20 lines
487 B
Ruby
20 lines
487 B
Ruby
class Comment < ActiveRecord::Base
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acts_as_nested_set scope: [:commentable_id, :commentable_type]
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validates :body, presence: true
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validates :user, presence: true
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belongs_to :commentable, polymorphic: true
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belongs_to :user
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def self.build(commentable, user, body)
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new commentable: commentable,
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user_id: user.id,
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body: body
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end
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def self.find_parent(params)
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params[:commentable_type].constantize.find(params[:commentable_id])
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end
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end
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