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class ContestantForContest < ActiveRecord::Base
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belongs_to :contest
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attr_accessible :student_id, :contest_id
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belongs_to :contestants, :class_name => 'User', :foreign_key => :student_id
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validates_presence_of :contest_id, :student_id
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validates_uniqueness_of :student_id, :scope => :contest_id
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end
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