limanapp/LiMan.DB/Services/CommonDataServices.cs

using Core;
using Core.DTO;
using LiMan.DB.DBModels;
using LiMan.DB.DTO;
using Microsoft.AspNetCore.Identity.UI.Services;
using Microsoft.Extensions.Caching.Distributed;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using NLog;
using Org.BouncyCastle.Asn1.Pkcs;
using StackExchange.Redis;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Runtime;
using System.Text;
using System.Threading.Tasks;
using static Core.Enum;

namespace LiMan.DB.Services
{
    /// <summary>
    /// Classe common x gestione servizi sui dati (DB + REDIS) x UI ed API
    /// </summary>
    public class CommonDataServices : IDisposable
    {
        #region Public Constructors

        /// <summary>
        /// Costruttore principale
        /// </summary>
        /// <param name="configuration"></param>
        /// <param name="memoryCache"></param>
        /// <param name="distributedCache"></param>
        /// <param name="redisConnMult"></param>
        /// <param name="emailSender"></param>
        public CommonDataServices(IConfiguration configuration, IConnectionMultiplexer redisConnMult, IEmailSender emailSender)
        {
            _configuration = configuration;
            // Conf cache
            redisConn = redisConnMult;
            redisDb = this.redisConn.GetDatabase();

            // json serializer... FIX errore loop circolare https://www.ryadel.com/en/jsonserializationexception-self-referencing-loop-detected-error-fix-entity-framework-asp-net-core/
            JSSettings = new JsonSerializerSettings()
            {
                ReferenceLoopHandling = ReferenceLoopHandling.Ignore
            };

            // conf messagepipe: setup canali pub/sub
            EnrollMessPipe = new MessagePipe(redisConn, Const.ENRL_MSG_PIPE);
            UpdActMessPipe = new MessagePipe(redisConn, Const.TASK_MSG_PIPE);
            TaskMessPipe = new MessagePipe(redisConn, Const.UPDT_MSG_PIPE);

            _emailSender = emailSender;
            // conf DB
            string connStrDB = _configuration.GetConnectionString("LiMan.DB");
            if (string.IsNullOrEmpty(connStrDB))
            {
                Log.Error("Empty ConnString for LiMan.DB!");
            }
            else
            {
                dbController = new LiMan.DB.Controllers.DbController(configuration);
                Log.Info("DbController for LiMan.DB OK");
            }
        }

        #endregion Public Constructors

        #region Public Properties

        /// <summary>
        /// Wrapper x invio/ricezione messaggi sul canale dedicato agli eventi enroll
        /// </summary>
        public MessagePipe EnrollMessPipe { get; set; } = null!;

        /// <summary>
        /// Wrapper x invio/ricezione messaggi sul canale dedicato a generico update info dai vari EgwACC
        /// </summary>
        public MessagePipe UpdActMessPipe { get; set; } = null!;

        /// <summary>
        /// Wrapper x invio/ricezione messaggi sul canale dedicato agli eventi Task
        /// </summary>
        public MessagePipe TaskMessPipe { get; set; } = null!;

        #endregion Public Properties

        #region Public Methods

        /// <summary>
        /// Elenco licenze dato cliente
        /// </summary>
        /// <param name="CodInst">Codice Installaizone /Cliente</param>
        /// <param name="CodApp">Codice Applicazione</param>
        /// <param name="HideData">Indica se nascondere i dati sensibili</param>
        /// <returns></returns>
        public async Task<List<ApplicativoDTO>> AppDtoSearch(string CodInst, string CodApp, bool HideData)
        {
            List<ApplicativoDTO> dbResult = new List<ApplicativoDTO>();
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            dbResult = dbController.GetApplicativiFilt(true, CodApp, CodInst, HideData);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per ApplicativiByCliente: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        public async Task<bool> ApplicHasChild(string CodApp)
        {
            string source = "DB";
            bool dbResult = false;
            try
            {
                string currKey = $"{Const.rKeyConfig}:Next:Applicazioni:HasChild";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string rawData = redisHashKeyGet(currKey, CodApp);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    dbResult = JsonConvert.DeserializeObject<bool>(rawData);
                }
                else
                {
                    dbResult = dbController.ApplicazioniHasChild(CodApp);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    redisHashKeySet(currKey, CodApp, rawData, UltraLongCache.Minutes);
                }
                sw.Stop();
                Log.Debug($"ApplicHasChild | {source} in: {sw.Elapsed.TotalMilliseconds:N2} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during ApplicHasChild:{Environment.NewLine}{exc}");
            }
            await Task.Delay(0);
            return dbResult;
        }

