# encoding: utf-8
# Redmine - project management software
# Copyright (C) 2006-2013  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require "digest/sha1"
require 'elasticsearch/model'
class User < Principal
  TEACHER = 0
  STUDENT = 1
  ENTERPRISE = 2
  DEVELOPER = 3
  include Redmine::SafeAttributes
  seems_rateable_rater
  #elasticsearch
  include Elasticsearch::Model
  #elasticsearch kaminari init
  Kaminari::Hooks.init
  Elasticsearch::Model::Response::Response.__send__ :include, Elasticsearch::Model::Response::Pagination::Kaminari
  settings index: { number_of_shards: 5 } do
    mappings dynamic: 'false' do
      indexes :login, analyzer: 'smartcn',index_options: 'offsets'
      indexes :firstname, analyzer: 'smartcn',index_options: 'offsets'
      indexes :lastname, analyzer: 'smartcn',index_options: 'offsets'
      indexes :last_login_on,  index:"not_analyzed",type: 'date'
    end
  end

  # Different ways of displaying/sorting users
  USER_FORMATS = {
    :firstname_lastname => {
        :string => '#{firstname}#{lastname}',
        :order => %w(firstname lastname id),
        :setting_order => 1
      },
    :firstname_lastinitial => {
        :string => '#{firstname}#{lastname.to_s.chars.first}.',
        :order => %w(firstname lastname id),
        :setting_order => 2
      },
    :firstname => {
        :string => '#{firstname}',
        :order => %w(firstname id),
        :setting_order => 3
      },
    :lastname_firstname => {
        :string => '#{lastname}#{firstname}',
        :order => %w(lastname firstname id),
        :setting_order => 4
      },
    :lastname_coma_firstname => {
        :string => '#{lastname}, #{firstname}',
        :order => %w(lastname firstname id),
        :setting_order => 5
      },
    :lastname => {
        :string => '#{lastname}',
        :order => %w(lastname id),
        :setting_order => 6
      },
    :username => {
        :string => '#{login}',
        :order => %w(login id),
        :setting_order => 7
      },
  }


  #每日一报、一事一报、不报
  # MAIL_NOTIFICATION_OPTIONS = [
    #['week', :label_user_mail_option_week],
    # ['day', :label_user_mail_option_day],
  #  ['all', :label_user_mail_option_all],
  #  ['none', :label_user_mail_option_none]
  # ]
  # has_many :users_authenticationses
  # has_many :authentications, :through => :users_authenticationses
  has_many :department_members, :dependent => :destroy #部门管理员
  has_and_belongs_to_many :authentications, :order => "#{Authentication.table_name}.level"
  has_many :competition_scores, :dependent => :destroy  #竞赛得分
  has_many :user_system_notices, :dependent => :destroy  #系统升级消息
  has_many :homework_users, :dependent => :destroy
  has_many :homework_attaches, :through => :homework_users
  has_many :homework_evaluations, :dependent => :destroy
  has_many :syllabuses, :dependent => :destroy
  has_many :syllabus_members, :dependent => :destroy

  has_many :course_members, :dependent => :destroy
  #问卷相关关关系
  has_many :poll_users, :dependent => :destroy
  has_many :poll_votes, :dependent => :destroy
  has_many :poll, :dependent => :destroy #用户创建的问卷
  has_many :answers, :source => :poll, :through => :poll_users, :dependent => :destroy #用户已经完成问答的问卷
  # end
  #在线测验相关关系
  has_many :exercise_users, :dependent => :destroy  #答卷中间表
  has_many :exercise_answer, :dependent => :destroy  #针对每个题目学生的答案
  has_many :exercise_shixun_answers, :dependent => :destroy  #针对每个实训题目学生的答案
  has_many :exercises, :dependent => :destroy  #创建的试卷
  #end
  #作业相关关系
  has_many :homework_commons, :dependent => :destroy
  has_many :student_works, :dependent => :destroy
  has_many :student_works_evaluation_distributions, :dependent => :destroy
  has_many :student_works_scores, :dependent => :destroy
  has_many :student_work_projects, :dependent => :destroy
  has_many :student_works_scores_appeals, :dependent => :destroy
  has_many :apply_homeworks, :dependent => :destroy
  has_many :apply_resources, :dependent => :destroy
  #end
  # 毕设选题相关关系
  has_many :graduation_topics, :dependent => :destroy
  has_many :student_graduation_topics, :dependent => :destroy
  # end
  #题库
  has_many :homework_banks, :dependent => :destroy
  has_many :exercise_banks, :dependent => :destroy
  has_many :question_banks, :dependent => :destroy
  #竞赛
  has_many :contests, :dependent => :destroy
  has_many :works, :dependent => :destroy
  has_many :contestant_works, :dependent => :destroy
  has_many :contestant_work_evaluation_distributions, :dependent => :destroy
  has_many :contestant_work_scores, :dependent => :destroy
  has_many :contestant_work_projects, :dependent => :destroy

  has_many :shixuns, :through => :shixun_members
  has_many :shixun_members, :dependent => :destroy
  has_many :subjects, :through => :subject_members
  has_many :subject_members, :dependent => :destroy
  has_many :challenges, :dependent => :destroy
  has_many :games, :dependent => :destroy
  has_many :myshixuns, :dependent => :destroy

  has_and_belongs_to_many :groups, :after_add => Proc.new {|user, group| group.user_added(user)},
                                   :after_remove => Proc.new {|user, group| group.user_removed(user)}
  has_many :changesets, :dependent => :nullify
  has_one :preference, :dependent => :destroy, :class_name => 'UserPreference'
  has_one :rss_token, :class_name => 'Token', :conditions => "action='feeds'"
  has_one :blog,  :class_name => 'Blog', :foreign_key => "author_id"
  has_many :org_document_comments, :dependent =>:destroy, :foreign_key => "creator_id"
  has_one :api_token, :class_name => 'Token', :conditions => "action='api'"
  belongs_to :auth_source
  has_many :org_members
  has_many :versions, :dependent => :destroy
  has_many :organizations, :through => :org_members
  has_many :user_day_certifications, :dependent => :destroy
  # belongs_to :ucourse, :class_name => 'Course', :foreign_key => :id  #huang
## added by xianbo for delete 
  # has_many :biding_projects, :dependent => :destroy
  belongs_to :softapplication, :foreign_key => 'id', :dependent => :destroy
  belongs_to :partner
##ended by xianbo

