Initial Commit

inc/managers/class-notification-manager.php

@@ -0,0 +1,146 @@
+<?php
+/**
+ * Notification Manager
+ *
+ * Handles processes related to notifications.
+ *
+ * @package WP_Ultimo
+ * @subpackage Managers/Notification_Manager
+ * @since 2.0.0
+ */
+
+namespace WP_Ultimo\Managers;
+
+// Exit if accessed directly
+defined('ABSPATH') || exit;
+
+/**
+ * Handles processes related to notifications.
+ *
+ * @since 2.0.0
+ */
+class Notification_Manager {
+
+	use \WP_Ultimo\Traits\Singleton;
+
+	/**
+	 * List of callbacks to keep, for backwards compatibility purposes.
+	 *
+	 * @since 2.2.0
+	 * @var array
+	 */
+	protected $backwards_compatibility_list;
+
+	/**
+	 * Instantiate the necessary hooks.
+	 *
+	 * @since 2.0.0
+	 * @return void
+	 */
+	public function init() {
+
+		add_action('wp_ultimo_load', array($this, 'add_settings'));
+
+		if (is_admin() && !is_network_admin()) {
+
+			add_action('admin_init', array($this, 'hide_notifications_subsites'));
+
+		} // end if;
+
+	} // end init;
+
+	/**
+	 * Hide notifications on subsites if settings was enabled.
+	 *
+	 * @since 2.0.0
+	 * @return void
+	 */
+	public function hide_notifications_subsites() {
+
+		if (!wu_get_setting('hide_notifications_subsites')) {
+
+			return;
+
+		} // end if;
+
+		global $wp_filter;
+
+		/*
+		 * List of callbacks to keep, for backwards compatibility purposes.
+		 */
+		$this->backwards_compatibility_list = apply_filters('wu_hide_notifications_exclude_list', array(
+			'inject_admin_head_ads',
+		));
+
+		$cleaner = array($this, 'clear_callback_list');
+
+		if (wu_get_isset($wp_filter, 'admin_notices')) {
+
+			$wp_filter['admin_notices']->callbacks = array_filter($wp_filter['admin_notices']->callbacks, $cleaner === null ? fn($v, $k): bool => !empty($v) : $cleaner, $cleaner === null ? ARRAY_FILTER_USE_BOTH : 0);
+
+		} // end if;
+
+		if (wu_get_isset($wp_filter, 'all_admin_notices')) {
+
+			$wp_filter['all_admin_notices']->callbacks = array_filter($wp_filter['all_admin_notices']->callbacks, $cleaner === null ? fn($v, $k): bool => !empty($v) : $cleaner, $cleaner === null ? ARRAY_FILTER_USE_BOTH : 0);
+
+		} // end if;
+
+	} // end hide_notifications_subsites;
+
+	/**
+	 * Keeps the allowed callbacks.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array $callbacks The callbacks attached.
+	 * @return array
+	 */
+	public function clear_callback_list($callbacks): bool {
+
+		if (empty($this->backwards_compatibility_list)) {
+
+			return false;
+
+		} // end if;
+
+		$keys = array_keys($callbacks);
+
+		foreach ($keys as $key) {
+
+			foreach ($this->backwards_compatibility_list as $key_to_keep) {
+
+				if (strpos($key, (string) $key_to_keep) !== false) {
+
+					return true;
+
+				} // end if;
+
+			} // end foreach;
+
+		} // end foreach;
+
+		return false;
+
+	} // end clear_callback_list;
+
+	/**
+	 * Filter the WP Ultimo settings to add Notifications Options
+	 *
+	 * @since 2.0.0
+	 *
+	 * @return void
+	 */
+	public function add_settings() {
+
+		wu_register_settings_field('sites', 'hide_notifications_subsites', array(
+			'title'   => __('Hide Admin Notices on Sites', 'wp-ultimo'),
+			'desc'    => __('Hide all admin notices on network sites, except for WP Ultimo broadcasts.', 'wp-ultimo'),
+			'type'    => 'toggle',
+			'default' => 0,
+			'order'   => 25,
+		));
+
+	} // end add_settings;
+
+} // end class Notification_Manager;