        /// <summary>
        /// Elimina il record indicato (se non ci sono record correlati...)
        /// </summary>
        /// <param name="currItem"></param>
        /// <returns></returns>
        public async Task<bool> ApplicNextDelete(ApplicativoModel currItem)
        {
            bool done = false;
            try
            {
                // controllo NON ci siano record figli...
                bool hasCHild = dbController.ApplicazioniHasChild(currItem.CodApp);
                if (!hasCHild)
                {
                    done = dbController.ApplicazioniNextDelete(currItem);
                    await FlushRedisCache();
                }
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in ApplicNextDelete:{Environment.NewLine}{exc}");
            }
            return done;
        }

        public async Task<List<ApplicativoModel>> ApplicNextGetAll(bool forceDb)
        {
            string source = "DB";
            List<ApplicativoModel> dbResult = new List<ApplicativoModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Next:Applicazioni:List";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData) && !forceDb)
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<ApplicativoModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<ApplicativoModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.GetApplicazioni();
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new List<ApplicativoModel>();
                }
                sw.Stop();
                Log.Debug($"ApplicNextGetAll | {source} in: {sw.Elapsed.TotalMilliseconds:N2} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during ApplicNextGetAll:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        public async Task<bool> ApplicNextUpdate(ApplicativoModel currItem)
        {
            bool done = false;
            try
            {
                done = dbController.ApplicazioniNextUpdate(currItem);
                await FlushRedisCache();
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in ApplicNextUpdate:{Environment.NewLine}{exc}");
            }
            return done;
        }

        /// <summary>
        /// Elimina record attivazione
        /// </summary>
        /// <param name="idxSubLic"></param>
        /// <returns></returns>
        public async Task<bool> AttivazioneDelete(int idxSubLic)
        {
            bool fatto = dbController.AttivazioniDelete(idxSubLic);
            await Task.Delay(1);
            return fatto;
        }

        /// <summary>
        /// Elenco licenze dato cliente
        /// </summary>
        /// <param name="Chiave">Licenza MASTER</param>
        /// <param name="CodImpiego">Codice Impiego licenza</param>
        /// <param name="HideData">Indica se nascondere i dati sensibili</param>
        /// <returns></returns>
        public async Task<AttivazioneDTO> AttivazioneSearch(string Chiave, string CodImpiego, bool HideData)
        {
            AttivazioneDTO dbResult = new AttivazioneDTO();

            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();

            dbResult = dbController.GetAttivazione(Chiave, CodImpiego, HideData);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per AttivazioniSearch: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Effettua sblocco di una licenza impostando data veto a oggi
        /// </summary>
        /// <param name="idxSubLic"></param>
        /// <returns></returns>
        public async Task<bool> AttivazioneUnlock(int idxSubLic)
        {
            bool fatto = dbController.AttivazioniUnlock(idxSubLic);
            await Task.Delay(1);
            return fatto;
        }

        /// <summary>
        /// Elenco Attivaizoni da ID Licenza master
        /// </summary>
        /// <param name="idxLic">Idx Licenza Master</param>
        /// <param name="hideData">Indica se nascondere i dati sensibili</param>
        /// <returns></returns>
        public async Task<List<AttivazioneDTO>> AttivazioniByLic(int idxLic, bool hideData)
        {
            List<AttivazioneDTO> dbResult = new List<AttivazioneDTO>();
            string cacheKey = $"{rKeyAttivByLic}:{hideData}:{idxLic}";
            trackCache(cacheKey);
            string rawData = await getRSV(cacheKey);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<List<AttivazioneDTO>>(rawData);
            }
            else
            {
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                dbResult = dbController.GetAttivazioniByLic(idxLic, hideData);
                rawData = JsonConvert.SerializeObject(dbResult);
                await setRSV(cacheKey, rawData, redCacheTtlStd);
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Trace($"Effettuata lettura da DB per AttivazioniByLic: {ts.TotalMilliseconds} ms");
            }

            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Elenco Attivaizoni da valore Licenza master
        /// </summary>
        /// <param name="MasterKey">Licenza Master</param>
        /// <param name="HideData">Indica se nascondere i dati sensibili</param>
        /// <returns></returns>
        public async Task<List<AttivazioneDTO>> AttivazioniByMasterKey(string MasterKey, bool HideData)
        {
            List<AttivazioneDTO> dbResult = new List<AttivazioneDTO>();

            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            LicenzaModel licenza = await LicenzaByMasterKey(MasterKey);
            if (licenza != null)
            {
                dbResult = await AttivazioniByLic(licenza.IdxLic, HideData);
            }
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per AttivazioniByMasterKey: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Elimina un Attivaizone
        /// </summary>
        /// <param name="MasterKey">Licenza Master</param>
        /// <param name="ParamDict">Elenco delle attivazioni da eliminare</param>
        /// <returns></returns>
        public async Task<bool> AttivazioniDelete(string MasterKey, Dictionary<string, string> ParamDict)
        {
            bool answ = false;

            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            LicenzaModel licenza = await LicenzaByMasterKey(MasterKey);
            if (licenza != null)
            {
                answ = dbController.AttivazioniDelete(ParamDict, MasterKey);
                await FlushRedisCache();
            }
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per AttivazioniDelete: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(answ);
        }