#####fq
  has_many :jours, :class_name => 'JournalsForMessage', :dependent => :destroy
  has_many :journals_messages, :class_name => 'JournalsForMessage', :foreign_key => "user_id", :dependent => :destroy
  # has_many :bids, :foreign_key => 'author_id', :dependent => :destroy
  has_many :softapplications, :foreign_key => 'user_id', :dependent => :destroy
  has_many :journals_for_messages, :as => :jour, :dependent => :destroy
  has_many :journal_replies, :dependent => :destroy
  has_many :activities, :dependent => :destroy
  has_many :students_for_courses, :dependent => :destroy
  has_many :contestant_for_contests, :dependent => :destroy
  #has_many :courses, :through => :students_for_courses, :source => :project
  has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
  has_many :principal_acts, :class_name => 'PrincipalActivity',:as =>:principal_act ,:dependent => :destroy
  has_many :file_commit, :class_name => 'Attachment', :foreign_key => 'author_id', :conditions => "container_type = 'Project' or container_type = 'Version'"
  has_many :course_attachments , :class_name => 'Attachment', :foreign_key => 'author_id', :conditions => "container_type = 'Course'"
  has_many :student_work_attachments , :class_name => 'Attachment', :foreign_key => 'author_id', :conditions => "container_type = 'StudentWork'"
####
# added by bai
  has_many :news, :foreign_key => 'author_id'
  has_many :comments, :foreign_key => 'author_id'
  has_many :wiki_contents, :foreign_key => 'author_id'
  has_many :journals, :dependent => :destroy
  has_many :messages, :foreign_key => 'author_id'
  has_one :user_score, :dependent => :destroy
  has_many :documents # 项目中关联的文档再次与人关联
# 关联消息表
  has_many :forge_messages, :dependent => :destroy
  has_many :course_messages, :dependent => :destroy
  has_many :memo_messages, :dependent => :destroy
  has_many :user_feedback_messages, :dependent => :destroy
  has_one :onclick_time, :dependent => :destroy
  has_many :system_messages, :dependent => :destroy
  has_many :at_messages, :dependent => :destroy
  has_many :tidings, :dependent => :destroy

  # 个人主页学习隐藏的模块
  has_many :user_hidden_modules, :dependent => :destroy
# 虚拟转换
  has_many :new_jours, :as => :jour, :class_name => 'JournalsForMessage', :conditions => "status=1"
  has_many :issue_assigns, :class_name => 'ForgeMessage', :conditions => 'viewed=0 and forge_message_type="Issue"'
  has_many :status_updates, :class_name => 'ForgeMessage', :conditions => 'viewed=0 and forge_message_type="Journal"'
  # 邮件邀请状态
  has_many :invite_lists,  :dependent => :destroy
  # end
  # 课程贡献榜
  has_many :course_contributor_scores, :dependent => :destroy

  has_many :course_homework_statisticss, :dependent => :destroy

######added by nie
  has_many :project_infos, :dependent => :destroy
  has_one :user_status, :dependent => :destroy
  #####
  has_many :shares ,:dependent => :destroy

  has_many :grades, :dependent => :destroy
  has_many :experiences, :dependent => :destroy

  ###
  has_many :apply_actions, :dependent => :destroy
  has_many :apply_user_authentications, :dependent => :destroy
  has_one :real_name_authentication_apply, conditions: 'auth_type = 1 AND status = 0', class_name: 'ApplyUserAuthentication'
  has_one :professional_authentication_apply, conditions: 'auth_type = 2 AND status = 0', class_name: 'ApplyUserAuthentication'

  has_one :user_wechat

  has_one :sso
  has_many :apply_user_authentication, :dependent => :destroy

  # add by zjc
  has_one :level, :class_name => 'UserLevels', :dependent => :destroy
  has_many :memos , :foreign_key => 'author_id'

  # add by cxt
  # 用户的搜索数据
  #has_many :user_searches, :dependent => :destroy
  # 新版私信
  has_many :private_messages, :dependent => :destroy
  # 工程认证
  has_many :ec_school_users
  has_many :schools, :through => :ec_school_users, :dependent => :destroy, :as => :ec_schools

  has_many :ec_major_schools, :through => :ec_major_school_users
  has_many :ec_major_school_users, :dependent => :destroy

  has_many :ec_course_users

  has_many :libraries, dependent: :destroy

  #####
  scope :logged, lambda { where("#{User.table_name}.status <> #{STATUS_ANONYMOUS}") }
  scope :status, lambda {|arg| where(arg.blank? ? nil : {:status => arg.to_i}) }
  scope :visible, lambda {|*args|
    nil
  }
  acts_as_attachable :view_permission => :view_files,
                     :delete_permission => :manage_files
  acts_as_customizable
  ############################added by william
  acts_as_taggable 
  scope :by_join_date, order("created_on DESC")
  #############################  added by liuping  关注
  acts_as_watchable 

  has_one :user_extensions,:dependent => :destroy
  has_one :homepage, :dependent => :destroy
  has_many :article_homepages, :dependent => :destroy
  has_many :competition_lists, :dependent => :destroy

  has_one :user_source

  # 众包
  has_many :project_packages, foreign_key: :creator_id, dependent: :destroy
  has_many :bidding_users, dependent: :destroy
  has_many :bidding_project_packages, through: :bidding_users, source: :project_package

  ## end

  # default_scope -> { includes(:user_extensions, :user_score) }
  scope :teacher, -> {
    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::TEACHER)
  }
  scope :student, -> {
    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::STUDENT)
  }
  scope :developer, -> {
    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::DEVELOPER)
  }
  scope :enterprise, -> {
    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::ENTERPRISE)
  }

  attr_accessor :password, :password_confirmation
  attr_accessor :last_before_login_on
  # Prevents unauthorized assignments
  attr_protected :login, :admin, :password, :password_confirmation, :hashed_password

  LOGIN_LENGTH_LIMIT = 30
  MAIL_LENGTH_LIMIT = 60

  #validates_presence_of :login,  :mail, :if => Proc.new { |user| !user.is_a?(AnonymousUser) }
  validates_presence_of :login, :if => Proc.new { |user| !user.is_a?(AnonymousUser) }
  validates_uniqueness_of :login, :if => Proc.new { |user| user.login_changed? && user.login.present? }, :case_sensitive => false
  validates_uniqueness_of :mail, :if => Proc.new { |user| user.mail_changed? && user.mail.present? }, :case_sensitive => false
  validates_uniqueness_of :phone, :if => Proc.new { |user| user.phone_changed? && user.phone.present? }, :case_sensitive => false
  # Login must contain letters, numbers, underscores only
  #validates_format_of :login, :with => /\A[a-z0-9_\-]*\z/i
  validates_length_of :login, :maximum => LOGIN_LENGTH_LIMIT
  validates_length_of :firstname, :maximum => 30
  validates_length_of :lastname, :maximum => 30
  validates_format_of :mail, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i, :allow_blank => true
  validates_length_of :mail, :maximum => MAIL_LENGTH_LIMIT, :allow_nil => true
  validates_confirmation_of :password, :allow_nil => true
  # validates_inclusion_of :mail_notification, :in => MAIL_NOTIFICATION_OPTIONS.collect(&:first), :allow_blank => true
  validate :validate_password_length
  # validates_email_realness_of :mail
  before_create :set_mail_notification
  before_save   :update_hashed_password
  before_destroy :remove_references_before_destroy
  # added by fq
  after_create :add_onclick_time, :act_as_principal_activity,:add_new_jour
  # end
  # 更新邮箱用户或用户名的同事，同步更新邀请信息
  # after_update :update_user_ealasticsearch_index

  include  Trustie::Gitlab::ManageUser

  scope :in_group, lambda {|group|
    group_id = group.is_a?(Group) ? group.id : group.to_i
    where("#{User.table_name}.id IN (SELECT gu.user_id FROM #{table_name_prefix}groups_users#{table_name_suffix} gu WHERE gu.group_id = ?)", group_id)
  }
  scope :not_in_group, lambda {|group|
    group_id = group.is_a?(Group) ? group.id : group.to_i
    where("#{User.table_name}.id NOT IN (SELECT gu.user_id FROM #{table_name_prefix}groups_users#{table_name_suffix} gu WHERE gu.group_id = ?)", group_id)
  }
  scope :sorted, lambda { order(*User.fields_for_order_statement)}
  scope :indexable,lambda { where('id not in (2,4)')} #用于elastic建索引的scope,id为2是匿名用户，4是管理员，不能被索引
  scope :like, lambda {|arg, type|
    if arg.blank?
      where(nil)
    else
      pattern = "%#{arg.to_s.strip.downcase}%"
      #where(" LOWER(concat(lastname, firstname)) LIKE :p ", :p => pattern)
      if type == "0"
        where(" LOWER(login) LIKE '#{pattern}' ")
      elsif type == "1"
        where(" LOWER(concat(lastname, firstname)) LIKE '#{pattern}' ")
      elsif type == "3"
        where(" LOWER(concat(lastname, firstname,login)) LIKE '#{pattern}' ")
      else
        where(" LOWER(mail) LIKE '#{pattern}' ")
      end
    end
  }

