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require 'gitlab/email/handler/base_handler'
module Gitlab
module Email
module Handler
class UnsubscribeHandler < BaseHandler
delegate :project, to: :sent_notification, allow_nil: true
def can_handle?
mail_key =~ /\A\w+#{Regexp.escape(Gitlab::IncomingEmail::UNSUBSCRIBE_SUFFIX)}\z/
end
def execute
raise SentNotificationNotFoundError unless sent_notification
return unless sent_notification.unsubscribable?
noteable = sent_notification.noteable
raise NoteableNotFoundError unless noteable
noteable.unsubscribe(sent_notification.recipient)
end
def metrics_params
super.merge(project: project)
end
private
def sent_notification
@sent_notification ||= SentNotification.for(reply_key)
end
def reply_key
mail_key.sub(Gitlab::IncomingEmail::UNSUBSCRIBE_SUFFIX, '')
end
end
end
end
end
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