derive has_benefits

app/models/case_log.rb

@@ -274,6 +274,7 @@ private
     self.property_postcode = nil
     self.postcode = nil
     self.postcod2 = nil
+    self.has_benefits = get_has_benefits
   end
 
   def get_totelder
@@ -303,6 +304,13 @@ private
     end
   end
 
+  def get_has_benefits
+    return "yes" if ["1. Housing benefit",
+                     "6. Universal Credit with housing element (excluding housing benefit)",
+                     "7. Universal Credit (without housing element)",
+                     "8. Housing benefit and Universal Credit (without housing element)"].include?(hb)
+  end
+
   def all_fields_completed?
     mandatory_fields.none? { |field| public_send(field).nil? if respond_to?(field) }
   end

db/schema.rb

@@ -178,6 +178,7 @@ ActiveRecord::Schema.define(version: 2022_01_10_115720) do
     t.integer "totelder"
     t.integer "totadult"
     t.integer "net_income_known"
+    t.string "has_benefits"
     t.index ["discarded_at"], name: "index_case_logs_on_discarded_at"
     t.index ["managing_organisation_id"], name: "index_case_logs_on_managing_organisation_id"
     t.index ["owning_organisation_id"], name: "index_case_logs_on_owning_organisation_id"

spec/models/case_log_spec.rb

@@ -1038,6 +1038,8 @@ RSpec.describe Form, type: :model do
         other_hhmemb: 6,
         rent_type: "London living rent",
         needstype: "General needs",
+        hb: "1. Housing benefit",
+        hbrentshortfall: "No",
       })
     end
 
@@ -1218,5 +1220,12 @@ RSpec.describe Form, type: :model do
         expect(record_from_db["totadult"]).to eq(3)
       end
     end
+
+    it "correctly derives and saves has_benefits" do
+      case_log.reload
+
+      record_from_db = ActiveRecord::Base.connection.execute("select has_benefits from case_logs where id=#{case_log.id}").to_a[0]
+      expect(record_from_db["has_benefits"]).to eq("yes")
+    end
   end
 end