event-types/public/index.php

<?PHP
/**
 * This is a simple site offering an overview over the available event types at
 * museum-digital.
 *
 * @author Joshua Ramon Enslin <joshua@museum-digital.de>
 */
declare(strict_types = 1);

require __DIR__ . '/../provide_env.php';

if (is_numeric($_GET['lang'])) {
    header('Location: /en/' . $_GET['lang']);
    return;
}

 error_reporting(E_ALL);
ini_set("display_errors", "1");

if (!empty($_GET['lang']) and is_string($_GET['lang']) and is_dir(__DIR__ . "/../l10n/translation-musdb/{$_GET['lang']}")) {
    $lang = $_GET['lang'];
}
else $lang = "en";

$tlLoader = new MDTlLoader("ereignis_auswahl", $lang);

$eventTypes = [];

foreach (MDEventsSet::EVENT_IDS as $j) {

    $eventTypes[$j] = [
        'ereignistyp_id' => $j,
        'ereignistyp_name' => $tlLoader->tl("eventtype_name", "eventname", $j),
        'ereignistyp_explica' => $tlLoader->tl("eventtype_explica", "ereignistyp_explica", $j),
    ];
}

$availableLangs = MD_STD::scandir(__DIR__ . "/../l10n/translation-musdb");

if (!empty($_GET['id']) and !($id = filter_var($_GET['id'], FILTER_VALIDATE_INT))) {
    echo "Error: IDs must be presented in a numeric format.";
    return;
}

echo '
<style>
    body { font-family: Helvetica, Arial, Calibri; }
    code { font-size: 1.4em; }
    a { padding: .2em; color: #333; text-decoration: none; transition: background .4s, border .4s; }
    a:hover { color: #FFF; background: #000; border-radius: .2em; }
</style>
';

foreach ($availableLangs as $tLang) {
    echo '
    <a href="/' . $tLang;
    if (!empty($id)) echo '/' . $id;
    echo '">' . $tLang . '</a> ';
}
echo '<hr />';

if (!empty($id)) {

    echo '
<h1>' . $eventTypes[$id]['ereignistyp_name'] . '</h1>
<dl>
    <dt>ID</dt>
    <dd>' . $id . '</dd>
    <dt>-</dt>
    <dd>' . $eventTypes[$id]['ereignistyp_explica'] . '</dd>
    <dt><label for="permalink">Permalink</label></dt>
    <dd><input type="text" id="permalink" value="https://event-types.museum-digital.org/' . $id . '" /></dd>
<dl>
<hr />
<a href="/' . $lang . '">x</a>
';
    return;

}


echo '
<h1>Event types</h1>';

foreach ($eventTypes as $type) {

    echo '
<div>
    <h2><a href="/' . $lang . '/' . $type['ereignistyp_id'] . '"><code>' . $type['ereignistyp_id'] . '</code>: ' . $type['ereignistyp_name'] . '</a></h2>
    <p>' . $type['ereignistyp_explica'] . '</p>
</div>
<hr>
';

}