trustieforge/app/controllers/admin_controller.rb

# 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 AdminController < ApplicationController
  layout 'admin'
  menu_item :projects, :only => :projects
  menu_item :plugins, :only => :plugins
  menu_item :info, :only => :info

  before_filter :require_admin
  helper :sort
  helper :Users
  helper :Settings,SchoolHelper
  include SortHelper

  def index
    @no_configuration_data = Redmine::DefaultData::Loader::no_data?
  end

  def projects
=begin
    @status = params[:status] || 1

    scope = Project.status(@status)
    scope = scope.like(params[:name]) if params[:name].present?
    @projects = scope.where(project_type: Project::ProjectType_project).reorder("created_on desc").all
=end
    @projects = Project.like(@name).order('created_on desc')
    @projects = paginateHelper @projects,30
    @page = (params['page'] || 1).to_i - 1
    render :action => "projects", :layout => false if request.xhr?
  end

  def syllabuses
    @name = params[:name]
    @syllabuses = Syllabus.like(@name).order('created_at desc')
    @syllabuses = paginateHelper @syllabuses,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #为班级选择课程
  def select_course_syllabus
    @flag = false
    if params[:syllabus_id] && params[:course_id]
      course = Course.where("id = #{params[:course_id].to_i}").first
      unless course.nil?
        course.update_column('syllabus_id', params[:syllabus_id].to_i)
        @flag = true
      end
    end
    if @flag
      render :text=> "succ"
    else
      render :text=>'fail'
    end
  end

  #新建课程
  def create_syllabus
    if params[:course_id]
      course = Course.where("id = #{params[:course_id]}").first
      if course
        @user = course.teacher
        syllabus = Syllabus.new
        syllabus.update_attributes(:title => params[:title], :eng_name => params[:eng_name], :user_id => @user.id)
        syllabus.description = Message.where("id = 19412").first.nil? ? nil : Message.where("id = 19412").first.content
        if syllabus.save
          course.update_column('syllabus_id', syllabus.id)
          @flag = params[:flag].to_i
          @course = course
          respond_to do |format|
            format.js
          end
        end
      end
    end
  end

  def courses
    @name = params[:name].to_s.strip.downcase
    if @name && @name != ""
      @courses = Course.select{ |course| course.teacher && ((course.teacher.show_name).include?(@name) || course.name.include?(@name))}
      @courses = @courses.sort{|x, y| y.created_at <=> x.created_at}
    else
      @courses = Course.order('created_at desc')
    end
    @courses = paginateHelper @courses,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #未配置班级列表
  def non_syllabus_courses
    @name = params[:name].to_s.strip.downcase
    if @name && @name != ""
      @courses = Course.where("syllabus_id is null and is_delete = 0").select{ |course| (course.teacher[:lastname].to_s.downcase + course.teacher[:firstname].to_s.downcase).include?(@name) || course.name.include?(@name)}
      @courses = @courses.sort{|x, y| y.created_at <=> x.created_at}
    else
      @courses = Course.where("syllabus_id is null and is_delete = 0").order('created_at desc')
    end
    @courses = paginateHelper @courses,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #修改班级名称
  def update_course_name
    @course = Course.where("id = #{params[:course_id].to_i}").first
    unless @course.nil?
      @course.update_column("name", params[:name])
      respond_to do |format|
        format.js
      end
    end
  end

  #修改课程名称
  def update_syllabus_title
    @syllabus = Syllabus.where("id = #{params[:syllabus_id].to_i}").first
    unless @syllabus.nil?
      @syllabus.update_column("title", params[:name])
      respond_to do |format|
        format.js
      end
    end
  end

  #管理员界面精品课程列表
  def excellent_courses
    @courses = Course.where("is_excellent =? or excellent_option =?", 1, 1 )
    respond_to do |format|
      format.html
    end
  end

