Sha256: ec39b409395d6634ea17e29dba13a382a2a5a4b03168779497a33222c48c3f7d
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Size: 1.28 KB
Versions: 13
Compression:
Stored size: 1.28 KB
Contents
# frozen_string_literal: true
require 'tempfile'
class PgExport
module ValueObjects
class DumpFile
def initialize(file = Tempfile.new)
@file = file
end
def path
file.path
end
def size
file.size
end
def rewind
file.rewind
end
def read
file.read
end
def copy(cipher:)
cipher.reset
new_self = self.class.new
new_self.write do |f|
each_chunk do |chunk|
f << cipher.update(chunk)
end
f << cipher.final
end
new_self
end
def write(&block)
File.open(path, 'w', &block)
end
def each_chunk
File.open(path, 'r') do |file|
yield file.read(CHUNK_SIZE) until file.eof?
end
end
def size_human
MAPPING.each_pair { |e, s| return "#{(size.to_f / (s / 1024)).round(2)}#{e}" if size < s }
end
private
CHUNK_SIZE = (2**16).freeze
MAPPING = {
'B' => 1024,
'kB' => 1024 * 1024,
'MB' => 1024 * 1024 * 1024,
'GB' => 1024 * 1024 * 1024 * 1024,
'TB' => 1024 * 1024 * 1024 * 1024 * 1024
}.freeze
private_constant :CHUNK_SIZE, :MAPPING
attr_reader :file
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems