100 lines
2.9 KiB
PHP
100 lines
2.9 KiB
PHP
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<?php
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namespace App\Services\Video;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Http;
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use Illuminate\Support\Facades\Log;
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class TrendingKeywordService
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{
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private const CACHE_KEY = 'google_trends_kr';
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private const CACHE_TTL = 1800; // 30분
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private const RSS_URL = 'https://trends.google.co.kr/trending/rss?geo=KR';
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/**
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* Google Trends RSS에서 한국 실시간 급상승 키워드 수집
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*/
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public function fetchTrendingKeywords(int $limit = 10): array
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{
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return Cache::remember(self::CACHE_KEY, self::CACHE_TTL, function () use ($limit) {
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try {
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$response = Http::timeout(10)
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->withHeaders(['Accept' => 'application/xml'])
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->get(self::RSS_URL);
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if (! $response->successful()) {
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Log::warning('TrendingKeywordService: RSS 호출 실패', [
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'status' => $response->status(),
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]);
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return [];
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}
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$keywords = $this->parseGoogleTrendsRss($response->body());
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return array_slice($keywords, 0, $limit);
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} catch (\Exception $e) {
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Log::error('TrendingKeywordService: 예외 발생', [
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'error' => $e->getMessage(),
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]);
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return [];
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}
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});
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}
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/**
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* RSS XML 파싱
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*/
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private function parseGoogleTrendsRss(string $xml): array
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{
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$keywords = [];
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try {
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// XML namespace 처리를 위해 ht: 접두사 등록
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$doc = new \SimpleXMLElement($xml);
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$namespaces = $doc->getNamespaces(true);
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$items = $doc->channel->item ?? [];
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foreach ($items as $item) {
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$keyword = (string) $item->title;
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if (empty($keyword)) {
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continue;
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}
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$traffic = '';
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$newsTitle = '';
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if (isset($namespaces['ht'])) {
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$htData = $item->children($namespaces['ht']);
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$traffic = (string) ($htData->approx_traffic ?? '');
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if (isset($htData->news_item)) {
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$newsTitle = (string) ($htData->news_item->news_item_title ?? '');
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}
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}
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$pubDate = (string) ($item->pubDate ?? '');
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$keywords[] = [
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'keyword' => $keyword,
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'traffic' => $traffic,
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'news_title' => $newsTitle,
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'pub_date' => $pubDate ? date('c', strtotime($pubDate)) : null,
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];
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}
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} catch (\Exception $e) {
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Log::error('TrendingKeywordService: XML 파싱 실패', [
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'error' => $e->getMessage(),
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]);
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}
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return $keywords;
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}
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}
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