  #精品课程下的全部课程
  def excellent_all_courses
    name = params[:name]
    @order = ""
    @sort = ""
    if params[:sort] && (params[:order]  == 'act')
      courses = Course.find_by_sql("SELECT c.*,count(c.id) FROM courses c,course_activities ca WHERE c.id = ca.course_id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY count(c.id) #{params[:sort]}, c.id desc")
      @order = params[:order]
      @sort = params[:sort]

    elsif params[:sort] && (params[:order]  == 'time')
      courses = Course.find_by_sql("SELECT * FROM courses WHERE name like '%#{name}%' ORDER BY time #{params[:sort]}, id desc")
      @order = params[:order]
      @sort = params[:sort]

    elsif params[:sort] && (params[:order] == 'post')
      courses = Course.find_by_sql("SELECT c.*, count(m.id) count FROM boards b, courses c, messages m WHERE m.board_id = b.id AND b.course_id = c.id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY count #{params[:sort]}, c.id desc")
      @order = params[:order]
      @sort = params[:sort]

    elsif params[:sort] && (params[:order] == 'res')
      courses = Course.find_by_sql("SELECT c.*, count(at.container_id) cat FROM attachments at, courses c WHERE at.container_type = 'Course' AND at.container_id = c.id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY cat #{params[:sort]}, id desc")
      @order = params[:order]
      @sort = params[:sort]

    elsif params[:sort] && (params[:order] == 'works')
      courses = Course.find_by_sql("SELECT c.*, count(hc.id) chc FROM courses c, homework_commons hc,student_works sw WHERE c.id = hc.course_id AND sw.homework_common_id = hc.id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY chc #{params[:sort]}, id desc")
      @order = params[:order]
      @sort = params[:sort]

    elsif params[:sort] && (params[:order]  == 'homework')
      courses = Course.find_by_sql("SELECT c.*, count(sw.id) csw FROM student_works sw, courses c, homework_commons hc WHERE c.id = hc.course_id AND sw.id = c.id  AND c.name like '%#{name}%' GROUP BY c.id ORDER BY csw #{params[:sort]}, id desc")
      @order = params[:order]
      @sort = params[:sort]

    elsif params[:sort] && (params[:order]  == 'std')
      courses = Course.find_by_sql("SELECT c.*, count(sfc.id) sfc FROM courses c, students_for_courses sfc WHERE sfc.course_id = c.id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY sfc #{params[:sort]}, id desc")
      @order = params[:order]
      @sort = params[:sort]

    elsif params[:sort] && (params[:order]  == 'open')
      courses = Course.find_by_sql("SELECT * FROM courses WHERE name like '%#{name}%' ORDER BY is_public #{params[:sort]},id desc")
      @order = params[:order]
      @sort = params[:sort]

    else
      courses = Course.like(name).order('created_at desc')
    end
    @courses = paginateHelper courses,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #设为精品
  def set_excellent_course
    @course = Course.find params[:id]
    unless @course.nil?
      if @course.is_excellent == 1 || @course.excellent_option == 1
        @course.update_column('is_excellent', 0)
        @course.update_column('excellent_option', 0)
      else
        @course.update_column('is_excellent', 1)
      end
      respond_to do |format|
        format.js
      end
    end
  end

  #取消精品
  def cancel_excellent_course
    @course = Course.find params[:id]
    unless @course.nil?
      if @course.is_excellent == 1 || @course.excellent_option == 1
        @course.update_column('is_excellent', 0)
        @course.update_column('excellent_option', 0)
      end
    end
    respond_to do |format|
      format.html{
        redirect_to excellent_courses_url
      }
    end
  end

 #管理员界面课程资源列表
  def course_resource_list

    if params[:sort] == 'file_size'
      @resource = Attachment.where(:container_type => 'Course').order("filesize desc")
    elsif params[:sort] == 'file_upload'
      @resource = Attachment.where(:container_type => 'Course').order("created_on desc")
    elsif params[:sort] == 'file_download_times'
      @resource = Attachment.where(:container_type => 'Course').order("downloads desc")
    else
      @resource = Attachment.where(:container_type => 'Course').order("created_on desc")
    end

    @resource = paginateHelper @resource,30
    @page = (params['page'] || 1).to_i - 1

    respond_to do |format|
      format.html
    end
  end

  #管理员界面項目资源列表
  def project_resource_list

    if params[:sort] == 'file_size'
      @pro_resource = Attachment.where(:container_type => 'Project').order("filesize desc")
    elsif params[:sort] == 'file_upload'
      @pro_resource = Attachment.where(:container_type => 'Project').order("created_on desc")
    elsif params[:sort] == 'file_download_times'
      @pro_resource = Attachment.where(:container_type => 'Project').order("downloads desc")
    else
      @pro_resource = Attachment.where(:container_type => 'Project').order("created_on desc")
    end

