#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.

class UsersController < ApplicationController

  layout :setting_layout
  #Added by young
  before_filter :auth_login1, :only => [:show, :user_activities, :user_newfeedback]
  before_filter :logged_user_by_apptoken, :only => [:show,:user_newfeedback]
  menu_item :activity
  menu_item :user_information, :only => :info
  menu_item :user_course, :only => :user_courses
  menu_item :user_homework, :only => :user_homeworks
  menu_item :user_project, :only => [:user_projects, :watch_projects]
  menu_item :requirement_focus, :only => :watch_contests
  menu_item :user_newfeedback, :only => :user_newfeedback
  menu_item :user_messages, :only => :user_messages


  #
  before_filter :can_show_course, :only => [:user_courses,:user_homeworks]
  before_filter :find_user, :only => [:user_fanslist, :user_watchlist, :show, :edit, :update, :destroy, :edit_membership, :user_courses,
                                      :user_homeworks, :destroy_membership, :user_activities, :user_projects, :user_newfeedback, :user_comments,
                                      :watch_contests, :info, :watch_projects, :show_score, :topic_score_index, :project_score_index,
                                      :activity_score_index, :influence_score_index, :score_index,:show_new_score, :topic_new_score_index, :project_new_score_index,
                                      :activity_new_score_index, :influence_new_score_index, :score_new_index,:user_projects_index,:user_resource,
                                      :user_courses4show,:user_projects4show,:user_course_activities,:user_project_activities,:user_feedback4show,:user_visitorlist,:user_messages,:edit_brief_introduction,
                                      :user_import_homeworks,:user_search_homeworks,:user_import_resource, :user_system_messages]
  before_filter :auth_user_extension, only: :show
  #before_filter :rest_user_score, only: :show
  #before_filter :select_entry, only: :user_projects
  accept_api_auth :index, :show, :create, :update, :destroy,:tag_save  , :tag_saveEx

  #william
  before_filter :require_login, :only => [:tag_save,:tag_saveEx]
  #before_filter :refresh_changests, :only =>[:user_activities,:user_courses,:user_projects,:user_newfeedback]


  #visitor
  before_filter :recorded_visitor, :only => [:show,:user_fanslist,:user_watchlist,:user_visitorlist]

  helper :sort
  include SortHelper
  helper :custom_fields
  include CustomFieldsHelper
  include AvatarHelper
  include WordsHelper
  include GitlabHelper
  include UserScoreHelper

  include PollHelper
  helper :user_score
  helper :journals

  # added by liuping 关注 

  helper :watchers
  helper :activities

  ### added by william
  include ActsAsTaggableOn::TagsHelper

  #  fq
  helper :words
  helper :project_score
  helper :issues
  include UsersHelper

  def refresh_changests
    if !(@user.nil?) && !(@user.memberships.nil?)
      @user.memberships.each do |member|
        unless member.project.nil?
          member.project.repository.fetch_changesets if Setting.autofetch_changesets?
        end
      end
    end
  end

  # 用户消息
  # 说明： homework 发布作业；message：讨论区； news：新闻； poll：问卷；works_reviewers：作品评阅；works_reply:作品回复
  # issue：问题；journal：缺陷状态更新； forum：公共贴吧: user_feedback: 用户留言; new_reply:新闻回复（comment）
  def user_messages
    if !User.current.logged?
      redirect_to signin_url
      return
    elsif @user != User.current && !User.current.admin?
     return render_403
    end
    # 初始化/更新 点击按钮时间
    # 24小时内显示系统消息
    update_onclick_time
    # 全部设为已读
    if params[:viewed] == "all"
      update_message_viewed(@user)
    end
    # @new_message_count = forge_querys.count + forum_querys.count + course_querys.count + user_querys.count
    case params[:type]
      when nil
        @message_alls = []
        messages = MessageAll.where("user_id =?" ,@user).order("created_at desc")
        messages.each do |message_all|
          @message_alls << message_all.message
        end
      when 'unviewed'
        @message_alls = []
        messages = MessageAll.where("user_id =?", @user).order("created_at desc")
        messages.each do |message_all|
          # 在点击或者刷新消息列表后未读的消息存放在数组
          if message_all.message.viewed == 0
            @message_alls << message_all.message
          end
        end
      # when 'system_messages'
      #   @message_alls = SystemMessage.order("created_at desc").all
      when 'apply'
        @message_alls = ForgeMessage.where("forge_message_type =? and user_id =?" , "AppliedProject", @user).order("created_at desc")
      when 'homework'
        @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "HomeworkCommon", @user).order("created_at desc")
      when 'course_message'
        @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "Message", @user).order("created_at desc")
      # when 'forge_message'
      #   @message_alls = ForgeMessage.where("forge_message_type =? and user_id =?", "Message", @user).order("created_at desc")
      #   @message_alls_count = @message_alls.count
      when 'course_news'
        # 课程通知包含发布的通知和回复的通知
        @message_alls = CourseMessage.where("course_message_type =? or course_message_type =?", "News", "Comment").where("user_id =?", @user).order("created_at desc")
      #@user_course_messages_count = @user_course_messages.count
      # when 'forge_news'
      #   @message_alls = ForgeMessage.where("forge_message_type =? and user_id =?", "News", @user).order("created_at desc")
      #   @message_alls_count = @message_alls.count
      # when 'course_news_reply'
      #   @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "Comment", @user).order("created_at desc")
      # when 'forge_news_reply'
      #   @message_alls = ForgeMessage.where("forge_message_type =? and user_id =?", "Comment", @user).order("created_at desc")
      #   @message_alls_count = @message_alls.count
      # when 'poll'
      #   @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "Poll", @user).order("created_at desc")
      #   @message_alls_count = @message_alls.count
      # when 'works_reviewers'
      #   @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "StudentWorksScore", @user).order("created_at desc")
      #   @message_alls_count = @message_alls.count
      # when 'works_reply'
      #   @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "JournalsForMessage", @user).order("created_at desc")
      #   @message_alls_count = @message_alls.count
      when 'issue'
        @message_alls = ForgeMessage.where("forge_message_type =? or forge_message_type =?" , "Issue", "Journal").where("user_id=?", @user).order("created_at desc")
      # when 'issue_update' # 缺陷状态更新、留言
      #   @message_alls = ForgeMessage.where("forge_message_type =? and user_id =?", "Journal", @user).order("created_at desc")
      #   @message_alls_count = @message_alls.count
      when 'forum'
        @message_alls = MemoMessage.where("memo_type =? and user_id =?", "Memo", @user).order("created_at desc")
      when 'user_feedback'
        @message_alls = UserFeedbackMessage.where("journals_for_message_type =? and user_id =?", "JournalsForMessage", @user).order("created_at desc")
      else
        render_404
        return
    end
    @message_alls = paginateHelper @message_alls,25
    respond_to do |format|
      format.html{render :layout=>'new_base_user'}
    end
  end

  # 初始化/更新 点击按钮时间
  def update_onclick_time
    # 记录当前点击按钮的时间
    # 考虑到用户未退出刷新消息页面
    message_time = OnclickTime.where("user_id =?", User.current).first
    if message_time.nil?
      message_new_time = OnclickTime.new
      message_new_time.user_id = User.current.id
      message_new_time.onclick_time = Time.now
      message_new_time.save
    else
      # 24小时内显示
      contrast_time = Time.now - 86400
      message_time.update_attributes(:onclick_time => Time.now)
    end
    # 24小时内显示系统消息
    @user_system_messages = SystemMessage.where("created_at >?", contrast_time).order("created_at desc")
  end