  # 工程认证的学校
  def ec_school
    school_id = self.ec_school_users.pluck(:school_id).first ||
        self.ec_major_schools.pluck(:school_id).first ||
        (self.ec_course_users.first && self.ec_course_users.first.try(:ec_course).try(:ec_year).try(:ec_major_school).try(:school_id))
  end

  # 工程认证的权限
  def ec_school_auth school_id
    # self.ec_school_users.where(:school_id => school_id).count > 0 ||
    #     self.ec_major_schools.where(:school_id => school_id).count > 0 ||
    #
  end

  def challenge_tags
    games = self.games.where(:id => self.experiences.map(&:container_id), :status => 2)
    challenge_tags = ChallengeTag.where(:challenge_id => games.map(&:challenge_id)).where("name != ''")
  end

  def self.search(query)
    __elasticsearch__.search(
        {
            query: {
                multi_match: {
                    query: query,
                    type:"most_fields",
                    operator: "or",
                    fields: ['login', 'firstname','lastname']
                }
            },
            sort:{
                _score:{order:"desc"},
                last_login_on: {order:"desc"}
            },
            highlight: {
                pre_tags: ['<span class="c_red">'],
                post_tags: ['</span>'],
                fields: {
                    login: {},
                    firstname: {},
                    lastname: {}
                }
            }
        }
    )
  end

  def self.test_users
    lastname = []
    100.times do |i|
      lastname << "educoder#{sprintf("%04d", i)}"
    end
    return User.where(:lastname => lastname)
  end

  # ======================================================================
  def my_workplace
    self.user_extensions.try(:occupation).to_s
  end

  # id 转换成 登录名
  # 如果是整数就去ID，否则就取login
  # 含有特殊符号的则显示ID
  def to_param
    (self.login.to_i.to_s == self.login || self.login.include?(".") || self.login.include?("%") || self.login.include?("?")) ? id : login
  end

  def is_teacher
    self.user_extensions && self.user_extensions.identity == 0 ? true : false
  end

  def my_blogs_count
    self.blog.blog_comments.where("#{BlogComment.table_name}.parent_id is null").count
  end

  def my_students
    my_students=StudentsForCourse.find_by_sql("SELECT SUM(student_count) as students_count, c.tea_id FROM courses c, (SELECT course_id , COUNT(id) AS student_count FROM students_for_courses GROUP BY course_id) AS ct
                                 WHERE c.id= ct.course_id and c.tea_id = #{self.id} GROUP BY c.tea_id").first
    results = my_students.blank? ? 0 : my_students.students_count
    results
  end

  def company_name
    "#{self.user_extensions.try(:school).try(:name)} #{self.user_extensions.try(:department).try(:name)}"
  end

  # 地区
  def region_name
    if self.user_extensions.try(:location).present? && self.user_extensions.try(:location_city)
      "#{self.user_extensions.try(:location)},#{self.user_extensions.try(:location_city)}"
    end
  end

  # 试用授权
  def trial_authorization
    self.certification == 1 ? "是" : "否"
  end

  # 性别
  def sex
    case self.user_extensions.try(:gender)
      when 0
        "男"
      when 1
        "女"
      when nil
        "未填写"
    end
  end

  # 学号
  def student_id
    self.user_extensions && self.user_extensions.student_id ? self.user_extensions.student_id : "--"
  end

  # 平台认证的老师
  def is_certification_teacher
    self.user_extensions.identity == 0 && self.professional_certification
  end

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


  # 查询用户未读过的记录
  # 用户留言记录
  def count_new_jour
    count = self.new_jours.count
    # count = self.journals_for_messages(:conditions => ["status=?  and is_readed = ? " ,1, 0]).count
  end

  def blog
    @blog = Blog.where("author_id =  #{self.id}").all[0]
    if @blog.nil?
      #如果某个user的blog不存在，那么就创建一条，并且跳转
      @blog = Blog.create(:name=>(User.find(self.id).realname.blank? ? User.find(self.id).login : User.find(self.id).realname ),
                                           :description=>'',
                                           :author_id=>self.id)
      @blog.save
    end
    @blog
  end

  def homepage
    @homepage = Homepage.where("user_id =  #{self.id}").all[0]
    if @homepage.nil?
      #如果某个user的blog不存在，那么就创建一条，并且跳转
      @homepage = Homepage.create(:name=>(User.find(self.id).login), :user_id=>self.id)
      @homepage.save
    end
    @homepage
  end

  def base_homepage
    @base_homepage = nil
    @homepage = self.homepage
    if @homepage.article_id and ArticleHomepage.where("id=?", @homepage.article_id).count > 0
      @base_homepage = ArticleHomepage.where("id=?", @homepage.article_id).first
    end
    @base_homepage
  end

  # 查询指派给我的缺陷记录
  def count_new_issue_assign_to
    self.issue_assigns
  end

  # 新消息统计
  def count_new_message
    if OnclickTime.where("user_id =?", User.current).first.nil?
      message_new_time = OnclickTime.new
      message_new_time.user_id = User.current.id
      # 第一次初始化点击铃铛时间
      message_new_time.onclick_time = User.current.last_login_on.nil? ? Time.now : User.current.last_login_on
      message_new_time.save
    end
    user = User.current
    onclick_time = user.onclick_time.onclick_time
    delete_courses = Course.where(:is_delete => 1).blank? ? "(-1)" : "(" + Course.where(:is_delete => 1).map(&:id).join(",") + ")"
    course_count = CourseMessage.where("user_id =? and viewed =? and created_at >? and course_id not in #{delete_courses}", user.id, 0, onclick_time).count
    contest_count = ContestMessage.where("user_id =? and viewed =? and created_at >?", user.id, 0, onclick_time).count
    forge_count = ForgeMessage.where("user_id =? and viewed =? and created_at >?", user.id, 0, onclick_time).count
    user_feedback_count = UserFeedbackMessage.where("user_id =? and viewed =? and created_at >?", user.id, 0, onclick_time).count
    user_memo_count = MemoMessage.where("user_id =? and viewed =? and created_at >?", user.id, 0, onclick_time).count
    system_messages_count = SystemMessage.where("created_at >?", onclick_time).count
    at_count = AtMessage.where("user_id =? and viewed =? and created_at >?", user.id, 0, onclick_time).count
    org_count = OrgMessage.where("user_id=? and viewed =? and created_at >?", user.id,0, onclick_time).count
    applied_count = AppliedMessage.where("user_id=? and viewed =? and created_at >?", user.id, 0, onclick_time).count
    blog_message_count = BlogMessage.where("user_id=? and viewed=? and created_at >?", user.id, 0, onclick_time).count
    messages_count = course_count + contest_count + forge_count + user_feedback_count + user_memo_count + system_messages_count + at_count + org_count + applied_count + blog_message_count
  end

