translatable.rb in sequel_translatable-0.2.0

- old
+ new

@@ -11,16 +11,16 @@
             end
             def #{attribute}
               send "#{attribute}_\#{base_locale}"
             end
             def #{attribute}_hash
-              @#{attribute}_columns ||= columns.collect do |column|
+              @#{attribute}_locales ||= columns.collect do |column|
                 $1 if column=~/\\A#{Regexp.escape attribute}_(.+)\\z/
               end.compact.sort.collect(&:to_sym)
               hash = {}
-              @#{attribute}_columns.each do |column|
-                hash[column] = send "#{attribute}_\#{column}"
+              @#{attribute}_locales.each do |locale|
+                hash[locale] = send "#{attribute}_\#{locale}"
               end
               hash
             end
           EOS
         end
@@ -28,13 +28,19 @@
       module ClassMethods
       end
       module DatasetMethods
       end
       module InstanceMethods
+        def validates_at_least_one_language(attribute)
+          hash = send "#{attribute}_hash"
+          hash.keys.each do |locale|
+            errors.add :"#{attribute}_#{locale}", "at least one language is required"
+          end if hash.values.all?{|value| value.to_s.strip.empty?}
+        end
       private
         def base_locale
           I18n.locale.to_s[0..1]
         end
       end
     end
   end
-end
\ No newline at end of file
+end