# == Schema Information
#
# Table name: semesters
#
#  id         :integer          not null, primary key
#  name       :string(255)
#  nummer     :integer
#  studium_id :integer
#  ssws       :string(255)
#  created_at :datetime         not null
#  updated_at :datetime         not null
#

class Semester < ActiveRecord::Base
  attr_accessible :nummer, :ssws, :lva_ids
  has_and_belongs_to_many :lvas
  belongs_to :studium, :foreign_key => "studium_id"
  validates :nummer, :presence => true

  def name
    if self.nummer == 0
      return I18n.t("ohnezuordnung") + " (" + self.studium.name + ")"
    else
      return self.nummer.to_s + "."+I18n.t("semester.semester")+", " + self.studium.name
    end
  end
  def name_kurz
    if self.nummer == 0
      return I18n.t("ohnezuordnung") + " (" + self.studium.abkuerzung + ")"
    else
      return self.nummer.to_s + ". " + self.studium.abkuerzung
    end
  end  
end