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class PrivateMessage < ApplicationRecord
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belongs_to :user
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belongs_to :target, class_name: "User"
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belongs_to :sender, class_name: "User"
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belongs_to :receiver, class_name: "User"
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scope :without_deleted, -> { where.not(status: 2) }
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scope :only_unread, -> { where(status: 0) }
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end
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