# encoding: utf-8
=begin
  identity字段含义
  0 教师教授
  1 学生
  2 专业人士
  #3 开发者

  gender 0：男   1：女
=end
class UserExtensions < ActiveRecord::Base
  validate :school, presence: true

  belongs_to :user
  belongs_to :school, :class_name => 'School', :foreign_key => :school_id
  belongs_to :department
  attr_accessible :user_id,:birthday,:brief_introduction,:gender,:location, :location_city, :occupation,:work_experience,:zip_code,:identity, :technical_title,:student_id,:school_id,:department_id
  validates_length_of :description, :maximum => 255
  validates_length_of :brief_introduction, :maximum => 255
  TEACHER = 0
  STUDENT = 1
  ENTERPRISE = 2
  DEVELOPER = 3
  #this method was used to update the table user_extensions
  def update_user_extensions(birthday=nil,brief_introduction=nil,
                              gender=nil,location=nil,occupation=nil,work_experience=nil,zip_code=nil)
     self.birthday = birthday
     self.brief_introduction = brief_introduction
     self.gender = gender
     self.location = location
     self.occupation = occupation
     self.work_experience = work_experience
     self.zip_code = zip_code
     self.save
  end
  
  def get_brief_introduction
     return self.brief_introduction
  end

  def job_title
    self.identity == 1 ? "" :self.try(:technical_title)
  end

# added by meng
  def show_identity
    if User.current.language == 'zh'||User.current.language == ''
      case self.identity
        when 0
          user_identity = l(:label_account_identity_teacher)
        when 1
          user_identity = l(:label_account_identity_student)
        when 2
          user_identity = l(:label_account_identity_professional)
        when 3
          user_identity = l(:label_account_identity_professional)
        else
          user_identity = ''
      end
    else
      case self.identity
        when 0
          user_identity = l(:label_account_identity_teacher)
        when 1
          user_identity = l(:label_account_identity_student)
        when 2
          user_identity = l(:label_account_identity_professional)
        when 3
          user_identity = l(:label_account_identity_professional)
        else
          user_identity = ''
       end
    end
    return user_identity
  end
# end


  def self.introduction(user, message)
    unless user.user_extensions.nil?
       info = user.user_extensions
       info.brief_introduction = message
       info.save
    else
       info = UserExtensions.new
       info.user_id = user.id
       info.brief_introduction = message
       info.save
    end
  end
  
  def user_technical_title
    if self.identity == 1
      title = self.student_id
    elsif self.technical_title
      title = self.technical_title
    else
      title = ''
    end
    title
  end
  
end