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fab-manager/app/workers/archive_worker.rb

58 lines
2.3 KiB
Ruby

# frozen_string_literal: true
require 'integrity/checksum'
# Will generate a ZIP archive file containing all invoicing data for the given period.
# This file will be asynchronously generated by sidekiq and a notification will be sent to the requesting user when it's done.
class ArchiveWorker
include Sidekiq::Worker
def perform(accounting_period_id)
period = AccountingPeriod.find(accounting_period_id)
invoices = period.invoices.includes(:invoice_items).order(created_at: :asc)
schedules = period.payment_schedules.includes(:payment_schedule_items, :payment_schedule_objects).order(created_at: :asc)
previous_file = period.previous_period&.archive_file
last_archive_checksum = previous_file ? Integrity::Checksum.file(previous_file) : nil
json_data = to_json_archive(period, invoices, schedules, previous_file, last_archive_checksum)
current_archive_checksum = Integrity::Checksum.text(json_data)
date = Time.current.iso8601
chained = Integrity::Checksum.text("#{current_archive_checksum}#{last_archive_checksum}#{date}")
Zip::OutputStream.open(period.archive_file) do |io|
io.put_next_entry(period.archive_json_file)
io.write(json_data)
io.put_next_entry('checksum.sha256')
io.write("#{current_archive_checksum}\t#{period.archive_json_file}")
io.put_next_entry('chained.sha256')
io.write("#{chained}\t#{date}")
end
NotificationCenter.call type: :notify_admin_archive_complete,
receiver: User.where(id: period.closed_by)&.first,
attached_object: period
end
private
def to_json_archive(period, invoices, schedules, previous_file, last_checksum)
code_checksum = Integrity::Checksum.code
ApplicationController.new.view_context.render(
partial: 'archive/accounting',
locals: {
invoices: period.invoices_with_vat(invoices),
schedules: schedules,
period_total: period.period_total,
perpetual_total: period.perpetual_total,
period_footprint: period.footprint,
code_checksum: code_checksum,
last_archive_checksum: last_checksum,
previous_file: previous_file,
software_version: Version.current,
date: Time.current.iso8601
},
formats: [:json],
handlers: [:jbuilder]
)
end
end