mapo-core/MP.Data/Services/LandDataService.cs

using Microsoft.Extensions.Configuration;
using MP.AppAuth.Controllers;
using MP.Data.Controllers;
using MP.Data.DbModels;
using Newtonsoft.Json;
using NLog;
using StackExchange.Redis;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MP.Data.Services
{
    public class LandDataService : BaseServ
    {
        #region Public Constructors

        public LandDataService(IConfiguration configuration)
        {
            _configuration = configuration;

            // setup compoenti REDIS
            redisConn = ConnectionMultiplexer.Connect(_configuration.GetConnectionString("Redis"));
            redisDb = redisConn.GetDatabase();

            // conf DB
            string connStr = _configuration.GetConnectionString("MP.Land");
            if (string.IsNullOrEmpty(connStr))
            {
                Log.Error("ConnString empty!");
            }
            else
            {
                dbController = new Controllers.MpLandController(configuration);
                StringBuilder sb = new StringBuilder();
                sb.AppendLine($"LandService | MpLandController OK");
                Log.Info(sb.ToString());
            }
        }

        #endregion Public Constructors

        #region Public Properties

        public static Controllers.MpLandController dbController { get; set; } = null!;

        #endregion Public Properties

        #region Public Methods

        /// <summary>
        /// Recupera tutti i record di RemoteRebootLog
        /// </summary>
        /// <returns></returns>
        public List<RemoteRebootLogModel> RemRebootLogGetAll()
        {
            // setup parametri costanti
            string source = "DB";
            Stopwatch sw = new Stopwatch();
            sw.Start();
            List<RemoteRebootLogModel> result = new List<RemoteRebootLogModel>();
            // cerco in redis...
            string currKey = $"{redisBaseKey}:RemRebLog:ALL";
            RedisValue rawData = redisDb.StringGet(currKey);
            //if (!string.IsNullOrEmpty($"{rawData}"))
            if (rawData.HasValue)
            {
                result = JsonConvert.DeserializeObject<List<RemoteRebootLogModel>>($"{rawData}");
                source = "REDIS";
            }
            else
            {
                result = dbController.RemRebootLogGetAll();
                // serializzo e salvo...
                rawData = JsonConvert.SerializeObject(result);
                redisDb.StringSet(currKey, rawData, UltraFastCache);
            }
            if (result == null)
            {
                result = new List<RemoteRebootLogModel>();
            }
            sw.Stop();
            Log.Debug($"RemRebootLogGetAll | {source} | {sw.Elapsed.TotalMilliseconds}ms");
            return result;
        }

        /// <summary>
        /// Recupera ultimo record x ogni IdxMacchina x avere ultimo attivo
        /// </summary>
        /// <returns></returns>
        public List<RemoteRebootLogModel> RemRebootLogGetLast()
        {
            // setup parametri costanti
            string source = "DB";
            Stopwatch sw = new Stopwatch();
            sw.Start();
            List<RemoteRebootLogModel> result = new List<RemoteRebootLogModel>();
            // cerco in redis...
            string currKey = $"{redisBaseKey}:RemRebLog:LAST";
            RedisValue rawData = redisDb.StringGet(currKey);
            //if (!string.IsNullOrEmpty($"{rawData}"))
            if (rawData.HasValue)
            {
                result = JsonConvert.DeserializeObject<List<RemoteRebootLogModel>>($"{rawData}");
                source = "REDIS";
            }
            else
            {
                result = dbController.RemRebootLogGetLast();
                // serializzo e salvo...
                rawData = JsonConvert.SerializeObject(result);
                redisDb.StringSet(currKey, rawData, UltraFastCache);
            }
            if (result == null)
            {
                result = new List<RemoteRebootLogModel>();
            }
            sw.Stop();
            Log.Debug($"RemRebootLogGetLast | {source} | {sw.Elapsed.TotalMilliseconds}ms");
            return result;
        }

        #endregion Public Methods

        #region Protected Fields

        /// <summary>
        /// Oggetto per connessione a REDIS
        /// </summary>
        protected ConnectionMultiplexer redisConn = null!;

        //ISubscriber sub = redis.GetSubscriber();
        /// <summary>
        /// Oggetto DB redis da impiegare x chiamate R/W
        /// </summary>
        protected IDatabase redisDb = null!;

        #endregion Protected Fields

        #region Private Fields

        private static NLog.Logger Log = LogManager.GetCurrentClassLogger();
        private string redisBaseKey = "MP:LAND:Cache";

        #endregion Private Fields
    }
}