  # 用户的学校名称
  def school_name
    self.user_extensions && self.user_extensions.school_id.present? &&  self.user_extensions.school ? self.user_extensions.school.name : ""
  end

  # 查询指派给我的缺陷记录
  def issue_status_update
    self.status_updates
  end
  # end

  def extensions
    self.user_extensions ||= UserExtensions.new
  end

  # User现在可以作为一个Container_type,而Attachment的Container方法会有一个Container.try(:project),
  # 所以这里定义一个空方法，保证不报错
  def project

  end

  def user_score_attr
    self.user_score ||= UserScore.new
  end

  # ======================================================================

  #选择项目成员时显示的用户信息文字
  def userInfo
    if self.realname.gsub(' ','') == "" || self.realname.nil?
      info = self.nickname;
    else
      info=self.nickname + '   (' + self.realname + ')';
    end
    info
  end
  
   ###添加留言   fq
  def add_jour(user, notes, reference_user_id = 0, options = {})
    if options.count == 0
      self.journals_for_messages << JournalsForMessage.new(:user_id => user.id, :notes => notes, :reply_id => reference_user_id, :status => true, :is_readed => false)
    else 
      jfm = self.journals_for_messages.build(options)
      jfm.save
      jfm
    end
  end
  
  ### fq
  def join_in?(course)
    joined = StudentsForCourse.where('student_id = ? and course_id = ?', self.id, course.id)
    if joined.size > 0
      true
    else
      false
    end
  end
  
  def show_name
    if self.logged?
      if self.show_realname
        name = lastname + firstname
      else
        name = nickname
      end
      name.blank? ? (nickname.blank? ? login : nickname) : name
    else
      "游客"
    end

  end

  def show_real_name
    name = lastname + firstname
    name.blank? ? (nickname.blank? ? login : nickname) : name
  end

  def show_occupation
    if self.user_extensions && self.user_extensions.school
      self.user_extensions.school.name
    end
  end
  ## end

  def get_at_show_name
    name = show_name
    (name != self.login) ? "#{name} #{self.login}" : name
  end
  
  #added by nie
  def count_new_journal_reply
    count = self.journal_reply.count
  end
  
  def set_mail_notification
    ##add byxianbo
    thread=Thread.new do
    self.mail_notification = Setting.default_notification_option if self.mail_notification.blank?
    true
    end
  end

  def update_hashed_password
    # update hashed_password if password was set
    if self.password && self.auth_source_id.blank?
      salt_password(password)
    end
  end

  alias :base_reload :reload
  def reload(*args)
    @name = nil
    @projects_by_role = nil
    @courses_by_role = nil
    @contests_by_role = nil
    @membership_by_project_id = nil
    base_reload(*args)
  end

  def mail=(arg)
    write_attribute(:mail, arg.to_s.strip)
  end

  def identity_url=(url)
    if url.blank?
      write_attribute(:identity_url, '')
    else
      begin
        write_attribute(:identity_url, OpenIdAuthentication.normalize_identifier(url))
      rescue OpenIdAuthentication::InvalidOpenId
        # Invalid url, don't save
      end
    end
    self.read_attribute(:identity_url)
  end

  # 判断用户的身份
  def identity
    ue = self.user_extensions
    unless ue.blank?
      if ue.identity == 0
        result = ue.technical_title ? ue.technical_title : "老师"
      elsif ue.identity == 1
        result = "学生"
      else
        result = ue.technical_title ? ue.technical_title : "专业人士"
      end
    end
  end

  VALID_EMAIL_REGEX = /^[a-zA-Z0-9]+([.\-_\\]*[a-zA-Z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/i
  VALID_PHONE_REGEX = /^1\d{10}$/
  # VALID_EMAIL_REGEX = /^[0-9a-zA-Z_-]+@[0-9a-zA-Z_-]+(\.[0-9a-zA-Z_-]+)+$/
  # Returns the user that matches provided login and password, or nil
  #登录，返回用户名与密码匹配的用户
  def self.try_to_login(login, password)
    login = login.to_s.strip
    password = password.to_s
    Rails.logger.info("try_to_login: login is #{login}")

    # Make sure no one can sign in with an empty login or password
    return nil if login.empty? || password.empty?
    if (login =~ VALID_EMAIL_REGEX)
      user = find_by_mail(login)
    elsif (login =~ VALID_PHONE_REGEX)
      user = find_by_phone(login)
    else
      user = find_by_login(login)
    end

    Rails.logger.info("try_to_login: user is #{login}")
    if user
      # user is already in local database
      return nil if user.locked?
      return nil unless user.check_password?(password)
    else
      # user is not yet registered, try to authenticate with available sources
      attrs = AuthSource.authenticate(login, password)
      if attrs
        user = new(attrs)
        user.login = login
        user.language = Setting.default_language
        if user.save
          user.reload
          logger.info("User '#{user.login}' created from external auth source: #{user.auth_source.type} - #{user.auth_source.name}") if logger && user.auth_source
        end
      end
    end
    if user && !user.new_record?
      last_login_on = user.last_login_on.nil? ? '' : user.last_login_on.to_s
      user.update_column(:last_login_on, Time.now)
    end
    [user, last_login_on]
  rescue => text
    raise text
  end


  def self.try_to_autologin(key)
    user = Token.find_active_user('autologin', key, Setting.autologin.to_i)
    if user
      user.update_column(:last_login_on, Time.now)
      user
    end
  end

  def self.name_formatter(formatter = nil)
    USER_FORMATS[formatter || Setting.user_format] || USER_FORMATS[:firstname_lastname]
  end

  # Returns an array of fields names than can be used to make an order statement for users
  # according to how user names are displayed
  # Examples:
  #
  #   User.fields_for_order_statement              => ['users.login', 'users.id']
  #   User.fields_for_order_statement('authors')   => ['authors.login', 'authors.id']
  def self.fields_for_order_statement(table=nil)
    table ||= table_name
    name_formatter[:order].map {|field| "#{table}.#{field}"}
  end

  # 186***2342
  def user_phone
    phone.nil? || (phone && phone.empty?) ? "" : phone.gsub(/(\d{3})\d{4}(\d{4})/, '\1****\2')
  end

  # 8***2@qq.com
  def user_mail
    mail.nil? || (mail && mail.empty?) ? "" : mail.gsub(/(.{1}).+(.{1}@.+)/, '\1****\2')
  end

  def user_identity_card
    self.ID_number.nil? ? "---" : self.ID_number.gsub(/(.{4}).+(.{4})/, '\1****\2')
  end