        /// <summary>
        /// Lista attivazioni dati cod identificativi CodImp e AppKey
        /// </summary>
        /// <param name="AppKey"></param>
        /// <param name="CodImp"></param>
        /// <returns></returns>
        public async Task<List<SubLicenzaModel>> AttivazioniGetAppImp(string AppKey, string CodImp)
        {
            Stopwatch stopWatch = new Stopwatch();
            List<SubLicenzaModel> dbResult = new List<SubLicenzaModel>();
            stopWatch.Start();
            dbResult = dbController.AttivazioniGetAppImp(AppKey, CodImp);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per AttivazioniGetAppImp: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Recupera attivazioni data licenza
        /// </summary>
        /// <param name="CurrFilter"></param>
        /// <returns></returns>
        public async Task<List<SubLicenzaModel>> AttivazioniGetByLic(int IdxLic)
        {
            Stopwatch sw = new Stopwatch();
            List<SubLicenzaModel> dbResult = new List<SubLicenzaModel>();
            sw.Start();
            dbResult = dbController.AttivazioniGetByLic(IdxLic);
            sw.Stop();
            Log.Trace($"Effettuata lettura da DB per AttivazioniGetByLic: {sw.Elapsed.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Elimina attivaizoni con veto scaduto
        /// </summary>
        /// <param name="MasterKey">Licenza Master</param>
        /// <returns></returns>
        public async Task<bool> AttivazioniResetAvail(string MasterKey)
        {
            bool answ = false;

            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            LicenzaModel licenza = await LicenzaByMasterKey(MasterKey);

            if (licenza != null)
            {
                answ = dbController.AttivazioniResetAvail(MasterKey);
                await FlushRedisCache();
            }
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per AttivazioniResetAvail: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(answ);
        }

        /// <summary>
        /// Effettua registrazione (se possibile) delle licenze indicate dall'elenco codici di
        /// impiego indicati
        /// </summary>
        /// <param name="MasterKey">Codice Licenza Master</param>
        /// <param name="ParamDict">Elenco codici impiego (key) + valori in formato dizionari</param>
        /// <param name="DayVeto">Numero giorni x scadenza veto modifica</param>
        /// <param name="TipoLic">Tipo di licenza da registrare</param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public async Task<bool> AttivazioniTryAdd(string MasterKey, Dictionary<string, string> ParamDict, int DayVeto, TipoLicenza TipoLic)
        {
            bool taskDone = false;

            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();

            taskDone = dbController.AttivazioniTryAdd(MasterKey, ParamDict, DayVeto, TipoLic);
            await FlushRedisCache();
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata scrittura + rilettura da DB per AttivazioniTryAdd: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(taskDone);
        }

        /// <summary>
        /// Effettua update (se possibile) delle licenze indicate dall'elenco codici di impiego indicati
        /// </summary>
        /// <param name="MasterKey">Codice Licenza Master</param>
        /// <param name="ParamDict">Elenco codici impiego (key) + valori in formato dizionari</param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public async Task<bool> AttivazioniTryRefresh(string MasterKey, Dictionary<string, string> ParamDict)
        {
            bool taskDone = false;

            Stopwatch sw = new Stopwatch();
            sw.Start();

            taskDone = dbController.AttivazioniTryRefresh(MasterKey, ParamDict);
            await FlushRedisCache();
            sw.Stop();
            TimeSpan ts = sw.Elapsed;
            Log.Trace($"Effettuata scrittura + rilettura da DB per AttivazioniTryRefresh: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(taskDone);
        }

        /// <summary>
        /// Recupera elenco Claim dato UserID
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public async Task<List<AuthClaimModel>> AuthClaimByUserID(int userID)
        {
            string source = "DB";
            List<AuthClaimModel>? dbResult = new List<AuthClaimModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Auth:Claims:UID:{userID}";
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<AuthClaimModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<AuthClaimModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.AuthClaimByUserID(userID);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, LongCache);
                    // per evitare loopback uso deserialize...
                    var tempResult = JsonConvert.DeserializeObject<List<AuthClaimModel>>(rawData);
                    if (tempResult != null)
                    {
                        dbResult = tempResult;
                    }
                }
                if (dbResult == null)
                {
                    dbResult = new List<AuthClaimModel>();
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Debug($"AuthClaimByUserID | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during AuthClaimByUserID:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        /// <summary>
        /// Recupera elenco Claim dato UserName
        /// </summary>
        /// <param name="userName"></param>
        /// <returns></returns>
        public async Task<List<AuthClaimModel>> AuthClaimByUserName(string userName)
        {
            string source = "DB";
            List<AuthClaimModel>? dbResult = new List<AuthClaimModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Auth:Claims:UName:{userName}";
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<AuthClaimModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<AuthClaimModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.AuthClaimByUserName(userName);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                    // per evitare loopback uso deserialize...
                    var tempResult = JsonConvert.DeserializeObject<List<AuthClaimModel>>(rawData);
                    if (tempResult != null)
                    {
                        dbResult = tempResult;
                    }
                }
                if (dbResult == null)
                {
                    dbResult = new List<AuthClaimModel>();
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Debug($"AuthClaimByUserName | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during AuthClaimByUserName:{Environment.NewLine}{exc}");
            }
            //return await Task.FromResult(dbResult);
            return dbResult;
        }

