Test Code

class Project < ActiveRecord::Base<br>  has_and_belongs_to_many :skills<br>  belongs_to :employment<br>  belongs_to :education<br>  belongs_to :publication<br>  <br>  has_attached_file :image, <br>    :styles => { :large => ">", :thumbnail => "125x125#" },
    :default_url => '/images/missing_:style.png',
    :storage => :s3,
    :s3_credentials => "#{RAILS_ROOT}/config/s3.yml",
    :path => ":image/:id/:style.:extension"
  
  accepts_nested_attributes_for :skills, :employment, :education, :publication
  
  validates_presence_of :name
  
  def related
    my_projects = []

    if self.employment
      my_projects = my_projects | self.employment.projects
    end
    if self.education
      my_projects = my_projects | self.education.projects
    end
    if self.publication
      my_projects = my_projects | self.publication.projects
    end
    if self.skills.any? and my_projects.empty?
      self.skills.each do |skill|
        my_projects = my_projects | skill.projects
      end
    end
    my_projects.uniq.reject{ |p| p == self }
  end
  
  def before_create
    if self.permalink.nil?
      self.permalink = self.name.downcase.strip.gsub(/[^A-Za-z0-9]+/, ' ').gsub(/\ +/, '-')
    end
  end
  
end