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class TalkPreference < ActiveRecord::Base
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self.primary_key = :unique_id
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serialize :talks, Array
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before_create :assign_new_unique_id
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private
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def assign_new_unique_id
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self.unique_id = SecureRandom.uuid
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self.hashed_unique_id = Digest::SHA1.hexdigest(self.unique_id)
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end
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end
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