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require "fileutils"
require "pathname"
class ActiveFile::Sites::DiskSite < ActiveFile::Site
attr_reader :root
def initialize(root:)
@root = root
end
def upload(key, data)
File.open(make_path_for(key), "wb") do |file|
while chunk = data.read(65536)
file.write(chunk)
end
end
end
def download(key)
if block_given?
File.open(path_for(key)) do |file|
while data = file.read(65536)
yield data
end
end
else
File.open path_for(key), &:read
end
end
def delete(key)
File.delete path_for(key)
end
def exist?(key)
File.exist? path_for(key)
end
def url(key, disposition:, expires_in: nil)
verified_key_with_expiration = ActiveFile::VerifiedKeyWithExpiration.encode(key, expires_in: expires_in)
if defined?(Rails)
Rails.application.routes.url_helpers.rails_disk_blob_path(verified_key_with_expiration)
else
"/rails/blobs/#{verified_key_with_expiration}"
end
end
def byte_size(key)
File.size path_for(key)
end
def checksum(key)
Digest::MD5.file(path_for(key)).hexdigest
end
private
def path_for(key)
File.join root, folder_for(key), key
end
def folder_for(key)
[ key[0..1], key[2..3] ].join("/")
end
def make_path_for(key)
path_for(key).tap { |path| FileUtils.mkdir_p File.dirname(path) }
end
end
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