mirror of
https://github.com/scinote-eln/scinote-web.git
synced 2024-09-20 23:16:15 +08:00
351 lines
12 KiB
Ruby
351 lines
12 KiB
Ruby
require 'zip'
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require 'fileutils'
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require 'csv'
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# To use ZipExport you have to define the generate_( type )_zip method!
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# Example:
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# def generate_(type)_zip(tmp_dir, data, options = {})
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# attributes = options.fetch(:attributes) { :attributes_missing }
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# file = FileUtils.touch("#{tmp_dir}/export.csv").first
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# records = data
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# CSV.open(file, 'wb') do |csv|
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# csv << attributes
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# records.find_each do |entity|
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# csv << entity.values_at(*attributes.map(&:to_sym))
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# end
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# end
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# end
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class ZipExport < ApplicationRecord
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belongs_to :user, optional: true
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has_attached_file :zip_file
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validates_attachment :zip_file,
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content_type: { content_type: 'application/zip' }
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# When using S3 file upload, we can limit file accessibility with url signing
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def presigned_url(style = :original,
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download: false,
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timeout: Constants::URL_SHORT_EXPIRE_TIME)
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if stored_on_s3?
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if download
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download_arg = 'attachment; filename=' + URI.escape(zip_file_file_name)
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else
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download_arg = nil
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end
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signer = Aws::S3::Presigner.new(client: S3_BUCKET.client)
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signer.presigned_url(:get_object,
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bucket: S3_BUCKET.name,
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key: zip_file.path(style)[1..-1],
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expires_in: timeout,
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response_content_disposition: download_arg)
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end
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end
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def stored_on_s3?
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zip_file.options[:storage].to_sym == :s3
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end
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def generate_exportable_zip(user, data, type, options = {})
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FileUtils.mkdir_p(File.join(Rails.root, 'tmp/zip-ready'))
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dir_to_zip = FileUtils.mkdir_p(
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File.join(Rails.root, "tmp/temp-zip-#{Time.now.to_i}")
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).first
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output_file = File.new(
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File.join(Rails.root, "tmp/zip-ready/export-#{Time.now.to_i}.zip"),
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'w+'
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)
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fill_content(dir_to_zip, data, type, options)
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zip!(dir_to_zip, output_file.path)
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self.zip_file = File.open(output_file)
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generate_notification(user) if save
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end
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def generate_export_all_zip(user, data, type, options = {})
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FileUtils.mkdir_p(File.join(Rails.root, 'tmp/zip-ready'))
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dir_to_zip = FileUtils.mkdir_p(
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File.join(Rails.root, "tmp/temp-zip-#{Time.now.to_i}")
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).first
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output_file = File.new(
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File.join(Rails.root,
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"tmp/zip-ready/projects_export-timestamp-#{Time.now.to_i}.zip"
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),
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'w+'
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)
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fill_content(dir_to_zip, data, type, options)
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zip_all!(dir_to_zip, output_file.path)
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self.zip_file = File.open(output_file)
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generate_notification(user) if save
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end
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handle_asynchronously :generate_exportable_zip
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#handle_asynchronously :generate_export_all_zip
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private
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# Zip the input directory.
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def write()
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entries = Dir.entries(@inputDir); entries.delete("."); entries.delete("..")
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io = Zip::File.open(@outputFile, Zip::File::CREATE);
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writeEntries(entries, "", io)
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io.close();
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end
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# A helper method to make the recursion work.
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private
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def writeEntries(input_dir, entries, path, io)
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entries.each { |e|
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zipFilePath = path == "" ? e : File.join(path, e)
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diskFilePath = File.join(input_dir, zipFilePath)
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puts "Deflating " + diskFilePath
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if File.directory?(diskFilePath)
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io.mkdir(zipFilePath)
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subdir =Dir.entries(diskFilePath); subdir.delete("."); subdir.delete("..")
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writeEntries(input_dir, subdir, zipFilePath, io)
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else
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io.get_output_stream(zipFilePath) { |f| f.puts(File.open(diskFilePath, "rb").read())}
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end
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}
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end
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#def method_missing(m, *args, &block)
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#puts 'Method is missing! To use this zip_export you have to ' \
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#'define a method: generate_( type )_zip.'
