作业所有作品附件打包下载
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@ -29,26 +29,25 @@ class ZipdownController < ApplicationController
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render file: 'public/no_file_found.html'
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return
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end
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elsif params[:obj_class] == "HomeworkCommon"
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homework = HomeworkCommon.find params[:obj_id]
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render_403 if User.current.allowed_to?(:as_teacher,homework.course)
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file_count = 0
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homework.student_works.map { |work| file_count += work.attachments.count}
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if file_count > 0
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zipfile = zip_homework_common homework
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else
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render file: 'public/no_file_found.html'
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return
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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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# if zipfile
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# if zipfile.length > 1
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# @mut_down_files = zipfile #zipfile.each{|x| File.basename(x)}
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# else
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# send_file zipfile.first[:real_file], :filename => bid.name + ".zip", :type => detect_content_type(zipfile.first[:real_file])
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# return
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# end
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# end
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respond_to do |format|
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format.json {
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render json: zipfile.to_json
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}
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end
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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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#下载某一学生的作业的所有文件
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@ -98,29 +97,34 @@ class ZipdownController < ApplicationController
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digests << out_file.file_digest
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end
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end
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homework_id = bid.id
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user_id = bid.author_id
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out_file = find_or_pack(homework_id, user_id, digests.sort){
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zipping("#{Time.now.to_i}_#{bid.name}.zip",
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bid_homework_path, OUTPUT_FOLDER)
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}
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[{files:[out_file.file_path], count: 1, index: 1,
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real_file: out_file.file_path, file: File.basename(out_file.file_path),
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size:(out_file.pack_size / 1024.0 / 1024.0).round(2)
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}]
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end
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# zips = split_pack_files(bid_homework_path, Setting.pack_attachment_max_size.to_i*1024)
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# x = 0
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#
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#
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# zips.each { |o|
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# x += 1
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# file = zipping "#{Time.now.to_i}_#{bid.name}_#{x}.zip", o[:files], OUTPUT_FOLDER
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# o[:real_file] = file
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# o[:file] = File.basename(file)
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# o[:size] = (File.size(file) / 1024.0 / 1024.0).round(2)
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# }
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def zip_homework_common homework_common
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bid_homework_path = []
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digests = []
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homework_common.student_works.each do |work|
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unless work.attachments.empty?
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out_file = zip_student_work_by_user(work)
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bid_homework_path << out_file.file_path
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digests << out_file.file_digest
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end
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end
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homework_id = homework_common.id
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user_id = homework_common.user_id
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out_file = find_or_pack(homework_id, user_id, digests.sort){
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zipping("#{Time.now.to_i}_#{homework_common.name}.zip",
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bid_homework_path, OUTPUT_FOLDER)
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}
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[{files:[out_file.file_path], count: 1, index: 1,
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real_file: out_file.file_path, file: File.basename(out_file.file_path),
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size:(out_file.pack_size / 1024.0 / 1024.0).round(2)
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@ -131,8 +135,6 @@ class ZipdownController < ApplicationController
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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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digests = []
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homework_attach.attachments.each do |attach|
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if File.exist?(attach.diskfile)
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@ -143,12 +145,30 @@ class ZipdownController < ApplicationController
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digests << 'not_exist_file'
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end
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end
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out_file = find_or_pack(homework_attach.bid_id, homework_attach.user_id, digests.sort){
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zipping("#{homework_attach.user.lastname}#{homework_attach.user.firstname}_#{((homework_attach.user.user_extensions.nil? || homework_attach.user.user_extensions.student_id.nil?) ? "" : homework_attach.user.user_extensions.student_id)}_#{Time.now.to_i.to_s}.zip",
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homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
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}
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end
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def zip_student_work_by_user work
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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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digests = []
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work.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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digests << attach.digest
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else
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not_exist_file << attach.filename
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digests << 'not_exist_file'
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end
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end
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out_file = find_or_pack(work.homework_common_id, work.user_id, digests.sort){
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zipping("#{work.user.lastname}#{work.user.firstname}_#{((work.user.user_extensions.nil? || work.user.user_extensions.student_id.nil?) ? "" : work.user.user_extensions.student_id)}_#{Time.now.to_i.to_s}.zip",
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homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
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}
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end
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@ -38,7 +38,13 @@
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</span>
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<input type="text" value="<%= @name%>" placeholder="昵称、学号、姓名搜索" class="min_search ml10 fl" onkeypress="SearchByName($(this),'<%= student_work_index_path(:homework => @homework.id)%>',event);">
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<div class="fr">
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<a class="down_btn fr" href="javascript:void(0);">附件</a>
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<% if @homework.student_works.empty?%>
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<%= link_to "附件", "javascript:void(0)", class: "down_btn fr", :onclick => "alert('没有学生提交作业，无法下载附件')" %>
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<% else%>
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<%= link_to "附件", zipdown_assort_path(obj_class: @homework.class, obj_id: @homework, format: :json),
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remote: true, class: "down_btn fr" %>
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<% end%>
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<a class="down_btn fr" href="javascript:void(0);">列表</a>
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<span class="mt3 fr " style="color:#136b3b;">导出全部：</span>
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</div>
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