JiShe.IOT.Admin/src/JiShe.IoT.Application/BusinessSystemAggregation/BusinessSystemAggregationService.cs

using JiShe.IoT.BusinessSystemAggregation.Dto;
using JiShe.ServicePro;
using JiShe.ServicePro.ApacheIoTDB.Provider.Model;
using JiShe.ServicePro.ApacheIoTDB.Provider.Options;
using JiShe.ServicePro.Core;
using JiShe.ServicePro.DataChannelManages;
using JiShe.ServicePro.DeviceManagement.DeviceInfos;
using JiShe.ServicePro.Dto;
using JiShe.ServicePro.Encrypt;
using JiShe.ServicePro.Enums;
using JiShe.ServicePro.FreeRedisProvider;
using JiShe.ServicePro.IoTDBManagement.DataChannels;
using JiShe.ServicePro.IoTDBManagement.TreeModels;
using Mapster;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Collections.Generic;

namespace JiShe.IoT.BusinessSystemAggregation
{
    /// <summary>
    /// 业务系统聚合服务
    /// </summary>
    public class BusinessSystemAggregationService(IOptions<ServerApplicationOptions> options, IReliableRedisPubSubService redisPubSubService, IDeviceAppService deviceAppService, IIoTDBDataChannelManageService ioTDBDataChannelManageService, IOptions<IoTDBOptions> _ioTDBOptions, ITreeModelService treeModelService, ILogger<BusinessSystemAggregationService> _logger) : IoTAppService, IBusinessSystemAggregationService
    {
        ServerApplicationOptions srverOptions = options.Value;
        IoTDBOptions ioTDBOptions = _ioTDBOptions.Value;

        /// <summary>
        /// 接收业务系统指令信息
        /// </summary>
        [AllowAnonymous]
        public async Task<HttpDataResult> ReceiveCommandInfoAsync(OpenApiRequest input)
        {

            try
            {

                var handleResult = HandleOpenApiRequest<ReceiveCommandInfoDto>(input);
                if (handleResult.Success == false)
                {
                    return handleResult;
                }
                var messageBody = handleResult.Data;
                string tempMessageBody = null;

                //bool verifySignatureReult = EncryptUtil.OpenApiVerifySignature(input.Message, input.Nonce, input.Timestamp, input.Signature, srverOptions.SignatureToken);
                //if (verifySignatureReult == false)//签名校验失败
                //{
                //    return HttpDataResultExtensions.Failed("签名校验失败", -101, ResponeResultEnum.NotAllowed);
                //}

                //if (string.IsNullOrWhiteSpace(input.Message))
                //{
                //    return HttpDataResultExtensions.Failed("指令下发内容不能为空", -102, ResponeResultEnum.Fail);
                //}

                ////判断是否需要解密
                //ReceiveCommandInfoDto messageBody = null;
                //string tempMessageBody = null;
                //if (srverOptions.IsAesEncrypted && !string.IsNullOrWhiteSpace(srverOptions.AesSecurityKey))
                //{
                //    tempMessageBody = EncryptUtil.OpenApiDecrypto(input.Message, srverOptions.AesSecurityKey);
                //    messageBody = tempMessageBody.Deserialize<ReceiveCommandInfoDto>();
                //}
                //else
                //{
                //    tempMessageBody = input.Message;
                //    messageBody = input.Message.Deserialize<ReceiveCommandInfoDto>();
                //}

                //if (messageBody == null)
                //{
                //    return HttpDataResultExtensions.Failed("指令下发内容不能为空", -103, ResponeResultEnum.Fail);
                //}

                //限定来源类型必须为业务系统
                if (messageBody.SourceType != DeviceTelemetrySourceTypeEnum.BusinessSystem)
                {
                    return HttpDataResultExtensions.Failed("设备指令来源类型错误，业务系统传固定值2", -104, ResponeResultEnum.Fail);
                }

                var deviceInfo = await deviceAppService.FindByDeviceAddressAsync(messageBody.DeviceAddress);

                if (deviceInfo == null)
                {
                    return HttpDataResultExtensions.Failed("设备不存在", -1041, ResponeResultEnum.Fail);
                }

                var packetTaskInfo = GetDeviceTelemetryPacketTaskInfo(ioTDBOptions, input, deviceInfo.Adapt<DeviceCacheInfos>(), tempMessageBody);

                //将指令存储Kafka的OneNET主题中
                if (deviceInfo.IoTPlatform == IoTPlatformTypeEnum.OneNET)
                {
                    //数据写入遥测任务数据存储通道
                    await ioTDBDataChannelManageService.DeviceTelemetryTaskWriterAsync(DataChannelManage.DeviceTelemetryTaskDataChannel.Writer, (DistributedMessageCenterConst.OneNETCommandIssuedEventName, packetTaskInfo));


                    await redisPubSubService.PublishReliableAsync(DistributedMessageCenterConst.OneNETCommandIssuedEventName, input);
                }
                else if (deviceInfo.IoTPlatform == IoTPlatformTypeEnum.CTWing)
                {
                    await redisPubSubService.PublishReliableAsync(DistributedMessageCenterConst.CTWingAepCommandIssuedEventName, input);
                }
                else
                {
                    return HttpDataResultExtensions.Failed("指令处理失败，当前设备平台类型异常", -105);
                }

                return HttpDataResultExtensions.Success("指令下发成功");
            }
            catch (Exception ex)
            {
                return HttpDataResultExtensions.Failed($"指令处理失败，发送异常：{ex.Message}", -106);
            }
        }


