数据迁移

db/migrate/20160304200639_update_contributor.rb

@@ -1,4 +1,4 @@
-class UpdateContributorForCourse < ActiveRecord::Migration
+class UpdateContributor < ActiveRecord::Migration
   def up
     Course.all.each do |course|
       if course.course_activities.count > 1
@@ -8,16 +8,16 @@ class UpdateContributorForCourse < ActiveRecord::Migration
           puts s.user_id
           # board_count = CourseActivity.where("user_id =? and course_id =? and course_act_type =?",s.student_id, course.id, "Message").count * 2
           # 发帖数
-          board_count = Message.find_by_sql("select DISTINCT me.* from messages me, boards b where b.id = me.board_id and b.course_id = #{course.id} and b.project_id = '-1' and me.author_id = #{s.user_id} and me.parent_id is null;").count * 2
+          board_count = Message.find_by_sql("select DISTINCT me.* from messages me, boards b where b.id = me.board_id and b.course_id = #{course.id} and b.project_id = '-1' and me.author_id = #{s.user_id} and me.parent_id is null;").count
           # 回帖数
           message_reply_count = Message.find_by_sql("select DISTINCT me.* from messages me, boards b where b.id = me.board_id and b.course_id = #{course.id} and b.project_id = '-1' and me.author_id = #{s.user_id} and me.parent_id is not null").count * 1
           # 新闻回复
           common_reply_count = Comment.find_by_sql("select cm.* from comments cm, news n where cm.author_id = #{s.user_id} and n.course_id = #{course.id} and cm.commented_id = n.id and cm.commented_type ='News'").count * 1
           # 通知
-          common_count = New.find_by_sql("select n.* from news n where n.author_id = #{s.user_id} and n.course_id = #{course.id} ").count * 1
+          common_count = News.find_by_sql("select n.* from news n where n.author_id = #{s.user_id} and n.course_id = #{course.id} ").count * 1
           # attachment_count = CourseActivity.where("user_id =? and course_id =? and course_act_type =?", s.student_id, course.id, "Attachment").count * 5
           # 附件数
-          attachment_count = Attachment.find_by_sql("SELECT * FROM `attachments` where container_id = #{course.id} and author_id = #{s.user_id} and container_type ='Course'").count * 5
+          attachment_count = Attachment.find_by_sql("SELECT * FROM `attachments` where container_id = #{course.id} and author_id = #{s.user_id} and container_type ='Course'").count
           # 课程留言数
           journal_count = JournalsForMessage.where("user_id =? and jour_id =? and jour_type =? ", s.user_id, course.id, "Course").count * 1
           # 作业留言