mirror of https://github.com/Siphonay/mastodon
50 lines
1.2 KiB
Ruby
50 lines
1.2 KiB
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
require 'mime/types/columnar'
|
||
|
|
|
||
|
|
module Paperclip
|
||
|
|
class ImageExtractor < Paperclip::Processor
|
||
|
|
IMAGE_EXTRACTION_OPTIONS = {
|
||
|
|
convert_options: {
|
||
|
|
output: {
|
||
|
|
'loglevel' => 'fatal',
|
||
|
|
vf: 'scale=\'min(400\, iw):min(400\, ih)\':force_original_aspect_ratio=decrease',
|
||
|
|
}.freeze,
|
||
|
|
}.freeze,
|
||
|
|
format: 'png',
|
||
|
|
time: -1,
|
||
|
|
file_geometry_parser: FastGeometryParser,
|
||
|
|
}.freeze
|
||
|
|
|
||
|
|
def make
|
||
|
|
return @file unless options[:style] == :original
|
||
|
|
|
||
|
|
image = begin
|
||
|
|
begin
|
||
|
|
Paperclip::Transcoder.make(file, IMAGE_EXTRACTION_OPTIONS.dup, attachment)
|
||
|
|
rescue Paperclip::Error, ::Av::CommandError
|
||
|
|
nil
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
unless image.nil?
|
||
|
|
begin
|
||
|
|
attachment.instance.thumbnail = image if image.size.positive?
|
||
|
|
ensure
|
||
|
|
# Paperclip does not automatically delete the source file of
|
||
|
|
# a new attachment while working on copies of it, so we need
|
||
|
|
# to make sure it's cleaned up
|
||
|
|
|
||
|
|
begin
|
||
|
|
FileUtils.rm(image)
|
||
|
|
rescue Errno::ENOENT
|
||
|
|
nil
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
@file
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|