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