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class UserBan < ApplicationRecord
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belongs_to :user
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belongs_to :banned_by, class_name: "User", optional: true
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scope :current, -> { where("expires_at IS NULL or expires_at > NOW()") }
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def permanent?
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expires_at.nil?
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end
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def current?
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permanent? || expires_at > Time.now.utc
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end
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end
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