    @pro_resource = paginateHelper @pro_resource,30
    @page = (params['page'] || 1).to_i - 1

    respond_to do |format|
      format.html
    end
  end


  def users
    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 => 50})
      else
        @limit = 50 #per_page_option
    end

    @status = params[:status] || 1
    scope = User.logged.status(@status)
    scope = User.like(params[:name]) if params[:name].present?
    scope = scope.in_group(params[:group_id]) if params[:group_id].present?

    @user_count = scope.count
    @user_pages = Paginator.new @user_count, @limit, params['page']
    @offset ||= @user_pages.offset
    @users = scope.order(sort_clause).limit(@limit).offset(@offset).all


    respond_to do |format|
      format.html {
        @groups = Group.all.sort
      }
      format.api
    end
  end

  # 系统消息
  def messages
    @admin_messages = SystemMessage.new
  end

  def plugins
    @plugins = Redmine::Plugin.all
  end

  # Loads the default configuration
  # (roles, trackers, statuses, workflow, enumerations)
  def default_configuration
    if request.post?
      begin
        Redmine::DefaultData::Loader::load(params[:lang])
        flash[:notice] = l(:notice_default_data_loaded)
      rescue Exception => e
        flash[:error] = l(:error_can_t_load_default_data, e.message)
      end
    end
    redirect_to admin_url
  end

  def test_email
    raise_delivery_errors = ActionMailer::Base.raise_delivery_errors
    # Force ActionMailer to raise delivery errors so we can catch it
    ActionMailer::Base.raise_delivery_errors = true
    begin
      @test = Mailer.test_email(User.current).deliver
      flash[:notice] = l(:notice_email_sent, User.current.mail)
    rescue Exception => e
      flash[:error] = l(:notice_email_error, e.message)
    end
    ActionMailer::Base.raise_delivery_errors = raise_delivery_errors
    redirect_to settings_url(:tab => 'notifications')
  end

  def info
    @db_adapter_name = ActiveRecord::Base.connection.adapter_name
    @checklist = [
      [:text_default_administrator_account_changed, User.default_admin_account_changed?],
      [:text_file_repository_writable, File.writable?(Attachment.storage_path)],
      [:text_plugin_assets_writable,   File.writable?(Redmine::Plugin.public_directory)],
      [:text_rmagick_available,        Object.const_defined?(:Magick)]
    ]
  end
  #管理功能用户列表的搜索
  def search
    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#per_page_option
    end

    @status = params[:status] || 1
    scope = User.logged.status(@status)
    scope = scope.like(params[:name],params[:search_by][:id]) if params[:name].present?
    @user_count = scope.count
    @user_pages = Paginator.new @user_count, @limit, params['page']
    @user_base_tag = params[:id] ? 'base_users':'base'

    @users = scope.offset(@user_pages.offset).limit(@user_pages.per_page)

    respond_to do |format|
      format.html {
        @groups = Group.all.sort
      }
      format.api
    end
  end

  #首页定制
  def first_page_made
    if request.get?
      @first_page = FirstPage.find_by_page_type('project')
    elsif request.post?
      @first_page = FirstPage.find_by_page_type('project')
      @first_page.web_title = params[:web_title]
      @first_page.description = params[:first_page][:description]
      #@first_page.title = params[:title]
      @first_page.image_width = params[:image_width]
      @first_page.image_height = params[:image_height]
      @first_page.sort_type = params[:sort_type]
      @first_page.show_course = params[:show_course]
      @first_page.show_contest = params[:show_contest]
      if @first_page.save
        respond_to do |format|
          flash[:notice] = l(:notice_successful_update)
          format.html {
            redirect_to first_page_made_url
          }
          format.api  { render_api_ok }
          #format.json { render json: @first_page, status: :created, location: @first_page }
        end
      else
        respond_to do |format|
          flash.now[:error] = "#{l :label_first_page_create_fail}: #{@first_page.errors.full_messages[0]}"
          format.html {
            render :action => 'first_page_made'
          }
          format.api  { render_validation_errors(@first_page) }
          #format.json { render json: @first_page.errors, status: :unprocessable_entity }
        end
      end
    end
  end

