Introduce Woo Express RIN rule

plugins/woocommerce/src/Admin/RemoteInboxNotifications/GetRuleProcessor.php

@@ -48,6 +48,8 @@ class GetRuleProcessor {
 				return new OnboardingProfileRuleProcessor();
 			case 'is_ecommerce':
 				return new IsEcommerceRuleProcessor();
+			case 'is_wooexpress':
+				return new IsWooExpressRuleProcessor();
 			case 'base_location_country':
 				return new BaseLocationCountryRuleProcessor();
 			case 'base_location_state':

plugins/woocommerce/src/Admin/RemoteInboxNotifications/IsWooExpressRuleProcessor.php

@@ -0,0 +1,73 @@
+<?php
+/**
+ * Rule processor that passes (or fails) when the site is on the eCommerce
+ * plan.
+ *
+ * @package WooCommerce\Admin\Classes
+ */
+
+namespace Automattic\WooCommerce\Admin\RemoteInboxNotifications;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Rule processor that passes (or fails) when the site is on the eCommerce
+ * plan.
+ */
+class IsWooExpressRuleProcessor implements RuleProcessorInterface {
+	/**
+	 * Passes (or fails) based on whether the site is a Woo Express plan.
+	 *
+	 * @param object $rule         The rule being processed by this rule processor.
+	 * @param object $stored_state Stored state.
+	 *
+	 * @return bool The result of the operation.
+	 */
+	public function process( $rule, $stored_state ) {
+		if ( ! function_exists( 'wc_calypso_bridge_is_woo_express_plan' ) ) {
+			return false === $rule->value;
+		}
+
+		// If the plan is undefined, only check if it's a Woo Express plan.
+		if ( ! isset( $rule->plan ) ) {
+			return wc_calypso_bridge_is_woo_express_plan() === $rule->value;
+		}
+
+		// If a plan name is defined, only evaluate the plan if we're on the Woo Express plan.
+		if ( isset( $rule->plan ) && wc_calypso_bridge_is_woo_express_plan() ) {
+			if ( function_exists( 'wc_calypso_bridge_is_woo_express_' . (string) $rule->plan . '_plan' ) ) {
+				$fn = 'wc_calypso_bridge_is_woo_express_' . (string) $rule->plan . '_plan';
+				return $fn() === $rule->value;
+			} elseif ( function_exists( 'wc_calypso_bridge_is_ecommerce_' . (string) $rule->plan . '_plan' ) ) {
+				$fn = 'wc_calypso_bridge_is_ecommerce_' . (string) $rule->plan . '_plan';
+				return $fn() === $rule->value;
+			} else {
+				// If an invalid plan name is given, only evaluate the rule if we're targeting all plans other than the specified (invalid) one.
+				return false === $rule->value;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Validate the rule.
+	 *
+	 * @param object $rule The rule to validate.
+	 *
+	 * @return bool Pass/fail.
+	 */
+	public function validate( $rule ) {
+		if ( ! isset( $rule->value ) ) {
+			return false;
+		}
+
+		if ( isset( $rule->plan ) ) {
+			if ( ! function_exists( 'wc_calypso_bridge_is_woo_express_plan' ) ) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+}

plugins/woocommerce/src/Admin/RemoteInboxNotifications/README.md

@@ -411,6 +411,22 @@ This passes when the store is on a WordPress.com site with the eCommerce plan.
 
 `value` is required.
 
+### Is Woo Express
+
+This passes when the store is on a WordPress.com site with a Woo Express plan active.
+You can optionally pass the `plan` name to target a specific Woo Express plan, e.g. `performance`.
+
+```
+{
+	"type": "is_ecommerce",
+	"plan": "trial|essential|performance"
+	"value": true
+}
+```
+
+`value` is required.
+`plan` is optional, e.g. `trial`, `essential`, `performance`.
+
 ### Base location - country
 
 This passes when the store is located in the specified country.