30 行
847 B
Ruby
30 行
847 B
Ruby
class PostVersion < ApplicationRecord
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include VersionRecord
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scope :with_previous_version, -> {
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joins('LEFT JOIN post_versions prev ON prev.post_id = post_versions.post_id ' +
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'AND prev.version_no = post_versions.version_no - 1 AND ' +
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HistoryAccess.sql(PostVersion, 'prev'))
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}
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belongs_to :post
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belongs_to :parent, class_name: 'Post', optional: true
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validates :url, presence: true
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validates :video_ms, numericality: { only_integer: true, greater_than: 0 }, allow_nil: true
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validate :validate_original_created_range
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private
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def validate_original_created_range
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f = original_created_from
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b = original_created_before
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return if f.blank? || b.blank?
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if f >= b
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errors.add :original_created_before, 'オリジナルの作成日時の順番がをかしぃです．'
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end
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end
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end
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