rails/activestorage/lib/active_storage/attached.rb
2017-08-29 15:34:50 -04:00

41 lines
1.2 KiB
Ruby

# frozen_string_literal: true
require "action_dispatch"
require "action_dispatch/http/upload"
require "active_support/core_ext/module/delegation"
module ActiveStorage
# Abstract base class for the concrete ActiveStorage::Attached::One and ActiveStorage::Attached::Many
# classes that both provide proxy access to the blob association for a record.
class Attached
attr_reader :name, :record, :dependent
def initialize(name, record, dependent:)
@name, @record, @dependent = name, record, dependent
end
private
def create_blob_from(attachable)
case attachable
when ActiveStorage::Blob
attachable
when ActionDispatch::Http::UploadedFile, Rack::Test::UploadedFile
ActiveStorage::Blob.create_after_upload! \
io: attachable.open,
filename: attachable.original_filename,
content_type: attachable.content_type
when Hash
ActiveStorage::Blob.create_after_upload!(attachable)
when String
ActiveStorage::Blob.find_signed(attachable)
else
nil
end
end
end
end
require "active_storage/attached/one"
require "active_storage/attached/many"
require "active_storage/attached/macros"