  # Return user's full name for display
  def realname(formatter = nil)
    f = self.class.name_formatter(formatter)
    if formatter
      eval('"' + f[:string] + '"')
    else
      @name ||= eval('"' + f[:string] + '"')
    end
  end

  def name(formatter = nil)
    login
  end

  def active?
    self.status == STATUS_ACTIVE
  end

  def registered?
    self.status == STATUS_REGISTERED
  end

  def locked?
    self.status == STATUS_LOCKED
  end

  def activate
    self.status = STATUS_ACTIVE
  end

  def register
    self.status = STATUS_REGISTERED
  end

  def lock
    self.status = STATUS_LOCKED
  end

  def activate!
    update_attribute(:status, STATUS_ACTIVE)
  end

  def register!
    update_attribute(:status, STATUS_REGISTERED)
  end

  def lock!
    update_attribute(:status, STATUS_LOCKED)
  end

  # Returns true if +clear_password+ is the correct user's password, otherwise false
  def check_password?(clear_password)
    if auth_source_id.present?
      auth_source.authenticate(self.login, clear_password)
    else
      User.hash_password("#{salt}#{User.hash_password clear_password}") == hashed_password
    end
  end
  def check_password1?(clear_password)

      clear_password == hashed_password

  end
  # Generates a random salt and computes hashed_password for +clear_password+
  # The hashed password is stored in the following form: SHA1(salt + SHA1(password))
  def salt_password(clear_password)
    self.salt = User.generate_salt
    self.hashed_password = User.hash_password("#{salt}#{User.hash_password clear_password}")
  end

  # Does the backend storage allow this user to change their password?
  def change_password_allowed?
    return true if auth_source.nil?
    return auth_source.allow_password_changes?
  end

  # Generate and set a random password.  Useful for automated user creation
  # Based on Token#generate_token_value
  #
  def random_password
    chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a
    password = ''
    40.times { |i| password << chars[rand(chars.size-1)] }
    self.password = password
    self.password_confirmation = password
    self
  end

  def pref
    self.preference ||= UserPreference.new(:user => self)
  end

  def time_zone
    @time_zone ||= (self.pref.time_zone.blank? ? nil : ActiveSupport::TimeZone[self.pref.time_zone])
  end

  def wants_comments_in_reverse_order?
    self.pref[:comments_sorting] == 'desc'
  end

  def wants_notificationcomments_in_reverse_order?
    self.pref[:notificationcomments_sorting] == 'desc'
  end
  # Return user's RSS key (a 40 chars long string), used to access feeds
  def rss_key
    if rss_token.nil?
      create_rss_token(:action => 'feeds')
    end
    rss_token.value
  end

  # Return user's API key (a 40 chars long string), used to access the API
  def api_key
    if api_token.nil?
      create_api_token(:action => 'api')
    end
    api_token.value
  end

  # Return an array of project ids for which the user has explicitly turned mail notifications on
  def notified_projects_ids
    @notified_projects_ids ||= memberships.select {|m| m.mail_notification?}.collect(&:project_id)
  end

  def notified_project_ids=(ids)
    Member.update_all("mail_notification = #{connection.quoted_false}", ['user_id = ?', id])
    Member.update_all("mail_notification = #{connection.quoted_true}", ['user_id = ? AND project_id IN (?)', id, ids]) if ids && !ids.empty?
    @notified_projects_ids = nil
    notified_projects_ids
  end

  def valid_notification_options
    self.class.valid_notification_options(self)
  end

  # Only users that belong to more than 1 project can select projects for which they are notified
  def self.valid_notification_options(user=nil)
    # Note that @user.membership.size would fail since AR ignores
    # :include association option when doing a count
    if user.nil? || user.memberships.length < 1
      MAIL_NOTIFICATION_OPTIONS.reject {|option| option.first == 'selected'}
    else
      MAIL_NOTIFICATION_OPTIONS
    end
  end

  # Find a user account by matching the exact login and then a case-insensitive
  # version.  Exact matches will be given priority.
  #通过用户名查找相应的用户，若没有匹配到，则不区分大小写进行查询
  #修改：不再匹配不区分大小写情况 -zjc
  def self.find_by_login(login)
    if login.present?
      where(:login => login).first
    end
  end

  def self.find_by_rss_key(key)
    Token.find_active_user('feeds', key)
  end

  def self.find_by_api_key(key)
    Token.find_active_user('api', key)
  end

  # Makes find_by_mail case-insensitive
  def self.find_by_mail(mail)
    where("LOWER(mail) = ?", mail.to_s.downcase).first
  end

  def self.find_by_phone(phone)
    where("phone = ?", phone).first
  end

  # Returns true if the default admin account can no longer be used
  def self.default_admin_account_changed?
    !User.active.find_by_login("admin").try(:check_password?, "admin")
  end

  def to_s
    name
  end

  CSS_CLASS_BY_STATUS = {
    STATUS_ANONYMOUS  => 'anon',
    STATUS_ACTIVE     => 'active',
    STATUS_REGISTERED => 'registered',
    STATUS_LOCKED     => 'locked'
  }

  def css_classes
    "user #{CSS_CLASS_BY_STATUS[status]}"
  end

  # Returns the current day according to user's time zone
  def today
    if time_zone.nil?
      Date.today
    else
      Time.now.in_time_zone(time_zone).to_date
    end
  end

  # Returns the day of +time+ according to user's time zone
  def time_to_date(time)
    if time_zone.nil?
      time.to_date
    else
      time.in_time_zone(time_zone).to_date
    end
  end

  # 实名认证状态
  def authentication_status
    authentication ? "已认证" : (real_name_authentication_apply.present? ? "待审核" : "未认证")
  end

  # 职业认证状态
  def professional_status
    professional_certification ? "已认证" : (professional_authentication_apply.present? ? "待审核" : "未认证")
  end

  def logged?
    true
  end

  def anonymous?
    !logged?
  end

  def watch_count
    User.watched_by(self.id).count
  end

  def system_authentication?
    self.authentication.blank? ? false : true
  end

  # Returns user's membership for the given project
  # or nil if the user is not a member of project
  def membership(project)
    project_id = project.is_a?(Project) ? project.id : project

    @membership_by_project_id ||= Hash.new {|h, project_id|
      h[project_id] = memberships.where(:project_id => project_id).first
    }
    @membership_by_project_id[project_id]
  end

  def coursemembership(course)
   course_id = course.is_a?(Course) ? course.id : course

    @membership_by_course_id ||= Hash.new {|h, course_id|
      h[course_id] = coursememberships.where(:course_id => course_id).first
    }
   @membership_by_course_id[course_id]
  end

  # Return user's roles for project
  def roles_for_project(project)
    roles = []
    # No role on archived projects
    return roles if project.nil? || project.archived?
    if logged?
      # Find project membership
      membership = membership(project)
      if membership
        roles = membership.roles
      else
        @role_non_member ||= Role.non_member
        roles << @role_non_member
      end
    else
      @role_anonymous ||= Role.anonymous
      roles << @role_anonymous
    end
    roles
  end

  # 用户课程权限判断
  def roles_for_course(course)
    roles = []
    # No role on archived courses
    return roles if course.nil? || course.archived?
    if logged?
      # Find course membership
      membership = coursemembership(course)
      if membership
        roles = membership.roles.where("is_current = 1")
      else
        @role_non_member ||= Role.non_member
        roles << @role_non_member
      end
    else
      @role_anonymous ||= Role.anonymous
      roles << @role_anonymous
    end
    roles
  end

