ADD competition some eelated featrue

app/controllers/messages_controller.rb

@@ -43,9 +43,15 @@ class MessagesController < ApplicationController
     @page_size = params[:page_size] || 10
     @current_user = current_user || nil
 
-    @messages = @message.children.preload_messages
+    @messages = @message.children.preload_messages.includes(:message_detail, :praise_treads)
     @messages = @messages.ordered(sort: 1) unless @message.parent_id.nil?
 
+    @user_course_identity = current_user.course_identity(@message.board.course)
+    case @user_course_identity
+    when 5 || 6 || 7
+      @messages = @messages.visible
+    end
+
     @messages = @messages.page(@page).per(@page_size)
   end
 

app/models/message.rb

@@ -18,7 +18,7 @@ class Message < ApplicationRecord
 
   scope :root_nodes,       -> { where("parent_id IS NULL") }   #判断该信息是帖子还是回复。null为发布的帖子
   scope :reply_nodes,      -> { where("parent_id IS NOT NULL") }
-  scope :visible,          -> { where(is_hidden: false)}
+  scope :visible,          -> { where(is_hidden: false) }
   scope :by_user,          ->(user) { visible if user.nil? || !user.admin? }
   scope :preload_messages, -> { includes(:author, :message_detail) }
   scope :short,            -> { select(:id, :subject, :created_on, :replies_count, :visits, :sticky, :praises_count) }

app/views/messages/reply_list.json.jbuilder

@@ -1,6 +1,6 @@
 json.partial! "commons/success"
 json.data do
-  json.user_course_identity @current_user.course_identity(@message.board.course)
+  json.user_course_identity @user_course_identity
   json.id @message.id
   json.total_count @messages.total_count
   json.total_replies_count @message.total_replies_count