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# require 'zip'
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# class ZipdownController < ApplicationController
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# #查找项目（课程）
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# before_filter :find_project_by_bid_id, :only => [:assort]
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# #检查权限
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# #勿删 before_filter :authorize, :only => [:assort,:download_user_homework]
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# SAVE_FOLDER = "#{Rails.root}/files"
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# OUTPUT_FOLDER = "#{Rails.root}/tmp/archiveZip"
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#
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#
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# def assort
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# if params[:obj_class] == "Bid"
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# bid = Bid.find params[:obj_id]
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# file_count = 0
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# bid.homeworks.map { |homework| file_count += homework.attachments.count}
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# if file_count > 0
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# zipfile = zip_bid bid
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# else
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# render file: 'public/no_file_found.html'
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# end
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# else
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# logger.error "[ZipDown#assort] ===> #{params[:obj_class]} unKown !!"
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# end
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# send_file zipfile, :filename => bid.name + ".zip", :type => detect_content_type(zipfile) if zipfile
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#
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# #rescue Exception => e
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# # render file: 'public/no_file_found.html'
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# end
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#
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# #下载某一学生的作业的所有文件
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# def download_user_homework
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# homework = HomeworkAttach.find params[:homework]
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# if User.current.admin? || User.current.member_of_course?(homework.bid.courses.first)
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# if homework != nil
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# unless homework.attachments.empty?
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# zipfile = zip_homework_by_user homework
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# send_file zipfile, :filename => ((homework.user.user_extensions.nil? || homework.user.user_extensions.student_id.nil?) ? "" : homework.user.user_extensions.student_id) +
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# "_" + (homework.user.lastname.nil? ? "" : homework.user.lastname) + (homework.user.firstname.nil? ? "" : homework.user.firstname) +
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# "_" + homework.name + ".zip", :type => detect_content_type(zipfile) if(zipfile)
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# else
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# render file: 'public/no_file_found.html'
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# end
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# else
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# render file: 'public/file_not_found.html'
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# end
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# else
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# render_403
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# end
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# #rescue => e
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# # render file: 'public/file_not_found.html'
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# end
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#
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# private
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#
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# #通过作业Id找到项目（课程）
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# def find_project_by_bid_id
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# obj_class = params[:obj_class]
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# obj_id = params[:obj_id]
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# obj = obj_class.constantize.find(obj_id)
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# case obj.class.to_s.to_sym
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# when :Bid
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# @project = obj.courses[0]
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# end
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# end
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#
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# def zip_bid(bid)
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# # Todo: User Access Controll
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# bid_homework_path = []
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# bid.homeworks.each do |homeattach|
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# unless homeattach.attachments.empty?
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# bid_homework_path << zip_homework_by_user(homeattach)
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# end
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# end
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# zipping "#{Time.now.to_i}_#{bid.name}.zip", bid_homework_path, OUTPUT_FOLDER
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# end
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#
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# def zip_homework_by_user(homeattach)
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# homeworks_attach_path = []
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# not_exist_file = []
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# # 需要将所有homework.attachments遍历加入zip
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# # 并且返回zip路径
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# homeattach.attachments.each do |attach|
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# if File.exist?(attach.diskfile)
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# homeworks_attach_path << attach.diskfile
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# else
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# not_exist_file << attach.filename
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# end
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# end
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# zipping("#{homeattach.user.lastname}#{homeattach.user.firstname}_#{((homeattach.user.user_extensions.nil? || homeattach.user.user_extensions.student_id.nil?) ? "" : homeattach.user.user_extensions.student_id)}_#{Time.now.to_i.to_s}.zip", homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
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# end
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#
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#
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# def zipping(zip_name_refer, files_paths, output_path, is_attachment=false, not_exist_file=[])
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# # 输入待打包的文件列表，已经打包文件定位到ouput_path
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# ic = Iconv.new('GBK//IGNORE', 'UTF-8//IGNORE')
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# input_filename = files_paths
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#
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# rename_zipfile = zip_name_refer ||= "#{Time.now.to_i.to_s}.zip"
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# zipfile_name = "#{output_path}/#{rename_zipfile}"
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#
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# Dir.mkdir(File.dirname(zipfile_name)) unless File.exist?(File.dirname(zipfile_name))
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#
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# Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
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# input_filename.each do |filename|
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# flag = true
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# index = 1
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# rename_file = ic.iconv( (File.basename(filename)) ).to_s
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# rename_file = ic.iconv( filename_to_real( File.basename(filename))).to_s if is_attachment
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#
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# begin
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# zipfile.add(rename_file, filename)
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# flag = false
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# rescue Exception => e
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# zipfile.get_output_stream('FILE_NOTICE.txt') do |os|
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# os.write l(:label_file_exist)
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# end
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# next
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# end
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# end
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# unless not_exist_file.empty?
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# zipfile.get_output_stream('FILE_LOST.txt') do |os|
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# os.write l(:label_file_lost) + not_exist_file.join(',').to_s
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# end
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# end
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# end
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# zipfile_name
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# #rescue Errno => e
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# # logger.error "[zipdown#zipping] ===> #{e}"
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# # @error = e
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# end
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# def detect_content_type(name)
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# content_type = Redmine::MimeType.of(name)
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# content_type.to_s
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# end
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#
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# def filename_to_real(name)
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# attach = Attachment.find_by_disk_filename(name)
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# attach.filename
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# end
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# end |
