Add pre-launch checklist note on task list completion (https://github.com/woocommerce/woocommerce-admin/pull/4532)

plugins/woocommerce-admin/src/Events.php

@@ -24,6 +24,7 @@ use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes_Marketing;
 use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes_Start_Dropshipping_Business;
 use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes_WooCommerce_Subscriptions;
 use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes_Migrate_From_Shopify;
+use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes_Launch_Checklist;
 use \Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes_Real_Time_Order_Alerts;
 use \Automattic\WooCommerce\Admin\RemoteInboxNotifications\DataSourcePoller;
 use \Automattic\WooCommerce\Admin\RemoteInboxNotifications\RemoteInboxNotificationsEngine;
@@ -90,6 +91,7 @@ class Events {
 		WC_Admin_Notes_Start_Dropshipping_Business::possibly_add_note();
 		WC_Admin_Notes_WooCommerce_Subscriptions::possibly_add_note();
 		WC_Admin_Notes_Migrate_From_Shopify::possibly_add_note();
+		WC_Admin_Notes_Launch_Checklist::possibly_add_note();
 		WC_Admin_Notes_Home_Screen_Feedback::possibly_add_note();
 		WC_Admin_Notes_Need_Some_Inspiration::possibly_add_note();
 		WC_Admin_Notes_Learn_More_About_Product_Settings::possibly_add_note();

plugins/woocommerce-admin/src/Notes/WC_Admin_Notes_Launch_Checklist.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * WooCommerce Admin Launch Checklist Note.
+ *
+ * Adds a note to cover pre-launch checklist items for store owners.
+ *
+ * @package WooCommerce Admin
+ */
+
+namespace Automattic\WooCommerce\Admin\Notes;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * WC_Admin_Notes_Launch_Checklist
+ */
+class WC_Admin_Notes_Launch_Checklist {
+	/**
+	 * Note traits.
+	 */
+	use NoteTraits;
+
+	/**
+	 * Name of the note for use in the database.
+	 */
+	const NOTE_NAME = 'wc-admin-launch-checklist';
+
+	/**
+	 * Get the note.
+	 */
+	public static function get_note() {
+		// Only add this note if completing the task list or completed 3 tasks in 10 days.
+		$completed_tasks     = get_option( 'woocommerce_task_list_tracked_completed_tasks', array() );
+		$ten_days_in_seconds = 10 * DAY_IN_SECONDS;
+		if (
+			! get_option( 'woocommerce_task_list_complete' ) &&
+			(
+				count( $completed_tasks ) < 3 ||
+				self::wc_admin_active_for( $ten_days_in_seconds )
+			)
+		) {
+			return;
+		}
+
+		$content = __( 'To make sure you never get that sinking "what did I forget" feeling, we\'ve put together the essential pre-launch checklist.', 'woocommerce-admin' );
+
+		$note = new WC_Admin_Note();
+		$note->set_title( __( 'Ready to launch your store?', 'woocommerce-admin' ) );
+		$note->set_content( $content );
+		$note->set_content_data( (object) array() );
+		$note->set_type( WC_Admin_Note::E_WC_ADMIN_NOTE_INFORMATIONAL );
+		$note->set_name( self::NOTE_NAME );
+		$note->set_source( 'woocommerce-admin' );
+		$note->add_action( 'learn-more', __( 'Learn more', 'woocommerce-admin' ), 'https://woocommerce.com/posts/pre-launch-checklist-the-essentials/?utm_source=inbox' );
+		return $note;
+	}
+}