first commit

wp-content/plugins/elementor-pro/core/notifications/notification.php

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+<?php
+
+namespace ElementorPro\Core\Notifications;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+abstract class Notification {
+
+	/**
+	 * Get the payloads of the notification data shape (e.g. `Email_Message`, `Database_Message`). Those will automatically
+	 * be sent over to the appropriate `Actions` under the `Integration_Manager` (using the `notify()` method).
+	 * This method is also used to determine notification channels based on user ($notifiable) preferences.
+	 *
+	 * Returned shape:
+	 * [
+	 *  $payload1_instance,
+	 *  $payload2_instance,
+	 * ]
+	 *
+	 * @param \ElementorPro\Core\Notifications\Traits\Notifiable $notifiable - The notified model.
+	 *
+	 * @return array
+	 */
+	public function get_payloads( $notifiable ) {
+		return [];
+	}
+}

wp-content/plugins/elementor-pro/core/notifications/notifications-manager.php

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+<?php
+
+namespace ElementorPro\Core\Notifications;
+
+use ElementorPro\Plugin;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+class Notifications_Manager {
+
+	/**
+	 * Send a notification.
+	 *
+	 * @param \ElementorPro\Core\Notifications\Notification $notification
+	 * @param $notifiable
+	 *
+	 * @throws \Exception
+	 *
+	 * @return $this
+	 */
+	public function send( Notification $notification, $notifiable ) {
+		$payloads = $notification->get_payloads( $notifiable );
+
+		Plugin::instance()->integrations->run( $payloads );
+
+		return $this;
+	}
+}

wp-content/plugins/elementor-pro/core/notifications/traits/notifiable.php

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+<?php
+
+namespace ElementorPro\Core\Notifications\Traits;
+
+use ElementorPro\Core\Notifications\Notification;
+use ElementorPro\Plugin;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+trait Notifiable {
+
+	/**
+	 * Notify a Model with a notification.
+	 * Syntactic sugar for sending notifications via the `Notifications_Manager`.
+	 *
+	 * Usage:
+	 *  $model->notify( new User_Created_Notification( $new_user ) );
+	 *
+	 * @param Notification $notification - Notification to send.
+	 *
+	 * @throws \Exception
+	 *
+	 * @return void
+	 */
+	public function notify( Notification $notification ) {
+		Plugin::instance()->notifications->send( $notification, $this );
+	}
+}