silverstripe-framework/Logging/DebugViewFriendlyErrorFormatter.php

<?php

namespace SilverStripe\Logging;

use SilverStripe\Dev\Debug;
use SilverStripe\Control\Director;
use SilverStripe\Control\Email\Email;
use Monolog\Formatter\FormatterInterface;

/**
 * Produce a friendly error message
 */
class DebugViewFriendlyErrorFormatter implements FormatterInterface {

	/**
	 * Default status code
	 *
	 * @var int
	 */
	protected $statusCode = 500;

	/**
	 * Default friendly error
	 *
	 * @var string
	 */
	protected $friendlyErrorMessage = 'Error';

	/**
	 * Default error body
	 *
	 * @var string
	 */
	protected $friendlyErrorDetail;

	/**
	 * Get default status code
	 *
	 * @return int
	 */
	public function getStatusCode() {
		return $this->statusCode;
	}

	/**
	 * Set default status code
	 *
	 * @param int $statusCode
	 */
	public function setStatusCode($statusCode) {
		$this->statusCode = $statusCode;
	}

	/**
	 * Get friendly title
	 *
	 * @return string
	 */
	public function getTitle() {
		return $this->friendlyErrorMessage;
	}

	/**
	 * Set friendly title
	 *
	 * @param string $title
	 */
	public function setTitle($title) {
		$this->friendlyErrorMessage = $title;
	}

	/**
	 * Get default error body
	 *
	 * @return string
	 */
	public function getBody() {
		return $this->friendlyErrorDetail;
	}

	/**
	 * Set default error body
	 *
	 * @param string $body
	 */
	public function setBody($body) {
		$this->friendlyErrorDetail = $body;
	}

	public function format(array $record) {
		// Get error code
		$code = empty($record['code']) ? $this->statusCode : $record['code'];
		return $this->output($code);
	}

	public function formatBatch(array $records) {
        $message = '';
        foreach ($records as $record) {
            $message .= $this->format($record);
        }
        return $message;
    }

	/**
	 * Return the appropriate error content for the given status code
	 *
	 * @param int $statusCode
	 * @return string Content in an appropriate format for the current request
	 */
	public function output($statusCode) {
		// TODO: Refactor into a content-type option
		if(Director::is_ajax()) {
			return $this->getTitle();
		}

		$renderer = Debug::create_debug_view();
		$output = $renderer->renderHeader();
		$output .= $renderer->renderInfo("Website Error", $this->getTitle(), $this->getBody());

		if(Email::config()->admin_email) {
			$mailto = Email::obfuscate(Email::config()->admin_email);
			$output .= $renderer->renderParagraph('Contact an administrator: ' . $mailto . '');
		}

		$output .= $renderer->renderFooter();
		return $output;
	}
}