rails model post

post.rb

class Post < ActiveRecord::Base
  resourcify

  belongs_to :user
  belongs_to :journal, :polymorphic => true

  has_many :images, :class_name => "PostImage", :as => :imageable, :dependent => :destroy
  has_one :illustration, :class_name => "PostIllustration", :as => :imageable, :dependent => :destroy
  accepts_nested_attributes_for :illustration
  accepts_nested_attributes_for :images,\
  :reject_if => proc {|attributes| attributes['image'].blank?\
  && attributes['image_cache'].blank?}, :allow_destroy => true

  acts_as_taggable
  acts_as_votable

  has_many :videos, :class_name => "MediaContent", :as => :multimedia, :conditions => ["media_contents.video = ?", true]

  acts_as_commentable
  DEPTH = 1

  has_many :likes, :as => :likeable
  has_many :complaints, :as => :pretension, :dependent => :destroy
  has_many :favorites, :as => :favoriteable


  attr_accessible :body, :title, :illustration_attributes, :images_attributes, :tag_list, :status
  attr_accessible :body, :title, :illustration_attributes, :images_attributes, :tag_list, :status, :as => :admin

  validates :user, :journal, :presence => true
  validates :title, :body, :illustration, presence: true, on: :update

  default_scope order("#{table_name}.created_at DESC")

  scope :not_recommended, where(:status => 0)
  scope :recommended, where(:status => 1)
  scope :accepted, where(:status => 2)



  slice :body, :as => :preview, :slice => {:maximum => 250}, :resize => {:width => 300}

  def owner?(user)
    self.user_id == user.id
  end

  def root_object
    journal.try(:root_object)
  end

  def tags_string
    tags.map(&:text)*","
  end

  def accepted?
    status == 2
  end

  def recommended?
    status == 1
  end

  def accept!
    self.status = 2
    save
  end

  def unaccept!
    self.status = 0
    save
  end

  def update_attributes_with_video (params, urls)
    urls||=[]
    if update_attributes(params)
      urls.reject(&:empty?).each do |url|
        video = self.videos.create(content: url, title: '"'+ params[:title]+'"'+"- video",video: true)
        return false unless video.errors.empty?
      end
      return true
    else
      return false
    end
  end
end