  # 消息设置为已读
  def update_message_viewed(user)
    course_querys = CourseMessage.where("user_id =? and viewed =?", user, 0)
    forge_querys = ForgeMessage.where("user_id =? and viewed =?", user, 0)
    user_querys = UserFeedbackMessage.where("user_id =? and viewed =?", user, 0)
    forum_querys = MemoMessage.where("user_id =? and viewed =?", user, 0)
    if User.current.id == @user.id
      course_querys.update_all(:viewed => true)
      forge_querys.update_all(:viewed => true)
      user_querys.update_all(:viewed => true)
      forum_querys.update_all(:viewed => true)
    end
  end

  # 系统消息
  def user_system_messages
    @sytem_messages = SystemMessage.order("created_at desc").all
    @sytem_messages = paginateHelper @sytem_messages, 10
    respond_to do |format|
      format.html{render :layout=>'new_base_user'}
    end
  end

  def user_projects_index
    if User.current.admin?
      memberships = @user.memberships.all(conditions: "projects.project_type = #{Project::ProjectType_project}").first
    else
      cond = Project.visible_condition(User.current) + " AND projects.project_type <> 1"
      memberships = @user.memberships.all(:conditions => cond).first
    end
    watch_projects = Project.joins(:watchers).where("project_type <>? and watchable_type = ? and `watchers`.user_id = ?", '1','Project', @user.id).first
    if memberships.nil? && watch_projects
      redirect_to(:watch_projects_user) and return
    else
      redirect_to(:user_projects_user) and return
    end
  end

  #added by young
  def user_projects
    unless User.current.admin?
      if !@user.active? #|| (@user != User.current  && @memberships.empty? && events.empty?)
        render_404
        return
      end
    end
    projects = @user.projects.visible.select("projects.*,(SELECT MAX(created_at)  FROM `forge_activities` WHERE forge_activities.project_id = projects.id) AS a").order("a desc")
    if(params[:status] == '1')
      projects = projects.where("projects.user_id = ?",@user.id)
    elsif(params[:status] == '2')
      projects = projects.where("projects.user_id <> ?",@user.id)
    end
    @list = paginateHelper projects,10
    @params = params[:status]
    respond_to do |format|
      format.html{render :layout=>'base_users_new'}
      format.api
    end
  end

# added by bai
  def show_score

  end

  def show_new_score
    render :layout => 'users_base'
  end
# end

##added by fq
  def watch_bids
    # cond = 'bids.reward_type <> 1'
    # @bids = Bid.watched_by(@user).where('reward_type = ?', 1) # added by huang
    # @offset, @limit = api_offset_and_limit({:limit => 10})
    # @bid_count = @bids.count
    # @bid_pages = Paginator.new @bid_count, @limit, params['page']
    # @offset ||= @bid_pages.reverse_offset
    # unless @offset == 0
    #   @bid = @bids.offset(@offset).limit(@limit).all.reverse
    # else
    #   limit = @bid_count % @limit
    #   @bid = @bids.offset(@offset).limit(limit).all.reverse
    # end
    #
    # respond_to do |format|
    #   format.html {
    #     render :layout => 'base_users'
    #   }
    #   format.api
    # end
  end

#new add by linchun
  def watch_contests
    @bids = Contest.watched_by(@user)
    @offset, @limit = api_offset_and_limit({:limit => 10})
    @contest_count = @contests.count
    @contest_pages = Paginator.new @contest_count, @limit, params['page']
    @offset ||= @contest_pages.reverse_offset
    unless @offset == 0
      @contest = @contests.offset(@offset).limit(@limit).all.reverse
    else
      limit = @bid_count % @limit
      @contest = @contests.offset(@offset).limit(limit).all.reverse
    end

    respond_to do |format|
      format.html {
        render :layout => 'base_users'
      }
      format.api
    end
  end

  #  added by fq
  def user_activities
    redirect_to user_url(@user, type: params[:type], page: params[:page])
    return
    # useless abort.
    @watcher = User.watched_by_id(@user)
    events = []
    for user in @watcher
      events << Redmine::Activity::Fetcher.new(User.current, :author => @user).events(nil, nil, :limit => 30)
    end



    @events_by_day = events.group_by(&:event_date)

    unless User.current.admin?
      if !@user.active? || (@user != User.current  && @memberships.empty? && events.empty?)
        render_404
        return
      end
    end

    respond_to do |format|
      format.html
      format.api
    end
  end
  # end

  #用户作业列表
  def user_homeworks
    if User.current == @user
      @page = params[:page] ? params[:page].to_i + 1 : 0
      user_course_ids =  @user.courses.empty? ? "(-1)" :"(" + @user.courses.visible.map{|course| course.id}.join(",") + ")"
      @homework_commons = HomeworkCommon.where("course_id in #{user_course_ids}").order("created_at desc").limit(10).offset(@page * 10)
      @is_teacher = User.current.user_extensions && User.current.user_extensions.identity == 0 && User.current.allowed_to?(:add_course, nil, :global => true)
      respond_to do |format|
        format.js
        format.html {render :layout => 'new_base_user'}
      end
    else
      render_403
    end
  end

  #导入作业
  def user_import_homeworks
    @user_homeworks = HomeworkCommon.where(:user_id => @user.id).order("created_at desc")
    respond_to do |format|
      format.js
    end
  end

  #用户主页过滤作业
  def user_search_homeworks
    @user_homeworks = HomeworkCommon.where("user_id = '#{@user.id}' and lower(name) like '%#{params[:name].to_s.downcase}%'").order("created_at desc")
    respond_to do |format|
      format.js
    end
  end

  #导入作业，确定按钮
  def user_select_homework
    homework = HomeworkCommon.find_by_id params[:checkMenu]
    homework_detail_programing = homework.homework_detail_programing
    @homework = HomeworkCommon.new
    if homework
      @homework.name = homework.name
      @homework.description = homework.description
      @homework.end_time = homework.end_time
      @homework.homework_type = homework.homework_type
      @homework.course_id = homework.course_id
      homework.attachments.each do |attachment|
        att = attachment.copy
        att.container_id = nil
        att.container_type = nil
        att.copy_from = attachment.id
        att.save
        @homework.attachments << att
      end

      if homework_detail_programing
        @homework.homework_detail_programing = HomeworkDetailPrograming.new
        @homework_detail_programing = @homework.homework_detail_programing
        @homework_detail_programing.ta_proportion = homework_detail_programing.ta_proportion
        @homework_detail_programing.language = homework_detail_programing.language
        homework.homework_tests.each_with_index do |homework_test|
          @homework.homework_tests << HomeworkTest.new(
              input: homework_test.input,
              output: homework_test.output
          )
        end
      end
    end
    respond_to do |format|
      format.js
    end
  end

  def new_user_commit_homework
    if User.current.logged?
      @user = User.current
      @homework = HomeworkCommon.find(params[:homework_id])
      @is_test = params[:is_test] == 'true'
      @student_work = StudentWork.where(homework_common_id: @homework.id, user_id: User.current.id).first
      if @student_work.nil?
        @student_work = StudentWork.new
      end
      respond_to do |format|
        format.js
        format.html {render :layout => 'new_base_user'}
      end
    else
      render_403
    end
  end

  #修改编程作业
  def edit_user_commit_homework
    if User.current.logged?

      respond_to do |format|
        format.js
        format.html {render :layout => 'new_base_user'}
      end
    else
      render_403
    end
  end

  def user_commit_homework
    homework = HomeworkCommon.find(params[:homework])
    student_work = StudentWork.where(homework_common_id: homework.id, user_id: User.current.id).first
    if student_work

