homeos/app/Support/Mqtt/RingTopics.php

59 lines
1.9 KiB
PHP

<?php
namespace App\Support\Mqtt;
/**
* ring-mqtt (tsightler/ring-mqtt) topic conventions. The bridge publishes device state under
* `ring/<location>/<category>/<deviceId>/<entity>/state` and a bridge health topic under
* `ring/<location>/status`. Vendor specifics stay here (H3).
*
* NOTE: the exact per-entity topic shape should be validated against a live ring-mqtt instance
* when the user connects their account; the parser is deliberately defensive so unrecognized
* topics are ignored rather than creating junk devices.
*/
class RingTopics
{
/** Topics the listener subscribes to. */
public static function subscriptions(): array
{
return ['ring/#'];
}
/**
* Parse a device state topic.
*
* @return array{location:string,category:string,ring_id:string,entity:string}|null
*/
public static function parseState(string $topic): ?array
{
$parts = explode('/', $topic);
if (($parts[0] ?? null) !== 'ring' || end($parts) !== 'state') {
return null;
}
// ring/<location>/<category>/<deviceId>/<entity>/state
if (count($parts) === 6) {
return ['location' => $parts[1], 'category' => $parts[2], 'ring_id' => $parts[3], 'entity' => $parts[4]];
}
// ring/<location>/<category>/<deviceId>/state → device-level; treat category as the entity
if (count($parts) === 5) {
return ['location' => $parts[1], 'category' => $parts[2], 'ring_id' => $parts[3], 'entity' => $parts[2]];
}
return null;
}
/**
* The bridge's own online/offline topic, e.g. "ring/<location>/status".
* Returns true when this topic is a bridge status topic.
*/
public static function isBridgeStatus(string $topic): bool
{
$parts = explode('/', $topic);
return ($parts[0] ?? null) === 'ring' && count($parts) === 3 && $parts[2] === 'status';
}
}