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# frozen_string_literal: true
module Projects
module HashedStorage
AttachmentMigrationError = Class.new(StandardError)
class MigrateAttachmentsService < BaseService
attr_reader :logger, :old_disk_path, :new_disk_path
def initialize(project, old_disk_path, logger: nil)
@project = project
@logger = logger || Rails.logger
@old_disk_path = old_disk_path
@new_disk_path = project.disk_path
@skipped = false
end
def execute
origin = FileUploader.absolute_base_dir(project)
# It's possible that old_disk_path does not match project.disk_path. For example, that happens when we rename a project
origin.sub!(/#{Regexp.escape(project.full_path)}\z/, old_disk_path)
project.storage_version = ::Project::HASHED_STORAGE_FEATURES[:attachments]
target = FileUploader.absolute_base_dir(project)
result = move_folder!(origin, target)
project.save!
if result && block_given?
yield
end
result
end
def skipped?
@skipped
end
private
def move_folder!(old_path, new_path)
unless File.directory?(old_path)
logger.info("Skipped attachments migration from '#{old_path}' to '#{new_path}', source path doesn't exist or is not a directory (PROJECT_ID=#{project.id})")
@skipped = true
return true
end
if File.exist?(new_path)
logger.error("Cannot migrate attachments from '#{old_path}' to '#{new_path}', target path already exist (PROJECT_ID=#{project.id})")
raise AttachmentMigrationError, "Target path '#{new_path}' already exist"
end
# Create hashed storage base path folder
FileUtils.mkdir_p(File.dirname(new_path))
FileUtils.mv(old_path, new_path)
logger.info("Migrated project attachments from '#{old_path}' to '#{new_path}' (PROJECT_ID=#{project.id})")
true
end
end
end
end
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