19 lines
457 B
Ruby
19 lines
457 B
Ruby
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module Product::Notifications
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extend ActiveSupport::Concern
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included do
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has_many :subscribers, dependent: :destroy
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after_update_commit :notify_subscribers, if: :back_in_stock?
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def back_in_stock?
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inventory_count_previously_was.zero? && inventory_count > 0
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end
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def notify_subscribers
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subscribers.each do |sub|
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ProductMailer.with(product: self, subscriber: sub).in_stock.deliver_later
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end
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end
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end
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end
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