  def course_page_made
    if request.get?
      @course_page = FirstPage.find_by_page_type('course')
      @first_page = FirstPage.find_by_page_type('project')
    elsif request.post?
      @first_page = FirstPage.find_by_page_type('project')
      @course_page = FirstPage.find_by_page_type('course')
      @first_page.web_title = params[:web_title]
      @course_page.web_title = params[:web_title]
      @course_page.title = params[:course_title]
      @course_page.image_width = params[:image_width]
      @course_page.image_height = params[:image_height]
      @course_page.description = params[:course_description]
      if @first_page.save && @course_page.save
        respond_to do |format|
          format.html {
            flash[:notice] = l(:notice_successful_update)
            redirect_to course_page_made_url
          }
          format.api  { render_api_ok }
        end
      else
        respond_to do |format|
          flash.now[:error] = "#{l :label_first_page_create_fail}: #{@first_page.errors.full_messages[0]}\n\t#{@course_page.errors.full_messages[0]}"
          #flash.now[:error] = "#{l :label_first_page_create_fail}: #{@course_page.errors.full_messages[0]}"
          format.html {

            render :action => 'course_page_made'
          }
          format.api  { render_validation_errors(@first_page) }
          format.api  { render_validation_errors(@course_page) }
        end
      end
    end
  end

  def contest_page_made
    if request.get?
      @contest_page = FirstPage.find_by_page_type('contest')
      @first_page = FirstPage.find_by_page_type('project')
    elsif request.post?
      @first_page = FirstPage.find_by_page_type('project')
      @contest_page = FirstPage.find_by_page_type('contest')
      @first_page.web_title = params[:web_title]
      @contest_page.web_title = params[:web_title]
      @contest_page.title = params[:contest_title]
      @contest_page.image_width = params[:image_width]
      @contest_page.image_height = params[:image_height]
      @contest_page.description = params[:contest_description]

      if @first_page.save && @contest_page.save
        respond_to do |format|
          format.html {
            flash[:notice] = l(:notice_successful_update)
            redirect_to contest_page_made_url
          }
          format.api  { render_api_ok }
        end
      else
        respond_to do |format|
          flash.now[:error] = "#{l :label_first_page_create_fail}: #{@first_page.errors.full_messages[0]}\n\t#{@contest_page.errors.full_messages[0]}\n\t#{@notification.errors.full_messages[0]}"
          format.html {
            render :action => 'contest_page_made'
          }
          format.api  { render_validation_errors(@first_page) }
          format.api  { render_validation_errors(@contest_page) }
        end
      end
    end
  end

  def web_footer_made
    if request.get?
      @organizer = WebFooterOranizer.first
      @first_page = FirstPage.find_by_page_type('project')
      #@notification = ContestNotification.all.first;
    elsif request.post?
      @first_page = FirstPage.find_by_page_type('project')
      @first_page.web_title = params[:web_title]
      @organizer = WebFooterOranizer.first
      if @organizer.nil?
        @organizer = WebFooterOranizer.new
      end
      @organizer.name = params[:organizer_name]
      @organizer.description = params[:web_footer_oranizer][:description]
      if @first_page.save && @organizer.save
        respond_to do |format|
          format.html {
            flash[:notice] = l(:notice_successful_update)
            redirect_to web_footer_made_url
          }
          format.api  { render_api_ok }
        end
      else
        respond_to do |format|
          flash.now[:error] = "#{l :label_first_page_create_fail}: #{@first_page.errors.full_messages[0]}\n\t#{@organizer.errors.full_messages[0]}}"
          format.html {
            render :action => 'web_footer_made'
          }
          format.api  { render_validation_errors(@first_page) }
          format.api  { render_validation_errors(@contest_page) }
        end
      end
    end
  end

