Add more orders count milestone notifications.

Also avoid notifications for thresholds passed before the plugin was activated.

plugins/woocommerce-admin/includes/notes/class-wc-admin-notes-order-milestones.php

@@ -23,6 +23,16 @@ class WC_Admin_Notes_Order_Milestones {
 	 */
 	const TEN_ORDERS_NOTE_NAME = 'wc-admin-ten-orders';
 
+	/**
+	 * Name of the "other milestones" note.
+	 */
+	const ORDERS_MILESTONE_NOTE_NAME = 'wc-admin-orders-milestone';
+
+	/**
+	 * Option key name to store last order milestone.
+	 */
+	const LAST_ORDER_MILESTONE_OPTION_KEY = 'wc_admin_last_orders_milestone';
+
 	/**
 	 * Allowed order statuses for calculating milestones.
 	 *
@@ -42,12 +52,41 @@ class WC_Admin_Notes_Order_Milestones {
 	protected $orders_count = null;
 
 	/**
-	 * Hook everything up.
+	 * Further order milestone thresholds.
+	 *
+	 * @var array
+	 */
+	protected $milestones = array(
+		100,
+		250,
+		500,
+		1000,
+		5000,
+		10000,
+		500000,
+		1000000,
+	);
+
+	/**
+	 * Delay hook attachment until after the WC post types have been registered.
+	 *
+	 * This is required for retrieving the order count.
 	 */
 	public function __construct() {
+		add_action( 'woocommerce_after_register_post_type', array( $this, 'init' ) );
+	}
+
+	/**
+	 * Hook everything up.
+	 */
+	public function init() {
+		add_action( 'wc_admin_installed', array( $this, 'backfill_last_milestone' ) );
+
 		if ( 10 <= $this->get_orders_count() ) {
 			add_action( 'woocommerce_new_order', array( $this, 'first_two_milestones' ) );
 		}
+
+		add_action( 'wc_admin_daily', array( $this, 'other_milestones' ) );
 	}
 
 	/**
@@ -97,7 +136,13 @@ class WC_Admin_Notes_Order_Milestones {
 		if ( 10 === $orders_count ) {
 			// Add the first ten orders note.
 			$note = new WC_Admin_Note();
-			$note->set_title( __( 'Congratulations on processing 10 orders!', 'woocommerce-admin' ) );
+			$note->set_title(
+				sprintf(
+					/* translators: Number of orders processed. */
+					__( 'Congratulations on processing %s orders!', 'woocommerce-admin' ),
+					wc_format_decimal( 10 )
+				)
+			);
 			$note->set_content(
 				__( "You've hit the 10 orders milestone! Look at you go. Browse some WooCommerce success stories for inspiration.", 'woocommerce-admin' )
 			);
@@ -109,6 +154,86 @@ class WC_Admin_Notes_Order_Milestones {
 			$note->save();
 		}
 	}
+
+	/**
+	 * Backfill the store's current milestone.
+	 *
+	 * Used to avoid celebrating milestones that were reached before plugin activation.
+	 */
+	public function backfill_last_milestone() {
+		$this->set_last_milestone( $this->get_current_milestone() );
+	}
+
+	/**
+	 * Get the store's last milestone.
+	 *
+	 * @return int Last milestone reached.
+	 */
+	public function get_last_milestone() {
+		return get_option( self::LAST_ORDER_MILESTONE_OPTION_KEY, 0 );
+	}
+
+	/**
+	 * Update the last reached milestone.
+	 *
+	 * @param int $milestone Last milestone reached.
+	 */
+	public function set_last_milestone( $milestone ) {
+		update_option( self::LAST_ORDER_MILESTONE_OPTION_KEY, $milestone );
+	}
+
+	/**
+	 * Calculate the current orders milestone.
+	 *
+	 * Based on the threshold values in $this->milestones.
+	 *
+	 * @return int Current orders milestone.
+	 */
+	public function get_current_milestone() {
+		$milestone_reached = 0;
+		$orders_count      = $this->get_orders_count();
+
+		foreach ( $this->milestones as $milestone ) {
+			if ( $milestone <= $orders_count ) {
+				$milestone_reached = $milestone;
+			}
+		}
+
+		return $milestone_reached;
+	}
+
+	/**
+	 * Add milestone notes for other significant thresholds.
+	 */
+	public function other_milestones() {
+		$last_milestone    = $this->get_last_milestone();
+		$current_milestone = $this->get_current_milestone();
+
+		if ( $current_milestone <= $last_milestone ) {
+			return;
+		}
+
+		$this->set_last_milestone( $current_milestone );
+
+		// Add the milestone note.
+		$note = new WC_Admin_Note();
+		$note->set_title(
+			sprintf(
+				/* translators: Number of orders processed. */
+				__( 'Congratulations on processing %s orders!', 'woocommerce-admin' ),
+				wc_format_decimal( $current_milestone )
+			)
+		);
+		$note->set_content(
+			__( "Another order milestone! Have you shared news with your subscribers lately? Maybe it's time for an update.", 'woocommerce-admin' )
+		);
+		$note->set_type( WC_Admin_Note::E_WC_ADMIN_NOTE_INFORMATIONAL );
+		$note->set_icon( 'trophy' );
+		$note->set_name( self::ORDERS_MILESTONE_NOTE_NAME );
+		$note->set_source( 'woocommerce-admin' );
+		$note->add_action( 'review', __( 'Review processed orders', 'woocommerce-admin' ), '?page=wc-admin#/analytics/orders' );
+		$note->save();
+	}
 }
 
 new WC_Admin_Notes_Order_Milestones();

plugins/woocommerce-admin/woocommerce-admin.php

@@ -95,6 +95,8 @@ function wc_admin_build_file_exists() {
 
 /**
  * Daily events to run.
+ *
+ * Note: WC_Admin_Notes_Order_Milestones::other_milestones is hooked to this as well.
  */
 function wc_admin_do_wc_admin_daily() {
 	WC_Admin_Notes_New_Sales_Record::possibly_add_sales_record_note();