From 4f7bb6438ef45e969d09460d8f5960fdfcc7a389 Mon Sep 17 00:00:00 2001
From: Borgal <mueller.lars@online.de>
Date: Sat, 16 Aug 2025 00:11:35 +0200
Subject: [PATCH] =?UTF-8?q?Teilnahme=20Eintragung=20hinzugef=C3=BCgt?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 admin/participant.php | 157 ++++++++++++++++++++++++++++++++++++++++++
 index.php             |  50 +++++++++-----
 2 files changed, 190 insertions(+), 17 deletions(-)
 create mode 100755 admin/participant.php

diff --git a/admin/participant.php b/admin/participant.php
new file mode 100755
index 0000000..9f8cd54
--- /dev/null
+++ b/admin/participant.php
@@ -0,0 +1,157 @@
+<?php
+include('../inc/check_login.php');
+include('../inc/db.php');
+require_once '../inc/helpers.php';
+
+$message = '';
+$message_type = '';
+
+// Prüfen, ob eine Meeting-ID übergeben wurde
+if (!isset($_GET['id'])) {
+    header("Location: index.php");
+    exit;
+}
+$meeting_id = htmlspecialchars($_GET['id']);
+
+// Daten speichern, wenn das Formular abgeschickt wurde
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    $table_name = "meeting_teilnehmer"; // <<< Korrekter Tabellenname
+
+    // Vorhandene Daten für dieses Meeting löschen, um Duplikate zu vermeiden
+    $stmt = mysqli_prepare($conn, "DELETE FROM " . $table_name . " WHERE meeting_id = ?");
+    if ($stmt === false) {
+        die("Fehler in der SQL-Abfrage: " . mysqli_error($conn));
+    }
+    mysqli_stmt_bind_param($stmt, "i", $meeting_id);
+    mysqli_stmt_execute($stmt);
+    mysqli_stmt_close($stmt);
+
+    // Gesendete Daten verarbeiten und speichern
+    if (isset($_POST['user_id'])) {
+        $stmt_insert = mysqli_prepare($conn, "INSERT INTO " . $table_name . " (meeting_id, user_id, attended, wore_color, paid) VALUES (?, ?, ?, ?, ?)");
+        if ($stmt_insert === false) {
+            die("Fehler in der SQL-Abfrage: " . mysqli_error($conn));
+        }
+
+        foreach ($_POST['user_id'] as $user_id) {
+            $attended = isset($_POST['attended'][$user_id]) ? 1 : 0;
+            $wore_color = isset($_POST['wore_color'][$user_id]) ? 1 : 0;
+            $paid = isset($_POST['paid'][$user_id]) ? 1 : 0;
+
+            mysqli_stmt_bind_param($stmt_insert, "iiiii", $meeting_id, $user_id, $attended, $wore_color, $paid);
+            mysqli_stmt_execute($stmt_insert);
+        }
+        mysqli_stmt_close($stmt_insert);
+
+        $message = "Meeting-Daten erfolgreich gespeichert!";
+        $message_type = 'success';
+    } else {
+        $message = "Keine Benutzerdaten zum Speichern vorhanden.";
+        $message_type = 'warning';
+    }
+}
+
+// ---------------------------------------------------------------------
+// Daten für das Formular abrufen (Meetings und Benutzer)
+// ---------------------------------------------------------------------
+
+// Meeting-Details abrufen
+$stmt = mysqli_prepare($conn, "SELECT m.meeting_date, c.name AS color_name FROM meetings m JOIN colors c ON m.color_id = c.id WHERE m.id = ?");
+if ($stmt === false) {
+    die("Fehler in der SQL-Abfrage: " . mysqli_error($conn));
+}
+mysqli_stmt_bind_param($stmt, "i", $meeting_id);
+mysqli_stmt_execute($stmt);
+$result = mysqli_stmt_get_result($stmt);
+$meeting = mysqli_fetch_assoc($result);
+mysqli_stmt_close($stmt);
+
+if (!$meeting) {
+    header("Location: index.php");
+    exit;
+}
+
+// Alle Benutzer abrufen
+$users = [];
+$users_result = mysqli_query($conn, "SELECT id, username AS name FROM users ORDER BY username");
+if ($users_result === false) {
+    die("Fehler in der SQL-Abfrage: " . mysqli_error($conn));
+}
+while ($row = mysqli_fetch_assoc($users_result)) {
+    $users[] = $row;
+}
+
+// Bestehende Feedback-Daten für dieses Meeting abrufen, falls vorhanden
+$table_name = "meeting_teilnehmer"; // <<< Korrekter Tabellenname
+$stmt = mysqli_prepare($conn, "SELECT user_id, attended, wore_color, paid FROM " . $table_name . " WHERE meeting_id = ?");
+if ($stmt === false) {
+    die("Fehler in der SQL-Abfrage: " . mysqli_error($conn));
+}
+mysqli_stmt_bind_param($stmt, "i", $meeting_id);
+mysqli_stmt_execute($stmt);
