初步添加报警功能

DMS.Application/Services/Processors/AlarmProcessor.cs

@@ -0,0 +1,39 @@
+using DMS.Application.Interfaces;
+using DMS.Application.Models;
+using Microsoft.Extensions.Logging;
+
+namespace DMS.Application.Services.Processors
+{
+    public class AlarmProcessor : IVariableProcessor
+    {
+        private readonly IAlarmService _alarmService;
+        private readonly ILogger<AlarmProcessor> _logger;
+
+        public AlarmProcessor(IAlarmService alarmService, ILogger<AlarmProcessor> logger)
+        {
+            _alarmService = alarmService;
+            _logger = logger;
+        }
+
+        public async Task ProcessAsync(VariableContext context)
+        {
+            try
+            {
+                // 检查是否触发报警
+                bool isAlarmTriggered = _alarmService.CheckAlarm(context.Data);
+                
+                if (isAlarmTriggered)
+                {
+                    _logger.LogInformation($"变量 {context.Data.Name} 触发了报警。");
+                    // 报警逻辑已经通过事件处理，这里可以添加其他处理逻辑（如记录到数据库）
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, $"处理变量 {context.Data.Name} 的报警时发生错误: {ex.Message}");
+            }
+            
+            // 不设置 context.IsHandled = true，让其他处理器继续处理
+        }
+    }
+}