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|
# 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
|
