15 lines
364 B
Ruby
15 lines
364 B
Ruby
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class IdCard::EmployerLogo < ApplicationRecord
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before_save :calculate_aspect_ratio, if: :image_data_changed?
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private
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def calculate_aspect_ratio
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image_io = StringIO.new(self.image_data)
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width, height = FastImage.size(image_io)
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image_ratio = width.to_f / height
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if image_ratio
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self.aspect_ratio = image_ratio.round(2)
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end
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end
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end
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