34 lines
723 B
Ruby
34 lines
723 B
Ruby
class Post < ApplicationRecord
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belongs_to :user
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belongs_to :quoted_post, optional: true, class_name: 'Post'
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validates :content, length: { maximum: 777 }
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validates :content, presence: true, unless: :repost?
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validate :user, :limit_of_post_per_day
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def repost?
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kind == :quoted_post
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end
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def kind
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if quoted_post_id.blank?
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:post
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elsif content.blank? && quoted_post_id.present?
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:repost
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else
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:quoted_post
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end
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end
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private
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def limit_of_post_per_day
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posts_from_day = user&.posts&.where('created_at >= ?', Time.zone.now.beginning_of_day)
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return if posts_from_day && posts_from_day.count < 5
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errors.add(:base, 'You can post only 5 posts per day')
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end
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end
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