Revert "Remove unsupported theme notice"

This reverts commit aad3792.

includes/admin/class-wc-admin-notices.php

@@ -31,6 +31,7 @@ class WC_Admin_Notices {
 		'install'             => 'install_notice',
 		'update'              => 'update_notice',
 		'template_files'      => 'template_file_check_notice',
+		'theme_support'       => 'theme_check_notice',
 		'legacy_shipping'     => 'legacy_shipping_notice',
 		'no_shipping_methods' => 'no_shipping_methods_notice',
 		'simplify_commerce'   => 'simplify_commerce_notice',
@@ -78,6 +79,10 @@ public static function remove_all_notices() {
 	 * Reset notices for themes when switched or a new version of WC is installed.
 	 */
 	public static function reset_admin_notices() {
+		if ( ! current_theme_supports( 'woocommerce' ) ) {
+			self::add_notice( 'theme_support' );
+		}
+
 		$simplify_options = get_option( 'woocommerce_simplify_commerce_settings', array() );
 		$location         = wc_get_base_location();
 
@@ -207,6 +212,17 @@ public static function install_notice() {
 		include( 'views/html-notice-install.php' );
 	}
 
+	/**
+	 * Show the Theme Check notice.
+	 */
+	public static function theme_check_notice() {
+		if ( ! current_theme_supports( 'woocommerce' ) ) {
+			include( 'views/html-notice-theme-support.php' );
+		} else {
+			self::remove_notice( 'theme_support' );
+		}
+	}
+
 	/**
 	 * Show a notice highlighting bad template files.
 	 */

includes/admin/views/html-notice-theme-support.php

@@ -0,0 +1,19 @@
+<?php
+/**
+ * Admin View: Notice - Theme Support
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+?>
+<div id="message" class="updated woocommerce-message wc-connect">
+	<a class="woocommerce-message-close notice-dismiss" href="<?php echo esc_url( wp_nonce_url( add_query_arg( 'wc-hide-notice', 'theme_support' ), 'woocommerce_hide_notices_nonce', '_wc_notice_nonce' ) ); ?>"><?php _e( 'Dismiss', 'woocommerce' ); ?></a>
+
+	<p><?php printf( __( '<strong>Your theme does not declare WooCommerce support</strong> &#8211; Please read our <a href="%1$s" target="_blank">integration</a> guide or check out our <a href="%2$s" target="_blank">Storefront</a> theme which is totally free to download and designed specifically for use with WooCommerce.', 'woocommerce' ), esc_url( apply_filters( 'woocommerce_docs_url', 'https://docs.woocommerce.com/document/third-party-custom-theme-compatibility/', 'theme-compatibility' ) ), esc_url( self_admin_url( 'theme-install.php?theme=storefront' ) ) ); ?></p>
+	<p class="submit">
+		<a href="https://woocommerce.com/storefront/?utm_source=notice&amp;utm_medium=product&amp;utm_content=storefront&amp;utm_campaign=woocommerceplugin" class="button-primary" target="_blank"><?php _e( 'Read more about Storefront', 'woocommerce' ); ?></a>
+		<a href="<?php echo esc_url( apply_filters( 'woocommerce_docs_url', 'http://docs.woocommerce.com/document/third-party-custom-theme-compatibility/?utm_source=notice&utm_medium=product&utm_content=themecompatibility&utm_campaign=woocommerceplugin' ) ); ?>" class="button-secondary" target="_blank"><?php _e( 'Theme integration guide', 'woocommerce' ); ?></a>
+	</p>
+</div>