      #提交作品时，计算是否迟交
      if Time.parse(homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(Time.now.to_s).strftime("%Y-%m-%d")
        student_work.late_penalty = 1
      else
        student_work.late_penalty = 0
      end

      student_work.save
      flash[:notice] = l(:notice_successful_create)
      redirect_to student_work_index_url(:homework => params[:homework])
    else 
      render_403
    end
  end

  def user_new_homework
    if User.current.logged?
      if params[:homework_common]
        homework = HomeworkCommon.new
        homework.name = params[:homework_common][:name]
        homework.description = params[:homework_common][:description]
        homework.end_time = params[:homework_common][:end_time] || Time.now
        homework.publish_time = Time.now
        homework.homework_type = params[:homework_type].to_i || 1
        homework.late_penalty = 10
        homework.teacher_priority = 1
        homework.user_id = User.current.id
        homework.course_id = params[:course_id]

        homework.save_attachments(params[:attachments])
        render_attachment_warning_if_needed(homework)

        homework_detail_manual = HomeworkDetailManual.new
        homework_detail_manual.ta_proportion = homework.homework_type == 1 ? 0.6 : 0.3
        homework_detail_manual.comment_status = 1
        homework_detail_manual.evaluation_start = params[:evaluation_start].blank? ? homework.end_time + 7 : params[:evaluation_start]
        homework_detail_manual.evaluation_end = params[:evaluation_end].blank? ? homework_detail_manual.evaluation_start + 7 : params[:evaluation_end]
        homework_detail_manual.evaluation_num = params[:evaluation_num] || 3
        homework_detail_manual.absence_penalty = 5
        homework.homework_detail_manual = homework_detail_manual

        #编程作业相关属性
        if homework.homework_type == 2
          homework_detail_programing = HomeworkDetailPrograming.new
          homework.homework_detail_programing = homework_detail_programing
          homework_detail_programing.ta_proportion = 0.5
          homework_detail_programing.language = params[:language_type].to_i

          inputs = params[:program][:input]
          if Array === inputs
            inputs.each_with_index do |val, i|
              homework.homework_tests << HomeworkTest.new(
                  input: val,
                  output: params[:program][:output][i]
              )
            end
          end

        end

        if homework.save
          homework_detail_manual.save if homework_detail_manual
          homework_detail_programing.save if homework_detail_programing
          redirect_to user_homeworks_user_path(User.current.id)
        end
      end
    else
      render_403
    end
  end

  #用户从资源库导入资源到作业
  def user_import_resource
    @user = User.current
    user_course_ids = @user.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源
    @attachments = Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                        "or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
    @type = params[:type]
    @homework_id = params[:homework_id]
    @limit = 7
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,7
    respond_to do |format|
      format.js
    end
  end

  #引入资源列表根据类型过滤
  def user_resource_type
    if User.current.id.to_i != params[:id].to_i
      render_403
      return
    end
    if(params[:type].blank? || params[:type] == "1") #全部
      user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源
      @attachments = Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                          "or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
    elsif params[:type] == "2" #课程资源
      user_course_ids = User.current.courses.map { |c| c.id}
      @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) ").order("created_on desc")
    elsif params[:type] == "3" #项目资源
      @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Project'").order("created_on desc")
    elsif params[:type] == "4" #附件
      @attachments = Attachment.where("author_id = #{params[:id]} and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
    elsif params[:type] == "5" #用户资源
      @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Principal'").order("created_on desc")
    end
    @type = params[:type]
    @limit = 7
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,7
    respond_to do |format|
      format.js
    end
  end


  #引入资源列表根据关键词过滤
  def user_ref_resource_search
    search = params[:search].to_s.strip.downcase
    if(params[:type].blank? || params[:type] == "1") #全部
      user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源 取交集并查询
      @attachments = Attachment.where("((author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                          " or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))) and (filename like '%#{search}%') ").order("created_on desc")
    elsif params[:type] == "2" #课程资源
      user_course_ids = User.current.courses.map { |c| c.id}
      @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) and (filename like '%#{search}%') ").order("created_on desc")
    elsif params[:type] == "3" #项目资源
      @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Project'  and (filename like '%#{search}%')").order("created_on desc")
    elsif params[:type] == "4" #附件
      @attachments = Attachment.where("author_id = #{params[:id]} and container_type in('Project','Issue','Document','Message','News','StudentWorkScore','HomewCommon')  and (filename like '%#{search}%')").order("created_on desc")
    elsif params[:type] == "5" #用户资源
      @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Principal' and (filename like '%#{search}%')").order("created_on desc")
    end
    @type = params[:type]
    @limit = 7
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,7
    respond_to do |format|
      format.js
    end
  end

  #将资源批量引入
  def import_resources_to_homework
    @attachments = []
    unless  params[:checkbox1].nil? || params[:checkbox1].blank?
      params[:checkbox1].each do  |id|
        atta = Attachment.find(id)
        att_copy = atta.copy
        att_copy.container_id = nil
        att_copy.container_type = nil
        att_copy.author_id = User.current.id
        att_copy.copy_from = atta.id
        att_copy.save
        @attachments << att_copy
      end
    end
    respond_to do |format|
      format.js
    end
  end


  include CoursesHelper
  def user_courses

    unless User.current.admin?
      if !@user.active?
        render_404
        return
      end
    end
    courses = @user.courses.visible.select("courses.*,(SELECT MAX(created_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS a").order("a desc")
    if(params[:status] == '1')
      courses = courses.where("endup_time >= ? or endup_time is null or endup_time=''",Time.now)
    elsif(params[:status] == '2')
      courses = courses.where("endup_time < ?",Time.now)
    end
    @list = paginateHelper courses,10
    @params = params[:status]
    render :layout=>'base_users_new'
  end

# modified by fq
  def user_newfeedback
    unless User.current.logged?
      redirect_to signin_url
      return
    end
    # 自己访问自己的页面才更新消息状态
    if User.current == @user
      journals_messages =  UserFeedbackMessage.where("user_id =? and journals_for_message_type =? and viewed =?", User.current.id, "JournalsForMessage", 0)
      journals_messages.each do |journals_message|
        journals_message.update_attributes(:viewed => true)
      end
    end
    # end
    jours = @user.journals_for_messages.where('m_parent_id IS NULL').order('created_on DESC')
    if User.current == @user
      jours.update_all(:is_readed => true, :status => false)
      jours.each do |journal|
        fetch_user_leaveWord_reply(journal).update_all(:is_readed => true, :status => false)
      end
    end
    @jour = paginateHelper jours,10
    @state = false
    render :layout=>'new_base_user'
  end

  def user_comments

  end

  #end
  def index

    @status = params[:status] || 1
    sort_init 'login', 'asc'
    sort_update %w(login firstname lastname mail admin created_on last_login_on)

    case params[:format]
      when 'xml', 'json'
        @offset, @limit = api_offset_and_limit({:limit => 15})
      else
        @limit = 15
    end

    # retrieve all users
    # 先内连一下statuses 保证排序之后数量一致
    scope = User.visible.
        joins("INNER JOIN user_statuses ON users.id = user_statuses.user_id")

    # unknow
    scope = scope.in_group(params[:group_id]) if params[:group_id].present?

    # pagination
    @user_count = scope.count
    @user_pages = Paginator.new @user_count, @limit, params['page']

    # users classify
    case params[:user_sort_type]
      when '0'
        # 创建时间排序
        @s_type = 0
        @users = scope.reorder('users.created_on DESC')
      when '1'
        # 活跃度排序, 就是所谓的得分情况
        @s_type = 1
        @users = scope.
            joins("LEFT JOIN option_numbers ON users.id = option_numbers.user_id and option_numbers.score_type = 1").
            reorder('option_numbers.total_score DESC')
      when '2'
        # 粉丝数排序
        @s_type = 2
        @users = scope.
            #joins("INNER JOIN user_statuses ON users.id = user_statuses.user_id").
            reorder('user_statuses.watchers_count DESC')

      else
        # 默认活跃度排序
        @s_type = 1
        @users = scope.
            joins("LEFT JOIN option_numbers ON users.id = option_numbers.user_id and option_numbers.score_type = 1").
            reorder('option_numbers.total_score DESC')
    end

