radio-free-elsewhere/admin/index.php

<?php
require __DIR__ . '/../includes/auth.php';
require __DIR__ . '/../includes/admin_layout.php';
require __DIR__ . '/../includes/broadcasts.php';

$admin = requireAdmin();
$db = getDB();

// e.g. "Friday, October 30 at 7:30pm Eastern (23:30 UTC)"
function describeScheduledAt(string $utc): string {
    $local = utcToStationTime($utc);
    $text = $local->format('l, F j \a\t g:ia') . ' ' . STATION_TIMEZONE_LABEL . ' (' . substr($utc, 11, 5) . ' UTC';
    if (substr($utc, 0, 10) !== $local->format('Y-m-d')) $text .= ' on ' . (new DateTimeImmutable($utc))->format('l');
    return $text . ')';
}

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    verifyCsrf();
    $action = $_POST['action'] ?? '';

    if ($action === 'set_show') {
        $stmt = $db->prepare('SELECT id, name FROM shows WHERE id = ?');
        $stmt->execute([(int)($_POST['show_id'] ?? 0)]);
        $show = $stmt->fetch();
        $date = trim((string)($_POST['date'] ?? ''));
        $time = substr(trim((string)($_POST['time'] ?? '')), 0, 5);
        $scheduledAt = $date === '' && $time === '' ? null : stationTimeToUtc("$date $time");
        $episodeTitle = trim((string)($_POST['episode_title'] ?? ''));
        $label = $show['name'] . ($episodeTitle !== '' ? " ({$episodeTitle})" : '');
        if (!$show) {
            flash('Please choose a show.', 'error');
        } elseif (($date !== '' || $time !== '') && $scheduledAt === null) {
            flash('Please enter both a valid date and time, or leave both blank.', 'error');
        } elseif (setBroadcastShow($db, (int)$show['id'], $scheduledAt, $episodeTitle) === 'live') {
            flash("The live broadcast is now {$label}.");
        } else {
            flash("{$label} is queued" . ($scheduledAt ? ' for ' . describeScheduledAt($scheduledAt) : '')
                . '. It will go live as soon as the stream starts.');
        }
    } elseif ($action === 'clear_queue') {
        clearQueuedShow($db);
        flash('The queued show has been cleared.');
    }

    header('Location: index.php');
    exit;
}

$live = liveBroadcast($db);
$current = currentShow($db);
$shows = $db->query('SELECT id, name FROM shows ORDER BY name')->fetchAll();
$scheduledLocal = !$live && $current && $current['scheduled_at'] ? utcToStationTime($current['scheduled_at']) : null;

adminHeader('Dashboard', $admin);
?>
				<h3>Broadcast status</h3>
				<p>
<?php if ($live): ?>
					<strong>Live now</strong><?= $current ? ': ' . e($current['name']) . ($current['episode_title'] ? ' — “' . e($current['episode_title']) . '”' : '') : ' (no show set)' ?>, since <?= e($live['started_at']) ?> UTC.
<?php elseif ($current): ?>
					Offline. <strong><?= e($current['name']) ?></strong><?= $current['episode_title'] ? ' — “' . e($current['episode_title']) . '”' : '' ?> is queued for the next broadcast<?= $current['scheduled_at'] ? ', scheduled for ' . e(describeScheduledAt($current['scheduled_at'])) : '' ?>.
<?php else: ?>
					Offline. No show is queued.
<?php endif; ?>
				</p>

				<h3><?= $live ? 'Change the live show' : 'Queue the next show' ?></h3>
				<p><?= $live
				    ? 'Switch which show, and episode title, the live page and recently played list belong to.'
				    : 'Choose the show before you start streaming. The broadcast goes live on the site automatically when the stream comes online. The show, and its episode title and start time if you enter them, appear on the main page until then.' ?></p>
				<form method="post" action="index.php">
					<?= csrfField() ?>
					<input type="hidden" name="action" value="set_show" />
					<div class="row gtr-uniform gtr-50">
						<div class="col-12">
							<select name="show_id" aria-label="Show" required>
								<option value="">Choose a show…</option>
<?php foreach ($shows as $show): ?>
								<option value="<?= (int)$show['id'] ?>"<?= $current && $current['id'] == $show['id'] ? ' selected' : '' ?>><?= e($show['name']) ?></option>
<?php endforeach; ?>
							</select>
						</div>
						<div class="<?= $live ? 'col-8' : 'col-12' ?> col-12-small">
							<label for="episode_title">Episode title (optional)</label>
							<input type="text" name="episode_title" id="episode_title" maxlength="255" placeholder="e.g. Ethereal and Enya" value="<?= $current && $current['episode_title'] ? e($current['episode_title']) : '' ?>" />
						</div>
<?php if (!$live): ?>
						<div class="col-6 col-12-xsmall">
							<label for="date">Date (optional)</label>
							<input type="date" name="date" id="date" value="<?= $scheduledLocal ? $scheduledLocal->format('Y-m-d') : '' ?>" />
						</div>
						<div class="col-6 col-12-xsmall">
							<label for="time">Start time, <?= e(STATION_TIMEZONE_LABEL) ?> (optional)</label>
							<input type="time" name="time" id="time" value="<?= $scheduledLocal ? $scheduledLocal->format('H:i') : '' ?>" />
						</div>
<?php endif; ?>
						<div class="<?= $live ? 'col-4' : 'col-12' ?> col-12-small">
							<input type="submit" class="primary<?= $live ? ' fit' : '' ?>" value="<?= $live ? 'Switch show' : 'Queue show' ?>" />
						</div>
					</div>
				</form>

<?php if (!$live && $current): ?>
				<form method="post" action="index.php">
					<?= csrfField() ?>
					<input type="hidden" name="action" value="clear_queue" />
					<input type="submit" class="small" value="Clear queued show" />
				</form>
<?php endif; ?>
<?php
adminFooter();