  # Return true if the user is a member of project
  def member_of?(project)
    projects.to_a.include?(project)
  end

  # 超级管理员或者创建者
  def manager_of_subject?(subject)
    (subject.owner == User.current || User.current.admin?) ? true : false
  end

  def member_of_subject?(subject)
    member = SubjectMember.where(:user_id => self.id, :subject_id => subject, :role => [1,2])
    (!member.blank? || User.current.admin?) ? true : false
  end


  # 超级管理员或者role为1
  def manager_of_shixun?(shixun, *arg)
    user = (arg.present? ? arg.first : User.current)
    member = shixun.shixun_members.where(:role => [1,2], :user_id => self.id)
    (!member.blank? || user.admin?) ? true : false
  end

  # 是否为实训成员
  def member_of_shixun?(shixun, user)
    shixun.users.select{|u| u.id == user.id}.size > 0 ? true : false
  end

  # 超级管理员或者role为1
  def manager_of_myshixun?(myshixun)
    (User.current.id == myshixun.user_id || User.current.admin?) ? true : false
  end

  def manager_of_memo?(memo)
    (User.current.id == memo.author_id || User.current.admin?) ? true : false
  end

  def member_of_course?(course)
    course.course_members.exists?(user_id: self.id) || User.current.business?
  end

  def member_of_contest?(contest)
    contest.contest_members.where(:user_id => self.id).count > 0
    #contests.to_a.include?(contest)
  end

  def member_of_org?(org)
    if !self.logged?
      return false
    end
    OrgMember.where("user_id =? and organization_id =?", self.id, org.id).count > 0
  end

  def member_of_syl?(syllabus)
    if !self.logged?
      return false
    end
    SyllabusMember.where("user_id =? and syllabus_id =?", self.id, syllabus.id).count > 0
  end

  def admin_of_org?(org)
    if self.admin?
      return true
    end
    if  OrgMember.where("user_id =? and organization_id =?", self.id, org.id).count == 0
      return false
    end
     role = OrgMember.where("user_id =? and organization_id =?", self.id, org.id)[0].roles[0]
     unless role.nil?
       role.name == 'orgManager' ? true : false
     else
       false
     end
  end

  def manager_of_project?(project_id)
    @result = false
    mem = Member.where("user_id = ? and project_id = ?", self.id, project_id)
    unless mem.blank?
      @result = mem.first.roles.to_s.include?("Manager") ? true : false
    end
    return @result
  end

  # 判断是否是竞赛的主办人
  def admin_of_contest?(contest)
    if contest.nil?
      return false
    end
    if ContestMember.where("user_id =? and contest_id =?", self.id, contest.id).count == 0
      return false
    end
    member_role = ContestMember.where("user_id =? and contest_id =?", self.id, contest.id)[0].contest_member_roles.where(:is_current => true)[0]
    unless member_role.nil?
      member_role.role.name == 'ContestManager' ? true : false
    else
      false
    end
  end

  # 判断是否是竞赛的评委
  def judge_of_contest?(contest)
    if ContestMember.where("user_id =? and contest_id =?", self.id, contest.id).count == 0
      return false
    end
    member_role = ContestMember.where("user_id =? and contest_id =?", self.id, contest.id)[0].contest_member_roles.where(:is_current => true)[0]
    unless member_role.nil?
      member_role.role.name == 'Judge' ? true : false
    else
      false
    end
  end

  # 判断是否是竞赛的参赛者
  def contestant_of_contest?(contest)
    if ContestMember.where("user_id =? and contest_id =?", self.id, contest.id).count == 0
      return false
    end
    member_role = ContestMember.where("user_id =? and contest_id =?", self.id, contest.id)[0].contest_member_roles.where(:is_current => true)[0]
    unless member_role.nil?
      member_role.role.name == 'Contestant' ? true : false
    else
      false
    end
  end

  def member_of_course_group?(course_group)
    course_groups.to_a.include?(course_group)
  end
  # Returns a hash of user's projects grouped by roles
  def projects_by_role
    return @projects_by_role if @projects_by_role

    @projects_by_role = Hash.new([])
    memberships.each do |membership|
      if membership.project
        membership.roles.each do |role|
          @projects_by_role[role] = [] unless @projects_by_role.key?(role)
          @projects_by_role[role] << membership.project
        end
      end
    end
    @projects_by_role.each do |role, projects|
      projects.uniq!
    end

    @projects_by_role
  end

  # 课程的角色权限
  def courses_by_role
    return @courses_by_role if @courses_by_role

    @courses_by_role = Hash.new([])
    coursememberships.each do |membership|
      if membership.course
        membership.roles.each do |role|
          @courses_by_role[role] = [] unless @courses_by_role.key?(role)
          @courses_by_role[role] << membership.course
        end
      end
    end
    @courses_by_role.each do |role, courses|
      courses.uniq!
    end

    @courses_by_role
  end

  # 竞赛的角色权限
  def contests_by_role
    return @contests_by_role if @contests_by_role

    @contests_by_role = Hash.new([])
    contestmemberships.each do |membership|
      if membership.contest
        membership.roles.each do |role|
          @contests_by_role[role] = [] unless @contests_by_role.key?(role)
          @contests_by_role[role] << membership.contest
        end
      end
    end
    @contests_by_role.each do |role, contests|
      contests.uniq!
    end

    @contests_by_role
  end
  # Returns true if user is arg or belongs to arg
  def is_or_belongs_to?(arg)
    if arg.is_a?(User)
      self == arg
    elsif arg.is_a?(Group)
      arg.users.include?(self)
    else
      false
    end
  end

  #是否是老师(不包括助教)
  def teacher_of_course(course)
    return true if admin?
    member = course.members.where("user_id = #{self.id}").first
    if !member.nil?
      role = MemberRole.where("member_id = #{member.id} and role_id in (3, 9)")
      !role.blank?
    else
      return false
    end
  end

  #是否具有老师角色
  def has_teacher_role(course)
    member = course.members.where("user_id = #{self.id}").first
    if !member.nil?
      role = MemberRole.where("member_id = #{member.id} and role_id in (3, 7, 9)")
      !role.blank?
    else
      return false
    end
  end

  #是否具有学生角色
  def has_student_role(course)
    member = course.members.where("user_id = #{self.id}").first
    role = MemberRole.where("member_id = #{member.id} and role_id = 10")
    !role.blank?
  end

  # Return true if the user is allowed to do the specified action on a specific context
  # Action can be:
  # * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
  # * a permission Symbol (eg. :edit_project)
  # Context can be:
  # * a project : returns true if user is allowed to do the specified action on this project
  # * an array of projects : returns true if user is allowed on every project
  # * nil with options[:global] set : check if user has at least one role allowed for this action,
  #   or falls back to Non Member / Anonymous permissions depending if the user is logged
  def allowed_to?(action, context, options={}, &block)
    if Project === context
      return false unless context.allows_to?(action)
      # Admin users are authorized for anything else
      return true if admin? || business?

