111 lines
4.2 KiB
PHP
Executable File
111 lines
4.2 KiB
PHP
Executable File
<?php
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include('inc/check_login.php');
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include('inc/db.php');
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include('inc/helpers.php');
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// Funktion, um den nächsten Termin zu holen
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function get_next_meeting($conn)
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{
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$sql = "SELECT id, meeting_date, color_id, reason
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FROM meetings
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WHERE meeting_date > NOW()
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ORDER BY meeting_date ASC
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LIMIT 1";
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$result = mysqli_query($conn, $sql);
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if ($result && mysqli_num_rows($result) > 0) {
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return mysqli_fetch_assoc($result);
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}
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return null;
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}
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// Den nächsten Termin holen
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$row = get_next_meeting($conn);
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// Funktion, die basierend auf der Hintergrundfarbe die optimale Textfarbe zurückgibt
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function get_readable_text_color($hex_code)
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{
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// Entferne das # falls vorhanden
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$hex_code = ltrim($hex_code, '#');
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// Erweitere 3-stellige Hex-Codes auf 6 Stellen
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if (strlen($hex_code) == 3) {
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$hex_code = $hex_code[0] . $hex_code[0] . $hex_code[1] . $hex_code[1] . $hex_code[2] . $hex_code[2];
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}
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// Konvertiere Hex zu RGB
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$r = hexdec(substr($hex_code, 0, 2));
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$g = hexdec(substr($hex_code, 2, 2));
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$b = hexdec(substr($hex_code, 4, 2));
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// Berechne die Luminanz (Helligkeit)
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// Die menschliche Wahrnehmung von Helligkeit ist nicht linear
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$luminance = (0.299 * $r + 0.587 * $g + 0.114 * $b) / 255;
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// Gib Weiß (#FFFFFF) für dunkle Farben und Schwarz (#000000) für helle Farben zurück
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return $luminance > 0.5 ? '#000000' : '#FFFFFF';
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}
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include('inc/header.php');
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// Wochentags-Übersetzung
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$german_weekdays = [
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'Mon' => 'Mo.',
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'Tue' => 'Di.',
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'Wed' => 'Mi.',
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'Thu' => 'Do.',
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'Fri' => 'Fr.',
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'Sat' => 'Sa.',
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'Sun' => 'So.',
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];
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?>
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<div class="container py-5">
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<div class="text-center mb-5">
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<h1 class="display-4 fw-bold">DoMiLi</h1>
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</div>
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<?php if ($row): ?>
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<?php
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$english_weekday = date('D', strtotime($row['meeting_date']));
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$german_weekday = $german_weekdays[$english_weekday] ?? '';
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// Hole die Farbdetails, da sie nicht mehr im ursprünglichen JOIN sind
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$color_sql = "SELECT * FROM colors WHERE id = ?";
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$color_stmt = mysqli_prepare($conn, $color_sql);
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mysqli_stmt_bind_param($color_stmt, "i", $row['color_id']);
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mysqli_stmt_execute($color_stmt);
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$color_result = mysqli_stmt_get_result($color_stmt);
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$color_row = mysqli_fetch_assoc($color_result);
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?>
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<div class="card mx-auto bg-light shadow" style="max-width: 400px;">
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<div class="card-body text-center">
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<h5 class="card-title mb-3">Farbe des nächsten Treffens</h5>
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<div class="rounded-4 mb-3 mx-auto d-flex flex-column justify-content-center align-items-center color-box" style="background-image: linear-gradient(135deg, <?= htmlspecialchars($color_row['hex_code']) ?>, <?= darken_color($color_row['hex_code']) ?>);">
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<p class="fs-5 fw-semibold m-0" style="color: <?= get_readable_text_color($color_row['hex_code']) ?>;"><?= htmlspecialchars($color_row['name']) ?></p>
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<p class="fs-6 fw-normal m-0" style="color: <?= get_readable_text_color($color_row['hex_code']) ?>;"><?= htmlspecialchars($row['reason']) ?></p>
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</div>
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<p class="text-muted">nächster Termin:</p>
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<p class="text-muted fw-bold"><?= $german_weekday . ' ' . date('d.m.Y H:i', strtotime($row['meeting_date'])) ?></p>
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</div>
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<div class="d-flex justify-content-center my-3" style="max-width: 400px; margin-left: auto; margin-right: auto;">
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<a href="#" class="btn btn-sm btn-outline-danger me-2">Absagen</a>
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<a href="#" class="btn btn-sm btn-outline-secondary">Verschiebung beantragen</a>
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</div>
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<div class="d-flex justify-content-center my-3" style="max-width: 400px; margin-left: auto; margin-right: auto;">
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<a href="admin/participant.php?id=<?= htmlspecialchars($row['id']) ?>" class="btn btn-sm btn-outline-primary">Teilnahme eintragen</a>
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</div>
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</div>
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<?php else: ?>
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<div class="alert alert-warning text-center">
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Keine anstehenden Termine gefunden.
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</div>
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<?php endif; ?>
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</div>
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<?php include('inc/footer.php'); ?>
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