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#object.public_send(m, *args, &block)
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#end
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def respond_to_missing?(method_name, include_private = false)
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method_name.to_s.start_with?(' generate_') || super
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end
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def fill_content(dir, data, type, options = {})
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eval("generate_#{type}_zip(dir, data, options)")
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end
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def generate_notification(user)
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notification = Notification.create(
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type_of: :deliver,
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title: I18n.t('zip_export.notification_title'),
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message: "<a data-id='#{id}' " \
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"href='#{Rails.application
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.routes
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.url_helpers
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.zip_exports_download_path(self)}'>" \
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"#{zip_file_file_name}</a>"
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)
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UserNotification.create(notification: notification, user: user)
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end
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def zip!(input_dir, output_file)
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files = Dir.entries(input_dir)
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files.delete_if { |el| el == '..' || el == '.' }
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Zip::File.open(output_file, Zip::File::CREATE) do |zipfile|
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files.each do |filename|
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zipfile.add(filename, input_dir + '/' + filename)
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end
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end
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end
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def zip_all!(input_dir, output_file)
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files = Dir.entries(input_dir)
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files.delete_if { |el| el == '..' || el == '.' }
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Zip::File.open(output_file, Zip::File::CREATE) do |zipfile|
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#files.each do |filename|
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#zipfile.add(filename, input_dir + '/' + filename)
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#end
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writeEntries(input_dir, files, "", zipfile)
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end
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end
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def handle_asset_name(name, type)
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if type == :step
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end
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end
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def generate_samples_zip(tmp_dir, data, _options = {})
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file = FileUtils.touch("#{tmp_dir}/export.csv").first
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File.open(file, 'wb') { |f| f.write(data) }
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end
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def generate_repositories_zip(tmp_dir, data, _options = {})
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file = FileUtils.touch("#{tmp_dir}/export.csv").first
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File.open(file, 'wb') { |f| f.write(data) }
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end
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MAX_NAME_SIZE = 20
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def handle_name(name)
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# Handle reserved directories
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if name == '..'
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return '__'
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elsif name == '.'
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return '.'
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end
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# Truncate and replace reserved characters
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name = name[0, MAX_NAME_SIZE].gsub(/[*":<>?\/\\|~]/, '_')
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# Remove control characters
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name = name.chars.map{|s| s.ord}.select{|s| (s > 31 && s < 127) || s > 127}.pack("U*")
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# Remove leading hyphens, trailing dots/spaces
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name.gsub(/^-|\.+$| +$/, '_')
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end
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def export_assets(assets, directory)
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# Helper method to extract given assets to the directory
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assets.each_with_index do |asset, i|
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file = FileUtils.touch("#{directory}/#{asset.file_file_name}_#{i}").first
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File.open(file, 'wb') { |f| f.write(asset.open.read) }
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end
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end
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def export_step_assets(assets, directory)
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# Helper method to extract given step assets to the directory
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assets.each_with_index do |step_asset, i|
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asset = step_asset.asset
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file = FileUtils.touch(
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"#{directory}/#{asset.file_file_name}_#{i}_Step#{step_asset.step.position+1}"
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).first
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File.open(file, 'wb') { |f| f.write(asset.open.read) }
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end
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end
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def export_step_tables(tables, directory)
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# Helper method to extract given tables to the directory
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tables.each_with_index do |table, i|
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table_name = table.name.presence || 'Table'
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table_name += i.to_s
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file = FileUtils.touch(
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"#{directory}/#{handle_name(table_name)}_#{i}_Step#{step_asset.step.position+1}}.csv"
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).first
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File.open(file, 'wb') { |f| f.write(table.to_csv) }
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end
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end
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def export_tables(tables, directory)
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# Helper method to extract given tables to the directory
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tables.each_with_index do |table, i|
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table_name = table.name.presence || 'Table'
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table_name += i.to_s
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file = FileUtils.touch("#{directory}/#{table_name}.csv").first
