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Viewing / Editing File: Alert.php

<?php

namespace BeyondCode\QueryDetector\Outputs;

use Illuminate\Support\Collection;
use Symfony\Component\HttpFoundation\Response;

class Alert implements Output
{
    public function boot()
    {
        //
    }

public function output(Collection $detectedQueries, Response $response)
    {
        if (stripos($response->headers->get('Content-Type'), 'text/html') !== 0 || $response->isRedirection()) {
            return;
        }

$content = $response->getContent();

$outputContent = $this->getOutputContent($detectedQueries);

$pos = strripos($content, '</body>');

if (false !== $pos) {
            $content = substr($content, 0, $pos) . $outputContent . substr($content, $pos);
        } else {
            $content = $content . $outputContent;
        }

// Update the new content and reset the content length
        $response->setContent($content);

$response->headers->remove('Content-Length');
    }

protected function getOutputContent(Collection $detectedQueries)
    {
        $output = '<script type="text/javascript">';
        $output .= "alert('Found the following N+1 queries in this request:\\n\\n";
        foreach ($detectedQueries as $detectedQuery) {
            $output .= "Model: ".addslashes($detectedQuery['model'])." => Relation: ".addslashes($detectedQuery['relation']);
            $output .= " - You should add \"with(\'".addslashes($detectedQuery['relation'])."\')\" to eager-load this relation.";
            $output .= "\\n";
        }
        $output .= "')";
        $output .= '</script>';

return $output;
    }
}

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