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machine_beam_status_monitor.php | 20260920_164915.php Initial Domain Snapshot

<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);

require_once __DIR__ . '/modules/auth/page_acl.php';
$ctx = page_require_access('machine_beam_status_monitor');

$company_id = (int)$ctx['company_id'];
$pdo        = $ctx['pdo'];

/* -------------------------------------------------
   STEP 1: LAST SYNC TIME
------------------------------------------------- */
$st = $pdo->prepare("
  SELECT MAX(updated_at)
  FROM machine_beam_status
  WHERE company_id = ?
");
$st->execute([$company_id]);
$last_sync = $st->fetchColumn() ?: '1970-01-01 00:00:00';

/* -------------------------------------------------
   STEP 2: FETCH NEW EVENTS
------------------------------------------------- */
$st = $pdo->prepare("
  SELECT
    beam_no,
    machine_no,
    machine_type,
    beam_slot,
    event_type,
    created_at
  FROM beam_load_data
  WHERE company_id = ?
    AND created_at > ?
    AND event_type IN ('loaded','finished')
  ORDER BY created_at ASC
");
$st->execute([$company_id, $last_sync]);
$events = $st->fetchAll(PDO::FETCH_ASSOC);

/* -------------------------------------------------
   HELPERS
------------------------------------------------- */
function json_add($json, $value){
  $arr = $json ? json_decode($json, true) : [];
  if (!in_array($value, $arr)) $arr[] = $value;
  return json_encode(array_values($arr));
}

/* -------------------------------------------------
   STEP 3: PROCESS EVENTS
------------------------------------------------- */
foreach ($events as $e) {

$machine_no   = $e['machine_no'];
  $machine_type = $e['machine_type'];
  $slot         = $e['beam_slot'];   // primary / secondary
  $beam_no      = $e['beam_no'];
  $etype        = $e['event_type'];

/* Ensure ONE row per machine */
  $st = $pdo->prepare("
    SELECT *
    FROM machine_beam_status
    WHERE company_id = ? AND machine_no = ?
    LIMIT 1
  ");
  $st->execute([$company_id, $machine_no]);
  $row = $st->fetch(PDO::FETCH_ASSOC);

if (!$row) {
    $pdo->prepare("
      INSERT INTO machine_beam_status
      (company_id, machine_no, machine_type, updated_at)
      VALUES (?,?,?,NOW())
    ")->execute([$company_id, $machine_no, $machine_type]);

$row = [
      'primary_running_beam'   => null,
      'primary_advance_beam'   => null,
      'primary_finished_beams' => null,
      'secondary_running_beam' => null,
      'secondary_advance_beam' => null,
      'secondary_finished_beams'=> null,
    ];
  }

/* ---------------- LOADED ---------------- */
  if ($etype === 'loaded') {

if ($slot === 'primary') {
      if (empty($row['primary_running_beam'])) {
        $pdo->prepare("
          UPDATE machine_beam_status
          SET primary_running_beam=?, updated_at=NOW()
          WHERE company_id=? AND machine_no=?
        ")->execute([$beam_no, $company_id, $machine_no]);
      } elseif (empty($row['primary_advance_beam'])) {
        $pdo->prepare("
          UPDATE machine_beam_status
          SET primary_advance_beam=?, updated_at=NOW()
          WHERE company_id=? AND machine_no=?
        ")->execute([$beam_no, $company_id, $machine_no]);
      }
    }

if ($slot === 'secondary') {
      if (empty($row['secondary_running_beam'])) {
        $pdo->prepare("
          UPDATE machine_beam_status
          SET secondary_running_beam=?, updated_at=NOW()
          WHERE company_id=? AND machine_no=?
        ")->execute([$beam_no, $company_id, $machine_no]);
      } elseif (empty($row['secondary_advance_beam'])) {
        $pdo->prepare("
          UPDATE machine_beam_status
          SET secondary_advance_beam=?, updated_at=NOW()
          WHERE company_id=? AND machine_no=?
        ")->execute([$beam_no, $company_id, $machine_no]);
      }
    }
  }

/* ---------------- FINISHED ---------------- */
  if ($etype === 'finished') {

if ($slot === 'primary' && $row['primary_running_beam'] == $beam_no) {

$finished = json_add($row['primary_finished_beams'], $beam_no);

$pdo->prepare("
        UPDATE machine_beam_status
        SET
          primary_running_beam = primary_advance_beam,
          primary_advance_beam = NULL,
          primary_finished_beams = ?,
          updated_at = NOW()
        WHERE company_id=? AND machine_no=?
      ")->execute([$finished, $company_id, $machine_no]);
    }

if ($slot === 'secondary' && $row['secondary_running_beam'] == $beam_no) {

$finished = json_add($row['secondary_finished_beams'], $beam_no);

$pdo->prepare("
        UPDATE machine_beam_status
        SET
          secondary_running_beam = secondary_advance_beam,
          secondary_advance_beam = NULL,
          secondary_finished_beams = ?,
          updated_at = NOW()
        WHERE company_id=? AND machine_no=?
      ")->execute([$finished, $company_id, $machine_no]);
    }
  }
}

/* -------------------------------------------------
   STEP 4: VIEW SNAPSHOT
------------------------------------------------- */
$st = $pdo->prepare("
  SELECT *
  FROM machine_beam_status
  WHERE company_id = ?
  ORDER BY machine_no
");
$st->execute([$company_id]);
$rows = $st->fetchAll(PDO::FETCH_ASSOC);

require_once __DIR__ . '/partials/header.php';
?>

<div class="wrap">
<h2>Machine Beam Status Monitor</h2>

<table class="table table--bordered">
<thead>
<tr>
  <th>Machine</th>
  <th>Primary Running</th>
  <th>Primary Advance</th>
  <th>Secondary Running</th>
  <th>Secondary Advance</th>
  <th>Updated</th>
</tr>
</thead>
<tbody>
<?php foreach ($rows as $r): ?>
<tr>
  <td><?=htmlspecialchars($r['machine_no'])?></td>
  <td><?=$r['primary_running_beam'] ?: '-'?></td>
  <td><?=$r['primary_advance_beam'] ?: '-'?></td>
  <td><?=$r['secondary_running_beam'] ?: '-'?></td>
  <td><?=$r['secondary_advance_beam'] ?: '-'?></td>
  <td><?=$r['updated_at']?></td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
</div>

<?php require_once __DIR__ . '/partials/footer.php'; ?>