        /// <summary>
        /// Rimozione del Claim (Role Utente)
        /// </summary>
        /// <param name="newRec"></param>
        /// <returns></returns>
        public async Task<bool> AuthClaimRemove(AuthClaimModel newRec)
        {
            bool fatto = dbController.AuthClaimRemove(newRec);
            await FlushRedisCache();
            return fatto;
        }

        /// <summary>
        /// Upsesrt del Claim di auth utente
        /// </summary>
        /// <param name="newRec"></param>
        /// <returns></returns>
        public async Task<bool> AuthClaimUpsert(AuthClaimModel newRec)
        {
            bool fatto = dbController.AuthClaimUpsert(newRec);
            await FlushRedisCache();
            return fatto;
        }

        /// <summary>
        /// Rimozione dei roles x utente
        /// </summary>
        /// <param name="newRec"></param>
        /// <returns></returns>
        public async Task<bool> AuthRoleResetUser(int UserId)
        {
            bool fatto = dbController.AuthRoleResetUser(UserId);
            await FlushRedisCache();
            return fatto;
        }

        /// <summary>
        /// Recupera elenco Roles (completo)
        /// </summary>
        /// <returns></returns>
        public async Task<List<AuthRoleModel>> AuthRolesGetAll()
        {
            string source = "DB";
            List<AuthRoleModel>? dbResult = new List<AuthRoleModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Auth:Roles";
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<AuthRoleModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<AuthRoleModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.AuthRolesGetAll();
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                    // per evitare loopback uso deserialize...
                    var tempResult = JsonConvert.DeserializeObject<List<AuthRoleModel>>(rawData);
                    if (tempResult != null)
                    {
                        dbResult = tempResult;
                    }
                }
                if (dbResult == null)
                {
                    dbResult = new List<AuthRoleModel>();
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Debug($"AuthRolesGetAll | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during AuthRolesGetAll:{Environment.NewLine}{exc}");
            }
            //return await Task.FromResult(dbResult);
            return dbResult;
        }

        /// <summary>
        /// Upsert del ROLE
        /// </summary>
        /// <param name="newRec"></param>
        /// <returns></returns>
        public async Task<bool> AuthRoleUpsert(AuthRoleModel newRec)
        {
            bool fatto = dbController.AuthRoleUpsert(newRec);
            await FlushRedisCache();
            return fatto;
        }

        /// <summary>
        /// Recupera elenco Utenti (tutti)
        /// </summary>
        /// <returns></returns>
        public async Task<List<AuthUserModel>> AuthUserAll()
        {
            string source = "DB";
            List<AuthUserModel>? dbResult = new List<AuthUserModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Auth:UsersList";
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<AuthUserModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<AuthUserModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.AuthUserAll();
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                    // per evitare loopback uso deserialize...
                    var tempResult = JsonConvert.DeserializeObject<List<AuthUserModel>>(rawData);
                    if (tempResult != null)
                    {
                        dbResult = tempResult;
                    }
                }
                if (dbResult == null)
                {
                    dbResult = new List<AuthUserModel>();
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Debug($"AuthUserAll | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during AuthUserAll:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        /// <summary>
        /// Recupera elenco Utenti UserName (idealmente 1...)
        /// </summary>
        /// <param name="userName"></param>
        /// <returns></returns>
        public async Task<List<AuthUserModel>> AuthUserGetFilt(string userName)
        {
            string source = "DB";
            List<AuthUserModel>? dbResult = new List<AuthUserModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Auth:User:{userName}";
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<AuthUserModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<AuthUserModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.AuthUserGetFilt(userName);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                    // per evitare loopback uso deserialize...
                    var tempResult = JsonConvert.DeserializeObject<List<AuthUserModel>>(rawData);
                    if (tempResult != null)
                    {
                        dbResult = tempResult;
                    }
                }
                if (dbResult == null)
                {
                    dbResult = new List<AuthUserModel>();
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Debug($"AuthUserGetFilt | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during AuthUserGetFilt:{Environment.NewLine}{exc}");
            }
            //return await Task.FromResult(dbResult);
            return dbResult;
        }

        /// <summary>
        /// Upsert AuthUser
        /// </summary>
        /// <param name="newRec"></param>
        /// <returns></returns>
        public async Task<bool> AuthUserUpsert(AuthUserModel newRec)
        {
            bool fatto = dbController.AuthUserUpsert(newRec);
            await FlushRedisCache();
            return fatto;
        }

        public virtual void Dispose()
        {
            // Clear database controller
            dbController.Dispose();
        }

