Contents

module Alchemy
  class PictureThumb < BaseRecord
    # Stores the render result of a Alchemy::PictureVariant
    # in the Dragonfly S3 datastore
    #
    class Create
      def self.call(variant, signature, uid)
        # create the thumb before uploading
        # to prevent db race conditions
        thumb = variant.picture.thumbs.create!(
          picture: variant.picture,
          signature: signature,
          uid: uid,
        )
        begin
          # fetch and process the image
          image = variant.image
          # upload the processed image
          image.store(path: uid)
        rescue RuntimeError, Excon::Error => e
          Rails.logger.warn(e)
          # destroy the thumb if processing or upload fails
          thumb.destroy
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
alchemy-dragonfly-s3-4.0.5	app/models/alchemy/picture_thumb/create.rb
alchemy-dragonfly-s3-5.0.6	app/models/alchemy/picture_thumb/create.rb