爬虫开发

2026-02-18 12:56:36 +08:00
parent a98bc6f13c
commit 260460df03
45 changed files with 4091 additions and 8 deletions
--- a/app/Services/Crawler/CrawlAlertService.php
+++ b/app/Services/Crawler/CrawlAlertService.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Crawler;
+
+use App\Enums\CrawlAlertSeverity;
+use App\Models\CrawlAlert;
+use App\Models\CrawlRule;
+use App\Models\CrawlRun;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Mail;
+
+class CrawlAlertService
+{
+    public function notify(
+        CrawlAlertSeverity $severity,
+        string $type,
+        string $message,
+        ?CrawlRule $rule = null,
+        ?CrawlRun $run = null,
+        ?array $context = null,
+    ): CrawlAlert {
+        $alert = CrawlAlert::query()->create([
+            'run_id' => $run?->id,
+            'rule_id' => $rule?->id,
+            'severity' => $severity,
+            'type' => $type,
+            'message' => $message,
+            'context' => $context,
+            'is_resolved' => false,
+        ]);
+
+        $recipient = $rule?->alert_email ?: config('crawler.default_alert_email');
+
+        if (is_string($recipient) && $recipient !== '') {
+            try {
+                Mail::raw($this->buildEmailBody($alert), static function ($mail) use ($recipient, $severity): void {
+                    $mail->to($recipient)
+                        ->subject(sprintf('[Crawler][%s] 采集告警', strtoupper($severity->value)));
+                });
+            } catch (\Throwable $exception) {
+                Log::warning('Crawler alert email failed', [
+                    'alert_id' => $alert->id,
+                    'error' => $exception->getMessage(),
+                ]);
+            }
+        }
+
+        return $alert;
+    }
+
+    private function buildEmailBody(CrawlAlert $alert): string
+    {
+        $lines = [
+            '采集告警通知',
+            sprintf('等级: %s', $alert->severity?->value ?? 'unknown'),
+            sprintf('类型: %s', $alert->type),
+            sprintf('信息: %s', $alert->message),
+            sprintf('规则ID: %s', (string) ($alert->rule_id ?? '-')),
+            sprintf('运行ID: %s', (string) ($alert->run_id ?? '-')),
+            sprintf('时间: %s', (string) $alert->created_at),
+        ];
+
+        if (is_array($alert->context) && $alert->context !== []) {
+            $lines[] = '上下文:';
+            $lines[] = json_encode($alert->context, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) ?: '{}';
+        }
+
+        return implode("\n", $lines);
+    }
+}
+