226 lines
8.8 KiB
C#
226 lines
8.8 KiB
C#
using System.Collections.Concurrent;
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using AutoMapper;
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using DMS.Application.DTOs;
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using DMS.Application.Events;
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using DMS.Application.Interfaces;
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using DMS.Application.Interfaces.Database;
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using DMS.Application.Interfaces.Management;
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using DMS.Core.Enums;
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namespace DMS.Application.Services.Management;
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/// <summary>
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/// MQTT管理服务，负责MQTT相关的业务逻辑。
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/// </summary>
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public class MqttManagementService : IMqttManagementService
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{
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private readonly IMqttAppService _mqttAppService;
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private readonly IAppDataStorageService _appDataStorageService;
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private readonly IEventService _eventService;
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private readonly IMapper _mapper;
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private readonly IDataProcessingService _dataProcessingService;
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public MqttManagementService(IMqttAppService mqttAppService,
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IAppDataStorageService appDataStorageService,
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IEventService eventService,
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IMapper mapper,
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IDataProcessingService dataProcessingService)
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{
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_mqttAppService = mqttAppService;
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_appDataStorageService = appDataStorageService;
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_eventService = eventService;
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_mapper = mapper;
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_dataProcessingService = dataProcessingService;
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}
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/// <summary>
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/// 异步根据ID获取MQTT服务器DTO。
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/// </summary>
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public async Task<MqttServerDto> GetMqttServerByIdAsync(int id)
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{
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return await _mqttAppService.GetMqttServerByIdAsync(id);
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}
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/// <summary>
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/// 异步获取所有MQTT服务器DTO列表。
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/// </summary>
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public async Task<List<MqttServerDto>> GetAllMqttServersAsync()
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{
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return await _mqttAppService.GetAllMqttServersAsync();
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}
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/// <summary>
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/// 异步创建一个新的MQTT服务器。
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/// </summary>
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public async Task<MqttServerDto> CreateMqttServerAsync(MqttServerDto mqttServerDto)
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{
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var result = await _mqttAppService.CreateMqttServerAsync(mqttServerDto);
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// 创建成功后，将MQTT服务器添加到内存中
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if (result > 0)
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{
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mqttServerDto.Id = result; // 假设返回的ID是新创建的
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if (_appDataStorageService.MqttServers.TryAdd(mqttServerDto.Id, mqttServerDto))
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{
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_eventService.RaiseMqttServerChanged(
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this, new MqttServerChangedEventArgs(ActionChangeType.Added, mqttServerDto));
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}
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}
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return mqttServerDto;
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}
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/// <summary>
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/// 异步更新一个已存在的MQTT服务器。
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/// </summary>
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public async Task<int> UpdateMqttServerAsync(MqttServerDto mqttServerDto)
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{
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return await UpdateMqttServersAsync(new List<MqttServerDto>() { mqttServerDto });
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}
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/// <summary>
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/// 异步批量更新MQTT服务器。
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/// </summary>
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public async Task<int> UpdateMqttServersAsync(List<MqttServerDto> mqttServerDtos)
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{
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var result = await _mqttAppService.UpdateMqttServersAsync(mqttServerDtos);
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// 批量更新成功后，更新内存中的MQTT服务器
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if (result > 0 && mqttServerDtos != null)
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{
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foreach (var mqttServerDto in mqttServerDtos)
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{
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if (_appDataStorageService.MqttServers.TryGetValue(mqttServerDto.Id, out var mMqttServerDto))
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{
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// 比较旧值和新值，确定哪个属性发生了变化
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var changedProperties = GetChangedProperties(mMqttServerDto, mqttServerDto);
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// 更新内存中的MQTT服务器
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_mapper.Map(mqttServerDto, mMqttServerDto);
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// 为每个发生变化的属性触发事件
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foreach (var property in changedProperties)
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{
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_eventService.RaiseMqttServerChanged(
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this, new MqttServerChangedEventArgs(ActionChangeType.Updated, mMqttServerDto, property));
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}
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// 如果没有任何属性发生变化，至少触发一次更新事件
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if (changedProperties.Count == 0)
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{
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_eventService.RaiseMqttServerChanged(