        /// <summary>
        /// Elimino una richiesta enroll (anche se già approvata...)
        /// </summary>
        /// <param name="idReq">ID record</param>
        public async Task<bool> EnrollReqDelete(int idReq)
        {
            bool fatto = false;
            // inserimento!
            Stopwatch sw = new Stopwatch();
            sw.Start();
            fatto = dbController.EnrollReqDelete(idReq);
            // svuota eventuale cache redis...
            await FlushRedisCachePattern("Enroll");
            await FlushRedisCachePattern("InstVerSta");
            sw.Stop();
            TimeSpan ts = sw.Elapsed;
            Log.Trace($"Effettuata EnrollReqDelete: {ts.TotalMilliseconds} ms");
            // invio string in messagepipe x forzare refresh...
            EnrollMessPipe.sendMessage("NewEnrollReq");
            return fatto;
        }

        /// <summary>
        /// Elenco richeiste enroll attive al momento
        /// </summary>
        /// <returns></returns>
        public async Task<List<EnrollRequestModel>> EnrollReqGetActive()
        {
            string source = "DB";
            List<EnrollRequestModel> dbResult = new List<EnrollRequestModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Enroll:ActiveList";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<EnrollRequestModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<EnrollRequestModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.EnrollReqGetActive();
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, LongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new List<EnrollRequestModel>();
                }
                sw.Stop();
                TimeSpan ts = sw.Elapsed;
                Log.Debug($"EnrollReqGetActive | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during EnrollReqGetActive:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        /// <summary>
        /// Recupera una richiesta dato suo ID x verificare approvazione e dati associati...
        /// </summary>
        /// <param name="idReq">ID record</param>
        public async Task<EnrollRequestModel> EnrollReqGetById(int idReq)
        {
            string source = "DB";
            EnrollRequestModel dbResult = new EnrollRequestModel() { IdReq = idReq };
            try
            {
                string currKey = $"{Const.rKeyConfig}:Enroll:ById:{idReq}";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<EnrollRequestModel>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new EnrollRequestModel() { IdReq = idReq };
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.EnrollReqGetById(idReq);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, FastCache);
                }
                if (dbResult == null)
                {
                    dbResult = new EnrollRequestModel() { IdReq = idReq };
                }
                sw.Stop();
                TimeSpan ts = sw.Elapsed;
                Log.Debug($"EnrollReqGetById | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during EnrollReqGetById:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        /// <summary>
        /// Elenco richeiste enroll attive al momento
        /// </summary>
        /// <returns></returns>
        public async Task<List<EnrollRequestModel>> EnrollReqGetFilt(bool onlyActive, DateTime dtFrom, DateTime dtTo)
        {
            string source = "DB";
            List<EnrollRequestModel> dbResult = new List<EnrollRequestModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Enroll:ActiveList";
                if (!onlyActive)
                {
                    currKey = $"{Const.rKeyConfig}:Enroll:Sel:{dtFrom:yyMMdd}_{dtTo:yyMMdd}";
                }
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<EnrollRequestModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<EnrollRequestModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    if (onlyActive)
                    {
                        dbResult = dbController.EnrollReqGetActive();
                    }
                    else
                    {
                        dbResult = dbController.EnrollReqGetFilt(dtFrom, dtTo);
                    }
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new List<EnrollRequestModel>();
                }
                sw.Stop();
                TimeSpan ts = sw.Elapsed;
                Log.Debug($"EnrollReqGetActive | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during EnrollReqGetActive:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        /// <summary>
        /// Elimino eventuali richieste non approvate e scadute
        /// </summary>
        public async Task<bool> EnrollReqPurgeInvalid()
        {
            var reqPurged = dbController.EnrollReqPurgeInvalid();
            // svuota eventuale cache redis...
            await FlushRedisCachePattern("Enroll");
            await FlushRedisCachePattern("InstVerSta");
            // invio string in messagepipe x forzare refresh...
            EnrollMessPipe.sendMessage("NewEnrollReq");
            return reqPurged;
        }

        /// <summary>
        /// Upsert record richiesta enroll
        /// </summary>
        /// <param name="newRec"></param>
        /// <returns></returns>
        public async Task<EnrollRequestModel> EnrollReqUpsert(EnrollRequestModel newRec)
        {
            int recId = 0;
            // inserimento!
            Stopwatch sw = new Stopwatch();
            sw.Start();
            recId = dbController.EnrollReqUpsert(newRec);
            await FlushRedisCachePattern("Enroll");
            await FlushRedisCachePattern("InstVerSta");
            var dbResult = await EnrollReqGetById(recId);
            // svuota eventuale cache redis...
            sw.Stop();
            TimeSpan ts = sw.Elapsed;
            Log.Trace($"Effettuata EnrollReqUpsert: {ts.TotalMilliseconds} ms");
            // invio string in messagepipe x forzare refresh...
            EnrollMessPipe.sendMessage("NewEnrollReq");
            // restituisce risultato
            return dbResult;
        }

