JiShe.CollectBus/src/JiShe.CollectBus.Application/Subscribers/SubscriberAppService.cs

using System;
using System.Threading.Tasks;
using DotNetCore.CAP;
using JiShe.CollectBus.Common.Enums;
using JiShe.CollectBus.Common.Models;
using JiShe.CollectBus.IotSystems.Devices;
using JiShe.CollectBus.IotSystems.MessageReceiveds;
using JiShe.CollectBus.IotSystems.MeterReadingRecords;
using JiShe.CollectBus.Protocol.Contracts;
using JiShe.CollectBus.Protocol.Contracts.Interfaces;
using JiShe.CollectBus.Protocol.Contracts.Models;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using TouchSocket.Sockets;
using Volo.Abp.Domain.Repositories;

namespace JiShe.CollectBus.Subscribers
{
    public class SubscriberAppService : CollectBusAppService, ISubscriberAppService,ICapSubscribe
    {
        private readonly ILogger<SubscriberAppService> _logger;
        private readonly ITcpService _tcpService;
        private readonly IServiceProvider _serviceProvider;
        private readonly IRepository<MessageReceivedLogin, Guid> _messageReceivedLoginEventRepository;
        private readonly IRepository<MessageReceivedHeartbeat, Guid> _messageReceivedHeartbeatEventRepository;
        private readonly IRepository<MessageReceived, Guid> _messageReceivedEventRepository; 
        private readonly IRepository<Device, Guid> _deviceRepository;
        private readonly IRepository<MeterReadingRecords, Guid> _meterReadingRecordsRepository;

        /// <summary>
        /// Initializes a new instance of the <see cref="SubscriberAppService"/> class.
        /// </summary>
        /// <param name="logger">The logger.</param>
        /// <param name="tcpService">The TCP service.</param>
        /// <param name="serviceProvider">The service provider.</param>
        /// <param name="messageReceivedLoginEventRepository">The message received login event repository.</param>
        /// <param name="messageReceivedHeartbeatEventRepository">The message received heartbeat event repository.</param>
        /// <param name="messageReceivedEventRepository">The message received event repository.</param>
        /// <param name="deviceRepository">The device repository.</param>
        /// <param name="meterReadingRecordsRepository">The device repository.</param>
        public SubscriberAppService(ILogger<SubscriberAppService> logger, 
            ITcpService tcpService, IServiceProvider serviceProvider, 
            IRepository<MessageReceivedLogin, Guid> messageReceivedLoginEventRepository, 
            IRepository<MessageReceivedHeartbeat, Guid> messageReceivedHeartbeatEventRepository, 
            IRepository<MessageReceived, Guid> messageReceivedEventRepository, 
            IRepository<Device, Guid> deviceRepository, IRepository<MeterReadingRecords, Guid> meterReadingRecordsRepository)
        {
            _logger = logger;
            _tcpService = tcpService;
            _serviceProvider = serviceProvider;
            _messageReceivedLoginEventRepository = messageReceivedLoginEventRepository;
            _messageReceivedHeartbeatEventRepository = messageReceivedHeartbeatEventRepository;
            _messageReceivedEventRepository = messageReceivedEventRepository;
            _deviceRepository = deviceRepository;
            _meterReadingRecordsRepository = meterReadingRecordsRepository;
        }

        [CapSubscribe(ProtocolConst.SubscriberIssuedEventName)]
        public async Task IssuedEvent(IssuedEventMessage issuedEventMessage)
        {
            switch (issuedEventMessage.Type)
            {
                case IssuedEventType.Heartbeat:
                    _logger.LogInformation($"IssuedEvent:{issuedEventMessage.MessageId}");
                    var heartbeatEntity = await _messageReceivedHeartbeatEventRepository.GetAsync(a => a.MessageId == issuedEventMessage.MessageId);
                    heartbeatEntity.AckTime = Clock.Now;
                    heartbeatEntity.IsAck = true;
                    await _messageReceivedHeartbeatEventRepository.UpdateAsync(heartbeatEntity);
                    break;
                case IssuedEventType.Login:
                    var loginEntity = await _messageReceivedLoginEventRepository.GetAsync(a => a.MessageId == issuedEventMessage.MessageId);
                    loginEntity.AckTime = Clock.Now;
                    loginEntity.IsAck = true;
                    await _messageReceivedLoginEventRepository.UpdateAsync(loginEntity);
                    break;
                case IssuedEventType.Data:
                    break;
                default:
                    throw new ArgumentOutOfRangeException();
            }
            var device = await _deviceRepository.FindAsync(a => a.Number == issuedEventMessage.DeviceNo);
            if (device!=null)
            {
                await _tcpService.SendAsync(device.ClientId, issuedEventMessage.Message);
            }
        }

        [CapSubscribe(ProtocolConst.SubscriberReceivedEventName)]
        public async Task ReceivedEvent(MessageReceived receivedMessage)
        {
            var protocolPlugin = _serviceProvider.GetKeyedService<IProtocolPlugin>("StandardProtocolPlugin");
            if (protocolPlugin == null)
            {
                _logger.LogError("协议不存在！");
            }
            else
            {
                //todo 会根据不同的协议进行解析，然后做业务处理
                TB3761FN fN =  await protocolPlugin.AnalyzeAsync<TB3761FN>(receivedMessage);
                //await _messageReceivedEventRepository.InsertAsync(receivedMessage);
            }
        }

        [CapSubscribe(ProtocolConst.SubscriberReceivedHeartbeatEventName)]
        public async Task ReceivedHeartbeatEvent(MessageReceivedHeartbeat receivedHeartbeatMessage)
        {
            var protocolPlugin = _serviceProvider.GetKeyedService<IProtocolPlugin>("StandardProtocolPlugin");
            if (protocolPlugin == null)
            {
                _logger.LogError("协议不存在！");
            }
            else
            {
                await protocolPlugin.HeartbeatAsync(receivedHeartbeatMessage);
                await _messageReceivedHeartbeatEventRepository.InsertAsync(receivedHeartbeatMessage);
            }
        }

        [CapSubscribe(ProtocolConst.SubscriberReceivedLoginEventName)]
        public async Task ReceivedLoginEvent(MessageReceivedLogin receivedLoginMessage)
        {
            var protocolPlugin = _serviceProvider.GetKeyedService<IProtocolPlugin>("StandardProtocolPlugin");
            if (protocolPlugin == null)
            {
                _logger.LogError("协议不存在！");
            }
            else
            {
                await protocolPlugin.LoginAsync(receivedLoginMessage);
                await _messageReceivedLoginEventRepository.InsertAsync(receivedLoginMessage);
            }
        }
    }
}