29 lines
858 B
Ruby
29 lines
858 B
Ruby
class RatingVote < ApplicationRecord
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belongs_to :article
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belongs_to :user
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validates :user_id, uniqueness: { scope: :article_id }
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validates :group, inclusion: { in: %w[experience_level] }
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validates :rating, numericality: { greater_than: 0.0, less_than_or_equal_to: 10.0 }
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validate :permissions
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counter_culture :article
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counter_culture :user
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def assign_article_rating
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ratings = article.rating_votes.where(group: group).pluck(:rating)
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average = ratings.sum / ratings.size
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article.update_columns(
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experience_level_rating: average,
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experience_level_rating_distribution: ratings.max - ratings.min,
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last_experience_level_rating_at: Time.current,
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)
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end
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private
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def permissions
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errors.add(:user_id, "is not permitted to take this action.") if !user&.trusted && user_id != article&.user_id
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end
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end
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