lib/csv_rails/array.rb in csv_rails-0.5.1 vs lib/csv_rails/array.rb in csv_rails-0.5.2

@@ -10,20 +10,26 @@
       # ==== Options
       # * <tt>:fields</tt> - target field names
       # * <tt>:header</tt> - header
       # * <tt>:without_header</tt> - total_count
       # * <tt>:encoding</tt> - encoding
+      # * <tt>:i18n_scope</tt> - i18n scope
       def to_csv(opts={})
         fields = opts[:fields]
         header = if opts[:header]
                    opts.delete(:header)
-                 elsif (klass = first.class).respond_to?(:csv_header)
-                   klass.csv_header(fields)
+                 elsif (klass = first.class).respond_to?(:csv_fields)
+                   klass.csv_fields
                  else
-                   fields
+                   scopes = ['csv_rails']
+                   scopes << opts[:i18n_scope] if opts[:i18n_scope]
+                   fields.map{|f|
+                     defaults = scopes.map{|s| "#{s}.#{f}".to_sym }.push(f.to_s)
+                     I18n.t(defaults.shift, :default => defaults)
+                   } if fields
                  end
         csv = CSV.generate do |_csv|
-          _csv << header unless opts[:without_header]
+          _csv << header if header && !opts[:without_header]
           each do |element|
             _csv << element.to_csv_ary(fields, opts)
           end
         end
         opts[:encoding] ? csv.encode(opts[:encoding]) : csv