add compound validation for bedsit

app/models/validations/sales_validations.rb

@@ -8,4 +8,12 @@ module Validations::SalesValidations
       record.errors.add :beds, "Number of bedrooms must be between 1 and 9"
     end 
   end
+
+  def validate_beds_proptype(record)
+      # Integer(record.offered_before_type_cast)
+    if record.beds.present? && record.beds.to_i != 1 && record.proptype == 2
+    record.errors.add :beds, "A bedsit can not have more than 1 bedroom"
+    record.errors.add :proptype, "A bedsit can not have more than 1 bedroom"
+    end
+  end
 end