class Contact < ActiveRecord::Base validates_length_of :name, :within => 3..20 validates_length_of :email, :within => 5..50 validates_format_of :email, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i validates_length_of :info, :maximum => 100 validate :check_unique_name, :on => :create default_scope :order => 'name ASC' belongs_to :user def self.getPageForUser(user,page,sort_field,sort_dir) if sort_field if Contact.attribute_method?(sort_field) == true order = sort_field sort_dir == 'desc' ? order += ' desc' : sort_dir end end Contact.paginate :page => page , :per_page => $defaults["contacts_per_page"], :conditions=> ['user_id = ?', user.id],:order => order end def check_unique_name if !Contact.where('upper(name) = ? and user_id = ?',name.upcase,user_id).size.zero? errors.add(:name, :not_unique) end end def export fields = [] fields << name || "" fields << email || "" fields << info || "" fields.join(';') end def self.import(user,line) fields = line.split(/;/) contact = user.contacts.build( :name => fields[0].strip, :email => fields[1].strip, :info => fields[2].strip) contact.save! end end