35 lines
938 B
PHP
35 lines
938 B
PHP
<?php
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declare(strict_types=1);
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header('Content-Type: application/json');
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require __DIR__ . '/db.php'; // ligação PDO
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require __DIR__ . '/mqtt.php'; // função mqtt_publish($topic,$msg)
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$data = json_decode(file_get_contents('php://input'), true);
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if (!$data || !isset($data['uid']) || !isset($data['cmd'])) {
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http_response_code(400);
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echo json_encode(['error'=>'invalid_request']);
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exit;
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}
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$uid = $data['uid'];
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$cmd = $data['cmd'];
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$value = $data['value'] ?? null;
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// ----------------------- MQTT -----------------------
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$topic = "esp/$uid/cmd";
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$msg = ['cmd' => $cmd];
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if ($value !== null) $msg['value'] = $value;
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mqtt_publish($topic, json_encode($msg, JSON_UNESCAPED_SLASHES));
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// ----------------------- BD -------------------------
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if ($cmd === 'BLOCK') {
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$stmt = $pdo->prepare("UPDATE contadores SET blocked = ? WHERE uid = ?");
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$stmt->execute([intval($value), $uid]);
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}
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echo json_encode(['ok'=>1]);
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