初步给Mqtt添加了别名功能
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@@ -1,14 +1,16 @@
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using AutoMapper;
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using DMS.Core.Interfaces;
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using DMS.Core.Models;
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using DMS.Application.DTOs;
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using DMS.Application.Interfaces;
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using DMS.Core.Interfaces;
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using DMS.Core.Models;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using System;
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namespace DMS.Application.Services;
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/// <summary>
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/// MQTT别名应用服务，负责处理MQTT别名相关的业务逻辑。
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/// 实现 <see cref="IMqttAliasAppService"/> 接口。
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/// IMqttAliasAppService 的实现，负责管理变量与MQTT服务器的别名关联。
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/// </summary>
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public class MqttAliasAppService : IMqttAliasAppService
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{
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@@ -16,10 +18,8 @@ public class MqttAliasAppService : IMqttAliasAppService
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private readonly IMapper _mapper;
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/// <summary>
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/// 构造函数，通过依赖注入获取仓储管理器和AutoMapper实例。
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/// 构造函数。
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/// </summary>
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/// <param name="repoManager">仓储管理器实例。</param>
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/// <param name="mapper">AutoMapper 实例。</param>
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public MqttAliasAppService(IRepositoryManager repoManager, IMapper mapper)
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{
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_repoManager = repoManager;
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@@ -27,94 +27,93 @@ public class MqttAliasAppService : IMqttAliasAppService
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}
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/// <summary>
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/// 异步根据ID获取MQTT别名数据传输对象。
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/// 异步获取指定变量的所有MQTT别名关联。
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/// </summary>
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/// <param name="id">MQTT别名ID。</param>
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/// <returns>MQTT别名数据传输对象。</returns>
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public async Task<VariableMqttAliasDto> GetMqttAliasByIdAsync(int id)
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public async Task<List<VariableMqttAliasDto>> GetAliasesForVariableAsync(int variableId)
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{
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var mqttAlias = await _repoManager.VariableMqttAliases.GetByIdAsync(id);
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return _mapper.Map<VariableMqttAliasDto>(mqttAlias);
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// 从仓储获取别名，并确保加载了关联的MqttServer信息
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var aliases = await _repoManager.VariableMqttAliases.GetAliasesForVariableAsync(variableId);
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return _mapper.Map<List<VariableMqttAliasDto>>(aliases);
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}
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/// <summary>
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/// 异步获取所有MQTT别名数据传输对象列表。
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/// 异步为变量分配或更新一个MQTT别名。
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/// </summary>
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/// <returns>MQTT别名数据传输对象列表。</returns>
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public async Task<List<VariableMqttAliasDto>> GetAllMqttAliasesAsync()
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{
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var mqttAliases = await _repoManager.VariableMqttAliases.GetAllAsync();
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return _mapper.Map<List<VariableMqttAliasDto>>(mqttAliases);
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}
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/// <summary>
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/// 异步创建一个新MQTT别名（事务性操作）。
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/// </summary>
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/// <param name="mqttAliasDto">要创建的MQTT别名数据传输对象。</param>
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/// <returns>新创建MQTT别名的ID。</returns>
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/// <exception cref="ApplicationException">如果创建MQTT别名时发生错误。</exception>
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public async Task<int> CreateMqttAliasAsync(VariableMqttAliasDto mqttAliasDto)
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public async Task AssignAliasAsync(int variableId, int mqttServerId, string alias)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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var mqttAlias = _mapper.Map<VariableMqttAlias>(mqttAliasDto);
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await _repoManager.VariableMqttAliases.AddAsync(mqttAlias);
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await _repoManager.CommitAsync();
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return mqttAlias.Id;
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException("创建MQTT别名时发生错误，操作已回滚。", ex);
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}
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}
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/// <summary>
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/// 异步更新一个已存在的MQTT别名（事务性操作）。
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/// </summary>
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/// <param name="mqttAliasDto">要更新的MQTT别名数据传输对象。</param>
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/// <returns>表示异步操作的任务。</returns>
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/// <exception cref="ApplicationException">如果找不到MQTT别名或更新MQTT别名时发生错误。</exception>
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public async Task UpdateMqttAliasAsync(VariableMqttAliasDto mqttAliasDto)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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var mqttAlias = await _repoManager.VariableMqttAliases.GetByIdAsync(mqttAliasDto.Id);
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if (mqttAlias == null)
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// 检查是否已存在该变量与该服务器的关联
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var existingAlias = await _repoManager.VariableMqttAliases.GetByVariableAndServerAsync(variableId, mqttServerId);
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if (existingAlias != null)
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{
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throw new ApplicationException($"MQTT Alias with ID {mqttAliasDto.Id} not found.");
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// 如果存在，则更新别名
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existingAlias.Alias = alias;
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await _repoManager.VariableMqttAliases.UpdateAsync(existingAlias);
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}
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_mapper.Map(mqttAliasDto, mqttAlias);
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await _repoManager.VariableMqttAliases.UpdateAsync(mqttAlias);
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else
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{
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// 如果不存在，则创建新的关联
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var newAlias = new VariableMqttAlias
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{
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VariableId = variableId,
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MqttServerId = mqttServerId,
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Alias = alias
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};
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await _repoManager.VariableMqttAliases.AddAsync(newAlias);
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}
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await _repoManager.CommitAsync();
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException("更新MQTT别名时发生错误，操作已回滚。", ex);
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throw new ApplicationException("分配/更新MQTT别名失败。", ex);
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}
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}
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/// <summary>
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/// 异步删除一个MQTT别名（事务性操作）。
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/// 异步更新一个已存在的MQTT别名。
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/// </summary>
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/// <param name="id">要删除MQTT别名的ID。</param>
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/// <returns>表示异步操作的任务。</returns>
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/// <exception cref="ApplicationException">如果删除MQTT别名时发生错误。</exception>
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public async Task DeleteMqttAliasAsync(int id)
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public async Task UpdateAliasAsync(int aliasId, string newAlias)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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await _repoManager.VariableMqttAliases.DeleteByIdAsync(id);
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var aliasToUpdate = await _repoManager.VariableMqttAliases.GetByIdAsync(aliasId);
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if (aliasToUpdate == null)
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{
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throw new KeyNotFoundException($"未找到ID为 {aliasId} 的MQTT别名关联。");
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}
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aliasToUpdate.Alias = newAlias;
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await _repoManager.VariableMqttAliases.UpdateAsync(aliasToUpdate);
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await _repoManager.CommitAsync();
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException("删除MQTT别名时发生错误，操作已回滚。", ex);
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throw new ApplicationException("更新MQTT别名失败。", ex);
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}
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}
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/// <summary>
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/// 异步移除一个MQTT别名关联。
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/// </summary>
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public async Task RemoveAliasAsync(int aliasId)
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{
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try
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{
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await _repoManager.BeginTranAsync();
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await _repoManager.VariableMqttAliases.DeleteByIdAsync(aliasId);
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await _repoManager.CommitAsync();
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}
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catch (Exception ex)
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{
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await _repoManager.RollbackAsync();
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throw new ApplicationException("移除MQTT别名失败。", ex);
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}
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}
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}
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