yanjinhui
9 天以前 e5c661c9d5dd92eecd810e6ce11ff67ec38b08f0
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using HslCommunication.Core.IMessage;
using HslCommunication.WebSocket;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Org.BouncyCastle.Asn1.Ocsp;
using SqlSugar.Extensions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using WIDESEA_Core.Caches;
using WIDESEA_Core.Helper;
using WIDESEA_Core.Seed;
 
namespace WIDESEA_Core
{
    public class WebSocketHostedService : IHostedService
    {
        private readonly DBContext _dbContext;
        private readonly ICacheService _cacheService;
        private readonly WebSocketServer _webSocketServer;
 
        public WebSocketHostedService(DBContext dbContext, ICacheService cacheService, WebSocketServer webSocketServer)
        {
            _webSocketServer = webSocketServer;
            _dbContext = dbContext;
            _cacheService = cacheService;
            _webSocketServer.OnClientConnected += webSocketServer_OnClientConnected;
        }
 
        private void webSocketServer_OnClientConnected(WebSocketSession session)
        {
            string MessageInfo = _cacheService.Get("MessageInfo");
            if (!string.IsNullOrEmpty(MessageInfo))
            {
                List<Message>? messages = JsonConvert.DeserializeObject<List<Message>>(MessageInfo);
                if (messages != null && messages.Count > 0)
                {
                    foreach (var item in messages)
                    {
                        object obj = new
                        {
                            title = item.MessageGroupBy,
                            name = item.MessageName,
                            message = item.MessageInfo,
                            date = DateTime.Now.ToString(),
                        };
                        //_webSocketServer.PublishAllClientPayload(obj.Serialize());
                        _webSocketServer.SendClientPayload(session, obj.Serialize());
                    }
                }
            }
        }
 
        public async Task StartAsync(CancellationToken cancellationToken)
        {
            WebSocketSession? webSocketSession = _webSocketServer.OnlineSessions.FirstOrDefault(x => x.Url.Contains(App.User.UserName));
            string MessageInfo = _cacheService.Get("MessageInfo");
            if (!string.IsNullOrEmpty(MessageInfo))
            {
                List<Message>? messages = JsonConvert.DeserializeObject<List<Message>>(MessageInfo);
                if (messages != null && messages.Count > 0)
                {
                    foreach (var item in messages)
                    {
                        object obj = new
                        {
                            title = item.MessageGroupBy,
                            name = item.MessageName,
                            message = item.MessageInfo,
                            date = item.Date,
                        };
                        //_webSocketServer.PublishAllClientPayload(obj.Serialize());
                        if (webSocketSession != null)
                            _webSocketServer.SendClientPayload(webSocketSession, obj.Serialize());
                    }
                }
            }
            await Task.CompletedTask;
        }
 
        public async Task StopAsync(CancellationToken cancellationToken)
        {
            await Task.CompletedTask;
        }
 
        public class Message
        {
            public int Id { get; set; }
            public string MessageGroupBy { get; set; }
            public string MessageName { get; set; }
            public string MessageInfo { get; set; }
            public DateTime Date { get; set; }
        }
    }
}