test

lib/tasks/hjq_test.rake

@@ -3,14 +3,16 @@ namespace :hjq do
     desc "news order"
     task :users => :environment do
       a = []
-      news = News.where("course_id =?", 122)
-      news.each do |new|
+      # news = News.where("course_id =?", 122)
+      course.news.each do |new|
         unless new.comments.blank?
-          new = new.comments.sort! { |a,b| a.created_on <=> b.created_on}.last.commented
+          latest_comment = new.comments.sort! { |a,b| a.created_on <=> b.created_on}.last
         end
-        a << new
+        a << latest_comment
       end
-      puts a.length
+      comments = a.map(&:commented_id).detect{|a.b| a.created_on <=> b.created_on}
+     # comments = a.sort!{|a.b| a.created_on <=> b.created_on}
+      news = News.where("id in (?)", comments)
     end
   end
 end