        /// <summary>
        /// 业务系统批量查询设备数据，Msg 字段为BatchQueryDeviceInfoInput实体
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [AllowAnonymous]
        public async Task<HttpDataResult<List<IoTDBDynamicObject>>> BatchQueryDeviceInfoAsync(OpenApiRequest input)
        {
            try
            {
                var handleResult = HandleOpenApiRequest<BatchQueryDeviceInfoInput>(input);
                if (handleResult.Success == false)
                {
                    return HttpDataResultExtensions.Failed<List<IoTDBDynamicObject>>(null, handleResult.Message, handleResult.LocationCode);
                }
                var messageBody = handleResult.Data;

                if (messageBody.DeviceAddresses == null || messageBody.DeviceAddresses.Count <= 0)
                {
                    return HttpDataResultExtensions.Failed<List<IoTDBDynamicObject>>(null, "设备地址不能为空", -103);
                }

                // Lua脚本
                string luaScript = @"
                local hashKey = KEYS[1]
                local fieldKeys = ARGV
                return redis.call('HMGET', hashKey, unpack(fieldKeys))";

                //执行脚本
                var result = await FreeRedisProvider.Instance.EvalAsync
                (
                    luaScript,
                    new[] { RedisConst.CacheAllDeviceInfoHashKey },
                    messageBody.DeviceAddresses.ToArray()
                );

                List<DeviceCacheInfos> deviceCacheInfos = new List<DeviceCacheInfos>();

                // 处理返回结果
                if (result is object[] values)
                {
                    foreach (var value in values)
                    {
                        var tempFocusInfo = ServiceProJsonSerializer.Deserialize<DeviceCacheInfos>(value as string);
                        deviceCacheInfos.Add(tempFocusInfo);
                    }
                }

                List<IoTDBDynamicObject> queryResult = new List<IoTDBDynamicObject>();
                foreach (var deviceAddress in messageBody.DeviceAddresses)
                {
                    var deviceCacheInfo = deviceCacheInfos.FirstOrDefault(x => x.DeviceAddress == deviceAddress);

                    if (deviceCacheInfo == null)
                    {
                        _logger.LogError($"{nameof(BatchQueryDeviceInfoAsync)} 业务系统批量查询设备数据，设备地址：{deviceAddress}未找到设备地址缓存信息，消息体为：{input.Serialize()}");
                        continue;
                    }

                    var pageResult = await treeModelService.DeviceDataInfoPageAsync(new DeviceTreeModelDataInfoInput()
                    {
                        DeviceAddress = deviceAddress,
                        DeviceType = messageBody.DeviceType,
                        IoTDataType = messageBody.IoTDataType,
                        IsNeedPaging = false,
                    });

                    //todo 根据业务系统时间间隔要求进行过滤
                    if (pageResult.Items != null && pageResult.Items.Count > 0)
                    {
                        queryResult.AddRange(pageResult.Items);
                    }
                }

                return HttpDataResultExtensions.Success(queryResult,"查询成功");


            }
            catch (Exception ex)
            {

                return HttpDataResultExtensions.Failed<List<IoTDBDynamicObject>>(null, $"查询设备数据失败，发送异常：{ex.Message}", -106);

            }
        }


        /// <summary>
        /// 处理开放接口请求
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="input"></param>
        /// <returns></returns>
        private HttpDataResult<T> HandleOpenApiRequest<T>(OpenApiRequest input) where T : class
        {
            if (string.IsNullOrWhiteSpace(input.Message) || string.IsNullOrWhiteSpace(input.Message) || string.IsNullOrWhiteSpace(input.Signature))
            {
                return HttpDataResultExtensions.Failed<T>(null, "请求参数不能为空", -1101);
            }

            if (input.Timestamp <= 946656000000)//时间戳小于2000年，视为错误
            {
                return HttpDataResultExtensions.Failed<T>(null, "时间戳异常", -1102);
            }

            bool verifySignatureReult = EncryptUtil.OpenApiVerifySignature(input.Message, input.Nonce, input.Timestamp, input.Signature, srverOptions.SignatureToken);
            if (verifySignatureReult == false)//签名校验失败
            {
                return HttpDataResultExtensions.Failed<T>(null, "签名校验失败", -1103);
            }


            //判断是否需要解密
            T messageBody = default;
            string tempMessageBody = null;
            if (srverOptions.IsAesEncrypted && !string.IsNullOrWhiteSpace(srverOptions.AesSecurityKey))
            {
                tempMessageBody = EncryptUtil.OpenApiDecrypto(input.Message, srverOptions.AesSecurityKey);
                messageBody = tempMessageBody.Deserialize<T>();
            }
            else
            {
                tempMessageBody = input.Message;
                messageBody = input.Message.Deserialize<T>();
            }

            if (messageBody == null)
            {
                return HttpDataResultExtensions.Failed<T>(null, "获取数据体失败", -1104);
            }

            return HttpDataResultExtensions.Success(messageBody, tempMessageBody);
        }
    }
}