT3 Read codes still used within SystmOne
   # They have been looked up from the SystmOne Code Browser
-  # They are also available online here: https://biobank.ndph.ox.ac.uk/ukb/coding.cgi?id=8708&nl=1
-  VACCINE_DOSE_MAPPINGS = {
+  # Some of them are also available online here: https://biobank.ndph.ox.ac.uk/ukb/coding.cgi?id=8708&nl=1
+  PRODUCT_DOSE_MAPPINGS = {
     "Cell-based Trivalent Influenza Vaccine Seqirus" => {
       1 => "YcjYj"
     },
@@ -31,16 +31,10 @@ class Reports::SystmOneExporter
       1 => "Y0da5",
       nil => "Y0da5"
     },
-    "MMR VaxPro" => {
-      nil => "Yb9ZN"
-    },
     "Nimenrix" => {
       1 => "YOfcf",
       nil => "YOfcf"
     },
-    "Priorix" => {
-      nil => "Yav8l"
-    },
     "Revaxis" => {
       1 => "Y3417",
       2 => "Y3418",
@@ -58,6 +52,17 @@ class Reports::SystmOneExporter
     }
   }.freeze
 
+  PROCEDURE_DOSE_MAPPINGS = {
+    "mmr" => {
+      1 => "65M1.",
+      2 => "65MA."
+    },
+    "mmrv" => {
+      1 => "Y3fec",
+      2 => "Y3fed"
+    }
+  }.freeze
+
   DELIVERY_SITE_MAPPINGS = {
     left_arm_upper_position: "Left deltoid",
     left_arm_lower_position: "Left deltoid",
@@ -222,10 +227,16 @@ def gender_code(code)
   def vaccination(vaccination_record)
     return if vaccination_record.not_administered?
 
+    programme = vaccination_record.programme
     vaccine_brand = vaccination_record.vaccine.brand
     dose_sequence = vaccination_record.dose_sequence
 
-    mapping = VACCINE_DOSE_MAPPINGS.dig(vaccine_brand, dose_sequence)
+    mapping =
+      if programme.mmr?
+        PROCEDURE_DOSE_MAPPINGS.dig(programme.variant_type, dose_sequence)
+      else
+        PRODUCT_DOSE_MAPPINGS.dig(vaccine_brand, dose_sequence)
+      end
 
     return mapping if mapping.present?
 

spec/lib/reports/systm_one_exporter_spec.rb

@@ -295,16 +295,52 @@
       let(:programme) { Programme.mmr }
       let(:dose_sequence) { nil }
 
-      context "Priorix" do
+      context "Priorix with unknown dose sequence" do
         let(:vaccine) { Vaccine.find_by!(brand: "Priorix") }
 
-        it { should eq("Yav8l") }
+        it { should eq("Priorix") }
       end
 
-      context "MMR VaxPro" do
+      context "MMR VaxPro with unknown dose sequence" do
         let(:vaccine) { Vaccine.find_by!(brand: "MMR VaxPro") }
 
-        it { should eq("Yb9ZN") }
+        it { should eq("MMR VaxPro") }
+      end
+
+      context "Priorix with dose sequence 1" do
+        let(:vaccine) { Vaccine.find_by!(brand: "Priorix") }
+        let(:dose_sequence) { 1 }
+
+        it { should eq("65M1.") }
+      end
+
+      context "MMR VaxPro with dose sequence 2" do
+        let(:vaccine) { Vaccine.find_by!(brand: "MMR VaxPro") }
+        let(:dose_sequence) { 2 }
+
+        it { should eq("65MA.") }
+      end
+
+      context "MMRV vaccinations" do
+        context "ProQuad with unknown dose sequence" do
+          let(:vaccine) { Vaccine.find_by!(brand: "ProQuad") }
+
+          it { should eq("ProQuad") }
+        end
+
+        context "ProQuad with dose sequence 1" do
+          let(:vaccine) { Vaccine.find_by!(brand: "ProQuad") }
+          let(:dose_sequence) { 1 }
+
+          it { should eq("Y3fec") }
+        end
+
+        context "Priorix Tetra with dose sequence 2" do
+          let(:vaccine) { Vaccine.find_by!(brand: "Priorix-Tetra") }
+          let(:dose_sequence) { 2 }
+
+          it { should eq("Y3fed") }
+        end
       end
     end