lib/redis-model-extension.rb in redis-model-extension-0.3.4 vs lib/redis-model-extension.rb in redis-model-extension-0.3.5

@@ -213,10 +213,11 @@
       #if old_args is specified, don't usi it in args hash
       if args[:old_args] && args[:old_args].size > 0 
         self.old_args = args.delete(:old_args).symbolize_keys
       end
       self.args = clear_args(args)
+
       return self
     end
     
     #Fixing some problems with saving nil into redis and clearing input arguments
     def clear_args(args)
@@ -234,21 +235,26 @@
       out_args
     end
     
     #validates required attributes
     def valid?
-      @error = []
+      @error ||= []
       self.class.conf[:required].each do |key|
         if !self.args.has_key?(key) || self.args[key].nil?
           @error.push("Required #{key}")
         end
       end
       @error.size == 0
     end
+
+    #return error from validation
+    def error
+      @error ||= []
+    end
   
     #return error from validation
     def errors 
-      @errors
+      @error ||= []
     end
   
     #take all arguments and send them out
     def to_arg
       self.args.inject({}) do |output, item|
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