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class UploadPhoto
attr_reader :cake, :storage
def initialize(cake)
@cake = cake
@storage = TemporaryStorage.new
end
def run(attributes)
with_transaction do
create_photo!(attributes[:watermark]) do |photo|
ProcessPhotoJob.perform_later(photo, storage.store(attributes[:image]))
end
end
end
private
def with_transaction
ActiveRecord::Base.transaction do
yield
end
end
def create_photo!(watermark)
cake.photos.create!(image_processing: true, watermark: watermark).tap do |photo|
yield photo
end
end
end
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