discourse/lib/backup_restore/local_backup_store.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.

Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
2019-05-13 09:31:32 +08:00

74 lines
2.0 KiB
Ruby

# frozen_string_literal: true
require_dependency "backup_restore/backup_store"
require_dependency "disk_space"
module BackupRestore
class LocalBackupStore < BackupStore
def self.base_directory(db: nil, root_directory: nil)
current_db = db || RailsMultisite::ConnectionManagement.current_db
root_directory ||= File.join(Rails.root, "public", "backups")
base_directory = File.join(root_directory, current_db)
FileUtils.mkdir_p(base_directory) unless Dir.exists?(base_directory)
base_directory
end
def self.chunk_path(identifier, filename, chunk_number)
File.join(LocalBackupStore.base_directory, "tmp", identifier, "#{filename}.part#{chunk_number}")
end
def initialize(opts = {})
@base_directory = LocalBackupStore.base_directory(root_directory: opts[:root_directory])
end
def remote?
false
end
def file(filename, include_download_source: false)
path = path_from_filename(filename)
create_file_from_path(path, include_download_source) if File.exists?(path)
end
def delete_file(filename)
path = path_from_filename(filename)
if File.exists?(path)
File.delete(path)
reset_cache
end
end
def download_file(filename, destination, failure_message = "")
path = path_from_filename(filename)
Discourse::Utils.execute_command('cp', path, destination, failure_message: failure_message)
end
private
def unsorted_files
files = Dir.glob(File.join(@base_directory, "*.{gz,tgz}"))
files.map! { |filename| create_file_from_path(filename) }
files
end
def path_from_filename(filename)
File.join(@base_directory, filename)
end
def create_file_from_path(path, include_download_source = false)
BackupFile.new(
filename: File.basename(path),
size: File.size(path),
last_modified: File.mtime(path).utc,
source: include_download_source ? path : nil
)
end
def free_bytes
DiskSpace.free(@base_directory)
end
end
end