Class: Decidim::SendPushNotification

Inherits:
Object
  • Object
show all
Includes:
ActionView::Helpers::UrlHelper
Defined in:
decidim-core/app/services/decidim/send_push_notification.rb

Overview

This class generates a notification based on the given event, for the given resource/recipient couple. It is intended to be used by the ‘Decidim::NotificationGenerator` class, which schedules a job for each recipient of the event, so that we can easily control which jobs fail.

Instance Method Summary collapse

Instance Method Details

#perform(notification) ⇒ Object

Send the push notification. Returns ‘nil` if the user did not allowed push notifications or if the subscription to push notifications does not exist

Returns the result of the dispatch or nil if user or subscription are empty



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# File 'decidim-core/app/services/decidim/send_push_notification.rb', line 18

def perform(notification)
  return unless Rails.application.secrets.dig(:vapid, :enabled)

  I18n.with_locale(notification.user.locale || notification.user.organization.default_locale) do
    notification.user.notifications_subscriptions.values.map do |subscription|
      message_params = notification_params(Decidim::PushNotificationPresenter.new(notification))
      payload = build_payload(message_params, subscription)
      # Capture webpush exceptions in order to avoid this call to be repeated by the background job runner
      # Webpush::Error class is the parent class of all defined errors
      begin
        WebPush.payload_send(**payload)
      rescue WebPush::Error => e
        Rails.logger.warn("[ERROR] Push notification delivery failed due to #{e.message}")
        nil
      end
    end.compact
  end
end