    # limit and offset
    @users = @users.limit(@user_pages.per_page).offset(@user_pages.offset)

    @user_base_tag = params[:id] ? 'base_users':'users_base'
    respond_to do |format|
      format.html {
        @groups = Group.all.sort
        User.current.admin? ? (render :layout => @user_base_tag) : (render_404)
      }
      format.api
    end
  end

  def search
    sort_init 'login', 'asc'
    sort_update %w(login firstname lastname mail admin created_on last_login_on)
    (redirect_to user_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank?
    case params[:format]
      when 'xml', 'json'
        @offset, @limit = api_offset_and_limit({:limit => 15})
      else
        @limit = 15#per_page_option
    end
    #
    #@status = params[:status] || 1
    #has = {
    #  "show_changesets" => true
    #}
    #   scope = User.logged.status(@status)
    #   @search_by = params[:search_by] ? params[:search_by][:id] : 0
    #   scope = scope.like(params[:name],@search_by) if params[:name].present?
    @search_by = params[:search_by] ? params[:search_by] : 0

    us = UsersService.new
    scope = us.search_user params
    @user_count = scope.count
    @user_pages = Paginator.new @user_count, @limit, params['page']
    @user_base_tag = params[:id] ? 'base_users':'users_base'
    @offset ||= @user_pages.reverse_offset
    unless @offset == 0
      @users = scope.offset(@offset).limit(@limit).all.reverse
    else
      limit = @user_count % @limit
      if limit == 0
        limit = @limit
      end
      @users = scope.offset(@offset).limit(limit).all.reverse
    end
    @name = params[:name]
    @type = 'users'
    respond_to do |format|
      format.html {
        @groups = Group.all.sort
        render :layout => @user_base_tag
      }
      format.api
    end
  end

  #显示更多用户课程
  def user_courses4show
    @page = params[:page].to_i + 1
    @courses = @user.courses.visible.select("courses.*,(SELECT MAX(created_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS a").order("a desc").limit(5).offset(@page * 5)
  end

  #显示更多用户项目
  def user_projects4show
    @page = params[:page].to_i + 1
    @projects = @user.projects.visible.select("projects.*,(SELECT MAX(created_at)  FROM `forge_activities` WHERE forge_activities.project_id = projects.id) AS a").order("a desc").limit(5).offset(@page * 5)
  end

  def user_course_activities
    lastid = nil
    if params[:lastid]!=nil && !params[:lastid].empty?
      lastid = params[:lastid];
    end

    user_ids = []
    if @user == User.current
      watcher = User.watched_by(@user)
      watcher.push(User.current)
      user_ids = watcher.map{|x| x.id}
    else
      user_ids << @user.id
    end

    query = Activity.joins("join courses c on c.id=#{Activity.table_name}.activity_container_id and #{Activity.table_name}.activity_container_type='Course'")
    query = query.where("#{Activity.table_name}.user_id in (?)", user_ids)
    if User.current != @user  #看别人
      if @user.user_extensions!=nil && @user.user_extensions.identity == 0 #看老师
        query = query.joins("join members m on c.id=m.course_id and m.user_id = #{@user.id}")
        query = query.joins("join member_roles r on m.id = r.member_id")
        query = query.where("r.role_id in(3,7,9)")
      end
      query = query.where("c.is_public=1")
    end
    if(lastid != nil)
      query = query.where("#{Activity.table_name}.id < ?",lastid)
    end
    query = query.order("#{Activity.table_name}.id desc")
    @list = query_activities(query)

    render :layout=>nil
  end

  def user_project_activities
    lastid = nil
    if params[:lastid]!=nil && !params[:lastid].empty?
      lastid = params[:lastid];
    end

    user_ids = []
    if @user == User.current
      watcher = User.watched_by(@user)
      watcher.push(User.current)
      user_ids = watcher.map{|x| x.id}
    else
      user_ids << @user.id
    end

    query = Activity.joins("join projects c on c.id=#{Activity.table_name}.activity_container_id and #{Activity.table_name}.activity_container_type='Project'")
    query = query.where(user_id: user_ids)
    if User.current != @user  #看别人
      query = query.where("c.is_public=1")
    end
    if(lastid != nil)
      query = query.where("#{Activity.table_name}.id < ?",lastid)
    end
    query = query.order("#{Activity.table_name}.id desc")
    @list = query_activities(query)

    render :action=>'user_course_activities',:layout=>nil
  end

  def user_feedback4show
    query = @user.journals_for_messages
    if params[:lastid]!=nil && !params[:lastid].empty?
      query = query.where("#{JournalsForMessage.table_name}.id < ?",params[:lastid])
    end
    logger.info('xxoo')
    @list = query.order("#{JournalsForMessage.table_name}.id desc").limit(3).all
    logger.info('aavv')
    render :layout=>nil,:locals => {:feed_list=>@list}
  end

  def show
    @page = params[:page] ? params[:page].to_i + 1 : 0
    user_project_ids = @user.projects.visible.empty? ? "(-1)" : "(" + @user.projects.visible.map{|project| project.id}.join(",") + ")"
    user_course_ids = @user.courses.visible.empty? ? "(-1)" : "(" + @user.courses.visible.map{|course| course.id}.join(",") + ")"
    course_types = "('Message','News','HomeworkCommon','Poll')"
    project_types = "('Message','Issue')"
    if params[:type].present?
      case params[:type]
        when "course_homework"
          @user_activities = UserActivity.where("container_type = 'Course' and container_id in #{user_course_ids} and act_type = 'HomeworkCommon'").order('updated_at desc').limit(10).offset(@page * 10)
        when "course_news"
          @user_activities = UserActivity.where("container_type = 'Course' and container_id in #{user_course_ids} and act_type = 'News'").order('updated_at desc').limit(10).offset(@page * 10)
        when "course_message"
          @user_activities = UserActivity.where("container_type = 'Course' and container_id in #{user_course_ids} and act_type = 'Message'").order('updated_at desc').limit(10).offset(@page * 10)
        when "course_poll"
          @user_activities = UserActivity.where("container_type = 'Course' and container_id in #{user_course_ids} and act_type = 'Poll'").order('updated_at desc').limit(10).offset(@page * 10)
        when "project_issue"
          @user_activities = UserActivity.where("container_type = 'Project' and container_id in #{user_project_ids} and act_type = 'Issue'").order('updated_at desc').limit(10).offset(@page * 10)
        when "project_message"
          @user_activities = UserActivity.where("container_type = 'Project' and container_id in #{user_project_ids} and act_type = 'Message'").order('updated_at desc').limit(10).offset(@page * 10)
        when "current_user"
          @user_activities = UserActivity.where("user_id = #{@user.id} and ((container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types}))").order('updated_at desc').limit(10).offset(@page * 10)
        else
          @user_activities = UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types})").order('updated_at desc').limit(10).offset(@page * 10)
      end
    else
      @user_activities = UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types})").order('updated_at desc').limit(10).offset(@page * 10)
    end
    # @user_activities = paginateHelper @user_activities,500
    @type = params[:type]
    respond_to do |format|
      format.js
      format.html {render :layout => 'new_base_user'}
    end
  end

