Ruby on rails 如何从控制器操作中调用另一个控制器操作？

因此我有一个

节点

，它可以是不同的类型（一个

注释

&

视频

）

我想做的是，每当我删除

节点

，它也应该删除它指向的底层对象-例如

视频

以下是我的模型（为简洁起见，必要时将其截断）：

Node.rb

# == Schema Information
#
# Table name: nodes
#
#  id             :integer          not null, primary key
#  name           :string(255)
#  family_tree_id :integer
#  user_id        :integer
#  media_id       :integer
#  media_type     :string(255)
#  created_at     :datetime
#  updated_at     :datetime
#  circa          :datetime
#  is_comment     :boolean
#

class Node < ActiveRecord::Base
  belongs_to :family_tree
  belongs_to :user
  belongs_to :media, polymorphic: true
  has_many :comments, dependent: :destroy
  has_many :node_comments, dependent: :destroy

  def is_video?
    self.media_type == 'Video'
  end

  def comment_count
    self.node_comments.count + self.comments.count
  end
end

# == Schema Information
#
# Table name: comments
#
#  id         :integer          not null, primary key
#  user_id    :integer
#  message    :text
#  node_id    :integer
#  created_at :datetime
#  updated_at :datetime
#

class Comment < ActiveRecord::Base
  validates :message, presence: true

  belongs_to :user
  belongs_to :node

  def self.search(query)
    where("title like ? OR description like ?", "%#{query}%", "%#{query}%")
  end
end

Comment.rb

# == Schema Information
#
# Table name: nodes
#
#  id             :integer          not null, primary key
#  name           :string(255)
#  family_tree_id :integer
#  user_id        :integer
#  media_id       :integer
#  media_type     :string(255)
#  created_at     :datetime
#  updated_at     :datetime
#  circa          :datetime
#  is_comment     :boolean
#

class Node < ActiveRecord::Base
  belongs_to :family_tree
  belongs_to :user
  belongs_to :media, polymorphic: true
  has_many :comments, dependent: :destroy
  has_many :node_comments, dependent: :destroy

  def is_video?
    self.media_type == 'Video'
  end

  def comment_count
    self.node_comments.count + self.comments.count
  end
end

# == Schema Information
#
# Table name: comments
#
#  id         :integer          not null, primary key
#  user_id    :integer
#  message    :text
#  node_id    :integer
#  created_at :datetime
#  updated_at :datetime
#

class Comment < ActiveRecord::Base
  validates :message, presence: true

  belongs_to :user
  belongs_to :node

  def self.search(query)
    where("title like ? OR description like ?", "%#{query}%", "%#{query}%")
  end
end

VideoController#销毁

  def destroy
    @node.destroy
    respond_to do |format|
      format.html { redirect_to root_path }
      format.json { head :no_content }
    end
  end

  def destroy
    authorize! :read, @family_tree
    @video = Video.find(params[:id])
    if Video.delete_video(@video)
      flash[:notice] = "video successfully deleted"
    else
      flash[:error] = "video unsuccessfully deleted"
    end
    redirect_to dashboard_index_path
  end

  def destroy
    @comment.destroy
    respond_to do |format|
      format.html { redirect_to comments_url }
      format.json { head :no_content }
    end
  end

CommentController#销毁

  def destroy
    @node.destroy
    respond_to do |format|
      format.html { redirect_to root_path }
      format.json { head :no_content }
    end
  end

  def destroy
    authorize! :read, @family_tree
    @video = Video.find(params[:id])
    if Video.delete_video(@video)
      flash[:notice] = "video successfully deleted"
    else
      flash[:error] = "video unsuccessfully deleted"
    end
    redirect_to dashboard_index_path
  end

  def destroy
    @comment.destroy
    respond_to do |format|
      format.html { redirect_to comments_url }
      format.json { head :no_content }
    end
  end

所以我想做的就是，每当有一个节点被删除时，我想让它删除相关的视频和评论

我尝试将其添加到我的

节点.rb

模型中，但当我点击delete时，它返回了一个“堆栈级别太深错误”：

---

我想你想把

dependent:：destroy

从

在video.rb中有一个节点：node，as:：media，：dependent=>：destroy。那么，在node.rb中使用这一行时，不应该得到无限递归：
属于：媒体，多态：真实，依赖：：销毁
Hrmm…有趣。我仍然想弄清楚如何删除相关的对象。想法？我很高兴这有帮助。
  def destroy
    @node.destroy
    respond_to do |format|
      format.html { redirect_to root_path }
      format.json { head :no_content }
    end
  end

  def destroy
    authorize! :read, @family_tree
    @video = Video.find(params[:id])
    if Video.delete_video(@video)
      flash[:notice] = "video successfully deleted"
    else
      flash[:error] = "video unsuccessfully deleted"
    end
    redirect_to dashboard_index_path
  end

  def destroy
    @comment.destroy
    respond_to do |format|
      format.html { redirect_to comments_url }
      format.json { head :no_content }
    end
  end