34 lines
705 B
Ruby
34 lines
705 B
Ruby
class AutoRotateService
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def process(file, output)
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auto_rotate_image(file, output)
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end
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private
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def auto_rotate_image(file, output)
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image = MiniMagick::Image.new(file.to_path)
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return nil if !image.valid?
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case image["%[orientation]"]
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when 'LeftBottom'
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rotate_image(file, output, 90)
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when 'BottomRight'
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rotate_image(file, output, 180)
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when 'RightTop'
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rotate_image(file, output, 270)
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else
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nil
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end
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end
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def rotate_image(file, output, degree)
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MiniMagick::Tool::Convert.new do |convert|
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convert << file.to_path
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convert.rotate(degree)
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convert.auto_orient
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convert << output.to_path
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end
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output
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end
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end
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