a926b162be
In rails 5, belongs_to associations automatically validate that the associated item is present, meaning that we don't need to validate these things manually any more.
58 lines
1.3 KiB
Ruby
58 lines
1.3 KiB
Ruby
class CommentVote < ApplicationRecord
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class Error < Exception ; end
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belongs_to :comment
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belongs_to :user
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before_validation :initialize_user, :on => :create
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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_user_can_vote
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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.prune!
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where("created_at < ?", 14.days.ago).delete_all
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end
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def self.search(params)
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q = where("true")
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return q if params.blank?
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if params[:comment_id]
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q = q.where("comment_id = ?", params[:comment_id].to_i)
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end
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q
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end
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def validate_user_can_vote
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if !user.can_comment_vote?
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errors.add :base, "You cannot vote on more than 10 comments per hour"
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false
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else
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true
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end
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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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false
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else
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true
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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 initialize_user
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self.user_id = CurrentUser.user.id
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end
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end
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