Update Jetpack WooCommerce Analytics module integration to check for …

…changed template names (#11707)

src/Domain/Services/JetpackWooCommerceAnalytics.php

@@ -249,16 +249,16 @@ public function get_cart_checkout_info() {
 		$checkout_template    = null;
 		$cart_template_id     = null;
 		$checkout_template_id = null;
-		$templates            = $this->block_templates_controller->get_block_templates( array( 'cart', 'checkout' ) );
+		$templates            = $this->block_templates_controller->get_block_templates( array( 'cart', 'checkout', 'page-checkout', 'page-cart' ) );
 		$guest_checkout       = ucfirst( get_option( 'woocommerce_enable_guest_checkout', 'No' ) );
 		$create_account       = ucfirst( get_option( 'woocommerce_enable_signup_and_login_from_checkout', 'No' ) );
 
 		foreach ( $templates as $template ) {
-			if ( 'cart' === $template->slug ) {
+			if ( 'cart' === $template->slug || 'page-cart' === $template->slug ) {
 				$cart_template_id = ( $template->id );
 				continue;
 			}
-			if ( 'checkout' === $template->slug ) {
+			if ( 'checkout' === $template->slug || 'page-checkout' === $template->slug ) {
 				$checkout_template_id = ( $template->id );
 			}
 		}
@@ -274,6 +274,16 @@ public function get_cart_checkout_info() {
 			$checkout_template = get_block_template( $checkout_template_id );
 		}
 
+		// Something failed with the template retrieval, return early with 0 values rather than let a warning appear.
+		if ( ! $cart_template || ! $checkout_template ) {
+			return array(
+				'cart_page_contains_cart_block'         => 0,
+				'cart_page_contains_cart_shortcode'     => 0,
+				'checkout_page_contains_checkout_block' => 0,
+				'checkout_page_contains_checkout_shortcode' => 0,
+			);
+		}
+
 		// Update the info transient with data we got from the templates, if the site isn't using WC Blocks we
 		// won't be doing this so no concern about overwriting.
 		// Sites that load this code will be loading it on a page using the relevant block, but we still need to check