From 4114d16383e7a0430abe3acbfe8b303fd91af886 Mon Sep 17 00:00:00 2001
From: Matt Sherman <matt@jam123.com>
Date: Tue, 12 Sep 2023 16:51:48 -0400
Subject: [PATCH] Logger for block template modifications

---
 .../BlockTemplates/BlockTemplateLogger.php    | 180 ++++++++++++++++++
 1 file changed, 180 insertions(+)
 create mode 100644 plugins/woocommerce/src/Internal/Admin/BlockTemplates/BlockTemplateLogger.php

diff --git a/plugins/woocommerce/src/Internal/Admin/BlockTemplates/BlockTemplateLogger.php b/plugins/woocommerce/src/Internal/Admin/BlockTemplates/BlockTemplateLogger.php
new file mode 100644
index 00000000000..0394de4c28c
--- /dev/null
+++ b/plugins/woocommerce/src/Internal/Admin/BlockTemplates/BlockTemplateLogger.php
@@ -0,0 +1,180 @@
+<?php
+
+namespace Automattic\WooCommerce\Internal\Admin\BlockTemplates;
+
+use Automattic\WooCommerce\Admin\BlockTemplates\BlockContainerInterface;
+use Automattic\WooCommerce\Admin\BlockTemplates\BlockInterface;
+use Automattic\WooCommerce\Admin\BlockTemplates\BlockTemplateInterface;
+
+/**
+ * Logger for block template modifications.
+ */
+class BlockTemplateLogger {
+	/**
+	 * Singleton instance.
+	 *
+	 * @var BlockTemplateLogger
+	 */
+	protected static $instance = null;
+
+	/**
+	 * Logger instance.
+	 *
+	 * @var \WC_Logger
+	 */
+	protected $logger = null;
+
+	/**
+	 * Get the singleton instance.
+	 */
+	public static function get_instance(): BlockTemplateLogger {
+		if ( ! self::$instance ) {
+			self::$instance = new self();
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * Constructor.
+	 */
+	protected function __construct() {
+		$this->logger = wc_get_logger();
+	}
+
+	/**
+	 * Log an informational message.
+	 *
+	 * @param string $message Message to log.
+	 * @param array  $info    Additional info to log.
+	 */
+	public function info( string $message, array $info = [] ) {
+		$this->logger->info(
+			$this->format_message( $message, $info ),
+			[ 'source' => 'block_template' ]
+		);
+	}
+
+	/**
+	 * Log a warning message.
+	 *
+	 * @param string $message Message to log.
+	 * @param array  $info    Additional info to log.
+	 */
+	public function warning( string $message, array $info = [] ) {
+		$this->logger->warning(
+			$this->format_message( $message, $info ),
+			[ 'source' => 'block_template' ]
+		);
+	}
+
+	/**
+	 * Log an error message.
+	 *
+	 * @param string $message Message to log.
+	 * @param array  $info    Additional info to log.
+	 */
+	public function error( string $message, array $info = [] ) {
+		$this->logger->error(
+			$this->format_message( $message, $info ),
+			[ 'source' => 'block_template' ]
+		);
+	}
+
+	/**
+	 * Format a message for logging.
+	 *
+	 * @param string $message Message to log.
+	 * @param array  $info    Additional info to log.
+	 */
+	private function format_message( string $message, array $info = [] ): string {
+		$formatted_message = sprintf(
+			"%s\n%s",
+			$message,
+			// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_print_r
+			print_r( $this->format_info( $info ), true ),
+		);
+
+		return $formatted_message;
+	}
+
+	/**
+	 * Format info for logging.
+	 *
+	 * @param array $info Info to log.
+	 */
+	private function format_info( array $info ): array {
+		$formatted_info = $info;
+
+		if ( isset( $info['exception'] ) && $info['exception'] instanceof \Exception ) {
+			$formatted_info['exception'] = $this->format_exception( $info['exception'] );
+		}
+
+		if ( isset( $info['container'] ) ) {
+			if ( $info['container'] instanceof BlockContainerInterface ) {
+				$formatted_info['container'] = $this->format_block( $info['container'] );
+			} elseif ( $info['container'] instanceof BlockTemplateInterface ) {
+				$formatted_info['container'] = $this->format_template( $info['container'] );
+			} elseif ( $info['container'] instanceof BlockInterface ) {
+				$formatted_info['container'] = $this->format_block( $info['container'] );
+			}
+		}
+
+		if ( isset( $info['block'] ) && $info['block'] instanceof BlockInterface ) {
+			$formatted_info['block'] = $this->format_block( $info['block'] );
+		}
+
+		if ( isset( $info['template'] ) && $info['template'] instanceof BlockTemplateInterface ) {
+			$formatted_info['template'] = $this->format_template( $info['template'] );
+		}
+
+		return $formatted_info;
+	}
+
+	/**
+	 * Format an exception for logging.
+	 *
+	 * @param \Exception $exception Exception to format.
+	 */
+	private function format_exception( \Exception $exception ): array {
+		return [
+			'message' => $exception->getMessage(),
+			'source' => "{$exception->getFile()}: {$exception->getLine()}",
+			// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_print_r
+			'trace'  => print_r( $this->format_exception_trace( $exception->getTrace() ), true ),
+		];
+	}
+
+	/**
+	 * Format an exception trace for logging.
+	 *
+	 * @param array $trace Exception trace to format.
+	 */
+	private function format_exception_trace( array $trace ): array {
+		$formatted_trace = [];
+
+		foreach ( $trace as $source ) {
+			$formatted_trace[] = "{$source['file']}: {$source['line']}";
+		}
+
+		return $formatted_trace;
+	}
+
+	/**
+	 * Format a block template for logging.
+	 *
+	 * @param BlockTemplateInterface $template Template to format.
+	 */
+	private function format_template( BlockTemplateInterface $template ): string {
+		return "{$template->get_id()} (area: {$template->get_area()})";
+	}
+
+	/**
+	 * Format a block for logging.
+	 *
+	 * @param BlockInterface $block Block to format.
+	 */
+	private function format_block( BlockInterface $block ): string {
+		return "{$block->get_id()} (name: {$block->get_name()})";
+	}
+}