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class Journal
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include Mongoid::Document
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include Mongoid::Timestamps
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field :user_id
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field :title
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belongs_to :user
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has_many :papers, :autosave => true, :dependent => :destroy
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before_create :initialize_paper
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def initialize_paper
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for i in 0..11
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self.papers.build
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end
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end
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end
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