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73 lines
2.5 KiB
Ruby
73 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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# regenerate the accounting periods affected by the current bug (period totals are wrong due to wrong VAT computation)
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class FixAccountingPeriods < ActiveRecord::Migration[5.2]
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def change
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# first, check the footprints
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check_footprints
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# if everything is ok, proceed with migration
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# remove periods (backup their parameters in memory)
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periods = backup_and_remove_periods
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# recreate periods from memory dump
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restore_periods(periods)
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end
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def check_footprints
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if AccountingPeriod.count.positive?
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last_period = AccountingPeriod.order(start_at: :desc).first
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puts "Checking invoices footprints from #{last_period.end_at}. This may take a while..."
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Invoice.where('created_at > ?', last_period.end_at).order(:id).each do |i|
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raise "Invalid footprint for invoice #{i.id}" unless i.check_footprint
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end
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else
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puts 'Checking all invoices footprints. This may take a while...'
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Invoice.order(:id).all.each do |i|
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raise "Invalid footprint for invoice #{i.id}" unless i.check_footprint
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end
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end
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end
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# will return an array of hash containing the removed periods data
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def backup_and_remove_periods
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return [] unless AccountingPeriod.where("created_at > '2019-08-01' AND created_at < '2020-05-12'").count.positive?
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puts 'Removing erroneous accounting archives...'
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# 1. remove protection for AccountingPeriods
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execute("DROP RULE IF EXISTS accounting_periods_del_protect ON #{AccountingPeriod.arel_table.name};")
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# 2. backup AccountingPeriods in memory
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periods = []
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AccountingPeriod.where("created_at > '2019-08-01'").each do |p|
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periods.push(
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start_at: p.start_at,
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end_at: p.end_at,
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closed_at: p.closed_at,
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closed_by: p.closed_by
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)
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end
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# 3. Delete periods from database
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AccountingPeriod.where("created_at > '2019-08-01'").each do |ap|
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execute("DELETE FROM accounting_periods WHERE ID=#{ap.id};")
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end
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periods
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end
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def restore_periods(periods)
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return unless periods.size.positive?
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# 1. recreate AccountingPeriods
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puts 'Recreating accounting archives. This may take a while...'
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periods.each do |p|
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AccountingPeriod.create!(
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start_at: p[:start_at],
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end_at: p[:end_at],
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closed_at: p[:closed_at],
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closed_by: p[:closed_by]
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)
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end
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# 2. reset protection for AccountingPeriods
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execute("CREATE RULE accounting_periods_del_protect AS ON DELETE TO #{AccountingPeriod.arel_table.name} DO INSTEAD NOTHING;")
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end
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end
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