级联删除资源

app/models/forum.rb

@@ -1,5 +1,6 @@
 class Forum < ActiveRecord::Base
   include Redmine::SafeAttributes
+  include ApplicationHelper
   has_many_kindeditor_assets :assets, :dependent => :destroy
   has_many :topics, :class_name => 'Memo', :conditions => "#{Memo.table_name}.parent_id IS NULL", :order => "#{Memo.table_name}.created_at DESC", :dependent => :destroy
   has_many :memos, :dependent => :destroy, conditions: "parent_id IS NULL"
@@ -16,7 +17,7 @@ class Forum < ActiveRecord::Base
   validates_length_of :name, maximum: 50
   #validates_length_of :description, maximum: 255
   validates :name, :uniqueness => true
-  
+  after_destroy :delete_kindeditor_assets
   acts_as_taggable
   scope :by_join_date, order("created_at DESC")
   #after_create :send_email
@@ -48,5 +49,11 @@ class Forum < ActiveRecord::Base
      ["id = ?", forum_id])
   end
 
+  # Time 2015-03-26 15:50:54
+  # Author lizanle
+  # Description 删除论坛后删除对应的资源
+  def delete_kindeditor_assets
+    delete_kindeditor_assets_from_disk self.id,2
+  end
 
 end

app/models/memo.rb

@@ -1,7 +1,9 @@
 class Memo < ActiveRecord::Base
 	include Redmine::SafeAttributes
   include UserScoreHelper
+  include ApplicationHelper
 	belongs_to :forum
+  has_many_kindeditor_assets :assets, :dependent => :destroy
 	belongs_to :author, :class_name => "User", :foreign_key => 'author_id'
 	validates_presence_of :author_id, :forum_id, :subject,:content
 	# 若是主题帖，则内容可以是空
@@ -44,7 +46,7 @@ class Memo < ActiveRecord::Base
 
 	after_create :add_author_as_watcher, :reset_counters!, :sendmail
 	# after_update :update_memos_forum
-	after_destroy :reset_counters!#,:down_user_score  -- 公共区发帖暂不计入得分
+	after_destroy :reset_counters!,:delete_kindeditor_assets#,:down_user_score  -- 公共区发帖暂不计入得分
 	# after_create :send_notification
 	# after_save :plusParentAndForum
 	# after_destroy :minusParentAndForum
@@ -170,4 +172,10 @@ class Memo < ActiveRecord::Base
     update_replay_for_memo(User.current,1)
   end
 
+  # Time 2015-03-26 15:20:24
+  # Author lizanle
+  # Description 从硬盘上删除资源
+  def delete_kindeditor_assets
+    delete_kindeditor_assets_from_disk self.id,1
+  end
 end