  #企业主页定制
  def enterprise_page_made
    @enterprise_page = FirstPage.find_by_page_type('enterprise')
    if @enterprise_page.nil?
      @enterprise_page = FirstPage.new
      @enterprise_page.page_type = 'enterprise'
    end
    if request.get?
      @first_page = FirstPage.find_by_page_type('project')
    elsif request.post?
      @first_page = FirstPage.find_by_page_type('project')
      @first_page.web_title = params[:web_title]
      @enterprise_page.web_title = params[:web_title]
      @enterprise_page.title = params[:course_title]
      @enterprise_page.image_width = params[:image_width]
      @enterprise_page.image_height = params[:image_height]
      @enterprise_page.description = params[:course_description]
      if @first_page.save && @enterprise_page.save
        respond_to do |format|
          format.html {
            flash[:notice] = l(:notice_successful_update)
            redirect_to enterprise_page_made_url
          }
          format.api  { render_api_ok }
        end
      else
        respond_to do |format|
          flash.now[:error] = "#{l :label_first_page_create_fail}: #{@first_page.errors.full_messages[0]}\n\t#{@enterprise_page.errors.full_messages[0]}"
          #flash.now[:error] = "#{l :label_first_page_create_fail}: #{@course_page.errors.full_messages[0]}"
          format.html {
            render :action => 'enterprise_page_made'
          }
          format.api  { render_validation_errors(@first_page) }
          format.api  { render_validation_errors(@enterprise_page) }
        end
      end
    end
  end

  #组织
  def organization
    @organizations = Organization.find_by_sql("SELECT * FROM organizations ORDER BY created_at DESC")
    #@organizations = Organization.all.order("created_at desc")
    @organization_count = @organizations.count
    @organization_pages = Paginator.new @organization_count, 30, params['page'] || 1
    @organizations = paginateHelper @organizations,30

    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #学校列表
  def schools

    @schools = School.find_by_sql("SELECT * FROM schools ORDER BY created_at DESC")
    @school_count = @schools.count

    @school_pages = Paginator.new @school_count, 30, params['page'] || 1
    @schools = paginateHelper @schools,30

    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  # 获取申请的高校列表
  # status: 0 未审批； 1 已批阅；
  def applied_schools
    @name = params[:name]
    @apply_status = ApplyAddSchools.where(:status => 0).order('created_at desc')
    @apply_count = @apply_status.count

    @apply_pages = Paginator.new @apply_count, 30, params['page'] || 1
    @apply_status = paginateHelper @apply_status, 30

    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  def has_applied_schools
    @name = params[:name]
    @has_apply_status = ApplyAddSchools.where("status = 1 or status = 2").order('created_at desc')
    @has_apply_count = @has_apply_status.count

    @has_apply_pages = Paginator.new @has_apply_count, 30, params['page'] || 1
    @has_apply_status = paginateHelper @has_apply_status, 30

    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  # 批准未审批的高校
  # 消息发送,发送对象为申请人
  # status: 0表示未批准； status：1表示已批准； status： 2表示已更改； status： 3表示已拒绝
  def approve_applied_schools
    applied_school = ApplyAddSchools.find params[:id]
    applied_school.update_column('status', 1) unless applied_school.nil?
    school = applied_school.school
    school.update_attribute("province", applied_school.province)
    AppliedMessage.create(:user_id => applied_school.user_id, :status => 1, :viewed => true, :applied_id => applied_school.id, :applied_type => "ApplyAddSchools", :name => applied_school.name )
   # School.create(:user_id => applied_school.user_id, :status => 1, :viewed => true, :applied_id => applied_school.id, :applied_type => "ApplyAddSchools", :name => applied_school.name )
    respond_to do |format|
      format.html{ redirect_to unapplied_schools_url }
    end
  end

