1、完成消息点击记后图标不显示红点的功能。

2、首次登陆以“最后登录时间”为准，后面以点击时间为准

app/controllers/users_controller.rb

@@ -112,7 +112,7 @@ class UsersController < ApplicationController
       message_new_time.onclick_time = Time.now
       message_new_time.save
     else
-      message_new_time = OnclickTime.where("user_id =?", User.current)
+      message_new_time = OnclickTime.where("user_id =?", User.current).first
       message_new_time.update_attributes(:onclick_time => Time.now)
     end
     # 当前用户查看消息，则设置消息为已读

app/models/onclick_time.rb

@@ -1,3 +1,5 @@
 class OnclickTime < ActiveRecord::Base
   attr_accessible :onclick_time, :user_id
+
+  belongs_to :user
 end

app/models/user.rb

@@ -132,6 +132,7 @@ class User < Principal
   has_many :course_messages
   has_many :memo_messages
   has_many :user_feedback_messages
+  has_one :onclick_time
 
 # 虚拟转换
   has_many :new_jours, :as => :jour, :class_name => 'JournalsForMessage', :conditions => "status=1"
@@ -209,7 +210,7 @@ class User < Principal
   before_save   :update_hashed_password
   before_destroy :remove_references_before_destroy
   # added by fq
-  after_create :act_as_activity
+  after_create :act_as_activity, :add_onclick_time
   # end
 
   scope :in_group, lambda {|group|
@@ -257,10 +258,16 @@ class User < Principal
 
   # 新消息统计
   def count_new_message
-    course_count = CourseMessage.where("user_id =? and viewed =?", User.current.id, 0).count
+    if OnclickTime.where("user_id =?", User.current).first.nil?
-    forge_count = ForgeMessage.where("user_id =? and viewed =?", User.current.id, 0).count
+      message_new_time = OnclickTime.new
-    user_feedback_count = UserFeedbackMessage.where("user_id =? and viewed =?", User.current.id, 0).count
+      message_new_time.user_id = User.current.id
-    user_memo_count = MemoMessage.where("user_id =? and viewed =?", User.current.id, 0).count
+      message_new_time.onclick_time = User.current.last_login_on.nil? ? Time.now : User.current.last_login_on
+      message_new_time.save
+    end
+    course_count = CourseMessage.where("user_id =? and viewed =? and created_at >?", User.current.id, 0, User.current.onclick_time.onclick_time).count
+    forge_count = ForgeMessage.where("user_id =? and viewed =? and created_at >?", User.current.id, 0, User.current.onclick_time.onclick_time).count
+    user_feedback_count = UserFeedbackMessage.where("user_id =? and viewed =? and created_at >?", User.current.id, 0, User.current.onclick_time.onclick_time).count
+    user_memo_count = MemoMessage.where("user_id =? and viewed =? and created_at >?", User.current.id, 0, User.current.onclick_time.onclick_time).count
     messages_count = course_count + forge_count + user_feedback_count + user_memo_count
   end
 
@@ -994,6 +1001,10 @@ class User < Principal
     self.acts << Activity.new(:user_id => self.id)
   end
 
+  def add_onclick_time
+    self.onclick_time << OnclickTime.new(:user_id => self.id, :onclick_time => self.created_on)
+  end
+
   # Removes references that are not handled by associations
   # Things that are not deleted are reassociated with the anonymous user
   def remove_references_before_destroy