Contents

require 'digest/md5'

class User < ActiveRecord::Base
  has_many :posts,      :order => 'created_at DESC'
  has_many :drafts,     :dependent => true
  has_many :links,      :dependent => true
  has_many :images,     :dependent => true
  has_one  :stylesheet, :dependent => true
  has_one  :face,       :dependent => true
  
  validates_presence_of     :username, :name
  validates_uniqueness_of   :username
  validates_confirmation_of :password
  
  def before_save
    self.password = password.empty? ? self.class.find(id).password : Digest::MD5.hexdigest(password)
  end
  
  class << self
    def authenticate(username, password)
      find_first(["username = ? AND password = ?", username, Digest::MD5.hexdigest(password)])
    end
    
    def top_posters(n=5)
      posters = find_by_sql("SELECT u.id FROM users u, posts p "    +
                            "WHERE u.id = p.user_id GROUP BY u.id " +
                            "ORDER BY COUNT(p.id) DESC LIMIT #{n}").flatten
      posters.map { |p| find(p) }
    end
  end
  
  def last_post
    self.posts.find_first(nil, 'created_at DESC') || self.posts.build('subject' => 'Example Post', 'rendered' => '<p>This is what a post looks like.</p>', 'created_at' => Time.now)
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
EliteJournal-1.9.400	app/models/user.rb
EliteJournal-1.9.401	app/models/user.rb
EliteJournal-1.9.403	app/models/user.rb