  def show_old
    pre_count = 10 #limit
    # Time 2015-02-04 11:46:34
    # Author lizanle
    # Description type 1 :所有动态包括我关注的人 type 2:我的动态 type 3:关于我的回复
    case params[:type]
      when "1"
        if @user == User.current
          activity = Activity.where('user_id = ?', User.current.id).order('id desc')
          @activity_count = activity.count
          @activity_pages = Paginator.new @activity_count, pre_count, params['page']
          @activity = activity.offset(@activity_pages.offset).limit(@activity_pages.per_page).all
          @state = 1
        end
      when "2"
        message = []
        if @user == User.current
          message = JournalsForMessage.reference_message(@user.id)
          message += Journal.reference_message(@user.id)
        end
        @activity_count = message.size
        @info_pages = Paginator.new @activity_count, pre_count, params['page']
        messages = message.sort {|x,y| y.created_on <=> x.created_on }
        @message = messages[@info_pages.offset, @info_pages.per_page]
        @state = 2
      else
        # Time 2015-02-04 10:50:49
        # Author lizanle
        # Description 所有动态
        where_condition = nil;
        # where_condition = "act_type <> 'JournalsForMessage'"
        user_ids = []
        if @user == User.current
          watcher = User.watched_by(@user)
          watcher.push(User.current)
          user_ids = watcher.map{|x| x.id}
        else
          user_ids << @user.id
        end
        activity = Activity.where(where_condition).where(user_id: user_ids).order('id desc')

        permission = !User.current.admin?
        if permission
          #Issue
          act_ids = activity.where(act_type: 'Issue').select('act_id').map{|x| x.act_id}
          project_ids = Issue.where(id: act_ids).select('distinct project_id').map{|x| x.project_id}
          p_ids = []
          Project.where(id: project_ids).each do |x|
            p_ids << x.id unless x.visible?(User.current)
          end
          ids = []
          ids << Issue.where(id: act_ids, project_id: p_ids).map{|x| x.id}

          #HomeworkCommon
          act_ids = activity.where(act_type: 'HomeworkCommon').select('act_id').map{|x| x.act_id}
          course_ids = HomeworkCommon.where(id: act_ids).select('distinct course_id').map{|x| x.course_id}
          c_ids = []
          Course.where(id: course_ids).each do |x|
            c_ids << x.id unless x.is_public !=0 && User.current.member_of_course?(x)
          end
          ids << HomeworkCommon.where(id: act_ids, course_id: c_ids).map{|x| x.id}

          #Journal
          act_ids = activity.where(act_type: 'Journal').select('act_id').map{|x| x.act_id}
          project_ids =  Journal.where(id:act_ids, journalized_type: 'Project').select('distinct journalized_id').map{|x| x.journalized_id}
          p_ids = []
          Project.where(id: project_ids).each do |x|
            p_ids << x.id unless x.visible?(User.current)
          end
          ids << Journal.where(id: act_ids, journalized_id: p_ids, journalized_type: 'Project').map{|x| x.id}

          #News
          act_ids = activity.where(act_type: 'News').select('act_id').map{|x| x.act_id}
          project_ids = News.where(id: act_ids).select('distinct project_id').map{|x| x.project_id}
          p_ids = []
          Project.where(id: project_ids).each do |x|
            p_ids << x.id unless x.visible?(User.current)
          end
          ids << News.where(id: act_ids, project_id: p_ids).map{|x| x.id}

          project_ids = News.where(id: act_ids).select('distinct course_id').map{|x| x.course_id}
          c_ids = []
          Course.where(id: project_ids).each do |x|
            c_ids << x.id unless x.is_public !=0 && User.current.member_of_course?(x)
          end
          ids << News.where(id: act_ids, course_id: p_ids).map{|x| x.id}

          #Message
          act_ids = activity.where(act_type: 'Message').select('act_id').map{|x| x.act_id}
          board_ids = Message.where(id: act_ids).select('distinct board_id').map{|x| x.board_id}
          project_ids = Board.where(id: board_ids).select('distinct project_id').map{|x| x.project_id}
          p_ids = []
          Project.where(id: project_ids).each do |x|
            p_ids << x.id unless x.visible?(User.current)
          end
          ids << Message.where(id: act_ids, board_id: p_ids).map{|x| x.id}

          project_ids = Board.where(id: board_ids).select('distinct course_id').map{|x| x.course_id}
          c_ids = []
          Course.where(id: project_ids).each do |x|
            c_ids << x.id unless x.is_public !=0 && User.current.member_of_course?(x)
          end
          ids << Message.where(id: act_ids, board_id: c_ids).map{|x| x.id}

          logger.debug "filter ids #{ids}"

          activity = activity.where('act_id not in (?)', ids.flatten ).order('id desc') unless ids.flatten.empty?
        end

        # activity = activity.reject { |e|
        #       e.act.nil? ||
        #       (!User.current.admin? && !e.act.nil?
        #       (((e.act_type == "Issue") && !e.act.project.visible?(User.current)) ||
        #           (e.act_type == "Bid" && !e.act.courses.first.nil? && e.act.courses.first.is_public == 0 && !User.current.member_of_course?(e.act.courses.first)) ||
        #           (e.act_type == "Journal" && e.act.respond_to?("Project") && !e.act.project.visible?(User.current)) ||
        #           (e.act_type == "News" && ((!e.act.project.nil? && !e.act.project.visible?(User.current)) || (!e.act.course.nil? && e.act.course.is_public == 0 && !User.current.member_of_course?(e.act.course)))) ||
        #           (e.act_type == "Message" && !e.act.board.nil? && ((!e.act.board.project.nil? && !e.act.board.project.visible?(User.current)) || (!e.act.board.course.nil? && e.act.board.course.is_public == 0 && !User.current.member_of_course?(e.act.board.course))))))
        # }
        #

        @activity_count = activity.count
        @activity_pages = Paginator.new @activity_count, pre_count, params['page']
        @activity = activity.slice(@activity_pages.offset,@activity_pages.per_page)
        @state = 0
    end

    if params[:user].present?

      user_temp = User.find_by_sql("select id from users where concat(lastname,firstname) like '%#{params[:user]}%' or lastname like '%#{params[:user]}%'")

      if user_temp.size > 1
        activity = Activity.where('user_id in (?)', user_temp).where('user_id in (?)', watcher).order('id desc')
      elsif user_temp.size == 1
        activity = Activity.where('user_id = ?', user_temp).where('user_id in (?)', watcher).order('id desc')
      else
        activity = Activity.where("1 = 0")
      end
      @offset, @limit = api_offset_and_limit({:limit => 10})
      @activity_count = activity.count
      @activity_pages = Paginator.new @activity_count, @limit, params['page']
      @offset ||= @activity_pages.offset
      @activity = activity.offset(@offset).limit(@limit)
      @state = 0
    end


