329 lines
15 KiB
PHP
Executable File
329 lines
15 KiB
PHP
Executable File
<?php
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include('inc/check_login.php');
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require_once('inc/db.php');
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$is_admin = ($_SESSION['role'] === 'admin');
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$message = '';
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$message_type = '';
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$edit_mode = false;
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$edit_meeting = null;
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// --- Funktion: Zufallsfarbe mit inverser Gewichtung – OHNE übersprungene Termine ---
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function get_weighted_random_color($conn)
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{
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$colors = [];
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// 🔥 Wichtig: Nur nicht-übersprungene Termine zählen
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$result = mysqli_query($conn, "
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SELECT
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c.id,
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c.name,
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COUNT(m.id) AS usage_count
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FROM colors c
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LEFT JOIN meetings m ON c.id = m.color_id AND m.is_skipped = 0
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WHERE c.is_special = 0
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GROUP BY c.id, c.name
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");
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if (!$result || mysqli_num_rows($result) === 0) {
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return null;
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}
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while ($row = mysqli_fetch_assoc($result)) {
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$colors[] = [
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'id' => (int)$row['id'],
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'usage' => (int)$row['usage_count']
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];
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}
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$max_usage = max(array_column($colors, 'usage'));
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$color_pool = [];
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foreach ($colors as $color) {
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$weight = ($max_usage - $color['usage'] + 1) ** 2;
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for ($i = 0; $i < $weight; $i++) {
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$color_pool[] = $color['id'];
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}
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}
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if (empty($color_pool)) {
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return null;
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}
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return $color_pool[array_rand($color_pool)];
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}
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// --- Nur Admins: Löschen ---
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if ($is_admin && isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id'])) {
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$id = (int)$_GET['id'];
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$stmt = mysqli_prepare($conn, "DELETE FROM meetings WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "i", $id);
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if (mysqli_stmt_execute($stmt)) {
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$message = "Termin erfolgreich gelöscht!";
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$message_type = 'success';
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} else {
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$message = "Fehler beim Löschen des Termins.";
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$message_type = 'danger';
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}
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mysqli_stmt_close($stmt);
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header("Location: planning.php");
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exit();
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}
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// --- Nur Admins: Bearbeiten ---
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if ($is_admin && isset($_GET['action']) && $_GET['action'] == 'edit' && isset($_GET['id'])) {
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$id = (int)$_GET['id'];
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// 🔥 is_skipped mit abfragen
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$stmt = mysqli_prepare($conn, "SELECT id, meeting_date, color_id, reason, is_skipped FROM meetings WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "i", $id);
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mysqli_stmt_execute($stmt);
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$result = mysqli_stmt_get_result($stmt);
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$edit_meeting = mysqli_fetch_assoc($result);
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mysqli_stmt_close($stmt);
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$edit_mode = true;
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if ($edit_meeting) {
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$edit_dt = new DateTime($edit_meeting['meeting_date']);
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$edit_meeting['meeting_date_only'] = $edit_dt->format('Y-m-d');
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$edit_meeting['meeting_time_only'] = $edit_dt->format('H:i');
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} else {
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$message = "Termin nicht gefunden.";
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$message_type = 'warning';
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}
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}
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// --- Nur Admins: Speichern (POST) ---
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if ($is_admin && $_SERVER["REQUEST_METHOD"] == "POST") {
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$meeting_date_only = $_POST['meeting_date'] ?? '';
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$meeting_time_only = $_POST['meeting_time'] ?? '12:00';
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$color_id = (int)($_POST['color_id'] ?? 0);
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$reason = trim($_POST['reason'] ?? 'Zufallsfarbe');
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$id = !empty($_POST['id']) ? (int)$_POST['id'] : null;
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$is_skipped = !empty($_POST['is_skipped']) ? 1 : 0;
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if (empty($meeting_date_only) || !$color_id) {
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$message = "Datum und Farbe sind erforderlich.";
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$message_type = 'danger';
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} else {
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$meeting_date = $meeting_date_only . ' ' . $meeting_time_only;
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if ($id) {
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$stmt = mysqli_prepare($conn, "UPDATE meetings SET meeting_date = ?, color_id = ?, reason = ?, is_skipped = ? WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "sisis", $meeting_date, $color_id, $reason, $is_skipped, $id);
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} else {
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$stmt = mysqli_prepare($conn, "INSERT INTO meetings (meeting_date, color_id, reason, is_skipped) VALUES (?, ?, ?, ?)");
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mysqli_stmt_bind_param($stmt, "sisi", $meeting_date, $color_id, $reason, $is_skipped);
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}
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if (mysqli_stmt_execute($stmt)) {
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$message = $id ? "Termin aktualisiert!" : "Neuer Termin hinzugefügt!";
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$message_type = 'success';
