sync from local backup

logs/tasks.py

@@ -0,0 +1,61 @@
+from celery import shared_task
+from django.utils import timezone
+from datetime import timedelta
+
+
+@shared_task
+def cleanup_old_request_logs():
+    threshold = timezone.now() - timedelta(days=30)
+    from .models import ApiRequestLog
+    deleted_count, _ = ApiRequestLog.objects.filter(timestamp__lt=threshold).delete()
+    return f'已清理 {deleted_count} 条过期请求日志'
+
+
+@shared_task
+def cleanup_old_error_logs():
+    threshold = timezone.now() - timedelta(days=90)
+    from .models import ErrorLog
+    deleted_count, _ = ErrorLog.objects.filter(
+        timestamp__lt=threshold,
+        is_resolved=True
+    ).delete()
+    return f'已清理 {deleted_count} 条已处理的过期错误日志'
+
+
+@shared_task
+def cleanup_old_event_logs():
+    threshold = timezone.now() - timedelta(days=60)
+    from .models import SystemEventLog
+    deleted_count, _ = SystemEventLog.objects.filter(timestamp__lt=threshold).delete()
+    return f'已清理 {deleted_count} 条过期事件日志'
+
+
+@shared_task
+def generate_daily_stats():
+    from .models import ApiRequestLog, ErrorLog
+    from django.db.models import Count, Avg
+
+    today_start = timezone.now().replace(hour=0, minute=0, second=0, microsecond=0)
+    yesterday_start = today_start - timedelta(days=1)
+
+    yesterday_stats = ApiRequestLog.objects.filter(
+        timestamp__gte=yesterday_start,
+        timestamp__lt=today_start
+    ).aggregate(
+        total_requests=Count('id'),
+        error_count=Count('id', filter={'is_error': True}),
+        avg_duration=Avg('duration_ms'),
+    )
+
+    error_count = ErrorLog.objects.filter(
+        timestamp__gte=yesterday_start,
+        timestamp__lt=today_start
+    ).count()
+
+    return {
+        'date': yesterday_start.date().isoformat(),
+        'total_requests': yesterday_stats['total_requests'],
+        'error_requests': yesterday_stats['error_count'],
+        'error_logs': error_count,
+        'avg_duration_ms': round(yesterday_stats['avg_duration'] or 0, 2),
+    }