lib/polish_invoicer/validator.rb in polish_invoicer-0.0.25 vs lib/polish_invoicer/validator.rb in polish_invoicer-0.0.26

@@ -18,10 +18,11 @@
       check_price_paid
       check_vat
       check_proforma
       check_create_and_payment_date
       check_currency
+      check_lang
       @errors.empty?
     end
 
     private
 
@@ -120,9 +121,16 @@
 
     def check_currency
       return if @errors[:currency]
       return if %w[PLN EUR USD GBP].include?(@invoice.currency)
       @errors[:currency] = 'Nieznana waluta'
+    end
+
+    def check_lang
+      return if blank?(@invoice.lang)
+      return if %w[pl pl_en en].include?(@invoice.lang)
+
+      @errors[:lang] = 'Nieznany język'
     end
 
     def blank?(value)
       value.to_s.strip == ''
     end