25 lines
		
	
	
		
			513 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			513 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # == Schema Information
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| #
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| # Table name: categories
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| #
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| #  id         :integer          not null, primary key
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| #  name       :string
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| #  created_at :datetime         not null
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| #  updated_at :datetime         not null
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| #  contest_id :integer          not null
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| #
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| # Indexes
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| #
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| #  index_categories_on_contest_id  (contest_id)
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| #
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| # Foreign Keys
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| #
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| #  contest_id  (contest_id => contests.id)
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| #
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| class Category < ApplicationRecord
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|   belongs_to :contest
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|   has_and_belongs_to_many :contestants
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| 
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|   validates :name, presence: true
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| end
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