+$result = mysqli_stmt_get_result($stmt);
+while ($row = mysqli_fetch_assoc($result)) {
+    $existing_feedback[$row['user_id']] = $row;
+}
+mysqli_stmt_close($stmt);
+
+require_once '../inc/header.php';
+?>
+
+<div class="container mt-5">
+    <h2 class="mb-4">Teilnahme eintragen</h2>
+    <p class="text-muted">für das Treffen am **<?= date('d.m.Y', strtotime($meeting['meeting_date'])) ?>** in der Farbe **<?= htmlspecialchars($meeting['color_name']) ?>**.</p>
+
+    <?php if ($message): ?>
+        <div class="alert alert-<?= $message_type ?> alert-dismissible fade show" role="alert">
+            <?= $message ?>
+            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+    <?php endif; ?>
+
+    <div class="card shadow mb-4">
+        <div class="card-body">
+            <form action="participant.php?id=<?= $meeting_id ?>" method="post">
+                <table class="table table-striped">
+                    <thead>
+                        <tr>
+                            <th>Benutzer</th>
+                            <th class="text-center">Dabei?</th>
+                            <th class="text-center">Farbe getragen?</th>
+                            <th class="text-center">Gezahlt?</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        <?php foreach ($users as $user): ?>
+                            <tr>
+                                <td><?= htmlspecialchars($user['name']) ?></td>
+                                <td class="text-center">
+                                    <div class="form-check d-inline-block">
+                                        <input class="form-check-input" type="checkbox" name="attended[<?= $user['id'] ?>]" id="attended_<?= $user['id'] ?>" value="1" <?= isset($existing_feedback[$user['id']]) && $existing_feedback[$user['id']]['attended'] ? 'checked' : '' ?>>
+                                    </div>
+                                </td>
+                                <td class="text-center">
+                                    <div class="form-check d-inline-block">
+                                        <input class="form-check-input" type="checkbox" name="wore_color[<?= $user['id'] ?>]" id="wore_color_<?= $user['id'] ?>" value="1" <?= isset($existing_feedback[$user['id']]) && $existing_feedback[$user['id']]['wore_color'] ? 'checked' : '' ?>>
+                                    </div>
+                                </td>
+                                <td class="text-center">
+                                    <div class="form-check d-inline-block">
+                                        <input class="form-check-input" type="checkbox" name="paid[<?= $user['id'] ?>]" id="paid_<?= $user['id'] ?>" value="1" <?= isset($existing_feedback[$user['id']]) && $existing_feedback[$user['id']]['paid'] ? 'checked' : '' ?>>
+                                    </div>
+                                </td>
+                            </tr>
+                            <input type="hidden" name="user_id[]" value="<?= $user['id'] ?>">
+                        <?php endforeach; ?>
+                    </tbody>
+                </table>
+                <div class="d-flex justify-content-between mt-3">
+                    <button type="submit" class="btn btn-primary">Speichern</button>
+                    <a href="../index.php" class="btn btn-outline-secondary">Abbrechen</a>
+                </div>
+            </form>
+        </div>
+    </div>
+</div>
+
+<?php include('../inc/footer.php'); ?>
\ No newline at end of file
diff --git a/index.php b/index.php
index c5cf771..fd59cb8 100755
--- a/index.php
+++ b/index.php
@@ -1,22 +1,27 @@
 <?php
 include('inc/check_login.php');
 include('inc/db.php');
+include('inc/helpers.php');
 
-// Aktuelle Kalenderwoche berechnen
-$current_week = date('W');
+// Funktion, um den nächsten Termin zu holen
+function get_next_meeting($conn)
+{
+    $sql = "SELECT id, meeting_date, color_id, reason
+            FROM meetings 
+            WHERE meeting_date > NOW()
+            ORDER BY meeting_date ASC 
+            LIMIT 1";
 
