forgeplus/lib/tasks/zip_pack.rake

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2020-03-09 00:40:16 +08:00
# 执行示例 bundle exec rake zip_pack:shixun_pack class=Course ids=123,2323 parallel_size=4
# 执行示例 bundle exec rake zip_pack:shixun_pack class=HomeworkCommon ids=123,2323
namespace :zip_pack do
desc "手工打包作品"
OUTPUT_FOLDER = "#{Rails.root}/files/archiveZip"
task :shixun_pack => :environment do
if ENV['class'] && ENV['ids']
parallel_size = ENV['parallel_size'] || 2
parallel_size = parallel_size.to_i
env_ids = ENV['ids'].split(",").map(&:to_i)
folders = []
if ENV['class'] == "Course"
courses = Course.where(id: env_ids)
courses.each do |course|
homeworks = course.practice_homeworks.homework_published
new_dir_name = "#{course.name.to_s.strip}_#{Time.now.strftime("%Y%m%d%H%M%S").to_s}"
new_dir_name.gsub!(" ", "-")
new_dir_name.gsub!("/", "_")
new_folder = "#{OUTPUT_FOLDER}/#{new_dir_name}"
zip_homework_pdf homeworks, new_folder, parallel_size
folders << new_folder
end
else
homeworks = HomeworkCommon.where(id: env_ids)
new_dir_name = "#{homeworks.first&.course&.name.to_s.strip}_#{Time.now.strftime("%Y%m%d%H%M%S").to_s}"
new_dir_name.gsub!(" ", "-")
new_dir_name.gsub!("/", "_")
new_folder = "#{OUTPUT_FOLDER}/#{new_dir_name}"
zip_homework_pdf homeworks, new_folder, parallel_size
folders << new_folder
end
puts "下载路径: #{folders.join(",")}"
end
end
def zip_homework_pdf homeworks, folder, parallel_size
Dir.mkdir(folder) unless File.directory?(folder)
homeworks.includes(:score_student_works).each do |homework|
out_file_name = "#{Time.now.strftime("%Y%m%d%H%M%S").to_s}-#{homework.course_id}-#{homework.name}.zip"
out_file_name.gsub!(" ", "-")
out_file_name.gsub!("/", "_")
zipfile_name = "#{folder}/#{out_file_name}"
student_works = homework.score_student_works
if student_works.size > 0
pdfs = []
file_paths = []
student_works.find_in_batches(batch_size: 500) do |sw|
Parallel.each(sw, in_threads: parallel_size) do |student_work|
export = ExportShixunReportService.new(homework, student_work)
pdf = export.to_pdf
pdfs << pdf
file_paths << {filename: export.filename, path: pdf.path}
puts "out: #{export.filename}_#{pdf.path}"
end
end
Zip::File.open(zipfile_name, Zip::File::CREATE) do |zip|
file_paths.each do |pdf|
begin
zip.add(pdf[:filename], pdf[:path])
rescue => ex
Rails.logger.error(ex.message)
zip.get_output_stream('FILE_NOTICE.txt'){|os| os.write("文件重复:#{export.filename}") }
next
end
end
end
else
zipfile = {:message => "no file"}
end
end
end
# 执行示例 bundle exec rake zip_pack:homework_attach_pack args=123
task :homework_attach_pack => :environment do
include ExportHelper
if ENV['args']
homework_id = ENV['args']
homework = HomeworkCommon.find homework_id
zip_works = homework.student_works.where("work_status > 0")
if zip_works.size > 0
zipfile = zip_homework_common homework, zip_works
else
zipfile = {:message => "no file"}
end
puts "out: #{zipfile}"
end
end
end