bigdir/app/models/bid.rb

####by fq
class Bid < ActiveRecord::Base
  #attr_accessible :author_id, :budget, :deadline, :name, :description
  
  belongs_to :author, :class_name => 'User', :foreign_key => :author_id
  has_many :biding_projects, :dependent => :destroy
  has_many :projects, :through => :biding_projects
  has_many :journals_for_messages, :as => :jour, :dependent => :destroy
  
  NAME_LENGTH_LIMIT = 60
  DESCRIPTION_LENGTH_LIMIT = 250
  
  validates_length_of :name, :maximum => NAME_LENGTH_LIMIT
  validates_length_of :description, :maximum => DESCRIPTION_LENGTH_LIMIT
  validates_presence_of :author_id, :name, :deadline
  # validates_format_of :deadline, :with => 
  validate :validate_user
  
  acts_as_watchable
  acts_as_taggable
  

  def add_jour(user, notes)
    self.journals_for_messages << JournalsForMessage.new(:user_id => user.id, :notes => notes)
  end
  
  def self.creat_bids(budget, deadline, name, description=nil)
    self.create(:author_id => User.current.id, :budget => budget,
                    :deadline => deadline, :name => name, :description => description, :commit => 0)
  end

  def update_bids(budget, deadline, name, description=nil)
    if(User.current.id == self.author_id)
      self.name = name
      self.budget = budget
      self.deadline = deadline
      self.description = description
      self.save
    end   
  end

  def delete_bids
    unless self.nil?
      if User.current.id == self.author_id
        self.destroy  
      end   
    end    
  end
  
  def set_commit(commit)
    self.update_attribute(:commit, commit) 
  end

  private
  
  def validate_user
    errors.add :author_id, :invalid if author.nil? || !author.active?
  end
end