        /// <summary>
        /// Elenco file registrati dato ticket id
        /// </summary>
        /// <param name="idxTicket">Identificativo del ticket</param>
        /// <returns></returns>
        public async Task<List<FileAttachModel>> FileGetFilt(int idxTicket)
        {
            List<FileAttachModel> dbResult = new List<FileAttachModel>();
            Stopwatch sw = new Stopwatch();
            sw.Start();
            dbResult = dbController.FileGetFilt(idxTicket);
            sw.Stop();
            Log.Trace($"Effettuata lettura da DB per FileGetFilt: {sw.Elapsed.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Esegue flush cache dati enroll x successiva rilettura
        /// </summary>
        /// <param name="newRec"></param>
        /// <returns></returns>
        public async Task<bool> FlushEnrollCache()
        {
            bool fatto = await FlushRedisCachePattern("Enroll");
            return fatto;
        }

        /// <summary>
        /// Refresh globale cache redis
        /// </summary>
        /// <returns></returns>
        public async Task<bool> FlushRedisCache()
        {
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            await Task.Delay(1);
            RedisValue pattern = new RedisValue($"{Const.rKeyConfig}:*");
            bool answ = await ExecFlushRedisPattern(pattern);
            UserClaimsLUT = new Dictionary<string, bool>();
            stopWatch.Stop();
            Log.Debug($"FlushRedisCache in {stopWatch.Elapsed.TotalMilliseconds} ms");
            return answ;
        }

        /// <summary>
        /// Refresh cache Redis dato redPattern
        /// </summary>
        /// <param name="pattern">Pattern da eliminare</param>
        /// <returns></returns>
        public async Task<bool> FlushRedisCachePattern(string pattern)
        {
            Stopwatch sw = new Stopwatch();
            sw.Start();
            await Task.Delay(1);
            RedisValue redPattern = new RedisValue($"{Const.rKeyConfig}:{pattern}*");
            bool answ = await ExecFlushRedisPattern(redPattern);
            sw.Stop();
            Log.Debug($"FlushRedisCachePattern in {sw.Elapsed.TotalMilliseconds} ms");
            return answ;
        }

        public async Task<List<InstallazioneModel>> InstallazioniNextGetAll()
        {
            string source = "DB";
            List<InstallazioneModel> dbResult = new List<InstallazioneModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Next:Installazioni:List";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<InstallazioneModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<InstallazioneModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.GetInstallazioni();
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new List<InstallazioneModel>();
                }
                sw.Stop();
                Log.Debug($"InstallazioniNextGetAll | {source} in: {sw.Elapsed.TotalMilliseconds:N2} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during InstallazioniNextGetAll:{Environment.NewLine}{exc}");
            }
            return dbResult;

#if false
            List<InstallazioneModel> dbResult = new List<InstallazioneModel>();
            string cacheKey = mHash("Next:Installazioni");
            string rawData;
            var redisDataList = await distributedCache.GetAsync(cacheKey);
            if (redisDataList != null)
            {
                rawData = Encoding.UTF8.GetString(redisDataList);
                dbResult = JsonConvert.DeserializeObject<List<InstallazioneModel>>(rawData);
            }
            else
            {
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                dbResult = dbControllerNext.GetInstallazioni();
                rawData = JsonConvert.SerializeObject(dbResult);
                redisDataList = Encoding.UTF8.GetBytes(rawData);
                await distributedCache.SetAsync(cacheKey, redisDataList, cacheOpt(true));
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Trace($"Effettuata lettura da DB + caching per InstallazioniNextGetAll: {ts.TotalMilliseconds} ms");
            }
            return await Task.FromResult(dbResult);
#endif
        }

        public async Task<bool> InstallazioniNextUpdate(InstallazioneModel currItem)
        {
            bool done = false;
            try
            {
                done = dbController.UpsertInstallazione(currItem);
                await FlushRedisCache();
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in InstallazioniNextUpdate:{Environment.NewLine}{exc}");
            }
            return await Task.FromResult(done);
        }

        /// <summary>
        /// Effettua pulizia record registrazione InstalledRelease eliminando quelli non presenti in elenco
        /// </summary>
        /// <param name="CodImp">CodImpiego</param>
        /// <param name="AppKey">Chiave App</param>
        /// <param name="ListCodApp">Elenco app gestite (=da tenere)</param>
        /// <returns>Num rec eliminati</returns>
        public int InstallRelClean(string CodImp, string AppKey, List<string> ListCodApp)
        {
            return dbController.InstallRelClean(CodImp, AppKey, ListCodApp);
        }

