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class ZipdownController < ApplicationController
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SAVE_FOLDER = "#{Rails.root}/files"
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OUTPUT_FOLDER = "#{Rails.root}/tmp/archiveZip"
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def assort
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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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zipfile = nil
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case obj.class.to_s.to_sym
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when :Bid
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zipfile = zip_bid obj
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else
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logger.error "[ZipDown#assort] ===> #{obj.class.to_s.to_sym} unKown !!"
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end
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send_file zipfile, :filename => obj.name, :type => detect_content_type(zipfile) if zipfile
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#rescue NameError, ActiveRecord::RecordNotFound => e
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#logger.error "[ZipDown] ===> #{e}"
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#@error = e
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end
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private
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def zip_bid(bid)
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# Todo: User Access Controll
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homeattaches = bid.homeworks
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# 得到每一个人所有文件打包的zip文件
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# 并将每一个人的zip打包为一个并返回路径
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user_zip_paths = homeattaches.map do |homeattach|
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zip_homework_by_user homeattach
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end
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zipping "#{Time.now.to_i}_#{bid.name}.zip", user_zip_paths, OUTPUT_FOLDER
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#@paths = homeworks_attach_path
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#zipfile = ziping homeworks_attach_path
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#send_file zipfile, :filename => bid.name,
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# :type => detect_content_type(zipfile)
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#rescue Errno::ENOENT => e
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# logger.error "[Errno::ENOENT] ===> #{e}"
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# @error = e
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end
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def zip_homework_by_user(homeattach)
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homeworks_attach_path = []
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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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user_attaches_paths = homeattach.attachments.each do |attach|
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#length = attach.storage_path.length
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homeworks_attach_path << attach.diskfile#.to_s.slice((length+1)..-1)
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end
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zipping "#{Time.now.to_i}_#{homeattach.user.name.to_s}.zip", homeworks_attach_path, OUTPUT_FOLDER, true
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end
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def zipping(zip_name_refer, files_paths, output_path, is_attachment=false)
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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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rename_zipfile = zip_name_refer ||= "archive_#{Time.now.to_i}.zip"
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zipfile_name = "#{output_path}/#{rename_zipfile}"
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Dir.mkdir(File.dirname(zipfile_name)) unless File.exist?(File.dirname(zipfile_name))
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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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rename_file = Time.now.to_i.to_s+ 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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zipfile.add(rename_file, filename)
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end
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zipfile.get_output_stream('ReadMe') do |os|
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os.write 'Homeworks'
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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 ziping files_path
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# ic = Iconv.new('GBK//IGNORE', 'UTF-8//IGNORE')
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# folder = SaveFolder
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# input_filename = files_path
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# zipfile_name = "#{OutputFolder}/archive_#{Time.now.to_i}.zip"
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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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# Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
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# input_filename.each do |filename|
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# zipfile.add(ic.iconv(filename_to_real(File.basename(filename))), folder + '/' + filename)
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# end
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# zipfile.get_output_stream("ReadMe") { |os|
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# os.write "Homeworks"
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# }
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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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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
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