lib/dir_model/model/files.rb in dir_model-0.4.0 vs lib/dir_model/model/files.rb in dir_model-0.5.0

@@ -8,29 +8,30 @@
         inherited_class_hash :files
       end
 
       module ClassMethods
         # @return [Array<Symbol>] file names for the row model
-        def file_names
-          files.keys
+        def file_name
+          files.keys.first
         end
 
         # @param [Symbol] file_name name of file to find option
         # @return [Hash] options for the file_name
-        def options(file_name)
+        def options
           files[file_name]
         end
 
         # @param [Symbol] file_name name of file to find index
         # @return [Integer] index of the file_name
         def index(file_name)
-          file_names.index file_name
+          0
         end
 
         protected
 
         def file(file_name, options={})
           merge_files(file_name.to_sym => options)
+          raise ArgumentError.new("You cannot define more of one file: but you can add relations, see README") if files.keys.size > 1
         end
 
       end
     end
   end