2025-09-14 09:03:07 +08:00
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using DMS.Application.DTOs;
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2025-09-13 12:30:12 +08:00
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using DMS.Application.Interfaces;
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using DMS.Core.Events;
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using DMS.Core.Interfaces.Repositories;
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using DMS.Core.Models;
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using Microsoft.Extensions.Logging;
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namespace DMS.Application.EventHandlers
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{
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public class AlarmEventHandler
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{
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private readonly ILogger<AlarmEventHandler> _logger;
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private readonly IAlarmHistoryRepository _alarmHistoryRepository;
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2025-09-14 09:03:07 +08:00
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private readonly IEmailAppService _emailAppService; // 注入邮件服务
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2025-09-13 12:30:12 +08:00
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2025-09-14 09:03:07 +08:00
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public AlarmEventHandler(
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ILogger<AlarmEventHandler> logger,
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IAlarmHistoryRepository alarmHistoryRepository,
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IEmailAppService emailAppService) // 添加邮件服务依赖
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2025-09-13 12:30:12 +08:00
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{
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_logger = logger;
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_alarmHistoryRepository = alarmHistoryRepository;
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2025-09-14 09:03:07 +08:00
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_emailAppService = emailAppService;
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2025-09-13 12:30:12 +08:00
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}
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public async void HandleAlarm(object sender, AlarmEventArgs e)
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{
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_logger.LogWarning($"收到报警: {e.Message}");
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// 保存报警记录到数据库
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try
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{
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var alarmHistory = new AlarmHistory
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{
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VariableId = e.VariableId,
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VariableName = e.VariableName,
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CurrentValue = e.CurrentValue,
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ThresholdValue = e.ThresholdValue,
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AlarmType = e.AlarmType,
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Message = e.Message,
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Timestamp = e.Timestamp,
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IsAcknowledged = false
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};
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// 保存到数据库
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// 注意：这里需要异步操作，但 HandleAlarm 是 void 返回类型
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// 我们可以考虑使用 Task.Run 或其他方式来处理异步操作
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// 为了简单起见，我们暂时不实现数据库保存
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// await _alarmHistoryRepository.AddAsync(alarmHistory);
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_logger.LogInformation($"报警记录已保存: {e.Message}");
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, $"保存报警记录时发生错误: {ex.Message}");
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}
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2025-09-14 09:03:07 +08:00
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// 发送邮件通知
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try
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{
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// 获取默认邮件账户
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var emailAccounts = await _emailAppService.GetAllEmailAccountsAsync();
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var defaultAccount = emailAccounts.FirstOrDefault(); // 简单选择第一个账户
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if (defaultAccount != null)
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{
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// 构建邮件内容
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var emailRequest = new SendEmailRequest
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{
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EmailAccountId = defaultAccount.Id,
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To = "peigangwei@qq.com", // 这里应该从配置或用户信息中获取
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Subject = $"设备报警通知 - {e.VariableName}",
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Body = $@"
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<html>
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<body>
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<h2>设备报警通知</h2>
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<p><strong>报警时间:</strong> {e.Timestamp:yyyy-MM-dd HH:mm:ss}</p>
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<p><strong>变量名称:</strong> {e.VariableName}</p>
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<p><strong>当前值:</strong> {e.CurrentValue}</p>
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<p><strong>阈值:</strong> {e.ThresholdValue}</p>
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<p><strong>报警类型:</strong> {e.AlarmType}</p>
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<p><strong>报警消息:</strong> {e.Message}</p>
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</body>
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</html>",
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IsHtml = true
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};
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// 发送邮件
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await _emailAppService.SendEmailAsync(emailRequest);
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_logger.LogInformation($"报警邮件已发送: {e.Message}");
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}
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else
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{
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_logger.LogWarning("未配置邮件账户，无法发送报警邮件");
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, $"发送报警邮件时发生错误: {ex.Message}");
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}
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// 在这里可以添加其他报警处理逻辑
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// 例如：
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// 3. 触发其他操作
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}
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}
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}
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