#Modified by nie
    unless User.current.admin?
      if !@user.active? #|| (@user != User.current  && @memberships.empty? && events.empty?)
        # redirect_to home_path
        render_404
        return
      end
    end

    respond_to do |format|
      format.html
      format.api
    end
  end

  ##end  fq

  #### added by fq
  def info

    message = []
    if @user == User.current
      message = JournalsForMessage.reference_message(@user.id)
      message += Journal.reference_message(@user.id)
    end
    @offset, @limit = api_offset_and_limit({:limit => 10})
    @info_count = message.size
    @info_pages = Paginator.new @info_count, @limit, params['page']
    @offset ||= @info_pages.offset

    messages = message.sort {|x,y| y.created_on <=> x.created_on }

    @message = messages[@offset, @limit]

    unless User.current.admin?
      if !@user.active?
        render_404
        return
      end
    end

    respond_to do |format|
      format.html
      format.api
    end
  end
  #### end


  def new
    @user = User.new(:language => Setting.default_language, :mail_notification => Setting.default_notification_option)
    @auth_sources = AuthSource.all
    render :layout => "users_base"
  end

  def create
    @user = User.new(:language => Setting.default_language, :mail_notification => Setting.default_notification_option)
    @user.safe_attributes = params[:user]
    @user.admin = params[:user][:admin] || false
    @user.login = params[:user][:login]
    @user.password, @user.password_confirmation = params[:user][:password], params[:user][:password_confirmation] unless @user.auth_source_id

    if @user.save
      @user.pref.attributes = params[:pref]
      @user.pref[:no_self_notified] = (params[:no_self_notified] == '1')
      @user.pref.save
      @user.notified_project_ids = (@user.mail_notification == 'selected' ? params[:notified_project_ids] : [])

      Mailer.run.account_information(@user, params[:user][:password]) if params[:send_information]

      respond_to do |format|
        format.html {
          flash[:notice] = l(:notice_user_successful_create, :id => view_context.link_to(@user.login, user_path(@user)))
          if params[:continue]
            redirect_to new_user_url
          else
            redirect_to edit_user_url(@user)
          end
        }
        format.api  { render :action => 'show', :status => :created, :location => user_url(@user) }
      end
    else
      @auth_sources = AuthSource.all
      # Clear password input
      @user.password = @user.password_confirmation = nil

      respond_to do |format|
        format.html { render :action => 'new',:layout => "users_base" }
        format.api  { render_validation_errors(@user) }
      end
    end

    unless @user.id.nil?
      #后台注册的用户默认权限为男性开发员
      ue = UserExtensions.create(:identity => 3,
                                 :gender => 0,
                                 :user_id => @user.id)
      ue.save
    end
  end

  def edit
    @auth_sources = AuthSource.all
    @membership ||= Member.new
  end

  def watch_projects
    @watch_projects = Project.joins(:watchers).where("project_type <>? and watchable_type = ? and `watchers`.user_id = ?", '1','Project', @user.id)
    @state = 1
    respond_to do |format|
      format.html {
        render :layout => 'base_users'
      }
      format.api
    end
  end

  def update
    @user.admin = params[:user][:admin] if params[:user][:admin]
    @user.login = params[:user][:login] if params[:user][:login]
    if params[:user][:password].present? && (@user.auth_source_id.nil? || params[:user][:auth_source_id].blank?)
      @user.password, @user.password_confirmation = params[:user][:password], params[:user][:password_confirmation]
    end
    @user.safe_attributes = params[:user]
    # Was the account actived ? (do it before User#save clears the change)
    was_activated = (@user.status_change == [User::STATUS_REGISTERED, User::STATUS_ACTIVE])
    # TODO: Similar to My#account
    @user.pref.attributes = params[:pref]
    @user.pref[:no_self_notified] = (params[:no_self_notified] == '1')

    if @user.save
      @user.pref.save
      @user.notified_project_ids = (@user.mail_notification == 'selected' ? params[:notified_project_ids] : [])

      if was_activated
        Mailer.run.account_activated(@user)
      elsif @user.active? && params[:send_information] && !params[:user][:password].blank? && @user.auth_source_id.nil?
        Mailer.run.account_information(@user, params[:user][:password])
      end

      respond_to do |format|
        format.html {
          flash[:notice] = l(:notice_successful_update)
          redirect_to_referer_or edit_user_url(@user)
        }
        format.api  { render_api_ok }
      end
    else
      @auth_sources = AuthSource.all
      @membership ||= Member.new
      # Clear password input
      @user.password = @user.password_confirmation = nil

      respond_to do |format|
        format.html { render :action => :edit }
        format.api  { render_validation_errors(@user) }
      end
    end
  end

  # 上传用户资源
  def user_resource_create
    @user = User.find(params[:id])
    #@user.save_attachments(params[:attachments],User.current)
    # Container_type为Principal
    Attachment.attach_filesex(@user, params[:attachments], params[:attachment_type])
    if(params[:type].blank?|| params[:type] == "1") #全部
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源
        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                            "or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #Ta的资源库的话，应该是他上传的公开资源 加上 他加入的所有我可见课程里的公开资源
        @attachments = Attachment.where("(author_id = #{params[:id]} and is_public = 1 " +
                                            "and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) " +
                                            "or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      end
    elsif params[:type] == "2" #课程资源
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}
        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) ").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #如果课程私有资源，那么要看这个资源的课程是不是在 这个user的所有我可见的课程中
        @attachments = Attachment.where("(author_id = #{params[:id]} and is_public = 1 and container_type = 'Course')"+
                                            "or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      end
    elsif params[:type] == "3" #项目资源
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Project'").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type = 'Project' ").order("created_on desc")
      end
    elsif params[:type] == "4" #附件
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
      end
    elsif params[:type] == "5" #附件
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type ='Principal'").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type ='Principal'").order("created_on desc")
      end
    end
    @type = params[:type] || 1
    @limit = 25
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,25
    respond_to do |format|
      format.js
    end
  end

  # 删除用户资源，分为批量删除 和 单个删除，只能删除自己上传的资源
  def user_resource_delete
    if params[:resource_id].present?
      Attachment.where("author_id = #{User.current.id}").delete(params[:resource_id])
    elsif params[:checkbox1].present?
      params[:checkbox1].each do |id|
        Attachment.where("author_id = #{User.current.id}").delete(id)
      end
    end

    if(params[:type].blank? || params[:type] == "1") #全部
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源
        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                            "or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #Ta的资源库的话，应该是他上传的公开资源 加上 他加入的所有我可见课程里的公开资源
        @attachments = Attachment.where("(author_id = #{params[:id]} and is_public = 1 " +
                                            "and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) " +
                                            "or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      end
    elsif params[:type] == "2" #课程资源
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}
        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) ").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #如果课程私有资源，那么要看这个资源的课程是不是在 这个user的所有我可见的课程中
        @attachments = Attachment.where("(author_id = #{params[:id]} and is_public = 1 and container_type = 'Course')"+
                                            "or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      end
    elsif params[:type] == "3" #项目资源
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Project'").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type = 'Project' ").order("created_on desc")
      end
    elsif params[:type] == "4" #附件
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
      end
    elsif params[:type] == "5" #用户资源
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type ='Principal'").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type ='Principal'").order("created_on desc")
      end
    end
    @type = params[:type]
    @limit = 25
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,25
    respond_to do |format|
      format.js
    end
  end

  #根据id或者名称搜索教师或者助教为当前用户的课程
  def search_user_course
    @user = User.current
    if !params[:search].nil?
      @course = @user.courses.where(" #{Course.table_name}.id = #{params[:search].to_i } or #{Course.table_name}.name like '%#{params[:search.to_s]}%'")
      .select { |course|  @user.allowed_to?(:as_teacher,course)}
    else
      @course = @user.courses
      .select { |course|  @user.allowed_to?(:as_teacher,course)}
    end
    #这里仅仅是传递需要发送的资源id
    @send_id = params[:send_id]
    @send_ids = params[:checkbox1] || params[:send_ids]
    respond_to do |format|
      format.js
    end
  end

