gistfile1.rb

#coding: UTF-8
class Article < ActiveRecord::Base
  include LikesCounter
  include Article::Associations

  mount_uploader :thumb, ThumbUploader
  attr_accessor :gallery_select

  scope :moderated, where(moderated: true)
  scope :waiting_for_moderation, where(moderated: false)
  scope :from_superadmins, Article.joins(:user).where('users.superadmin = true')
  scope :from_users, Article.joins(:user).where('users.superadmin = false')
  # scope :published, where(status: 'publish')
  scope :published, where(published: true)
  scope :not_published, where(published: false)
  scope :excluding_ids, lambda { |ids| where(['articles.id NOT IN (?)', ids]) }
  scope :excluding_categories, lambda { |category_names| joins(:category).where(["categories.name NOT IN (?)", category_names]) }
  scope :search, lambda { |search| where("title LIKE ? OR teaser LIKE ? OR content LIKE ?",
                                              "%#{search}%", "%#{search}%", "%#{search}%")}
  scope :actual_events, lambda { |limit = 3| joins(:category)
                                  .where("categories.name = ? AND event_date >= ?", 'события', Date.today)
                                  .reorder("event_date DESC").limit(limit) }

  default_scope order('created_at desc')

  acts_as_taggable

  paginates_per 8

  # before_save :unmoderate, if: :changed?

  validate :title, presence: true
  validate :check_thumb_presence
  before_save :validate_related_articles, :validate_events_attributes

  def to_param
    "#{id}-#{slug}"
  end

  def from_regular_user?
    !user.superadmin
  end

  def from_superadmin?
    user.superadmin
  end

  def gallery_select=(gallery_id)
    gallery = Gallery.find_by_id(gallery_id)
    self.gallery = gallery
  end

  def gallery_select
    [gallery.name, gallery.id] if gallery
  end

  def comments_count
    Comment.where(article_id: id).count
  end

  def category?(name)
    category && category.name == name
  end

  def xerox?
    category?('спецпроекты') && sub_category.try(:name) == 'xerox'
  end

  def opora_rossii?
    category?('спецпроекты') && sub_category.try(:name) == 'opora-rossii'
  end


  private

  def check_thumb_presence
    if new_record? or thumb_changed?
      errors.add(:thumb, 'Пожалуйста, выберите картинку для материала') unless thumb.present?
    end
  end

  def validate_related_articles
    if related_articles.count > 3
      errors.add(:related_articles, 'Должно быть 3 или меньше сопутсвующих статей')
    end
  end

  def validate_events_attributes
    event_attributes = [:event_date, :event_cost, :event_address]
    if category.name == 'события'
      event_attributes.each do |attr|
        value = read_attribute attr
        errors.add(attr, 'Пожалуйста, заполните поле') if value.blank?
      end
    end
  end

  # def unmoderate
  #   unless self.changes.include?('moderated')
  #     logger.info '===== Unmoderating. Admin did not changed moderated value ======='
  #     self.moderated = false
  #     self.approved_at = nil
  #   end
  # end

end