redmine_dmsf/db/migrate/20251015130601_active_storage_migration.rb
2025-10-15 15:50:51 +02:00

83 lines
2.8 KiB
Ruby

# frozen_string_literal: true
# Redmine plugin for Document Management System "Features"
#
# Karel Pičman <karel.picman@kontron.com>
#
# This file is part of Redmine DMSF plugin.
#
# Redmine DMSF plugin is free software: you can redistribute it and/or modify it under the terms of the GNU General
# Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# Redmine DMSF plugin is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with Redmine DMSF plugin. If not, see
# <https://www.gnu.org/licenses/>.
# Migrate documents to/from Active Storage
class ActiveStorageMigration < ActiveRecord::Migration[7.0]
# File system -> Active Storage
def up
$stdout.puts "It could be a very long process. Be patient...\n"
Dir.glob(DmsfFile.storage_path.join('**/*')).each do |path|
# Print out the currently processed directory
unless File.file?(path)
$stdout.puts path
next
end
# Process a file
disk_filename = File.basename(path)
DmsfFileRevision.where(disk_filename: disk_filename)
.order(source_dmsf_file_revision_id: :asc)
.find_each
.with_index do |r, i|
next if r.dmsf_file.project.id != 3886 # Dry run
if i.zero?
r.shared_file.attach(
io: File.open(path),
filename: r.name,
content_type: r.mime_type,
identify: false
)
# Remove the original file
FileUtils.rm path
key = r.shared_file.blob.key
$stdout.puts "#{path} => #{File.join(key[0..1], key[2..3], key)} (#{r.shared_file.blob.filename})"
else
# The other revisions should have set the source revision
unless r.source_dmsf_file_revision_id
warn "r#{r.id}.source_dmsf_file_revision_id is null"
end
end
end
end
$stdout.puts 'Done'
end
# Active Storage -> File system
def down
n = DmsfFileRevision.all.size
$stdout.puts "#{n} revisions found. It could be a very long process. Be patient...\n"
DmsfFileRevision.find_each.with_index do |r, i|
$stdout.print "\r#{i * 100 / n}%"
next unless r.shared_file.attached?
next if r.dmsf_file.project.id != 3886 # Dry run
new_path = r.disk_file(search_if_not_exists: false)
unless File.exist?(new_path)
r.shared_file.open do |f|
FileUtils.mv f.path, new_path
end
end
# Remove the original file
r.shared_file.purge
end
$stdout.puts 'Done'
end
end