class ActiveStorage::Service::DiskService
Attributes
root[R]
Public Class Methods
new(root:)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 8 def initialize(root:) @root = root end
Public Instance Methods
delete(key)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 34 def delete(key) File.delete path_for(key) rescue Errno::ENOENT # Ignore files already deleted end
download(key) { |data| ... }
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 22 def download(key) if block_given? File.open(path_for(key)) do |file| while data = file.read(64.kilobytes) yield data end end else File.open path_for(key), &:read end end
exist?(key)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 38 def exist?(key) File.exist? path_for(key) end
upload(key, io, checksum: nil)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 12 def upload(key, io, checksum: nil) File.open(make_path_for(key), "wb") do |file| while chunk = io.read(64.kilobytes) file.write(chunk) end end ensure_integrity_of(key, checksum) if checksum end
url(key, expires_in:, disposition:, filename:)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 42 def url(key, expires_in:, disposition:, filename:) verified_key_with_expiration = ActiveStorage::VerifiedKeyWithExpiration.encode(key, expires_in: expires_in) if defined?(Rails) && defined?(Rails.application) Rails.application.routes.url_helpers.rails_disk_blob_path(verified_key_with_expiration, disposition: disposition) else "/rails/blobs/#{verified_key_with_expiration}?disposition=#{disposition}" end end
Private Instance Methods
ensure_integrity_of(key, checksum)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 65 def ensure_integrity_of(key, checksum) unless Digest::MD5.file(path_for(key)).base64digest == checksum raise ActiveStorage::IntegrityError end end
folder_for(key)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 57 def folder_for(key) [ key[0..1], key[2..3] ].join("/") end
make_path_for(key)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 61 def make_path_for(key) path_for(key).tap { |path| FileUtils.mkdir_p File.dirname(path) } end
path_for(key)
click to toggle source
# File lib/active_storage/service/disk_service.rb, line 53 def path_for(key) File.join root, folder_for(key), key end