Fix site specific features passed to front-end for simple sites (#39817)

* Add `Current_Plan::get_simple_site_specific_features()` method

* Pass the features for simple sites to the script data

* Create siteHasFeature utility

* Add changelog

projects/js-packages/script-data/changelog/fix-site-specific-features-for-simple-sites

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+Fixed the site features for Simple sites

projects/js-packages/script-data/src/utils.ts

@@ -57,3 +57,14 @@ export function getMyJetpackUrl( section = '' ) {
 export function getActiveFeatures() {
 	return getScriptData().site.plan?.features?.active ?? [];
 }
+
+/**
+ * Check if the site has a specific feature.
+ *
+ * @param {string} feature - The feature to check. e.g. "republicize".
+ *
+ * @return {boolean} Whether the site has the feature.
+ */
+export function siteHasFeature( feature: string ) {
+	return getActiveFeatures().includes( feature );
+}

projects/packages/plans/changelog/fix-site-specific-features-for-simple-sites

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+Fixed the site features for Simple sites

projects/packages/plans/src/class-current-plan.php

@@ -21,6 +21,14 @@ class Current_Plan {
 	 */
 	private static $active_plan_cache;
 
+	/**
+	 * Simple Site-specific features available.
+	 * Their calculation can be expensive and slow, so we're caching it for the request.
+	 *
+	 * @var array Site-specific features
+	 */
+	private static $simple_site_specific_features = array();
+
 	/**
 	 * The name of the option that will store the site's plan.
 	 *
@@ -374,7 +382,7 @@ function_exists( 'wpcom_feature_exists' ) &&
 			return true;
 		}
 
-		// As of 05 2023 - all plans support Earn features (minus 'simple-payments')
+		// As of 05 2023 - all plans support Earn features (minus 'simple-payments').
 		if ( in_array( $feature, array( 'donations', 'recurring-payments', 'premium-content/container' ), true ) ) {
 			return true;
 		}
@@ -390,4 +398,39 @@ function_exists( 'wpcom_feature_exists' ) &&
 
 		return false;
 	}
+
+	/**
+	 * Retrieve site-specific features for Simple sites.
+	 *
+	 * See Jetpack_Gutenberg::get_site_specific_features()
+	 *
+	 * @return array
+	 */
+	public static function get_simple_site_specific_features() {
+		$is_simple_site = defined( 'IS_WPCOM' ) && constant( 'IS_WPCOM' );
+
+		if ( ! $is_simple_site ) {
+			return array(
+				'active'    => array(),
+				'available' => array(),
+			);
+		}
+
+		$current_blog_id = get_current_blog_id();
+
+		// Return the cached value if it exists.
+		if ( isset( self::$simple_site_specific_features[ $current_blog_id ] ) ) {
+			return self::$simple_site_specific_features[ $current_blog_id ];
+		}
+
+		if ( ! class_exists( '\Store_Product_List' ) ) {
+			require WP_CONTENT_DIR . '/admin-plugins/wpcom-billing/store-product-list.php';
+		}
+
+		$simple_site_specific_features = \Store_Product_List::get_site_specific_features_data( $current_blog_id );
+
+		self::$simple_site_specific_features[ $current_blog_id ] = $simple_site_specific_features;
+
+		return $simple_site_specific_features;
+	}
 }

projects/packages/publicize/changelog/fix-site-specific-features-for-simple-sites

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+Fixed the site features for Simple sites

projects/packages/publicize/src/class-publicize-script-data.php

@@ -60,6 +60,11 @@ public static function set_admin_script_data( $data ) {
 			$data['site']['plan'] = Current_Plan::get();
 		}
 
+		// Override features for simple sites.
+		if ( ( new Host() )->is_wpcom_simple() ) {
+			$data['site']['plan']['features'] = Current_Plan::get_simple_site_specific_features();
+		}
+
 		return $data;
 	}