-// SQL-Abfrage mit JOIN zwischen meetings und colors
-$sql = "SELECT * FROM meetings
-        JOIN colors ON meetings.color_id = colors.id
-        WHERE WEEK(meeting_date, 1) = $current_week
-        ORDER BY meeting_date DESC LIMIT 1";
+    $result = mysqli_query($conn, $sql);
 
-$result = mysqli_query($conn, $sql);
-if (!$result) {
-    die("Fehler in der SQL-Abfrage: " . mysqli_error($conn));
+    if ($result && mysqli_num_rows($result) > 0) {
+        return mysqli_fetch_assoc($result);
+    }
+    return null;
 }
 
-$row = mysqli_fetch_assoc($result);
+// Den nächsten Termin holen
+$row = get_next_meeting($conn);
 
 // Funktion, die basierend auf der Hintergrundfarbe die optimale Textfarbe zurückgibt
 function get_readable_text_color($hex_code)
@@ -59,34 +64,45 @@ $german_weekdays = [
 <div class="container py-5">
     <div class="text-center mb-5">
         <h1 class="display-4 fw-bold">DoMiLi</h1>
-        <p class="lead">Farbe für Kalenderwoche <strong><?= $current_week ?></strong></p>
     </div>
 
     <?php if ($row): ?>
         <?php
         $english_weekday = date('D', strtotime($row['meeting_date']));
         $german_weekday = $german_weekdays[$english_weekday] ?? '';
+
+        // Hole die Farbdetails, da sie nicht mehr im ursprünglichen JOIN sind
+        $color_sql = "SELECT * FROM colors WHERE id = ?";
+        $color_stmt = mysqli_prepare($conn, $color_sql);
+        mysqli_stmt_bind_param($color_stmt, "i", $row['color_id']);
+        mysqli_stmt_execute($color_stmt);
+        $color_result = mysqli_stmt_get_result($color_stmt);
+        $color_row = mysqli_fetch_assoc($color_result);
         ?>
         <div class="card mx-auto bg-light shadow" style="max-width: 400px;">
             <div class="card-body text-center">
-                <h5 class="card-title mb-3">Farbe der Woche</h5>
-                <div class="rounded mb-3 mx-auto d-flex justify-content-center align-items-center" style="height: min(100px, 25vw); background-color: <?= htmlspecialchars($row['hex_code']) ?>; text-shadow: 1px 1px 2px rgba(0,0,0,0.5);">
-                    <p class="fs-5 fw-semibold m-0" style="color: <?= get_readable_text_color($row['hex_code']) ?>;"><?= htmlspecialchars($row['name']) ?></p>
+                <h5 class="card-title mb-3">Farbe des nächsten Treffens</h5>
+                <div class="rounded-4 mb-3 mx-auto d-flex flex-column justify-content-center align-items-center color-box" style="background-image: linear-gradient(135deg, <?= htmlspecialchars($color_row['hex_code']) ?>, <?= darken_color($color_row['hex_code']) ?>);">
+                    <p class="fs-5 fw-semibold m-0" style="color: <?= get_readable_text_color($color_row['hex_code']) ?>;"><?= htmlspecialchars($color_row['name']) ?></p>
+                    <p class="fs-6 fw-normal m-0" style="color: <?= get_readable_text_color($color_row['hex_code']) ?>;"><?= htmlspecialchars($row['reason']) ?></p>
                 </div>
 
                 <p class="text-muted">nächster Termin:</p>
                 <p class="text-muted fw-bold"><?= $german_weekday . ' ' . date('d.m.Y H:i', strtotime($row['meeting_date'])) ?></p>
             </div>
             <div class="d-flex justify-content-center my-3" style="max-width: 400px; margin-left: auto; margin-right: auto;">
-                <a href="#" class="btn btn-sm btn-outline-danger me-4">Absagen</a>
+                <a href="#" class="btn btn-sm btn-outline-danger me-2">Absagen</a>
                 <a href="#" class="btn btn-sm btn-outline-secondary">Verschiebung beantragen</a>
             </div>
+            <div class="d-flex justify-content-center my-3" style="max-width: 400px; margin-left: auto; margin-right: auto;">
+                <a href="admin/participant.php?id=<?= htmlspecialchars($row['id']) ?>" class="btn btn-sm btn-outline-primary">Teilnahme eintragen</a>
+            </div>
         </div>
 
 
     <?php else: ?>
         <div class="alert alert-warning text-center">
-            Keine Farbe für diese Woche festgelegt.
+            Keine anstehenden Termine gefunden.
         </div>
     <?php endif; ?>