搭建消息告警模块以及跨网推送服务，支持企微，飞书，钉钉通知

2026-09-03 14:02:35 +08:00
parent cfa8e78d33
commit 3927b0c201
40 changed files with 4360 additions and 7 deletions
@@ -0,0 +1,115 @@
+using Model;
+using Model.Dto.Inspection;
+using Model.Entity.Inspection;
+using Model.Mapper;
+using ORM;
+using Service.Interface;
+using SqlSugar;
+using System;
+using System.Threading.Tasks;
+
+namespace Service.Implement
+{
+    /// <summary>
+    /// 告警中心服务实现（全系统统一告警上报入口）
+    /// 职责：默认内容生成 → 去重合并（防告警风暴）→ 落库 → 规则触发计数 → 通知队列入队
+    /// </summary>
+    public class AlertCenterService : IAlertCenterService
+    {
+        /// <summary>
+        /// 合并窗口（分钟）：窗口内同设备+同测点+同类型的活跃告警不新建记录，只累加触发次数。
+        /// 后续可迁移到系统参数配置模块动态调整
+        /// </summary>
+        private const int MergeWindowMinutes = 5;
+
+        /// <summary>
+        /// 上报一条告警
+        /// </summary>
+        public async Task<Result<string>> RaiseAsync(AlertRaiseDto dto)
+        {
+            if (dto == null)
+            {
+                return Result<string>.Error("告警上报参数为空");
+            }
+            if (string.IsNullOrWhiteSpace(dto.DeviceCode) && string.IsNullOrWhiteSpace(dto.Content))
+            {
+                return Result<string>.Error("设备编号与告警内容不能同时为空");
+            }
+
+            try
+            {
+                var now = DateTime.Now;
+
+                // ===== 去重合并：窗口内相同 设备+测点+类型 的活跃告警（未确认/已确认）只累加不新建 =====
+                var active = await SqlSugarContext.DbContext.Queryable<AlertMessageEntity>()
+                    .Where(x => x.IsDel == 0)
+                    .Where(x => x.DeviceCode == dto.DeviceCode && x.Metric == dto.Metric && x.AlertType == dto.AlertType)
+                    .Where(x => x.AlertStatus == AlertStatusEnum.Unacknowledged || x.AlertStatus == AlertStatusEnum.Acknowledged)
+                    .Where(x => x.LastAlertTime >= now.AddMinutes(-MergeWindowMinutes))
+                    .FirstAsync();
+
+                if (active != null)
+                {
+                    // 累加触发次数、刷新最近告警时间与当前值；级别取更高者（告警升级）
+                    var mergedLevel = active.AlertLevel > dto.AlertLevel ? active.AlertLevel : dto.AlertLevel;
+                    await SqlSugarContext.DbContext.Updateable<AlertMessageEntity>()
+                        .SetColumns(x => new AlertMessageEntity
+                        {
+                            TriggerCount = x.TriggerCount + 1,
+                            LastAlertTime = now,
+                            CurrentValue = dto.CurrentValue ?? x.CurrentValue,
+                            AlertLevel = mergedLevel
+                        })
+                        .Where(x => x.Id == active.Id)
+                        .ExecuteCommandAsync();
+
+                    // 合并告警也入队（是否真正推送由 Worker 按通知规则静默期决定）
+                    AlertNotifyBus.Publish(active.Id, false);
+                    return Result<string>.Success(active.Id.ToString());
+                }
+
+                // ===== 新告警：生成默认内容 → 落库 → 规则计数 → 入队 =====
+                var entity = dto.ToEntity();
+                if (string.IsNullOrWhiteSpace(entity.Content))
+                {
+                    entity.Content = BuildDefaultContent(entity);
+                }
+                entity.CreateTime = now;
+                entity.FirstAlertTime = now;
+                entity.LastAlertTime = now;
+                entity.TriggerCount = 1;
+                entity.AlertStatus = AlertStatusEnum.Unacknowledged;
+
+                await SqlSugarContext.DbContext.Insertable(entity).ExecuteCommandAsync();
+
+                // 来源为规则引擎时，回写规则触发统计（与黄的规则引擎模块联动）
+                if (entity.RuleId > 0)
+                {
+                    await SqlSugarContext.DbContext.Updateable<AlertRuleEntity>()
+                        .SetColumns(x => new AlertRuleEntity { TriggerCount = x.TriggerCount + 1, LastAlarmTime = now })
+                        .Where(x => x.Id == entity.RuleId)
+                        .ExecuteCommandAsync();
+                }
+
+                AlertNotifyBus.Publish(entity.Id, true);
+                return Result<string>.Success(entity.Id.ToString());
+            }
+            catch (Exception ex)
+            {
+                return Result<string>.Error("告警上报失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 按内置模板生成默认告警内容（后续可由通知模板模块接管，见 TemplateCode 预留字段）
+        /// </summary>
+        private static string BuildDefaultContent(AlertMessageEntity e)
+        {
+            string device = string.IsNullOrWhiteSpace(e.DeviceName) ? e.DeviceCode ?? "未知设备" : $"{e.DeviceName}({e.DeviceCode})";
+            string metric = string.IsNullOrWhiteSpace(e.Metric) ? "" : $" 测点[{e.Metric}]";
+            string value = e.CurrentValue.HasValue ? $" 当前值 {e.CurrentValue.Value}" : "";
+            string threshold = e.ThresholdValue.HasValue ? $"，阈值 {e.ThresholdValue.Value}" : "";
+            return $"{device}{metric} 触发告警：{value}{threshold}";
+        }
+    }
+}