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33 lines
669 B
Ruby
33 lines
669 B
Ruby
class PostReply < ActiveRecord::Base
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belongs_to :post
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belongs_to :reply, class_name: 'Post'
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validates_uniqueness_of :reply_id, scope: :post_id
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validate :ensure_same_topic
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private
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def ensure_same_topic
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if post.topic_id != reply.topic_id
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self.errors.add(
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:base,
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I18n.t("activerecord.errors.models.post_reply.base.different_topic")
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)
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end
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end
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end
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# == Schema Information
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#
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# Table name: post_replies
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#
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# post_id :integer
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# reply_id :integer
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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# Indexes
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#
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# index_post_replies_on_post_id_and_reply_id (post_id,reply_id) UNIQUE
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#
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