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File.open(file, 'wb') { |f| f.write(table.to_csv) }
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end
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end
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def save_inventories_to_csv(path, repo, repo_rows, id)
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# Helper method for saving inventories to CSV
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repo_name = handle_name(repo.name) + "_#{id}"
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file = FileUtils.touch("#{path}/#{repo_name}.csv").first
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# Attachment folder
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rel_attach_path = "#{repo_name}_ATTACHMENTS"
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attach_path = "#{path}/#{rel_attach_path}"
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FileUtils.mkdir_p(attach_path)
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# Define headers and columns IDs
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headers = ['ID', 'Name', 'Added on', 'Added by'] +
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repo.repository_columns.map{|x| x.name}
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col_ids = repo.repository_columns.map{|x| x.id}
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# Generate CSV
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assets = []
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csv_data = CSV.generate do |csv|
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csv << headers
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repo_rows.each do |row|
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csv_row = [row.id, row.name, row.created_at, row.created_by.name]
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# TODO: take care of uneven number of columns
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row.repository_cells.each do |cell|
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case cell.value_type
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when 'RepositoryAssetValue'
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csv_row << "#{rel_attach_path}/#{cell.value.asset.file_file_name}"
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assets << cell.value.asset
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when 'RepositoryListValue'
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csv_row << cell.value.formatted
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when 'RepositoryDateValue'
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csv_row << cell.value.formatted
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when 'RepositoryTextValue'
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csv_row << cell.value.formatted
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end
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end
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csv << csv_row
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end
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end
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File.open(file, 'wb') { |f| f.write(csv_data) }
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# Save all attachments
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assets.each_with_index do |asset, i|
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file = FileUtils.touch("#{attach_path}/#{asset.file_file_name}_#{i}").first
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File.open(file, 'wb') { |f| f.write(asset.open.read) }
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end
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end
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def generate_teams_zip(tmp_dir, data, _options = {})
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# Export all functionality
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# Create team folder
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team = _options[:team]
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team_path = "#{tmp_dir}/#{handle_name(team.name)}"
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FileUtils.mkdir_p(team_path)
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# Create Projects folders
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FileUtils.mkdir_p("#{team_path}/Projects")
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FileUtils.mkdir_p("#{team_path}/Archived projects")
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# Iterate through every project
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data.each_with_index do |(id, p), ind|
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project_name = handle_name(p.name) + "_#{ind}"
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root = p.archived ? "#{team_path}/Archived projects" : "#{team_path}/Projects"
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root += "/#{project_name}"
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FileUtils.mkdir_p(root)
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file = FileUtils.touch("#{root}/#{project_name}_REPORT.pdf").first
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inventories = "#{root}/Inventories"
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FileUtils.mkdir_p(inventories)
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# Find all assigned inventories through all tasks in the project
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task_ids = p.project_my_modules
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repo_rows = RepositoryRow.joins(:my_modules).where(my_modules:
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{ id: task_ids }
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).distinct
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# Iterate through every inventory repo and save it to CSV
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repo_rows.map{|x| x.repository}.uniq.each_with_index do |repo, repo_ind|
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curr_repo_rows = repo_rows.select{|x| x.repository_id == repo.id}
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save_inventories_to_csv(inventories, repo, curr_repo_rows, repo_ind)
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end
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# Include all experiments
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p.experiments.each_with_index do |ex, ex_ind|
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experiment_path = "#{root}/#{handle_name(ex.name)}_#{ex_ind}"
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FileUtils.mkdir_p(experiment_path)
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# Include all modules
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ex.my_modules.each_with_index do |my_module, mod_ind|
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my_module_path = "#{experiment_path}/#{handle_name(my_module.name)}_#{mod_ind}"
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FileUtils.mkdir_p(my_module_path)
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protocol_path = "#{my_module_path}/Protocol attachments"
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result_path = "#{my_module_path}/Result attachments"
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FileUtils.mkdir_p(protocol_path)
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FileUtils.mkdir_p(result_path)
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steps = my_module.protocols.map{ |p| p.steps }.flatten
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export_step_assets(StepAsset.where(step: steps), protocol_path)
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export_tables(StepTable.where(step: steps).map {|s| s.table}, protocol_path)
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export_assets(ResultAsset.where(result: my_module.results).map {|r| r.asset}, result_path)
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export_tables(ResultTable.where(result: my_module.results).map {|r| r.table}, result_path)
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end
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end
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end
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end
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end
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