课程评论添加上拉分页

app/api/mobile/apis/comments.rb

@@ -91,6 +91,7 @@ module Mobile
         desc '课程留言列表'
         params do
           optional :token, type: String
+          optional :page,type:Integer,desc:'页数'
         end
         get ':id/course_message' do
           cs = CommentService.new

app/services/comment_service.rb

@@ -94,7 +94,7 @@ class CommentService
   def course_messages params,current_user
     @course = ::Course.find(params[:id])
     if (current_user.admin? || @course.is_public == 1 || (@course.is_public == 0 && current_user.member_of_course?(@course)))
-      @jours = @course.journals_for_messages.where('m_parent_id IS NULL').order('created_on DESC')
+      @jours = @course.journals_for_messages.where('m_parent_id IS NULL').order('created_on DESC').page(params[:page] ||= 1).per(10)
     else
       raise '403'
     end

app/services/users_service.rb

@@ -292,6 +292,7 @@ class UsersService
     jours
   end
 
+  # 所有的与我相关
   def reply_my_messages params,current_user
     jours = my_personal_messages params,current_user
     jours1 = my_course_messages params,current_user