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} else {
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$message = "Fehler beim Speichern.";
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$message_type = 'danger';
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}
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mysqli_stmt_close($stmt);
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header("Location: planning.php");
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exit();
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}
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}
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// --- 🔁 Automatische Planung: 4 Donnerstage, max. 1 pro Woche – für ALLE Nutzer ---
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$today = new DateTime('today');
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// Nur nicht-übersprungene Termine zählen
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$existing_weeks = [];
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$result_existing = mysqli_query($conn, "SELECT meeting_date FROM meetings WHERE is_skipped = 0");
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while ($row = mysqli_fetch_assoc($result_existing)) {
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$dt = new DateTime($row['meeting_date']);
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$year = $dt->format('o');
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$week = $dt->format('W');
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$existing_weeks["$year-$week"] = true;
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}
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$date = clone $today;
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for ($i = 0; $i < 4; $i++) {
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$date->modify($i === 0 ? 'next thursday' : 'next thursday');
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$year = $date->format('o');
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$week = $date->format('W');
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$week_key = "$year-$week";
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if (!isset($existing_weeks[$week_key])) {
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$new_date = $date->format('Y-m-d') . ' 12:00:00';
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$color_id = get_weighted_random_color($conn);
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if ($color_id) {
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// Prüfen, ob überhaupt ein Termin (auch übersprungener) existiert → keine Duplikate
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$check = mysqli_prepare($conn, "SELECT id FROM meetings WHERE meeting_date = ?");
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mysqli_stmt_bind_param($check, "s", $new_date);
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mysqli_stmt_execute($check);
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$exists = mysqli_fetch_assoc(mysqli_stmt_get_result($check));
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mysqli_stmt_close($check);
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if (!$exists) {
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$default_reason = "Zufallsfarbe";
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$ins = mysqli_prepare($conn, "INSERT INTO meetings (meeting_date, color_id, reason, is_skipped) VALUES (?, ?, ?, 0)");
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mysqli_stmt_bind_param($ins, "sis", $new_date, $color_id, $default_reason);
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mysqli_stmt_execute($ins);
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mysqli_stmt_close($ins);
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$existing_weeks[$week_key] = true;
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}
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}
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}
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}
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// --- Daten für Anzeige laden ---
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$all_colors = [];
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if ($is_admin) {
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$result_colors = mysqli_query($conn, "SELECT id, name, hex_code FROM colors ORDER BY name");
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while ($row = mysqli_fetch_assoc($result_colors)) {
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$all_colors[] = $row;
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}
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}
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// 🔥 Alle Termine laden (auch übersprungene), für alle Nutzer
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$meetings = [];
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$result_meetings = mysqli_query($conn, "
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SELECT m.id, m.meeting_date, m.reason, m.is_skipped, c.name AS color_name, c.hex_code
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FROM meetings m
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JOIN colors c ON m.color_id = c.id
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WHERE m.is_completed = 0
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ORDER BY m.meeting_date
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");
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while ($row = mysqli_fetch_assoc($result_meetings)) {
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$meetings[] = $row;
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}
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require_once 'inc/header.php';
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?>
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<div class="container mt-5">
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<?php if ($message): ?>
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<div class="alert alert-<?= htmlspecialchars($message_type) ?> alert-dismissible fade show" role="alert">
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<?= htmlspecialchars($message) ?>
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<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
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</div>
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<?php endif; ?>
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<div class="d-flex justify-content-between align-items-center mb-4">
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<h2 class="mb-0">Terminübersicht</h2>
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</div>
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<?php if ($is_admin): ?>
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<div class="collapse <?= $edit_mode ? 'show' : '' ?>" id="planningFormCollapse">
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<div class="card shadow mb-4">
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<div class="card-header bg-primary-subtle text-secondary">
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<h4 class="mb-0"><?= $edit_mode ? 'Termin bearbeiten' : 'Neuen Termin hinzufügen'; ?></h4>
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</div>
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<div class="card-body">
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<form action="planning.php" method="post">
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<?php if ($edit_mode): ?>
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<input type="hidden" name="id" value="<?= htmlspecialchars($edit_meeting['id']); ?>">
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<?php endif; ?>
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<div class="row g-3">
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<div class="col-md-4">
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<label class="form-label">Datum</label>
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<input type="date" class="form-control" name="meeting_date" value="<?= htmlspecialchars($edit_meeting['meeting_date_only'] ?? ''); ?>" required>
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</div>
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<div class="col-md-4">
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<label class="form-label">Uhrzeit</label>
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<input type="time" class="form-control" name="meeting_time" value="<?= htmlspecialchars($edit_meeting['meeting_time_only'] ?? '12:00'); ?>" required>
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</div>
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<div class="col-md-4">