        /// <summary>
        /// Effettua eliminazione record registrazione InstalledRelease dato idx SubLic
        /// </summary>
        /// <param name="idxSubLic">Idx sub licenza</param>
        /// <returns>Num rec eliminati</returns>
        public int InstallRelDelBySubLic(int idxSubLic)
        {
            return dbController.InstallRelDelBySubLic(idxSubLic);
        }

        /// <summary>
        /// Effettua salvataggio della situazione delle installazioni attive (se non c'è veto per registrazione appena effettuata...)
        /// </summary>
        /// <param name="doForce">Forza salvataggio comunque</param>
        /// <returns></returns>
        public async Task<bool> InstallRelHistSnapshot(bool doForce)
        {
            bool fatto = false;
            DateTime adesso = DateTime.Now;
            if (adesso > VetoInstRelHistSnap || doForce)
            {
                // veto x 4h (+/- rand 30 min)
                VetoInstRelHistSnap = adesso.AddHours(4).AddMinutes(rnd.Next(-30, 30));
                // calcolo periodo come x interfaccia...
                DateTime DtFine = DateTime.Today.AddHours(DateTime.Now.Hour + 1);
                DateTime DtInizio = DateTime.Today.AddMonths(-1);
                // svuoto cache info...
                await ResetInstallStatus();
                // recupero info DTO
                var rawData = await InstallStatusGetInfo(DtInizio, DtFine, "", "");
                fatto = dbController.InstallRelHistSnapshot(rawData.InstallStatus);
            }
            return fatto;
        }

        /// <summary>
        /// Registro su DB il record della licenza attuale relativo alla richiesta di verifica licenza ricevuta
        /// </summary>
        /// <param name="upRec">record da inserire/aggiornare</param>
        public bool InstallRelUpsert(InstalledReleasesModel upRec)
        {
            bool fatto = dbController.InstallRelUpsert(upRec);
            // se ok fa verifica sublicenze...
            if (fatto)
            {
                dbController.CheckCleanOldSubLic(upRec);
            }
            return fatto;
        }

        /// <summary>
        /// Reset cache info installazioni x forzare reload
        /// </summary>
        /// <returns></returns>
        public async Task<bool> ResetInstallStatus()
        {
            bool fatto = false;
            Stopwatch sw = new Stopwatch();
            sw.Start();
            string source = "REDIS";
            fatto = await FlushRedisCachePattern($"InstVerSta");
            sw.Stop();
            Log.Debug($"ResetInstallStatus | {source} cleanup in: {sw.Elapsed.TotalMilliseconds} ms");
            return fatto;
        }

        /// <summary>
        /// Recupera info statistiche installazione dato periodo riferimento, da cache o da db
        /// </summary>
        /// <param name="dtStart"></param>
        /// <param name="dtEnd"></param>
        /// <param name="CodInst">Filtro Cliente (CodInstall)</param>
        /// <param name="TipoApp">Filtro TipoApp</param>
        public async Task<InstallStatusDTO> InstallStatusGetInfo(DateTime dtStart, DateTime dtEnd, string CodInst, string TipoApp)
        {
            string source = "DB";
            InstallStatusDTO dbResult = new InstallStatusDTO();
            try
            {
                string filtCli = string.IsNullOrEmpty(CodInst) ? "ALL-INSTALL" : $"{CodInst}";
                string filtTipo = string.IsNullOrEmpty(TipoApp) ? "ALL-TIPO" : $"{TipoApp}";
                string currKey = $"{Const.rKeyConfig}:InstVerSta:{filtTipo}:{filtCli}:{dtStart:yyyyMMdd-HHmm}:{dtEnd:yyyyMMdd-HHmm}";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<InstallStatusDTO>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new InstallStatusDTO();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.InstallStatusGetInfo(dtStart, dtEnd, CodInst, TipoApp);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new InstallStatusDTO();
                }
                sw.Stop();
                Log.Debug($"InstallStatusGetInfo | {source} in: {sw.Elapsed.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during InstallStatusGetInfo:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        /// <summary>
        /// Elenco licenze dato ID
        /// </summary>
        /// <param name="licId">ID licenza (DB)</param>
        /// <returns></returns>
        public async Task<LicenzaModel> LicenzaById(int licId)
        {
            LicenzaModel dbResult = new LicenzaModel();
            string cacheKey = $"{rKeyLicById}:{licId}";
            trackCache(cacheKey);
            string rawData = await getRSV(cacheKey);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<LicenzaModel>(rawData);
            }
            else
            {
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                dbResult = dbController.LicenzaById(licId);
                if (dbResult != null)
                {
                    rawData = JsonConvert.SerializeObject(dbResult);
                    await setRSV(cacheKey, rawData, hourTTL);
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Trace($"Effettuata lettura da DB per LicenzaById: {ts.TotalMilliseconds} ms");
            }

