Hide GTIN field for new installs make readonly for existing installs

src/Admin/Input/Input.php

@@ -4,6 +4,8 @@
 namespace Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input;
 
 use Automattic\WooCommerce\GoogleListingsAndAds\PluginHelper;
+use Automattic\WooCommerce\GoogleListingsAndAds\Options\OptionsInterface;
+use Automattic\WooCommerce\GoogleListingsAndAds\HelperTraits\Utilities;
 
 defined( 'ABSPATH' ) || exit;
 
@@ -15,6 +17,7 @@
 class Input extends Form implements InputInterface {
 
 	use PluginHelper;
+	use Utilities;
 
 	/**
 	 * @var string
@@ -51,6 +54,16 @@ class Input extends Form implements InputInterface {
 	 */
 	protected $value;
 
+	/**
+	 * @var bool
+	 */
+	protected $is_readonly = false;
+
+	/**
+	 * @var bool
+	 */
+	protected $is_disabled = false;
+
 	/**
 	 * Input constructor.
 	 *
@@ -60,6 +73,9 @@ class Input extends Form implements InputInterface {
 	public function __construct( string $type, string $block_name ) {
 		$this->type       = $type;
 		$this->block_name = $block_name;
+
+		$this->set_options_object( woogle_get_container()->get( OptionsInterface::class ) );
+
 		parent::__construct();
 	}
 
@@ -142,6 +158,34 @@ public function set_value( $value ): InputInterface {
 		return $this;
 	}
 
+	/**
+	 * @param bool $value
+	 *
+	 * @return InputInterface
+	 */
+	public function set_readonly( $value = false ) {
+		$this->is_readonly = $value;
+
+		return $this;
+	}
+	/**
+	 * @param bool $value
+	 *
+	 * @return InputInterface
+	 */
+	public function set_disabled( $value = false ) {
+		$this->is_disabled = $value;
+
+		return $this;
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function is_disabled(): bool {
+		return $this->is_disabled;
+	}
+
 	/**
 	 * Return the data used for the input's view.
 	 *
@@ -157,6 +201,12 @@ public function get_view_data(): array {
 			'desc_tip'    => true,
 		];
 
+		if ( $this->is_readonly ) {
+			$view_data['custom_attributes'] = [
+				'readonly' => 'readonly',
+			];
+		}
+
 		return array_merge( parent::get_view_data(), $view_data );
 	}
 

src/Admin/Product/Attributes/AttributesForm.php

@@ -166,10 +166,13 @@ public function add_attribute( string $attribute_type, ?string $input_type = nul
 		$this->validate_interface( $input_type, InputInterface::class );
 
 		$attribute_input = self::init_input( new $input_type(), new $attribute_type() );
-		$this->add( $attribute_input );
 
-		$attribute_id                           = call_user_func( [ $attribute_type, 'get_id' ] );
-		$this->attribute_types[ $attribute_id ] = $attribute_type;
+		if ( ! $attribute_input->is_disabled() ) {
+			$this->add( $attribute_input );
+
+			$attribute_id                           = call_user_func( [ $attribute_type, 'get_id' ] );
+			$this->attribute_types[ $attribute_id ] = $attribute_type;
+		}
 
 		return $this;
 	}

src/Admin/Product/Attributes/Input/GTINInput.php

@@ -16,6 +16,11 @@
  */
 class GTINInput extends Text {
 
+	/**
+	 * @var string
+	 */
+	private $disabled_from = '2024-09-20';
+
 	/**
 	 * GTINInput constructor.
 	 */
@@ -24,5 +29,27 @@ public function __construct() {
 
 		$this->set_label( __( 'Global Trade Item Number (GTIN)', 'google-listings-and-ads' ) );
 		$this->set_description( __( 'Global Trade Item Number (GTIN) for your item. These identifiers include UPC (in North America), EAN (in Europe), JAN (in Japan), and ISBN (for books)', 'google-listings-and-ads' ) );
+
+		$this->conditionally_restrict();
+	}
+
+	/**
+	 * If WooCommerce >= 9.2 is installed then the field will be:
+	 * - Disabled if GLA was installed after this feature was added
+	 * - Readonly if GLA was installed before this feature was added
+	 *
+	 * @since x.x.x
+	 * @return void
+	 */
+	public function conditionally_restrict(): void {
+		if ( version_compare( WC_VERSION, '9.2', '>=' ) ) {
+			if ( $this->gla_installed_after( $this->disabled_from ) ) {
+				$this->set_disabled( true );
+				return;
+			}
+
+			$this->set_readonly( true );
+			$this->set_description( __( 'The Global Trade Item Number (GTIN) for your item can now be entered on the "Inventory" tab', 'google-listings-and-ads' ) );
+		}
 	}
 }

src/HelperTraits/Utilities.php

@@ -68,6 +68,22 @@ protected function gla_setup_for( $seconds ): bool {
 		return ( ( time() - $gla_completed_setup ) >= $seconds );
 	}
 
+	/**
+	 * Test if the extension was installed after a specific date
+	 *
+	 * @param string $date Date to compare against the installation date
+	 * @return bool
+	 */
+	protected function gla_installed_after( $date ): bool {
+		$gla_installed = $this->options->get( OptionsInterface::INSTALL_TIMESTAMP, false );
+
+		if ( false === $gla_installed ) {
+			return false;
+		}
+
+		return ( $gla_installed >= strtotime( $date ) );
+	}
+
 	/**
 	 * Is Jetpack connected?
 	 *