lib/polish_invoicer/validator.rb in polish_invoicer-0.0.24 vs lib/polish_invoicer/validator.rb in polish_invoicer-0.0.25

@@ -82,10 +82,12 @@
         @errors[:price] = 'Cena musi być liczbą'
       end
     end
 
     def check_price_paid
+      return if @invoice.price_paid.nil?
       return if @invoice.price.nil?
+
       if @invoice.price_paid.is_a?(Numeric)
         @errors[:price_paid] = 'Kwota zapłacona musi być liczbą dodatnią' unless @invoice.price_paid >= 0
         @errors[:price_paid] = 'Kwota zapłacona musi być mniejsza lub równa cenie' unless @invoice.price_paid <= @invoice.price
       else
         @errors[:price_paid] = 'Kwota zapłacona musi być liczbą'