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18 lines
477 B
Ruby
18 lines
477 B
Ruby
class Translation < ActiveRecord::Base
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belongs_to :problem, inverse_of: :translations
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validates :title, :content, :problem_id, presence: true
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validate :title_is_unique_among_other_problems
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self.per_page = 50
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def title_is_unique_among_other_problems
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Problem.includes(:translation).where.not(id: problem_id).each do |problem|
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if problem.is_translated? and problem.title == title
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errors.add(:title, :taken)
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break
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end
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end
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end
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end
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