51 lines
1.2 KiB
Ruby
51 lines
1.2 KiB
Ruby
class CommentVote < ApplicationRecord
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class Error < StandardError; end
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belongs_to :comment
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belongs_to :user
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validates_presence_of :score
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validates_uniqueness_of :user_id, :scope => :comment_id, :message => "have already voted for this comment"
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validate :validate_comment_can_be_down_voted
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validates_inclusion_of :score, :in => [-1, 1], :message => "must be 1 or -1"
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def self.visible(user)
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if user.is_moderator?
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all
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elsif user.is_member?
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where(user: user)
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else
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none
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end
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end
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def self.comment_matches(params)
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return all if params.blank?
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where(comment_id: Comment.search(params).reorder(nil).select(:id))
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end
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def self.search(params)
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q = super
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q = q.search_attributes(params, :comment_id, :user, :score)
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q = q.comment_matches(params[:comment])
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q.apply_default_order(params)
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end
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def validate_comment_can_be_down_voted
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if is_positive? && comment.creator == CurrentUser.user
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errors.add :base, "You cannot upvote your own comments"
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end
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end
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def is_positive?
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score == 1
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end
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def is_negative?
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score == -1
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end
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def self.available_includes
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[:comment, :user]
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end
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end
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