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We previously used ConsolidateNotifications with a threshold of 1 to re-use an existing notification and bump it to the top instead of creating a new one. It produces some jumpiness in the user notification list, and it relies on updating the `created_at` attribute, which is a bit hacky. As a better alternative, we're introducing a new plan that deletes all the previous versions of the notification, then creates a new one.
37 lines
753 B
Ruby
37 lines
753 B
Ruby
# frozen_string_literal: true
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module Notifications
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class ConsolidationPlan
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def set_precondition(precondition_blk: nil)
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@precondition_blk = precondition_blk
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self
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end
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def set_mutations(set_data_blk: nil)
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@set_data_blk = set_data_blk
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self
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end
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def can_consolidate_data?(_notification)
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raise NotImplementedError
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end
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def consolidate_or_save!(_notification)
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raise NotImplementedError
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end
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protected
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def consolidated_data(notification)
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return notification.data_hash if @set_data_blk.nil?
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@set_data_blk.call(notification)
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end
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def user_notifications(notification, type)
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notification.user.notifications.where(notification_type: type)
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end
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end
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end
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