120 lines
4.5 KiB
C#
120 lines
4.5 KiB
C#
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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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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/// </summary>
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public class MqttAliasAppService : IMqttAliasAppService
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{
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private readonly IRepositoryManager _repoManager;
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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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/// </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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_mapper = mapper;
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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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/// </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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{
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var mqttAlias = await _repoManager.VariableMqttAliases.GetByIdAsync(id);
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return _mapper.Map<VariableMqttAliasDto>(mqttAlias);
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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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/// </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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{
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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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{
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throw new ApplicationException($"MQTT Alias with ID {mqttAliasDto.Id} not found.");
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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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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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}
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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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/// </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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{
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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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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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}
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}
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} |