lux/EgwCoreLib.Lux.Data/Services/RedisSubscriberServiceOld.cs

using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using StackExchange.Redis;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace EgwCoreLib.Lux.Data.Services
{
    public class RedisSubscriberServiceOld : BackgroundService
    {
        private readonly IRedisService _redis;
        private readonly ILogger<RedisSubscriberServiceOld> _logger;

        public RedisSubscriberServiceOld(IRedisService redis, ILogger<RedisSubscriberServiceOld> logger)
        {
            _redis = redis;
            _logger = logger;
        }

        protected override Task ExecuteAsync(CancellationToken stoppingToken)
        {
            _redis.Subscribe("user:notifications", HandleUserNotification);
            _redis.Subscribe("system:alerts", HandleSystemAlert);
            _redis.Subscribe("data:sync", HandleDataSync);

            _redis.Subscribe("yourChannel", (channel, message) =>
            {
                _logger.LogInformation($"Message received: {message}");
                // Call your message handler here
            });

            // versione async task...
#if false
            _redis.Subscribe("channel", async (ch, msg) =>
            {
                await DoSomethingAsync(msg);
            });
#endif


            // Per mantenere servizio attivo/alive: non è necessario lasciare il loop
            return Task.CompletedTask; 
        }

        private void HandleUserNotification(RedisChannel channel, RedisValue message)
        {
            _logger.LogInformation($"🔔 Notification received: {message}");
            // Route to user service or in-memory cache etc.
        }

        private void HandleSystemAlert(RedisChannel channel, RedisValue message)
        {
            _logger.LogWarning($"⚠️ System alert received: {message}");
            // Trigger alert logging or email notifications
        }

        private void HandleDataSync(RedisChannel channel, RedisValue message)
        {
            _logger.LogInformation($"🔄 Sync event received: {message}");
            // Refresh cache, rehydrate objects, etc.
        }
    }
}