  # 更改申请的高校名称
  # REDO: 修改该字段
  # REDO: 同步修改使用了改名称的用户单位
  def edit_applied_schools
    aas = ApplyAddSchools.find(params[:applied_id])
    # aas.update_attribute(:name, params[:name])
    #applied_add_school = ApplyAddSchools.where(:name => aas.name)
    school = School.find params[:school_id]
    begin
      aas.update_attribute(:status, 2)
      AppliedMessage.create(:user_id => aas.user_id, :status => 2, :viewed => true, :applied_id => aas.id, :applied_type => "ApplyAddSchools", :name => school[0].name )
      users = UserExtensions.where("school_id = #{aas.school_id}")
      users.each do |user|
        user.update_column("school_id", school[0].id)
      end
      aas.school.destroy
      aas.update_attribute(:school_id, school[0].id)
    rescue Exception => e
      puts e
    end
    # applied_schools = ApplyAddSchools.find params[:applied_id]
    # applied_schools.update_column('name', params[:name])
    redirect_to unapplied_schools_url
  end

  def all_schools
    apply_schools = ApplyAddSchools.where("status != 1")
    apply_school_ids = apply_schools.empty? ? "(-1)" : "(" + apply_schools.map{|sc| sc.school_id}.join(',') + ")"
    if !params[:search].nil?
      search = "%#{params[:search].to_s.strip.downcase}%"
      @schools = School.where("id not in #{apply_school_ids} and #{School.table_name}.name like :p",:p=>search)
      #@schools = School.all
    else
      #@course = @user.courses.where("is_delete = 0 and #{Course.table_name}.id != #{homework.course_id}").select { |course|  @user.allowed_to?(:as_teacher,course)}
      @schools = School.where("id not in #{apply_school_ids}")
    end
    @edit_id = params[:school_id]
    @search = params[:search]
    respond_to do |format|
      format.js
    end
  end

  # 删除申请的高校
  # REDO: destroy关联删除
  # REDO: 删除确认提示，是否删除
  # REDO: 给申请人发送消息
  def delete_applied_schools
    applied_school = ApplyAddSchools.find(params[:id])
    applied_school.update_attribute(:status, 3)
    AppliedMessage.create(:user_id => applied_school.user_id, :status => 3, :viewed => true, :applied_id => applied_school.id, :applied_type => "ApplyAddSchools", :name => applied_school.name )
    users = UserExtensions.where("school_id = #{applied_school.school_id}")
    users.each do |user|
      user.update_column("school_id", nil)
    end
    applied_school.school.destroy
    respond_to do |format|
      format.html{ redirect_to unapplied_schools_url }
    end
  end

  #移动端版本管理
  def mobile_version
    @versions = PhoneAppVersion.reorder('created_at desc')
    @new_version = PhoneAppVersion.new

  end

  def create_version
    @versions = PhoneAppVersion.reorder('created_at desc')
    @new_version = PhoneAppVersion.new
    @new_version.version = params[:version]
    @new_version.description = params[:description]
    if params[:attachments][:dummy][:file].nil? || params[:attachments][:dummy][:file] == ""
      respond_to do |format|
        flash.now[:error] = "#{l :label_version_create_fail}: #{l(:label_client_need)}"
        #flash.now[:error] = "#{l :label_first_page_create_fail}: #{@course_page.errors.full_messages[0]}"
        format.html {
          render :action => 'mobile_version'
        }
        format.api  { render_validation_errors(@new_version) }
      end
    else
      @new_version.save_attachments(params[:attachments] || (params[:version] && params[:version][:uploads]))
      if @new_version.save
        respond_to do |format|
          format.html {
            flash[:notice] = l(:notice_successful_create)
            redirect_to mobile_version_url
          }
          format.api  { render_api_ok }
        end
      else
        respond_to do |format|
          flash.now[:error] = "#{l :label_version_create_fail}: #{@new_version.errors.full_messages[0]}"
          #flash.now[:error] = "#{l :label_first_page_create_fail}: #{@course_page.errors.full_messages[0]}"
          format.html {
            render :action => 'mobile_version'
          }
          format.api  { render_validation_errors(@new_version) }
        end
      end
    end