      # 课程：作品关联项目的老师也可以访问私有项目
      course_ids = context.student_work_projects.blank? ? "(-1)" : "(" + context.student_work_projects.map{|swp| swp.course_id}.join(",") + ")"
      courses = Course.where("id in #{course_ids}")
      courses.each do |course|
        if self.has_teacher_role(course)
          return true
        end
      end

      # 竞赛：作品关联项目的管理员也可以访问私有项目
      contest_ids = context.contestant_work_projects.map{|swp| swp.contest_id}
      contests = Contest.where(:id => contest_ids)
      contests.each do |contest|
        if self.admin_of_contest?(contest)
          return true
        end
      end

      roles = roles_for_project(context)
      return false unless roles
      roles.any? {|role|
        (context.is_public? || role.member?) &&
        role.allowed_to?(action) &&
        (block_given? ? yield(role, self) : true)
      }
      #添加课程相关的权限判断
    elsif Course === context
        return false unless context.allows_to?(action)
        return false unless logged?
        # Admin users are authorized for anything else
        return true if admin?

        roles = roles_for_course(context)
        return false unless roles
        roles.any? {|role|
          (context.is_public? || role.member?) &&
              role.allowed_to?(action) &&
              (block_given? ? yield(role, self) : true)
        }
     elsif context && context.is_a?(Array)
      if context.empty?
        false
      else
        # Authorize if user is authorized on every element of the array
        context.map {|project| allowed_to?(action, project, options, &block)}.reduce(:&)
      end
    elsif options[:global]
      # Admin users are always authorized
      return true if admin?

      # authorize if user has at least one role that has this permission
      roles = memberships.collect {|m| m.roles}.flatten.uniq
      if roles.count == 0
        roles = coursememberships.collect {|m| m.roles}.flatten.uniq
      end
      roles << (self.logged? ? Role.non_member : Role.anonymous)
      roles.any? {|role|
        role.allowed_to?(action) &&
        (block_given? ? yield(role, self) : true)
      }
    else
      if admin?
        return true
      end
      #无项目时 查看Non member（id为1）角色是否有权限执行action
        Role.find('1').allowed_to?(action)
     # false
    end
  end

  # Is the user allowed to do the specified action on any project?
  # See allowed_to? for the actions and valid options.
  def allowed_to_globally?(action, options, &block)
    allowed_to?(action, nil, options.reverse_merge(:global => true), &block)
  end

  # Returns true if the user is allowed to delete his own account
  def own_account_deletable?
    Setting.unsubscribe? &&
      (!admin? || User.active.where("admin = ? AND id <> ?", true, id).exists?)
  end

  safe_attributes 'login',
    'firstname',
    'lastname',
    'mail',
    'mail_notification',
    'language',
    'custom_field_values',
    'custom_fields',
    'identity_url',
    'phone',
    'authentication',
    'nickname',
    'professional_certification',
    'ID_number',
    'homepage_teacher',
    'homepage_engineer'

  safe_attributes 'status',
    'auth_source_id',
    :if => lambda {|user, current_user| current_user.admin?}

  safe_attributes 'group_ids',
    :if => lambda {|user, current_user| current_user.admin? && !user.new_record?}

  # Utility method to help check if a user should be notified about an
  # event.
  #
  # TODO: only supports Issue events currently
  def notify_about?(object)
    if mail_notification == 'all'
      true
    elsif mail_notification.blank? || mail_notification == 'none'
      false
    else
      case object
      when Issue
        case mail_notification
        when 'selected', 'only_my_events'
          # user receives notifications for created/assigned issues on unselected projects
          object.author == self || is_or_belongs_to?(object.assigned_to) || is_or_belongs_to?(object.assigned_to_was)
        when 'only_assigned'
          is_or_belongs_to?(object.assigned_to) || is_or_belongs_to?(object.assigned_to_was)
        when 'only_owner'
          object.author == self
        end
      when News
        # always send to project members except when mail_notification is set to 'none'
        true
        #判定用户是否接受留言提醒邮件
      when JournalsForMessage
        ##如果是直接留言并且留言对象是Project并且Project类型是课程（课程留言）
        if !object.at_user && object.jour.class.to_s.to_sym == :Project && object.jour.project_type == 1
            #根据用户设置邮件接收模式判定当前用户是否接受邮件提醒
          is_notified_project object.jour
          end

      end
    end
  end

  #用户是否接收project的消息提醒
  def is_notified_project arg
    if arg.is_a?(Project)
      case mail_notification
        when 'selected'
          notified_projects_ids.include?(arg.id)
        when 'only_my_events'
          projects.include?(arg)
        when 'only_assigned'
          false
        when 'only_owner'
          course = Course.find_by_extra(arg.identifier)
          course.teacher == self
      end
      #勾选的项目或用户的项目  TODO：需改
      #notified_projects_ids.include?(arg) || projects.include?(arg)
    else
      false
    end
  end

  def self.current=(user)
    Thread.current[:current_user] = user
  end

  def self.current
    Thread.current[:current_user] ||= User.anonymous
  end

  def user_real_extension
    ue = self.user_extensions
    if ue.nil?
      ue = UserExtensions.new
      ue.user_id = self.id
      ue.save
    end
    ue
  end

  # Returns the anonymous user.  If the anonymous user does not exist, it is created.  There can be only
  # one anonymous user per database.
  def self.anonymous
    anonymous_user = AnonymousUser.first
    if anonymous_user.nil?
      anonymous_user = AnonymousUser.create(:lastname => 'Anonymous', :firstname => '', :mail => '', :login => '', :status => 0)
      raise 'Unable to create the anonymous user.' if anonymous_user.new_record?
    end
    anonymous_user
  end

  def self.is_id?(id)
    Fixnum===id || id.to_i.to_s == id
  end

  # refactor User model find function,
  # return anonymous user when can not find user id = user_id
  def self.find (*args, &block)
    begin
      return find_by_login(args.first) if args.size==1 && !is_id?(args.first)
      super
    rescue
      self.anonymous
    end
    # super
  end

  # Salts all existing unsalted passwords
  # It changes password storage scheme from SHA1(password) to SHA1(salt + SHA1(password))
  # This method is used in the SaltPasswords migration and is to be kept as is
  def self.salt_unsalted_passwords!
    transaction do
      User.where("salt IS NULL OR salt = ''").find_each do |user|
        next if user.hashed_password.blank?
        salt = User.generate_salt
        hashed_password = User.hash_password("#{salt}#{user.hashed_password}")
        User.where(:id => user.id).update_all(:salt => salt, :hashed_password => hashed_password)
      end
    end
  end

  # 未创建onclick_time的用户
  def onclick_time
    if OnclickTime.where("user_id =?" , self.id).first.nil?
      OnclickTime.create(:user_id => self.id, :onclick_time => self.created_on)
    end
    OnclickTime.where("user_id =?" , self.id).first
  end

  protected

  def validate_password_length
    # Password length validation based on setting

    if !password.nil? && password.size < Setting.password_min_length.to_i && !User.current.admin?
      errors.add(:password, :too_short, :count => Setting.password_min_length.to_i)
    end
  end
  private

  def act_as_activity
    self.acts << Activity.new(:user_id => self.id)
  end

  #用户动态公共表记录
  def act_as_principal_activity
    self.principal_acts << PrincipalActivity.new(:user_id => self.id,:principal_id => self.id)
  end

  # 注册用户的时候消息默认点击时间为用户创建时间
  def add_onclick_time
    if OnclickTime.where("user_id =?" , self.id).first.nil?
      OnclickTime.create(:user_id => self.id, :onclick_time => self.created_on)
    end
  end