  # 根据id或者名称搜索当前用户所在的项目
  def search_user_project
    @user = User.current
    if !params[:search].nil?
      @projects = @user.projects.where(" #{Project.table_name}.id = #{params[:search].to_i } or #{Project.table_name}.name like '%#{params[:search.to_s]}%'")
    else
      @projects = @user.projects
    end
    #这里仅仅是传递需要发送的资源id
    @send_id = params[:send_id]
    @send_ids = params[:checkbox1] || params[:send_ids] #搜索的时候  和 直接 用表格提交的时候的send_ids
    respond_to do |format|
      format.js
    end
  end

  # 将资源发送到对应的课程,分为发送单个，或者批量发送
  def add_exist_file_to_course
    @flag = true
    if  params[:send_id].present?
      send_id  = params[:send_id]
      ori = Attachment.find_by_id(send_id)
      course_ids = params[:course_ids]
      if course_ids.nil?
        @flag = false
      end
      unless course_ids.nil?
        course_ids.each do |id|
          next if ori.blank?
          attach_copied_obj = ori.copy
          attach_copied_obj.tag_list.add(ori.tag_list) # tag关联
          attach_copied_obj.container = Course.find(id)
          attach_copied_obj.created_on = Time.now
          attach_copied_obj.author_id = User.current.id
          if attach_copied_obj.attachtype == nil
            attach_copied_obj.attachtype = 4
          end
          attach_copied_obj.save
          @save_message = attach_copied_obj.errors.full_messages
        end
      end
    elsif params[:send_ids].present?
      send_ids = params[:send_ids].split(" ")
      course_ids = params[:course_ids]
      if course_ids.nil?
        @flag = false
      end
      send_ids.each do |send_id|
        ori = Attachment.find_by_id(send_id)

        unless course_ids.nil?
          course_ids.each do |id|
            next if ori.blank?
            attach_copied_obj = ori.copy
            attach_copied_obj.tag_list.add(ori.tag_list) # tag关联
            attach_copied_obj.container = Course.find(id)
            attach_copied_obj.created_on = Time.now
            attach_copied_obj.author_id = User.current.id
            if attach_copied_obj.attachtype == nil
              attach_copied_obj.attachtype = 4
            end
            attach_copied_obj.save
            @save_message = attach_copied_obj.errors.full_messages
          end
        end
      end
    else
      @flag = false
    end
    user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源
    @attachments = Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                        "or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
    @type = params[:type]
    @limit = 25
    @user = User.current
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,25
    respond_to do |format|
      format.js
    end
  end

  # 添加资源到对应的项目
  def add_exist_file_to_project
    @flag = true
    if  params[:send_id].present?
      send_id  = params[:send_id]
      project_ids = params[:projects_ids]
      if project_ids.nil?
        @flag = false
      end
      ori = Attachment.find_by_id(send_id)
      unless project_ids.nil?
        project_ids.each do |project_id|
          next if ori.blank?
          attach_copied_obj = ori.copy
          attach_copied_obj.tag_list.add(ori.tag_list) # tag关联
          attach_copied_obj.container = Project.find(project_id)
          attach_copied_obj.created_on = Time.now
          attach_copied_obj.author_id = User.current.id
          if attach_copied_obj.attachtype == nil
            attach_copied_obj.attachtype = 1
          end
          attach_copied_obj.save
        end
      end
    elsif params[:send_ids].present?
      send_ids = params[:send_ids].split(" ")
      project_ids = params[:projects_ids]
      if project_ids.nil?
        @flag = false
      end
      send_ids.each do |send_id|

        ori = Attachment.find_by_id(send_id)
        unless project_ids.nil?
          project_ids.each do |project_id|
            next if ori.blank?
            attach_copied_obj = ori.copy
            attach_copied_obj.tag_list.add(ori.tag_list) # tag关联
            attach_copied_obj.container = Project.find(project_id)
            attach_copied_obj.created_on = Time.now
            attach_copied_obj.author_id = User.current.id
            if attach_copied_obj.attachtype == nil
              attach_copied_obj.attachtype = 1
            end
            attach_copied_obj.save
          end
        end
      end
    else
      @flag=true
    end
    user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源
    @attachments = Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                        "or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
    @type = params[:type]
    @limit = 25
    @user = User.current
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,25
    respond_to do |format|
      format.js
    end
  end

  # 资源预览
  def resource_preview
    preview_id = params[:resource_id]
    @file = Attachment.find(preview_id)
    @preview_able = false;
    if %w(pdf pptx doc docx xls xlsx).any?{|x| @file.filename.downcase.end_with?(x)}
      @preview_able = true;
    end
    respond_to do |format|
      format.js
    end
  end

  # 重命名资源
  def rename_resource
    @attachment = Attachment.find(params[:res_id]) if params[:res_id].present?
    if  @attachment != nil
      @attachment.filename =  params[:res_name]
      @flag = @attachment.save
    end
    # respond_to do |format|
    #   format.js
    # end
    if @flag
      render :text=> download_named_attachment_path(@attachment.id, @attachment.filename)
    else
      render :text=>'fail'
    end
  end

  def destroy
    @user.destroy
    respond_to do |format|
      format.html { redirect_back_or_default(admin_users_path) }
      format.api  { render_api_ok }
    end
  end

  def edit_membership
    @membership = Member.edit_membership(params[:membership_id], params[:membership], @user)
    @membership.save
    respond_to do |format|
      format.html { redirect_to edit_user_url(@user, :tab => 'memberships') }
      format.js
    end
  end

  def destroy_membership
    @membership = Member.find(params[:membership_id])
    if @membership.deletable?
      @membership.destroy
    end
    respond_to do |format|
      format.html { redirect_to edit_user_url(@user, :tab => 'memberships') }
      format.js
    end
  end

  ################# added by william
  def tag_save
    @tags = params[:tag_for_save][:name]
    @obj_id = params[:tag_for_save][:object_id]
    @obj_flag = params[:tag_for_save][:object_flag]

    case @obj_flag
      when '1' then
        @obj = User.find_by_id(@obj_id)
      when '2' then
        @obj = Project.find_by_id(@obj_id)
      when '3' then
        @obj = Issue.find_by_id(@obj_id)
      when '4' then
        # @obj = Bid.find_by_id(@obj_id)
      when '5' then
        @obj = Forum.find_by_id(@obj_id)
      when '6'
        @obj = Attachment.find_by_id(@obj_id)
      when '7' then
        @obj = Contest.find_by_id(@obj_id)
      when '8'
        @obj = OpenSourceProject.find_by_id(@obj_id)
      when '9'
        @obj = Course.find_by_id(@obj_id)
      else
        @obj = nil
    end
    unless @obj.nil?
      @obj.tag_list.add(@tags.split(","))
    else
      return
    end
    if @obj.save
      logger.debug "#{__FILE__}:#{__LINE__} ===> #{@obj.to_json}"
    else
      logger.error "#{__FILE__}:#{__LINE__} ===> #{@obj.errors.try(:full_messages)}"
    end
    respond_to do |format|
      format.js
      format.html
    end
  end

  def tag_saveEx
    @tags = params[:tag_name]
    @obj_id = params[:obj_id]
    @obj_flag = params[:obj_flag]

