82 lines
2.3 KiB
PHP
82 lines
2.3 KiB
PHP
<?php
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namespace App\Services;
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use App\Http\Controllers\Admin\ProductController;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Cache;
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class PriceBroadcastService
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{
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private const LAST_HASH_KEY = 'ws_broadcast:last_hash';
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private const LIST_HASH_KEY = 'ws_broadcast:list_hash';
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/**
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* @param array<string, mixed>|null $lastPayload
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*/
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public function broadcastAfterPriceUpdate(?array $lastPayload = null): void
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{
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$ws = app(WebsocketBroadcastService::class);
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if (! $ws->isEnabled()) {
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return;
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}
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if ($lastPayload === null) {
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$cache = app(LivePriceCacheService::class);
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$lastPayload = $cache->get() ?? $cache->buildFromDatabase();
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}
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if (is_array($lastPayload) && $lastPayload !== []) {
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$this->broadcastLastIfChanged($lastPayload);
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}
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$listPayload = $this->buildProductListPayload();
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if ($listPayload !== null) {
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$this->broadcastListIfChanged($listPayload);
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}
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}
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/**
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* @param array<string, mixed> $payload
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*/
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public function broadcastLastIfChanged(array $payload): void
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{
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$hash = md5(json_encode($payload, JSON_UNESCAPED_UNICODE));
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if (Cache::get(self::LAST_HASH_KEY) === $hash) {
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return;
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}
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Cache::put(self::LAST_HASH_KEY, $hash, now()->addHour());
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app(WebsocketBroadcastService::class)->sendEvent('last', $payload);
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}
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/**
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* @param array<int, mixed> $products
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*/
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public function broadcastListIfChanged(array $products): void
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{
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$hash = md5(json_encode($products, JSON_UNESCAPED_UNICODE));
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if (Cache::get(self::LIST_HASH_KEY) === $hash) {
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return;
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}
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Cache::put(self::LIST_HASH_KEY, $hash, now()->addHour());
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app(WebsocketBroadcastService::class)->sendEvent('list', ['data' => $products]);
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}
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/**
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* @return array<int, mixed>|null
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*/
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private function buildProductListPayload(): ?array
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{
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$request = Request::create('/customer/product/list', 'GET');
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app()->instance('request', $request);
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$response = app(ProductController::class)->listProduct();
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$decoded = json_decode($response->getContent(), true);
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return is_array($decoded) ? $decoded : null;
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}
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}
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