socialforge/app/models/contestnotification.rb

class Contestnotification < ActiveRecord::Base
  #attr_accessible :author_id, :notificationcomments_count, :contest_id, :description, :summary, :title

  include Redmine::SafeAttributes
  #Contestnotification::Notificationcomment
  belongs_to :contest
  belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
  has_many :notificationcomments, as: :notificationcommented, :dependent => :delete_all, :order => "created_at"
  # fq
  has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
  validates :title, length: {maximum: 60}, presence: true
  validates :description, presence: true
  validates :summary, length: {maximum: 255}

  acts_as_attachable :delete_permission => :manage_contestnotifications
  acts_as_searchable :columns => ['title', 'summary', "#{table_name}.description"], :include => :contest
  acts_as_event :url => Proc.new {|o| {:controller => 'contestnotifications', :action => 'show', :id => o.id}}
  acts_as_activity_provider :find_options => {:include => [:contest, :author]},
                            :author_key => :author_id
  acts_as_watchable
  after_create :add_author_as_watcher
  after_create :act_as_activity
  
  scope :visible, lambda {|*args|
    nil
    #includes(:contest).where(Contest.allowed_to_condition(args.shift || User.current, :view_contestnotifications, *args))
  }

  safe_attributes 'title', 'summary', 'description'

  def visible?(user=User.current)
    !user.nil? && user.allowed_to?(:view_contestnotifications, contest)
  end

  # Returns true if the news can be commented by user
  def notificationcommentable?(user=User.current)
    user.allowed_to?(:notificationcomment_contestnotifications, contest)
  end

  def recipients
    #contest.users.select {|user| user.notify_about?(self)}.map(&:mail)
  end

  # returns latest news for contests visible by user
  def self.latest(user = User.current, count = 5)
    visible(user).includes([:author, :contest]).order("#{Contestnotification.table_name}.created_at DESC").limit(count).all
  end

  private

  def add_author_as_watcher
    #Watcher.create(:watchable => self, :user => author)
  end
  ## fq
  def act_as_activity
    self.acts << Activity.new(:user_id => self.author_id)
  end    
   
end