Switch to household number of other members

app/models/case_log.rb

@@ -106,16 +106,16 @@ class CaseLogValidator < ActiveModel::Validator
   end
 
   def validate_shared_housing_rooms(record)
-    number_of_tenants = people_in_household(record)
-
     unless record.property_unit_type.nil?
       if record.property_unit_type == "Bed-sit" && record.property_number_of_bedrooms != 1
         record.errors.add :property_unit_type, "A bedsit can only have one bedroom"
       end
 
-      if people_in_household(record) > 1
+      unless record.household_number_of_other_members.nil?
-        if record.property_unit_type.include?("Shared") && (record.property_number_of_bedrooms.to_i == 0 || record.property_number_of_bedrooms.to_i > 7)
+        if record.household_number_of_other_members > 0
-          record.errors.add :property_unit_type, "A shared house must have 1 to 7 bedrooms"
+          if record.property_unit_type.include?("Shared") && (record.property_number_of_bedrooms.to_i == 0 || record.property_number_of_bedrooms.to_i > 7)
+            record.errors.add :property_unit_type, "A shared house must have 1 to 7 bedrooms"
+          end
         end
       end
 
@@ -163,15 +163,6 @@ private
       record["person_#{n}_gender"] == "Female" && record["person_#{n}_age"] >= 16 && record["person_#{n}_age"] <= 50
     end
   end
-
-  def people_in_household(record)
-    count = 0
-    (1..8).any? do |n|
-      next if record["person_#{n}_gender"].nil? || record["person_#{n}_age"].nil?
-      count += 1
-    end
-    return count
-  end
 end
 
 class CaseLog < ApplicationRecord

spec/models/case_log_spec.rb

@@ -108,7 +108,16 @@ RSpec.describe Form, type: :model do
       it "you must answer less than 8 bedrooms" do
         expect {
           CaseLog.create!(property_unit_type: "Shared bungalow",
-                          property_number_of_bedrooms: 8)
+                          property_number_of_bedrooms: 8,
+                          household_number_of_other_members: 1)
+        }.to raise_error(ActiveRecord::RecordInvalid)
+      end
+
+      it "you must answer less than 8 bedrooms" do
+        expect {
+          CaseLog.create!(property_unit_type: "Shared bungalow",
+                          property_number_of_bedrooms: 4,
+                          household_number_of_other_members: 0)
         }.to raise_error(ActiveRecord::RecordInvalid)
       end