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this, new MqttServerChangedEventArgs(ActionChangeType.Updated, mMqttServerDto, MqttServerPropertyType.All));
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}
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}
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else
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{
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// 如果内存中不存在该MQTT服务器，则直接添加
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_appDataStorageService.MqttServers.TryAdd(mqttServerDto.Id, mqttServerDto);
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_eventService.RaiseMqttServerChanged(
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this, new MqttServerChangedEventArgs(ActionChangeType.Added, mqttServerDto, MqttServerPropertyType.All));
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}
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}
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}
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return result;
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}
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/// <summary>
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/// 异步删除一个MQTT服务器。
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/// </summary>
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public async Task<bool> DeleteMqttServerAsync(int id)
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{
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var mqttServer = await _mqttAppService.GetMqttServerByIdAsync(id); // 获取MQTT服务器信息用于内存删除
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var result = await _mqttAppService.DeleteMqttServerAsync(id) > 0;
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// 删除成功后，从内存中移除MQTT服务器
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if (result && mqttServer != null)
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{
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if (_appDataStorageService.MqttServers.TryRemove(id, out var mqttServerDto))
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{
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_eventService.RaiseMqttServerChanged(
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this, new MqttServerChangedEventArgs(ActionChangeType.Deleted, mqttServerDto));
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}
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}
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return result;
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}
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/// <summary>
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/// 异步批量删除MQTT服务器。
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/// </summary>
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public async Task<bool> DeleteMqttServersAsync(List<int> ids)
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{
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var result = await _mqttAppService.DeleteMqttServersAsync(ids);
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// 批量删除成功后，从内存中移除MQTT服务器
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if (result && ids != null)
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{
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foreach (var id in ids)
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{
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if (_appDataStorageService.MqttServers.TryRemove(id, out var mqttServerDto))
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{
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_eventService.RaiseMqttServerChanged(
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this, new MqttServerChangedEventArgs(ActionChangeType.Deleted, mqttServerDto));
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}
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}
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}
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return result;
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}
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/// <summary>
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/// 获取发生变化的属性列表
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/// </summary>
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/// <param name="oldMqttServer">旧MQTT服务器值</param>
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/// <param name="newMqttServer">新MQTT服务器值</param>
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/// <returns>发生变化的属性列表</returns>
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private List<MqttServerPropertyType> GetChangedProperties(MqttServerDto oldMqttServer, MqttServerDto newMqttServer)
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{
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var changedProperties = new List<MqttServerPropertyType>();
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if (oldMqttServer.ServerName != newMqttServer.ServerName)
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changedProperties.Add(MqttServerPropertyType.ServerName);
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if (oldMqttServer.ServerUrl != newMqttServer.ServerUrl)
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changedProperties.Add(MqttServerPropertyType.ServerUrl);
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if (oldMqttServer.Port != newMqttServer.Port)
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changedProperties.Add(MqttServerPropertyType.Port);
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if (oldMqttServer.IsConnect != newMqttServer.IsConnect)
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changedProperties.Add(MqttServerPropertyType.IsConnect);
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if (oldMqttServer.Username != newMqttServer.Username)
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changedProperties.Add(MqttServerPropertyType.Username);
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if (oldMqttServer.Password != newMqttServer.Password)
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changedProperties.Add(MqttServerPropertyType.Password);
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if (oldMqttServer.IsActive != newMqttServer.IsActive)
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changedProperties.Add(MqttServerPropertyType.IsActive);
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if (oldMqttServer.SubscribeTopic != newMqttServer.SubscribeTopic)
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changedProperties.Add(MqttServerPropertyType.SubscribeTopic);
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if (oldMqttServer.PublishTopic != newMqttServer.PublishTopic)
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changedProperties.Add(MqttServerPropertyType.PublishTopic);
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if (oldMqttServer.ClientId != newMqttServer.ClientId)
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changedProperties.Add(MqttServerPropertyType.ClientId);
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if (oldMqttServer.MessageFormat != newMqttServer.MessageFormat)
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changedProperties.Add(MqttServerPropertyType.MessageFormat);
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if (oldMqttServer.MessageHeader != newMqttServer.MessageHeader)
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changedProperties.Add(MqttServerPropertyType.MessageHeader);
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if (oldMqttServer.MessageContent != newMqttServer.MessageContent)
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changedProperties.Add(MqttServerPropertyType.MessageContent);
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if (oldMqttServer.MessageFooter != newMqttServer.MessageFooter)
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changedProperties.Add(MqttServerPropertyType.MessageFooter);
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return changedProperties;
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}
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} |