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<label class="form-label">Farbe</label>
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<select class="form-select" name="color_id" required>
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<?php foreach ($all_colors as $color): ?>
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<option value="<?= (int)$color['id'] ?>" <?= (($edit_meeting['color_id'] ?? 0) == $color['id']) ? 'selected' : '' ?>>
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<?= htmlspecialchars($color['name']) ?>
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</option>
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<?php endforeach; ?>
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</select>
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</div>
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<div class="col-12">
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<label class="form-label">Grund für die Farbe (optional)</label>
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<input type="text" class="form-control" name="reason" value="<?= htmlspecialchars($edit_meeting['reason'] ?? ''); ?>">
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<div class="form-text">Wenn leer, wird „Zufallsfarbe“ eingetragen.</div>
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</div>
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<div class="col-12">
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<div class="form-check">
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<input class="form-check-input" type="checkbox" id="is_skipped" name="is_skipped" value="1"
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<?= (!empty($edit_meeting['is_skipped'])) ? 'checked' : '' ?>>
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<label class="form-check-label" for="is_skipped">
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Termin bewusst aussetzen (wird in Grau angezeigt und nicht für Farbstatistik genutzt)
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</label>
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</div>
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</div>
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<div class="col-12 d-flex justify-content-start">
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<button type="submit" class="btn btn-sm btn-outline-<?= $edit_mode ? 'success' : 'primary' ?> me-2">
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<?= $edit_mode ? 'Speichern' : 'Hinzufügen' ?>
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</button>
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<a href="planning.php" class="btn btn-sm btn-outline-secondary">Abbrechen</a>
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</div>
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</div>
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</form>
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</div>
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</div>
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</div>
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<?php endif; ?>
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<div class="card shadow">
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<div class="card-header bg-primary-subtle text-secondary d-flex justify-content-between align-items-center">
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<h4 class="mb-0">Anstehende Termine</h4>
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<?php if ($is_admin): ?>
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<a class="btn btn-sm d-flex align-items-center justify-content-center" data-bs-toggle="collapse" href="#planningFormCollapse" role="button" aria-expanded="false" aria-controls="planningFormCollapse">Add
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<span class="material-symbols-outlined">add</span>
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</a>
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<?php endif; ?>
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</div>
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<div class="card-body">
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<?php if (empty($meetings)): ?>
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<p class="text-muted text-center">Keine anstehenden Termine.</p>
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<?php else: ?>
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<div class="list-group list-group-flush">
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<?php foreach ($meetings as $m): ?>
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<?php
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$is_skipped = (bool)$m['is_skipped'];
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$date_str = date('d.m.Y H:i', strtotime($m['meeting_date']));
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?>
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<div class="list-group-item <?= $is_skipped ? 'opacity-75' : '' ?>">
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<div class="d-flex justify-content-between align-items-start">
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<div>
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<p class="fw-bold mb-1 <?= $is_skipped ? 'text-muted text-decoration-line-through' : '' ?>">
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<?= htmlspecialchars($date_str) ?>
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<?php if ($is_skipped): ?>
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<span class="badge bg-light text-dark ms-2">übersprungen</span>
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<?php endif; ?>
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</p>
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<div class="d-flex align-items-center mb-1">
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<div class="me-2" style="background-color: <?= htmlspecialchars($m['hex_code']); ?>; width: 20px; height: 20px; border: 1px solid #ccc; border-radius: 2px;"></div>
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<span><?= htmlspecialchars($m['color_name']); ?></span>
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</div>
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<p class="text-muted small mb-0">Grund: <?= htmlspecialchars($m['reason']); ?></p>
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</div>
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<?php if ($is_admin): ?>
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<div class="dropdown ms-2">
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<a href="#" class="text-secondary" role="button" data-bs-toggle="dropdown" aria-expanded="false">
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<span class="material-icons">more_vert</span>
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</a>
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<ul class="dropdown-menu dropdown-menu-end">
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<li>
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<a class="dropdown-item d-flex align-items-center" href="planning.php?action=edit&id=<?= (int)$m['id'] ?>">
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<span class="material-icons me-2">mode_edit_outline</span> Bearbeiten
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</a>
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</li>
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<li>
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<a class="dropdown-item d-flex align-items-center text-danger" href="planning.php?action=delete&id=<?= (int)$m['id'] ?>" onclick="return confirm('Wirklich löschen?')">
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<span class="material-icons me-2">delete_outline</span> Löschen
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</a>
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</li>
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</ul>
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</div>
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<?php endif; ?>
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</div>
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</div>
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<?php endforeach; ?>
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</div>
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<?php endif; ?>
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</div>
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</div>
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</div>
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<?php include('inc/footer.php'); ?>
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