public function showChart(Chart $chart)
{
$referer_s = \Request::header('referer');
if ($referer_s) {
$root = parse_url(\Request::root());
$referer = parse_url($referer_s);
if ($root['host'] == $referer['host'] && strlen($referer['path']) > 1 && !str_contains($referer_s, ".html") && !str_contains($referer_s, "wp-admin") && !str_contains($referer_s, "preview=true") && !str_contains($referer_s, "how-to") && !str_contains($referer_s, "grapher") && !str_contains($referer_s, "about") && !str_contains($referer_s, "roser/")) {
$chart->origin_url = "https://" . $root['host'] . $referer['path'];
$chart->save();
}
}
if ($chart) {
$config = Chart::getConfigWithUrl($chart);
$data = new \StdClass();
$logoUrl = Setting::where('meta_name', 'logoUrl')->first();
$data->logoUrl = !empty($logoUrl) ? url('/') . '/' . $logoUrl->meta_value : '';
$canonicalUrl = URL::to($chart->slug);
// Make metadata for twitter embed cards!
$chartMeta = new \StdClass();
// Replace the chart title placeholders with generic equivalents for now
$title = $config->{"chart-name"};
$title = preg_replace("/, \\*time\\*/", " over time", $title);
$title = preg_replace("/\\*time\\*/", "over time", $title);
$chartMeta->title = $title;
// Description is required by twitter
if (isset($config->{"chart-subname"})) {
$chartMeta->description = $config->{"chart-subname"};
} else {
$chartMeta->description = "An interactive visualization from Our World In Data.";
}
$query = $_SERVER['QUERY_STRING'];
$baseUrl = \Request::root() . "/" . $chart->slug;
$canonicalUrl = $baseUrl;
$imageUrl = $baseUrl . ".png";
if ($query != '') {
$canonicalUrl .= "?" . $query;
$imageUrl .= "?" . $query;
}
$chartMeta->imageUrl = $imageUrl;
$chartMeta->canonicalUrl = $canonicalUrl;
// Give the image exporter a head start on the request for imageUrl
if (!str_contains(\Request::path(), ".export")) {
Chart::exportPNGAsync($chart->slug, $_SERVER['QUERY_STRING'] . "&size=1000x700", 1000, 700);
}
return view('view.show', compact('chart', 'config', 'data', 'canonicalUrl', 'chartMeta'));
} else {
return 'No chart found to view';
}
}
