单位批准发送消息；申请单位给系统每位管理员发送消息

app/controllers/admin_controller.rb

@@ -635,7 +635,7 @@ class AdminController < ApplicationController
   def approve_applied_schools
     applied_school = ApplyAddSchools.find params[:id]
     applied_school.update_column('status', 1) unless applied_school.nil?
-    applied_school.applied_messages << AppliedMessage.new(:user_id => applied_school.user_id, :viewed => false, :status => true)
+    AppliedMessage.create(:user_id => applied_school.user_id, :status => true, :applied_id => applied_school.id, :applied_type => "ApplyAddSchools")
     respond_to do |format|
       format.html{ redirect_to unapplied_schools_url }
     end

app/models/applied_message.rb

@@ -1,10 +1,10 @@
 class AppliedMessage < ActiveRecord::Base
   # status: 0表示未批准； status：1表示已批准； status： 2表示已拒绝
   attr_accessible :applied_id, :applied_type, :status, :user_id, :viewed
-  belongs_to :applied_message ,:polymorphic => true
+  belongs_to :applied ,:polymorphic => true
   belongs_to :apply_add_schools
   belongs_to :user
-  has_many :message_alls, :class_name => 'MessageAll',:as =>:message,  :dependent => :destroy
+  has_many :message_alls, :class_name => 'MessageAll', :as =>:message,  :dependent => :destroy
 
   validates :user_id,presence: true
   validates :applied_id,presence: true

app/models/apply_add_schools.rb

@@ -1,7 +1,7 @@
 class ApplyAddSchools < ActiveRecord::Base
   # status：0 未审批 ； 1 已批阅
   attr_accessible :address, :city, :name, :province, :remarks, :school_id, :status
-  has_many :applied_messages, :class_name =>'AppliedMessage', :as => :applied_message, :dependent => :destroy
+  has_many :applied_messages, :class_name =>'AppliedMessage', :as => :applied, :dependent => :destroy
   belongs_to :school
 
   after_create :send_massage