    case @obj_flag
      when '1' then
        @obj = User.find_by_id(@obj_id)
      when '2' then
        @obj = Project.find_by_id(@obj_id)
      when '3' then
        @obj = Issue.find_by_id(@obj_id)
      when '4' then
        # @obj = Bid.find_by_id(@obj_id)
      when '5' then
        @obj = Forum.find_by_id(@obj_id)
      when '6'
        @obj = Attachment.find_by_id(@obj_id)
      when '7' then
        @obj = Contest.find_by_id(@obj_id)
      when '8'
        @obj = OpenSourceProject.find_by_id(@obj_id)
      when '9'
        @obj = Course.find_by_id(@obj_id)
      else
        @obj = nil
    end
    unless @obj.nil?
      @obj.tag_list.add(@tags.split(","))
    else
      return
    end
    if @obj.save
      ## 执行成功的操作。
    else
      #捕获异常
    end
    respond_to do |format|
      format.js
      format.html
    end
  end
  ###add by huang
  def user_watchlist
    limit = 10;
    query = User.watched_by(@user.id);
    @obj_count = query.count();
    @obj_pages = Paginator.new @obj_count,limit,params['page']
    @list = query.order("#{Watcher.table_name}.id desc").limit(limit).offset(@obj_pages.offset).all();
    @action = 'watch'
    render :template=>'users/user_fanslist',:layout=>'new_base_user'
  end
  ###add by huang
  def user_fanslist
    limit = 10;
    query = @user.watcher_users;
    @obj_count = query.count();
    @obj_pages = Paginator.new @obj_count,limit,params['page']
    @list = query.order("#{Watcher.table_name}.id desc").limit(limit).offset(@obj_pages.offset).all();
    @action = 'fans'
    render :layout=>'new_base_user'
  end
  def user_visitorlist
    limit = 10;
    #query = @user.watcher_users;
    query = User.joins("join visitors v on #{User.table_name}.id=v.user_id")
    query = query.where("v.master_id=?",@user.id)
    @obj_count = query.count();
    @obj_pages = Paginator.new @obj_count,limit,params['page']
    @list = query.order("v.updated_on desc").limit(limit).offset(@obj_pages.offset).all();
    @action = 'visitor'
    render :template=>'users/user_fanslist',:layout=>'base_users_new'
  end

  #william
  def update_extensions(user_extensions)
    user_extensions = params[:user_extensions]
    unless user_extensions.nil?
      user_extensions = UserExtensions.find_by_id(user_extensions.user_id)

      # user_extensions.
    end
  end

  def update_score
    @user = User.find(params[:id])
  end

  #修改个人简介
  def edit_brief_introduction
    if @user && @user.extensions
      @user.extensions.update_column("brief_introduction",params[:brief_introduction])
    end
    respond_to do |format|
      format.js
    end
  end

  # 资源库 分为全部  课程资源 项目资源 附件
  def user_resource
    #确定container_type
    # @user = User.find(params[:id])
    # 别人的资源库是没有权限去看的
    if User.current.id.to_i != params[:id].to_i
      render_403
      return
    end
    if(params[:type].blank? || params[:type] == "1") #全部
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源
        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                            "or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #Ta的资源库的话，应该是他上传的公开资源 加上 他加入的所有我可见课程里的公开资源
        @attachments = Attachment.where("(author_id = #{params[:id]} and is_public = 1 " +
                                            "and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) " +
                                            "or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      end
    elsif params[:type] == "2" #课程资源
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}
        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) ").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #如果课程私有资源，那么要看这个资源的课程是不是在 这个user的所有我可见的课程中
        @attachments = Attachment.where("(author_id = #{params[:id]} and is_public = 1 and container_type = 'Course')"+
                                            "or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))").order("created_on desc")
      end
    elsif params[:type] == "3" #项目资源
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Project'").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type = 'Project' ").order("created_on desc")
      end
    elsif params[:type] == "4" #附件
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
      end
    elsif params[:type] == "5" #用户资源
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Principal'").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type  = 'Principal'").order("created_on desc")
      end
    end
    @type = params[:type]
    @limit = 25
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,25
    respond_to do |format|
      format.js
      format.html {render :layout => 'new_base_user'}
    end
  end

  # 根据资源关键字进行搜索
  def resource_search
    search = params[:search].to_s.strip.downcase
    if(params[:type].nil? || params[:type] == "1") #全部
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}  #我的资源库的话，那么应该是我上传的所有资源 加上 我加入的课程的所有资源 取交集并查询
        @attachments = Attachment.where("((author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
                                            " or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')}))) and (filename like '%#{search}%') ").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #如果课程私有资源，那么要看这个资源的课程是不是在 这个user的所有我可见的课程中
        @attachments = Attachment.where("((author_id = #{params[:id]} and is_public = 1 and container_type in" +
                                            " ('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon'))"+
                                            " or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) )" +
                                            " and (filename like '%#{search}%') ").order("created_on desc")
      end
    elsif params[:type] == "2" #课程资源
      if User.current.id.to_i == params[:id].to_i
        user_course_ids = User.current.courses.map { |c| c.id}
        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) and (filename like '%#{search}%') ").order("created_on desc")
      else
        user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #如果课程私有资源，那么要看这个资源的课程是不是在 这个user的所有我可见的课程中
        @attachments = Attachment.where("((author_id = #{params[:id]} and is_public = 1 and container_type = 'Course') "+
                                            "or (container_type = 'Course' and is_public = 1 and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) )"+
                                            " and (filename like '%#{search}%') ").order("created_on desc")
      end
    elsif params[:type] == "3" #项目资源
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Project'  and (filename like '%#{search}%')").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type = 'Project'  and (filename like '%#{search}%') ").order("created_on desc")
      end
    elsif params[:type] == "4" #附件
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type in('Project','Issue','Document','Message','News','StudentWorkScore','HomewCommon')  and (filename like '%#{search}%')").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')  and (filename like '%#{search}%')").order("created_on desc")
      end
    elsif params[:type] == "5" #用户资源
      if User.current.id.to_i == params[:id].to_i
        @attachments = Attachment.where("author_id = #{params[:id]} and container_type = 'Principal' and (filename like '%#{search}%')").order("created_on desc")
      else
        @attachments = Attachment.where("author_id = #{params[:id]} and is_public = 1 and container_type  = 'Principal'  and (filename like '%#{search}%')").order("created_on desc")
      end
    end
    @type = params[:type]
    @limit = 25
    @is_remote = true
    @atta_count = @attachments.count
    @atta_pages = Paginator.new @atta_count, @limit, params['page'] || 1
    @offset ||= @atta_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @attachments = paginateHelper @attachments,25
    respond_to do |format|
      format.js
    end
  end

  private

  def find_user
    if params[:id] == 'current'
      require_login || return
      @user = User.current
    else
      @user = User.find(params[:id])
    end
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def setting_layout(default_base='base_users_new')
    User.current.admin? ? default_base : default_base
  end

  # 必填自己的工作单位，其实就是学校
  def auth_user_extension
    if @user == User.current && @user.user_extensions.nil?
      flash[:error] = l(:error_complete_occupation)
      redirect_to my_account_url
    end
  end

  #重置用户得分
  def rest_user_score
    memo_num(@user)
    messges_for_issue_num(@user)
    issues_status_num(@user)
    replay_for_memo_num(@user)
    tread_num(@user)
    praise_num(@user)
    changeset_num(@user)
    document_num(@user)
    attachment_num(@user)
    issue_done_ratio_num(@user)
    post_issue_num(@user)
  end

  #验证是否显示课程
  def can_show_course
    @first_page = FirstPage.find_by_page_type('project')
    if @first_page.show_course == 2
      render_404
    end
  end

  def recorded_visitor
    if(User.current.logged? && User.current != @user)
      #impl = Visitor.where('user_id=? and master_id=?',User.current.id,@user.id).find;
      # impl = Visitor.find_by_sql('user_id=? and master_id=?',[User.current.id,@user.id]);
      impl = Visitor.find_by_user_id_and_master_id(User.current.id,@user.id);
      if(impl.nil?)
        impl = Visitor.new
        impl.user_id = User.current.id
        impl.master_id = @user.id
      else
        impl.updated_on = Time.now
      end
      impl.save
    end
  end



end