Product Block Editor: Add the fundamental support and map Text and Integer attribute inputs to currently available generic blocks

src/Admin/Input/Input.php

@@ -3,6 +3,8 @@
 
 namespace Automattic\WooCommerce\GoogleListingsAndAds\Admin\Input;
 
+use Automattic\WooCommerce\GoogleListingsAndAds\PluginHelper;
+
 defined( 'ABSPATH' ) || exit;
 
 /**
@@ -12,6 +14,8 @@
  */
 class Input extends Form implements InputInterface {
 
+	use PluginHelper;
+
 	/**
 	 * @var string
 	 */
@@ -22,6 +26,16 @@ class Input extends Form implements InputInterface {
 	 */
 	protected $type;
 
+	/**
+	 * @var string
+	 */
+	protected $block_name;
+
+	/**
+	 * @var array
+	 */
+	protected $block_attributes = [];
+
 	/**
 	 * @var string
 	 */
@@ -41,9 +55,12 @@ class Input extends Form implements InputInterface {
 	 * Input constructor.
 	 *
 	 * @param string $type
+	 * @param string $block_name The name of a generic product block in WooCommerce core or a custom block in this extension.
 	 */
-	public function __construct( string $type ) {
-		$this->type = $type;
+	public function __construct( string $type, string $block_name = '' ) {
+		// TODO: Remove the default value of $block_name after all attribute inputs have specified a block name
+		$this->type       = $type;
+		$this->block_name = $block_name;
 		parent::__construct();
 	}
 
@@ -159,4 +176,60 @@ public function get_view_id(): string {
 
 		return sprintf( 'gla_%s', $this->get_name() );
 	}
+
+	/**
+	 * Return the name of a generic product block in WooCommerce core or a custom block in this extension.
+	 *
+	 * @return string
+	 */
+	public function get_block_name(): string {
+		return $this->block_name;
+	}
+
+	/**
+	 * Add or update a block attribute used for block config.
+	 *
+	 * @param string $key   The attribute key defined in the corresponding block.json
+	 * @param mixed  $value The attribute value defined in the corresponding block.json
+	 *
+	 * @return InputInterface
+	 */
+	public function set_block_attribute( string $key, $value ): InputInterface {
+		$this->block_attributes[ $key ] = $value;
+
+		return $this;
+	}
+
+	/**
+	 * Return the attributes of block config used for the input's view within the Product Block Editor.
+	 *
+	 * @return array
+	 */
+	public function get_block_attributes(): array {
+		$meta_key = $this->prefix_meta_key( $this->get_id() );
+
+		return array_merge(
+			[
+				'property' => "meta_data.{$meta_key}",
+				'label'    => $this->get_label(),
+				'tooltip'  => $this->get_description(),
+			],
+			$this->block_attributes
+		);
+	}
+
+	/**
+	 * Return the config used for the input's block within the Product Block Editor.
+	 *
+	 * @return array
+	 */
+	public function get_block_config(): array {
+		$id = $this->get_id();
+
+		return [
+			'id'         => "google-listings-and-ads-product-attributes-{$id}",
+			'blockName'  => $this->get_block_name(),
+			'attributes' => $this->get_block_attributes(),
+		];
+	}
 }

src/Admin/Input/InputInterface.php

@@ -71,4 +71,35 @@ public function set_value( $value ): InputInterface;
 	 * @return string
 	 */
 	public function get_view_id(): string;
+
+	/**
+	 * Return the name of a generic product block in WooCommerce core or a custom block in this extension.
+	 *
+	 * @return string
+	 */
+	public function get_block_name(): string;
+
+	/**
+	 * Add or update a block attribute used for block config.
+	 *
+	 * @param string $key   The attribute key defined in the corresponding block.json
+	 * @param mixed  $value The attribute value defined in the corresponding block.json
+	 *
+	 * @return InputInterface
+	 */
+	public function set_block_attribute( string $key, $value ): InputInterface;
+
+	/**
+	 * Return the attributes of block config used for the input's view within the Product Block Editor.
+	 *
+	 * @return array
+	 */
+	public function get_block_attributes(): array;
+
+	/**
+	 * Return the block config used for the input's view within the Product Block Editor.
+	 *
+	 * @return array
+	 */
+	public function get_block_config(): array;
 }

src/Admin/Input/Integer.php

@@ -15,6 +15,6 @@ class Integer extends Input {
 	 * Integer constructor.
 	 */
 	public function __construct() {
-		parent::__construct( 'integer' );
+		parent::__construct( 'integer', 'woocommerce/product-number-field' );
 	}
 }

src/Admin/Input/SelectWithTextInput.php

@@ -85,15 +85,6 @@ protected function get_custom_input(): Text {
 		return $this->children[ self::CUSTOM_INPUT_KEY ];
 	}
 
-	/**
-	 * Whether the set value is a custom value (i.e. not from the list of specified options).
-	 *
-	 * @return bool
-	 */
-	protected function is_custom_value(): bool {
-		return ! empty( $this->get_value() ) && ! is_array( $this->get_value() ) && ! isset( $this->get_options()[ $this->get_value() ] );
-	}
-
 	/**
 	 * Return the data used for the input's view.
 	 *

src/Admin/Input/Text.php

@@ -15,6 +15,6 @@ class Text extends Input {
 	 * Text constructor.
 	 */
 	public function __construct() {
-		parent::__construct( 'text' );
+		parent::__construct( 'text', 'woocommerce/product-text-field' );
 	}
 }