deskhub/DeskHub-Webseite/staff/ticket_split.php

<?php
require_once __DIR__ . '/../includes/bootstrap.php';
$staff = require_admin_or_permission('merge_split_ticket');
$pdo   = get_db();

$ticketId = (int)($_GET['id'] ?? 0);
if (!$ticketId) redirect('/staff/tickets.php');

$stmt = $pdo->prepare(
    'SELECT t.*, d.name AS department_name, p.name AS priority_name
     FROM tickets t
     JOIN departments d ON d.id = t.department_id
     JOIN priorities p  ON p.id = t.priority_id
     WHERE t.id = ?'
);
$stmt->execute([$ticketId]);
$ticket = $stmt->fetch();
if (!$ticket) { http_response_code(404); die('Ticket nicht gefunden.'); }
if (!staff_can_access_department($staff, (int) $ticket['department_id'])) { http_response_code(403); die('Sie haben keinen Zugriff auf Tickets dieser Abteilung.'); }

// Nachrichten laden
$threads = $pdo->prepare(
    'SELECT tt.*, s.name AS staff_name
     FROM ticket_threads tt
     LEFT JOIN staff s ON s.id = tt.staff_id
     WHERE tt.ticket_id = ? AND tt.is_internal_note = 0
     ORDER BY tt.created_at ASC'
);
$threads->execute([$ticketId]);
$messages = $threads->fetchAll();

$errors = [];

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    verify_csrf();

    $selectedMsgIds = array_map('intval', $_POST['message_ids'] ?? []);
    $newSubject     = trim($_POST['new_subject'] ?? '');

    if (empty($selectedMsgIds)) {
        $errors[] = 'Bitte mindestens eine Nachricht auswählen.';
    } elseif (!$newSubject) {
        $errors[] = 'Bitte einen Betreff für das neue Ticket angeben.';
    } else {
        // Neues Ticket erstellen
        $newNumber = generate_ticket_number();
        $pdo->prepare(
            'INSERT INTO tickets (ticket_number, subject, status, priority_id, department_id,
             user_id, requester_name, requester_email, source, created_at, updated_at)
             VALUES (?,?,?,?,?,?,?,?,?,?,?)'
        )->execute([
            $newNumber, $newSubject, 'open',
            $ticket['priority_id'], $ticket['department_id'],
            $ticket['user_id'], $ticket['requester_name'], $ticket['requester_email'],
            'staff', db_now(), db_now()
        ]);
        $newId = $pdo->lastInsertId();

        // Ausgewählte Nachrichten verschieben
        $moved = 0;
        foreach ($selectedMsgIds as $msgId) {
            $rows = $pdo->prepare('UPDATE ticket_threads SET ticket_id=? WHERE id=? AND ticket_id=?');
            $rows->execute([$newId, $msgId, $ticketId]);
            $moved += $rows->rowCount();
        }

        // Anhänge der verschobenen Nachrichten mitnehmen
        if ($moved > 0) {
            $placeholders = implode(',', array_fill(0, count($selectedMsgIds), '?'));
            $pdo->prepare("UPDATE ticket_attachments SET ticket_id=? WHERE thread_id IN ($placeholders)")
                ->execute(array_merge([$newId], $selectedMsgIds));
        }

        // Log-Einträge
        log_activity($pdo, $ticketId, $staff['id'], "Ticket aufgeteilt → #{$newNumber} ({$moved} Nachrichten)");
        log_activity($pdo, $newId, $staff['id'], "Erstellt durch Aufteilen von #{$ticket['ticket_number']}");
        audit_log($staff['id'], "Ticket #{$ticket['ticket_number']} aufgeteilt → #{$newNumber}");

        flash('success', "Ticket aufgeteilt. Neues Ticket: #{$newNumber}");
        redirect('/staff/ticket_view.php?n=' . urlencode($newNumber));
    }
}

$pageTitle  = 'Ticket aufteilen';
$activePage = 'tickets';
require __DIR__ . '/_header.php';
?>

<div class="topbar">
  <div>
    <h1>Ticket aufteilen</h1>
    <span class="ticket-no">#<?= e($ticket['ticket_number']) ?></span>
  </div>
  <a href="/staff/ticket_view.php?n=<?= urlencode($ticket['ticket_number']) ?>" class="btn secondary">← Zurück</a>
</div>

<?php foreach ($errors as $err): ?><div class="flash error"><?= e($err) ?></div><?php endforeach; ?>

<div style="display:grid; grid-template-columns:2fr 1fr; gap:20px; align-items:start">
  <div class="card">
    <h3>Nachrichten auswählen</h3>
    <p class="muted" style="font-size:.85rem; margin-bottom:16px">
      Wähle die Nachrichten aus die in das neue Ticket verschoben werden sollen. Die gewählten Nachrichten werden aus diesem Ticket entfernt.
    </p>
    <form method="post" id="split-form">
      <?= csrf_field() ?>
      <div style="display:flex; flex-direction:column; gap:10px; margin-bottom:20px">
        <?php foreach ($messages as $msg): ?>
          <label style="display:flex; gap:12px; padding:12px; border:1px solid var(--border); border-radius:8px; cursor:pointer; transition:background .12s"
                 onmouseover="this.style.background='var(--bg-soft)'" onmouseout="this.style.background=''">
            <input type="checkbox" name="message_ids[]" value="<?= $msg['id'] ?>"
                   style="width:auto; margin-top:3px; flex-shrink:0">
            <div style="min-width:0; flex:1">
              <div style="display:flex; justify-content:space-between; margin-bottom:4px">
                <strong style="font-size:.83rem"><?= e($msg['staff_name'] ?? $ticket['requester_name']) ?></strong>
                <span class="muted" style="font-size:.75rem"><?= format_dt($msg['created_at']) ?></span>
              </div>
              <div style="font-size:.85rem; color:var(--ink-soft); white-space:nowrap; overflow:hidden; text-overflow:ellipsis">
                <?= e(mb_substr(strip_tags($msg['message']), 0, 120)) ?>
              </div>
            </div>
          </label>
        <?php endforeach; ?>
      </div>
      <label>Betreff des neuen Tickets</label>
      <input type="text" name="new_subject" value="<?= e('Re: '.$ticket['subject']) ?>" required>
      <div class="btn-row" style="margin-top:16px">
        <button type="submit" class="btn" onclick="return confirm('Ausgewählte Nachrichten in neues Ticket verschieben?')">
          ✂️ Ticket aufteilen
        </button>
      </div>
    </form>
  </div>

  <div class="card">
    <h3>Hinweise</h3>
    <ul style="padding-left:20px; line-height:2; font-size:.85rem; color:var(--muted)">
      <li>Ausgewählte Nachrichten werden in ein <strong style="color:var(--ink)">neues Ticket</strong> verschoben</li>
      <li>Anhänge der Nachrichten werden mitgenommen</li>
      <li>Das ursprüngliche Ticket bleibt mit den verbleibenden Nachrichten erhalten</li>
      <li>Beide Tickets erhalten einen Log-Eintrag</li>
    </ul>
    <div style="background:var(--bg-soft); border-radius:8px; padding:14px; margin-top:16px; font-size:.83rem">
      <div class="muted" style="margin-bottom:6px">Ursprüngliches Ticket</div>
      <strong>#<?= e($ticket['ticket_number']) ?></strong> – <?= e($ticket['subject']) ?>
      <div class="muted" style="margin-top:4px"><?= count($messages) ?> Nachrichten gesamt</div>
    </div>
  </div>
</div>

<?php require __DIR__ . '/_footer.php'; ?>