81 lines
2.4 KiB
PHP
81 lines
2.4 KiB
PHP
<?php
|
||
|
||
namespace App\Services\Draw;
|
||
|
||
use App\Events\DrawCountdownBroadcast;
|
||
use App\Events\DrawResultPublishedBroadcast;
|
||
use App\Events\DrawStatusChangeBroadcast;
|
||
|
||
/**
|
||
* 对齐界面文档 §2.1：`draw.countdown`、`draw.status_change`、`result.published`（频道 `lottery-hall`）。
|
||
*/
|
||
final class LotteryHallRealtimeBroadcaster
|
||
{
|
||
public function __construct(
|
||
private readonly DrawHallSnapshotBuilder $snapshot,
|
||
) {}
|
||
|
||
/** 每秒调度：`draw.countdown` */
|
||
public function countdownPulse(): void
|
||
{
|
||
if (! $this->driverSupportsRealtime()) {
|
||
return;
|
||
}
|
||
|
||
$data = $this->snapshot->build();
|
||
$ms = (int) floor(microtime(true) * 1000);
|
||
|
||
broadcast(new DrawCountdownBroadcast($data, $ms));
|
||
}
|
||
|
||
/**
|
||
* Tick 首尾对比：**数据库**当期指纹（{@see DrawHallSnapshotBuilder::hallTargetFingerprint}）变了再发，
|
||
* 载荷仍为 {@see DrawHallSnapshotBuilder::build()}（含未到 tick 时对 `open` 的展示规范化）。
|
||
*/
|
||
public function notifyStatusChangeIfHallDbChanged(?array $fpBefore, ?array $fpAfter, ?array $snapshotPayload): void
|
||
{
|
||
if (! $this->driverSupportsRealtime()) {
|
||
return;
|
||
}
|
||
|
||
if (($fpBefore['draw_no'] ?? null) === ($fpAfter['draw_no'] ?? null)
|
||
&& ($fpBefore['status'] ?? null) === ($fpAfter['status'] ?? null)) {
|
||
return;
|
||
}
|
||
|
||
$this->notifyStatusChange($snapshotPayload);
|
||
}
|
||
|
||
/** `draw.status_change`（管理端发布后等不与 tick 同路径时使用）。 */
|
||
public function notifyStatusChange(?array $data): void
|
||
{
|
||
if (! $this->driverSupportsRealtime()) {
|
||
return;
|
||
}
|
||
|
||
broadcast(new DrawStatusChangeBroadcast($data, (int) floor(microtime(true) * 1000)));
|
||
}
|
||
|
||
/** `result.published` */
|
||
public function notifyResultPublished(?array $data): void
|
||
{
|
||
if (! $this->driverSupportsRealtime()) {
|
||
return;
|
||
}
|
||
|
||
broadcast(new DrawResultPublishedBroadcast($data, (int) floor(microtime(true) * 1000)));
|
||
}
|
||
|
||
private function driverSupportsRealtime(): bool
|
||
{
|
||
$default = config('broadcasting.default');
|
||
if ($default === null || $default === 'null') {
|
||
return false;
|
||
}
|
||
|
||
$driver = config("broadcasting.connections.{$default}.driver") ?? $default;
|
||
|
||
return ! in_array($driver, ['null', 'log'], true);
|
||
}
|
||
}
|