  end

  #留言列表
  def leave_messages
    @jour = JournalsForMessage.find_by_sql("SELECT * FROM journals_for_messages AS j1
    WHERE j1.jour_type IN ('Course','Principal') AND (j1.m_parent_id IS NULL OR (j1.m_parent_id IN (SELECT id FROM journals_for_messages WHERE jour_type IN ('Course','Principal')))) order by created_on desc")
    @jour = paginateHelper @jour,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #帖子
  def messages_list
    @memo = Memo.reorder("created_at desc")
    @memo = paginateHelper @memo,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #课程讨论区的帖子
  def course_messages
    @course_ms=Message.joins("join boards on messages.board_id=boards.id where boards.course_id is not NULL").reorder('created_on desc')
    @course_ms = paginateHelper @course_ms,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #项目讨论区的帖子
  def project_messages
    @project_ms=Message.joins("join boards on messages.board_id=boards.id where boards.project_id != -1").reorder('created_on desc')
    @project_ms = paginateHelper @project_ms,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #通知
  def notices
    @news = News.where('course_id is not NULL').order('created_on desc')
    @news = paginateHelper @news,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #最近登录用户列表
  def latest_login_users
    scope = User.order('last_login_on desc')
    scope = scope.where("last_login_on>= '#{params[:startdate]} 00:00:00'") if params[:startdate].present?
    scope =scope.where("last_login_on <= '#{params[:enddate]} 23:59:59'") if params[:enddate].present?
    @users = scope
    @users = paginateHelper @users,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #最近登录老师列表
  def latest_login_teachers
    scope = User.find_by_sql("SELECT * FROM users,user_extensions WHERE users.id = user_extensions.user_id AND user_extensions.identity=0 ORDER BY last_login_on DESC")
    if params[:startdate].present?
      scope = User.find_by_sql("SELECT * FROM users,user_extensions WHERE users.id = user_extensions.user_id AND user_extensions.identity=0 and last_login_on>= '#{params[:startdate]} 00:00:00' ORDER BY last_login_on DESC")
    end
    if params[:enddate].present?
      scope = User.find_by_sql("SELECT * FROM users,user_extensions WHERE users.id = user_extensions.user_id AND user_extensions.identity=0 and last_login_on <= '#{params[:enddate]} 23:59:59' ORDER BY last_login_on DESC")
    end
    @teachers = scope
    @teachers = paginateHelper @teachers,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

  #作业
  def homework
    #@homework = HomeworkCommon.order('end_time desc')
    @homework = HomeworkCommon.order( 'created_at desc ')
    @homework = paginateHelper @homework,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end

#代码测试列表
  def code_work_tests
    #求出所有条数
    tCount = CodeTests.count()

    #设置个空的数组 以便paginateHelper来分页
    @code_work_tests = []
    if tCount >= 1
      @code_work_tests[tCount-1] = {}
    end
    @code_work_tests = paginateHelper @code_work_tests,30
    @page = (params['page'] || 1).to_i - 1

    #取出需要的那一页数据
    tStart = @page*30
    @code_work_tests  = CodeTests.find_by_sql("select * from code_tests order by id desc limit #{tStart},30 ")

    #取出各个作品是否是模拟答题的
    is_test = {}
    #作品是否存在
    link_swork = {}
    #作业是否存在
    link_hwork = {}
    @code_work_tests.each do |test|
      #作品是否存在
      if is_test[test['student_work_id']] != nil
          test['link_swork'] = link_swork[test['student_work_id']]
          test['is_test'] = is_test[test['student_work_id']]
      else
          work = StudentWork.where("id=?",test['student_work_id']).first
          test['link_swork'] = !work.nil?
          test['is_test'] = work.nil? ? false : work.is_test
          #test['is_test'] = CodeTests.find_by_sql("select is_test from student_works where id = #{test['student_work_id']}").first['is_test']
          is_test[test['student_work_id']] = test['is_test']
          link_swork[test['student_work_id']] = test['link_swork']
      end

      #作业是否存在
      if link_hwork[test['homework_id']] != nil
        test['link_hwork'] = link_hwork[test['homework_id']]
      else
        hwork = HomeworkCommon.where("id=?",test['homework_id']).first
        test['link_hwork'] = !hwork.nil?
        link_hwork[test['homework_id']] = test['link_hwork']
      end
    end

    respond_to do |format|
      format.html
    end
  end
  #分享作业申请
  def apply_for_homework
    homeworks = ApplyHomework.where("user_id != 0")
    @homework = paginateHelper homeworks,30
    @page = (params['page'] || 1).to_i - 1
    respond_to do |format|
      format.html
    end
  end
end