netwatch/app/modules/devices/list.php

<?php
/**
 * modules/devices/list.php
 * Vollständige Geräteübersicht
 */

// =========================
// Filter / Suche einlesen
// =========================

$search      = trim($_GET['search'] ?? '');
$typeId      = (int)($_GET['type_id'] ?? 0);
$locationId  = (int)($_GET['location_id'] ?? 0);
$floorId     = (int)($_GET['floor_id'] ?? 0);
$rackId      = (int)($_GET['rack_id'] ?? 0);

// =========================
// WHERE-Clause dynamisch bauen
// =========================

$where   = [];
$types   = '';
$params  = [];

if ($search !== '') {
    $where[] = "(d.name LIKE ? OR d.serial_number LIKE ? OR dt.name LIKE ?)";
    $types  .= "sss";
    $params[] = "%$search%";
    $params[] = "%$search%";
    $params[] = "%$search%";
}

if ($typeId > 0) {
    $where[] = "dt.id = ?";
    $types  .= "i";
    $params[] = $typeId;
}

if ($locationId > 0) {
    $where[] = "l.id = ?";
    $types  .= "i";
    $params[] = $locationId;
}

if ($floorId > 0) {
    $where[] = "f.id = ?";
    $types  .= "i";
    $params[] = $floorId;
}

if ($rackId > 0) {
    $where[] = "r.id = ?";
    $types  .= "i";
    $params[] = $rackId;
}

$whereSql = $where ? 'WHERE ' . implode(' AND ', $where) : '';

// =========================
// Geräte laden (inkl. Status-Aggregate)
// =========================

$devices = $sql->get(
    "
    SELECT
        d.id,
        d.name,
        d.serial_number,
        d.rack_position_he,
        d.rack_height_he,

        dt.name AS device_type,
        dt.image_path,
        dt.image_type,

        l.name AS location_name,
        f.name AS floor_name,
        r.name AS rack_name,

        COUNT(dp.id) AS total_ports,
        SUM(dp.status = 'active') AS active_ports,
        SUM(c.id IS NOT NULL) AS connected_ports

    FROM devices d
    JOIN device_types dt ON dt.id = d.device_type_id

    LEFT JOIN racks r ON r.id = d.rack_id
    LEFT JOIN floors f ON f.id = r.floor_id
    LEFT JOIN buildings b ON b.id = f.building_id
    LEFT JOIN locations l ON l.id = b.location_id

    LEFT JOIN device_ports dp ON dp.device_id = d.id
    LEFT JOIN connections c
        ON (c.port_a_type = 'device' AND c.port_a_id = dp.id)
        OR (c.port_b_type = 'device' AND c.port_b_id = dp.id)

    $whereSql
    GROUP BY d.id
    ORDER BY l.name, f.level, r.name, d.rack_position_he, d.name
    ",
    $types,
    $params
);

// =========================
// Filter-Daten laden
// =========================

$deviceTypes = $sql->get("SELECT id, name FROM device_types ORDER BY name", "", []);
$locations   = $sql->get("SELECT id, name FROM locations ORDER BY name", "", []);
$floors      = $sql->get("SELECT id, name FROM floors ORDER BY level", "", []);
$racks       = $sql->get("SELECT id, name FROM racks ORDER BY name", "", []);
?>

<h2>Geräte</h2>

<form method="get" class="toolbar">
    <input type="hidden" name="module" value="devices">
    <input type="hidden" name="action" value="list">

    <input type="text" name="search" placeholder="Suche…" value="<?= htmlspecialchars($search) ?>">

    <select name="type_id">
        <option value="">Gerätetyp</option>
        <?php foreach ($deviceTypes as $t): ?>
            <option value="<?= $t['id'] ?>" <?= $t['id'] === $typeId ? 'selected' : '' ?>>
                <?= htmlspecialchars($t['name']) ?>
            </option>
        <?php endforeach; ?>
    </select>

    <select name="location_id">
        <option value="">Standort</option>
        <?php foreach ($locations as $l): ?>
            <option value="<?= $l['id'] ?>" <?= $l['id'] === $locationId ? 'selected' : '' ?>>
                <?= htmlspecialchars($l['name']) ?>
            </option>
        <?php endforeach; ?>
    </select>

    <select name="floor_id">
        <option value="">Floor</option>
        <?php foreach ($floors as $f): ?>
            <option value="<?= $f['id'] ?>" <?= $f['id'] === $floorId ? 'selected' : '' ?>>
                <?= htmlspecialchars($f['name']) ?>
            </option>
        <?php endforeach; ?>
    </select>

    <select name="rack_id">
        <option value="">Rack</option>
        <?php foreach ($racks as $r): ?>
            <option value="<?= $r['id'] ?>" <?= $r['id'] === $rackId ? 'selected' : '' ?>>
                <?= htmlspecialchars($r['name']) ?>
            </option>
        <?php endforeach; ?>
    </select>

    <button type="submit">Filtern</button>

    <a href="/devices/edit" class="button">
        + Neues Gerät
    </a>
</form>

<?php if ($devices): ?>

<table class="device-list">
    <thead>
        <tr>
            <th>Vorschau</th>
            <th>Name</th>
            <th>Typ</th>
            <th>Standort</th>
            <th>Rack</th>
            <th>HE</th>
            <th>Ports</th>
            <th>Aktionen</th>
        </tr>
    </thead>
    <tbody>

    <?php foreach ($devices as $d):
        $freePorts = max(0, $d['total_ports'] - $d['connected_ports']);
    ?>
        <tr>
            <td>
                <?php if ($d['image_path']): ?>
                    <img src="<?= htmlspecialchars($d['image_path']) ?>" class="thumb">
                <?php else: ?>
                    —
                <?php endif; ?>
            </td>

            <td>
                <strong><?= htmlspecialchars($d['name']) ?></strong><br>
                <small><?= htmlspecialchars($d['serial_number'] ?? '') ?></small>
            </td>

            <td><?= htmlspecialchars($d['device_type']) ?></td>

            <td>
                <?= htmlspecialchars($d['location_name'] ?? '—') ?><br>
                <small><?= htmlspecialchars($d['floor_name'] ?? '') ?></small>
            </td>

            <td><?= htmlspecialchars($d['rack_name'] ?? '—') ?></td>

            <td>
                <?= htmlspecialchars($d['rack_position_he'] ?? '—') ?>
                <?php if ($d['rack_height_he']): ?>
                    – <?= $d['rack_position_he'] + $d['rack_height_he'] - 1 ?>
                <?php endif; ?>
            </td>

            <td>
                <?= (int)$d['connected_ports'] ?>/<?= (int)$d['total_ports'] ?>
                <br>
                <small><?= $freePorts ?> frei</small>
            </td>

            <td class="actions">
                <a href="/devices/ports?id=<?= $d['id'] ?>">Ports</a>
                <a href="/devices/edit?id=<?= $d['id'] ?>">Bearbeiten</a>
                <a href="/devices/delete?id=<?= $d['id'] ?>"
                   onclick="return confirm('Gerät wirklich löschen?')">
                   Löschen
                </a>
            </td>
        </tr>
    <?php endforeach; ?>

    </tbody>
</table>

<?php else: ?>

<div class="empty-state">
    <p>Keine Geräte gefunden.</p>
</div>

<?php endif; ?>