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# frozen_string_literal: true
require "mini_magick"
module ActiveStorage
module Transformers
class MiniMagickTransformer < Transformer
private
def process(file, format:)
image = MiniMagick::Image.new(file.path, file)
transformations.each do |name, argument_or_subtransformations|
image.mogrify do |command|
if name.to_s == "combine_options"
argument_or_subtransformations.each do |subtransformation_name, subtransformation_argument|
pass_transform_argument(command, subtransformation_name, subtransformation_argument)
end
else
pass_transform_argument(command, name, argument_or_subtransformations)
end
end
end
image.format(format) if format
image.tempfile.tap(&:open)
end
def pass_transform_argument(command, method, argument)
if argument == true
command.public_send(method)
elsif argument.present?
command.public_send(method, argument)
end
end
end
end
end
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