socialforge/app/controllers/test_controller.rb

class TestController < ApplicationController
  
  helper :UserScore
  layout 'bootstrap_base'

  def bootstrap; end

  def zip
    homeworks_attach_path = []
    homework_id = params[:homework_id]
    bid = Bid.find_by_id(homework_id)

    bid.homeworks.each do |homeattach|
      homeattach.attachments.each do |attach|
        length = attach.storage_path.length
        homeworks_attach_path << attach.diskfile.to_s.slice((length+1)..-1)
      end
    end
    @paths = homeworks_attach_path
    zipfile = ziping homeworks_attach_path
    send_file zipfile, :filename => bid.name,
                        :type => detect_content_type(zipfile)
    rescue Errno::ENOENT => e
      logger.error "[Errno::ENOENT] ===> #{e}"

  end

  def courselist
    @courses = paginateHelper Course.includes(:homeworks).all, 10
  end

  def ziping files_path
    ic = Iconv.new('GBK//IGNORE', 'UTF-8//IGNORE')
    folder = "#{Rails.root}/files"
    input_filename = files_path
    zipfile_name = "#{Rails.root}/tmp/archiveZip/archive_#{Time.now.to_i}.zip"
    
    Dir.mkdir(File.dirname(zipfile_name)) unless File.exist?(File.dirname(zipfile_name))
    Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
      input_filename.each do |filename|
        zipfile.add(ic.iconv(filename_to_real(File.basename(filename))), folder + '/' + filename)
      end
      zipfile.get_output_stream("ReadMe"){ |os|
        os.write "Homeworks"
      }
    end
    zipfile_name
  end

  def detect_content_type(name)
    content_type = Redmine::MimeType.of(name)
    content_type.to_s
  end
  
  def filename_to_real name
    attach = Attachment.find_by_disk_filename(name)
    attach.filename
  end

  def mailer()
    raise unless Rails.env.development?
    @user = User.find(params[:user_id])
    send_for_user_activities(@user, Time.now,1)
    render 'mailer/send_for_user_activities'
  end
  def send_for_user_activities(user, date_to, days)
    date_from = date_to - days.days

    subject = "[ #{user.show_name}#{l(:label_day_mail)}]"
    @subject = " #{user.show_name}#{l(:label_day_mail)}"

    date_from = "#{date_from} 17:59:59"
    date_to = "#{date_to} 17:59:59"

    # 生成token用于直接点击登录
    @user = user
    token = Token.new(:user =>user , :action => 'autologin')
    token.save
    @token = token

    # 查询user参加的项目及课程
    projects = user.projects
    courses = user.courses
    project_ids = projects.map{|project| project.id}.join(",")
    course_ids = courses.map {|course| course.id}.join(",")

    # 查询user的缺陷，包括发布的，跟踪的以及被指派的缺陷
    sql = "select DISTINCT i.* from issues i, watchers w
                        where (i.assigned_to_id = #{user.id} or i.author_id = #{user.id}
                                or (w.watchable_type = 'Issue' and w.watchable_id = i.id and w.user_id = #{user.id}))
                            and (i.created_on between '#{date_from}' and '#{date_to}') order by i.created_on desc"
                        @issues = Issue.find_by_sql(sql)

                        # @bids 查询课程作业，包括老师发布的作业，以及user提交作业
                        # @attachments查询课程课件更新
                        @attachments ||= []

                        @bids ||= []  # 老师发布的作业

                        unless courses.first.nil?
                          count = courses.count
                          count = count - 1
                          for i in 0..count do
                            bids =  courses[i].homeworks.where("bids.created_on between '#{date_from}' and '#{date_to}'").order("bids.created_on desc")
                            attachments = courses[i].attachments.where("attachments.created_on between '#{date_from}' and '#{date_to}'").order('attachments.created_on DESC')
                            @bids += bids if bids.count > 0 
                            @attachments += attachments if attachments.count > 0 
                          end
                        end
                        # user 提交的作业
                        @homeworks = HomeworkAttach.where("user_id=#{user.id} and (created_at between '#{date_from}' and '#{date_to}')").order("created_at desc")

                        # 查询user在课程。项目中发布的讨论帖子
                        messages = Message.find_by_sql("select DISTINCT * from messages where author_id = #{user.id} and (created_on between '#{date_from}' and '#{date_to}') order by created_on desc")
                        @course_messages ||= []
                        @project_messages ||= []
                        unless messages.first.nil?
                          messages.each do |msg|
                            if msg.project
                              @project_messages << msg
                            elsif msg.course
                              @course_messages << msg
                            end
                          end
                        end
                        #  查询user在课程中发布的通知，项目中发的新闻
                        @course_news = (course_ids && !course_ids.empty?) ? News.find_by_sql("select DISTINCT n.*  from news n
                                                where n.course_id in (#{course_ids})
                                                    and (created_on between '#{date_from}' and '#{date_to}') order by created_on desc") : []
                        @project_news = (project_ids && !project_ids.empty?) ? News.find_by_sql("select DISTINCT n.* from news n where  n.project_id in (#{project_ids})
                                                     and (created_on between '#{date_from}' and '#{date_to}') order by created_on desc") : []

                        # 查询user在课程及个人中留言
                        @course_journal_messages = JournalsForMessage.find_by_sql("select DISTINCT * from journals_for_messages where
                                                  jour_type='Course' and user_id = #{user.id}
                                                  and (created_on between '#{date_from}' and '#{date_to}') order by created_on desc")
                        @user_journal_messages = user.journals_for_messages.where("m_parent_id IS NULL and (created_on between '#{date_from}' and '#{date_to}')").order('created_on DESC')


                        # 查询user新建贴吧或发布帖子
                        @forums = Forum.find_by_sql("select  DISTINCT * from forums where creator_id = #{user.id} and (created_at between '#{date_from}' and '#{date_to}') order by created_at desc")
                        @memos = Memo.find_by_sql("select DISTINCT m.* from memos m, forums f where (m.author_id = #{user.id} or (m.forum_id = f.id and f.creator_id = #{user.id}))
                           and (m.created_at between '#{date_from}' and '#{date_to}')  order by m.created_at desc")


                        has_content = [@issues,@homeworks,@course_messages,@project_messages,@course_news,@project_news,
                                       @course_journal_messages,@user_journal_messages,@forums,@memos,@attachments,@bids].any? {|o|
                          !o.empty?
                        }
                                       #有内容才发，没有不发
  end


end