完成查询犯人带出次数

services/sur_alert_record_service.py

@@ -272,4 +272,44 @@ class SurAlertRecordService:
         except Exception as e:
             self.db.rollback()
             logger.error(f"Failed to delete alert record: {e}")
-            return False
+            return False
+
+    def get_alert_count_by_person_and_time(
+        self,
+        person_id: int,
+        alert_type: int,
+        hours: int
+    ) -> int:
+        """
+        查询指定人员和时间范围内的告警记录数
+
+        Args:
+            person_id: 人员ID
+            alert_type: 告警类型
+            hours: 小时数（从当前时间往前推算）
+
+        Returns:
+            告警记录数
+        """
+        from datetime import datetime, timedelta
+        
+        # 计算时间范围
+        end_time = datetime.now()
+        start_time = end_time - timedelta(hours=hours)
+        
+        try:
+            count = (
+                self.db.query(SurAlertRecord)
+                .filter(
+                    SurAlertRecord.person_id == person_id,
+                    SurAlertRecord.alert_type == alert_type,
+                    SurAlertRecord.created_time >= start_time,
+                    SurAlertRecord.created_time <= end_time
+                )
+                .count()
+            )
+            logger.debug(f"查询到人员 {person_id} 在最近 {hours} 小时内类型 {alert_type} 的告警记录数: {count}")
+            return count
+        except Exception as e:
+            logger.error(f"查询告警记录数失败: {e}")
+            return 0