Jason Jordan
34 lines
947 B
Ruby
34 lines
947 B
Ruby
module IdCard
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class EmployerLogo < ApplicationRecord
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belongs_to :setup, optional: true
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validates :filename, :image_data, :content_type, :aspect_ratio, presence: true
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validates :filename, uniqueness: true
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before_validation :process_image, if: :image_data_changed?
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private
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def process_image
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image = Vips::Image.new_from_buffer(self.image_data, "")
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resized_image = ImageProcessing::Vips
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.source(image)
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.resize_to_limit(nil, 400)
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processed_image = resized_image.convert("png").call
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new_image_data = processed_image.read
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if new_image_data
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self.image_data = new_image_data
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self.filename = File.basename(self.filename, File.extname(self.filename)) + ".png"
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self.content_type = "image/png"
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end
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image_ratio = image.width.to_f / image.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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end
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