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✏️ Editing: ApiRenderer.php

<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */
namespace Piwik\API;

use Exception;
use Piwik\Common;
use Piwik\DataTable\Renderer;
use Piwik\DataTable;
use Piwik\Piwik;
use Piwik\Plugin;
use Piwik\SettingsServer;

/**
 * API renderer
 */
abstract class ApiRenderer
{
    protected $request;

protected $hideIdSubDataTable;

final public function __construct($request)
    {
        $this->request = $request;
        $this->init();
    }

protected function init()
    {
        $this->hideIdSubDataTable = Common::getRequestVar('hideIdSubDatable', false, 'int', $this->request);
    }

protected function shouldSendBacktrace()
    {
        return Common::isPhpCliMode() && SettingsServer::isArchivePhpTriggered();
    }

abstract public function sendHeader();

public function renderSuccess($message)
    {
        return 'Success:' . $message;
    }

/**
     * @param $message
     * @param Exception|\Throwable $exception
     * @return mixed
     */
    public function renderException($message, $exception)
    {
        return $message;
    }

public function renderScalar($scalar)
    {
        $dataTable = new DataTable\Simple();
        $dataTable->addRowsFromArray(array($scalar));
        return $this->renderDataTable($dataTable);
    }

public function renderDataTable($dataTable)
    {
        $renderer = $this->buildDataTableRenderer($dataTable);
        return $renderer->render();
    }

public function renderArray($array)
    {
        $renderer = $this->buildDataTableRenderer($array);
        return $renderer->render();
    }

public function renderObject($object)
    {
        $exception = new Exception('The API cannot handle this data structure.');
        return $this->renderException($exception->getMessage(), $exception);
    }

public function renderResource($resource)
    {
        $exception = new Exception('The API cannot handle this data structure.');
        return $this->renderException($exception->getMessage(), $exception);
    }

/**
     * @param $dataTable
     * @return Renderer
     */
    protected function buildDataTableRenderer($dataTable)
    {
        $format   = self::getFormatFromClass(get_class($this));

$idSite = Common::getRequestVar('idSite', 0, 'int', $this->request);

if (empty($idSite)) {
            $idSite = 'all';
        }

$renderer = Renderer::factory($format);
        $renderer->setTable($dataTable);
        $renderer->setIdSite($idSite);
        $renderer->setRenderSubTables(Common::getRequestVar('expanded', false, 'int', $this->request));
        $renderer->setHideIdSubDatableFromResponse($this->hideIdSubDataTable);

return $renderer;
    }

/**
     * @param string $format
     * @param array  $request
     * @return ApiRenderer
     * @throws Exception
     */
    public static function factory($format, $request)
    {
        if (mb_strtolower($format) === 'json2') {
            $format = 'json';
        }
        $formatToCheck = '\\' . ucfirst(strtolower($format));

$rendererClassnames = Plugin\Manager::getInstance()->findMultipleComponents('Renderer', 'Piwik\\API\\ApiRenderer');

foreach ($rendererClassnames as $klassName) {
            if (Common::stringEndsWith($klassName, $formatToCheck)) {
                return new $klassName($request);
            }
        }

$availableRenderers = array();
        foreach ($rendererClassnames as $rendererClassname) {
            $availableRenderers[] = self::getFormatFromClass($rendererClassname);
        }

$availableRenderers = implode(', ', $availableRenderers);
        Common::sendHeader('Content-Type: text/plain; charset=utf-8');
        throw new Exception(Piwik::translate('General_ExceptionInvalidRendererFormat', array($format, $availableRenderers)));
    }

private static function getFormatFromClass($klassname)
    {
        $klass = explode('\\', $klassname);

return strtolower(end($klass));
    }
}

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