base.rb in listings-0.1.15

- old
+ new

@@ -175,10 +175,16 @@
 
     def format
       (params[:format] || :html).to_sym
     end
 
+    def export_each
+      self.items.each do |item|
+        yield item
+      end
+    end
+
     def send_csv(controller)
       csv_filename = self.export_filename(:csv)
 
       controller.headers["X-Accel-Buffering"] = "no"
       controller.headers["Cache-Control"] = "no-cache"
@@ -188,17 +194,22 @@
       controller.headers.delete("Content-Length")
 
       controller.response_body = Enumerator.new do |lines|
         lines << self.columns.map { |c| c.human_name }.to_csv
 
-        self.items.find_each do |item|
+        self.export_each do |item|
           row = []
           self.columns.each do |col|
             row << col.value_for(item)
           end
           lines << row.to_csv
         end
       end
+    end
+
+    def send_xls(controller)
+      controller.headers["Content-Disposition"] = %(attachment; filename="#{self.export_filename(:xls)}")
+      controller.render 'listings/export'
     end
 
     def method_missing(m, *args, &block)
       view_context.send(m, *args, &block)
     end