24 lines
502 B
Ruby
24 lines
502 B
Ruby
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# requires scope "neighbors_of" to find translations in same scope
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class KnowledgeBase
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module HasUniqueTitle
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extend ActiveSupport::Concern
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included do
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validate :validate_title_uniqueness
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end
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private
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def validate_title_uniqueness
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return if self
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.class
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.where(kb_locale_id: kb_locale_id, title: title)
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.where.not(id: id)
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.neighbours_of(self)
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.none?
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errors.add(:title, 'is already used')
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end
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end
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end
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