  # 为新注册用户发送留言
  # 只发三条没可以不用delay job，而且这个最好是注册的时候就能看到
  def add_new_jour
    # Rails.logger.info "add_new_jour_delay!!!!!!!!!"
    # if Setting.find_by_name("hidden_non_project") && Setting.find_by_name("hidden_non_project").value != "0"
    #   if Message.where("id=19504").any? and Message.where("id=19291").any? and Message.where("id=19292").any?
    #     lead_message1 = Message.find(19292)
    #     notes1 = lead_message1.content
    #     lead_message2 = Message.find(19291)
    #     notes2 = lead_message2.content
    #     lead_message3 = Message.find(19504)
    #     notes3 = lead_message3.content
    #     #user_id 默认为课程使者创建
    #     self.journals_for_messages << JournalsForMessage.new(:user_id => 1, :notes => notes1, :reply_id => 0, :status => true, :is_readed => false, :private => 0)
    #     self.journals_for_messages << JournalsForMessage.new(:user_id => 1, :notes => notes2, :reply_id => 0, :status => true, :is_readed => false, :private => 0)
    #     self.journals_for_messages << JournalsForMessage.new(:user_id => 1, :notes => notes3, :reply_id => 0, :status => true, :is_readed => false, :private => 0)
    #   end
    # end
    # self.delay.add_new_jour_delay
  end

  #为新注册用户发送留言
  def add_new_jour_delay
    # Rails.logger.info "add_new_jour_delay!!!!!!!!!"
    # if Setting.find_by_name("hidden_non_project") && Setting.find_by_name("hidden_non_project").value != "0"
    #   if Message.where("id=19504").any? and Message.where("id=19291").any? and Message.where("id=19292").any?
    #     lead_message1 = Message.find(19292)
    #     notes1 = lead_message1.content
    #     lead_message2 = Message.find(19291)
    #     notes2 = lead_message2.content
    #     lead_message3 = Message.find(19504)
    #     notes3 = lead_message3.content
    #     #user_id 默认为课程使者创建
    #     self.journals_for_messages << JournalsForMessage.new(:user_id => 1, :notes => notes1, :reply_id => 0, :status => true, :is_readed => false, :private => 0)
    #     self.journals_for_messages << JournalsForMessage.new(:user_id => 1, :notes => notes2, :reply_id => 0, :status => true, :is_readed => false, :private => 0)
    #     self.journals_for_messages << JournalsForMessage.new(:user_id => 1, :notes => notes3, :reply_id => 0, :status => true, :is_readed => false, :private => 0)
    #   end
    # end
  end

  # 更新邮箱的同事，更新invite_lists表中的邮箱信息
  def update_invite_list
    invite_lists = InviteList.where("user_id =?",self.id).all
    unless invite_lists.blank?
      invite_lists.each do |invite_list|
        invite_list.update_attribute(:mail, self.mail)
      end
    end
  end

  # Removes references that are not handled by associations
  # Things that are not deleted are reassociated with the anonymous user
  def remove_references_before_destroy
    return if self.id.nil?

    substitute = User.anonymous
    Attachment.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
    Comment.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
    Notificationcomment.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
    Issue.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
    Issue.update_all 'assigned_to_id = NULL', ['assigned_to_id = ?', id]
    Journal.update_all ['user_id = ?', substitute.id], ['user_id = ?', id]
    JournalDetail.update_all ['old_value = ?', substitute.id.to_s], ["property = 'attr' AND prop_key = 'assigned_to_id' AND old_value = ?", id.to_s]
    JournalDetail.update_all ['value = ?', substitute.id.to_s], ["property = 'attr' AND prop_key = 'assigned_to_id' AND value = ?", id.to_s]
    Message.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
    News.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
    # Remove private queries and keep public ones
    ::Query.delete_all ['user_id = ? AND is_public = ?', id, false]
    ::Query.update_all ['user_id = ?', substitute.id], ['user_id = ?', id]
    TimeEntry.update_all ['user_id = ?', substitute.id], ['user_id = ?', id]
    Token.delete_all ['user_id = ?', id]
    Watcher.delete_all ['user_id = ?', id]
    WikiContent.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
    WikiContent::Version.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
  end

  # Return password digest
  def self.hash_password(clear_password)
    Digest::SHA1.hexdigest(clear_password || "")
  end

  # Returns a 128bits random salt as a hex string (32 chars long)
  def self.generate_salt
    Redmine::Utils.random_hex(16)
  end


  private
  def sync_gitlab_user
    user = self
    g = Gitlab.client
    u = g.get("/users?search=#{user.mail}").first
    unless u
      u = g.create_user(user.mail, user.password, name: user.show_name, username: user.login, confirm: "true")
      self.gid = u.id
      puts "create user #{user.login}"
    end
  end

  def create_user_ealasticsearch_index
    if self.id != 2 && self.id != 4
      self.__elasticsearch__.index_document if Rails.env.production?
    end
  end
  def update_user_ealasticsearch_index
    if self.id != 2 && self.id != 4
      self.__elasticsearch__.update_document if Rails.env.production?
    end
  end
  def delete_user_ealasticsearch_index
    if self.id != 2 && self.id != 4
      self.__elasticsearch__.delete_document if Rails.env.production?
    end
  end

  def self.create_with_ecoder!(info)
    user = User.find_by_phone(info["mobile"])

    # 如果手机号存在，则直接绑定用户
    # 因为手机号可以取回密码，所以可以视为同一用户
    unless user 
      user = User.new
      user.admin = false
      user.login = "ecoder_" + info["mobile"]

      user.phone = info["mobile"]

      unless User.find_by_mail(info["email"])
        user.mail = info["email"]
      end
      user.nickname = info["username"]


      user.activate
      user.last_login_on = Time.now

      user.ecoder_user_id = info["userid"]

      user.save!(:validate => false)


      UserStatus.create!(:user_id => user.id, :changsets_count => 0, :watchers_count => 0)

      ue = user.user_extensions ||= UserExtensions.new
      ue.user_id = user.id
      ue.save!
    end

    user
  end

end

class AnonymousUser < User
  validate :validate_anonymous_uniqueness, :on => :create

  def validate_anonymous_uniqueness
    # There should be only one AnonymousUser in the database
    errors.add :base, 'An anonymous user already exists.' if AnonymousUser.exists?
  end

  def available_custom_fields
    []
  end

  # Overrides a few properties
  def logged?; false end
  def admin; false end
  def name(*args); I18n.t(:label_user_anonymous) end
  def mail; nil end
  def time_zone; nil end
  def rss_key; nil end

  def pref
    UserPreference.new(:user => self)
  end

  # def member_of?(project)
    # false
  # end

  # Anonymous user can not be destroyed
  def destroy
    false
  end

end

# Delete the previous articles index in Elasticsearch
# User.__elasticsearch__.client.indices.delete index: User.index_name rescue nil
#
# # Create the new index with the new mapping
# User.__elasticsearch__.client.indices.create \
#   index: User.index_name,
#   body: { settings: User.settings.to_hash, mappings: User.mappings.to_hash }

# Index all article records from the DB to Elasticsearch
# 匿名用户 角色 和 管理员角色不能被索引
#User.where('id not in (2,4)').import :force=>true