Class: Decidim::SendPushNotification

Inherits:
Object
  • Object
show all
Includes:
ActionView::Helpers::UrlHelper
Defined in:
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 didn’t allowed push notifications or if the subscription to push notifications doesn’t exist

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



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# File '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