            return dbResult;
        }

        /// <summary>
        /// Record licenza data masterKey
        /// </summary>
        /// <param name="chiave">Chiave Licenza x ricerca</param>
        /// <returns></returns>
        public async Task<LicenzaModel> LicenzaByMasterKey(string chiave)
        {
            LicenzaModel dbResult = new LicenzaModel();
            string cacheKey = $"{rKeyLicByMKey}:{chiave}";
            trackCache(cacheKey);
            string rawData = await getRSV(cacheKey);
            if (!string.IsNullOrEmpty(rawData))
            {
                dbResult = JsonConvert.DeserializeObject<LicenzaModel>(rawData);
            }
            else
            {
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                dbResult = dbController.LicenzaByKey(chiave);
                if (dbResult != null)
                {
                    rawData = JsonConvert.SerializeObject(dbResult);
                    await setRSV(cacheKey, rawData, hourTTL);
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Trace($"Effettuata lettura da DB per LicenzaByMasterKey: {ts.TotalMilliseconds} ms");
            }

            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Recupera licenza dato IDX
        /// </summary>
        /// <param name="IdxLic"></param>
        /// <returns></returns>
        public LicenzaModel LicenzaNextGetByIdx(int IdxLic)
        {
            Stopwatch sw = new Stopwatch();
            LicenzaModel dbResult = new LicenzaModel();
            sw.Start();
            dbResult = dbController.GetLicenza(IdxLic);
            sw.Stop();
            TimeSpan ts = sw.Elapsed;
            Log.Trace($"Effettuata lettura da DB per LicenzeNextGetByIdx: {ts.TotalMilliseconds} ms");
            return dbResult;
        }

        /// <summary>
        /// Effettua refresh del Payload della licenza dato info + enigma generato dal client
        /// </summary>
        /// <param name="appInfo"></param>
        /// <returns></returns>
        public async Task<ApplicativoDTO> LicenzaRefreshPayload(LicenseCoord appInfo)
        {
            // chiamo metodo x ricalcolare Payload dato enigma
            bool done = await dbController.LicenseUpdatePayload(appInfo.CodInst, appInfo.CodApp, appInfo.MasterKey, appInfo.Enigma);
            await FlushRedisCache();
            // ora recupero i dati
            var licList = await LicenzeSearch(appInfo.CodInst, appInfo.CodApp, appInfo.MasterKey, false);
            return licList.FirstOrDefault();
        }

        /// <summary>
        /// Elenco licenze dato cliente
        /// </summary>
        /// <param name="cliente"></param>
        /// <returns></returns>
        public async Task<List<LicenzaModel>> LicenzeByCliente(string cliente)
        {
            List<LicenzaModel> dbResult = new List<LicenzaModel>();
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();

            dbResult = dbController.GetLicenzeFilt(true, "", cliente);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per LicenzeByCliente: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Elenco licenze x data scadenza
        /// </summary>
        /// <param name="minDate">Data minima di scadenza</param>
        /// <param name="maxDate">Data massima di scadenza</param>
        /// <returns></returns>
        public async Task<List<ApplicativoDTO>> LicenzeExpiring(DateTime minDate, DateTime maxDate)
        {
            List<ApplicativoDTO> dbResult = new List<ApplicativoDTO>();
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();

            dbResult = dbController.GetApplicativiExpiring(minDate, maxDate).ToList();
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per LicenzeExpiring: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        public async Task<List<LicenzaModel>> LicenzeNextGetAll()
        {
            string source = "DB";
            List<LicenzaModel> dbResult = new List<LicenzaModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Next:Licenze:List";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<LicenzaModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<LicenzaModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.GetLicenze();
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new List<LicenzaModel>();
                }
                sw.Stop();
                Log.Debug($"LicenzeNextGetAll | {source} in: {sw.Elapsed.TotalMilliseconds:N2} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during LicenzeNextGetAll:{Environment.NewLine}{exc}");
            }
            return dbResult;

#if false
            List<LicenzaModel> dbResult = new List<LicenzaModel>();
            string cacheKey = mHash("Next:Licenze");
            string rawData;
            var redisDataList = await distributedCache.GetAsync(cacheKey);
            if (redisDataList != null)
            {
                rawData = Encoding.UTF8.GetString(redisDataList);
                dbResult = JsonConvert.DeserializeObject<List<LicenzaModel>>(rawData);
            }
            else
            {
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                dbResult = dbControllerNext.GetLicenze();
                rawData = JsonConvert.SerializeObject(dbResult);
                redisDataList = Encoding.UTF8.GetBytes(rawData);
                await distributedCache.SetAsync(cacheKey, redisDataList, cacheOpt(true));
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Trace($"Effettuata lettura da DB + caching per LicenzeNextGetAll: {ts.TotalMilliseconds} ms");
            }
            return await Task.FromResult(dbResult);
#endif
        }

        /// <summary>
        /// Recupera licenze SENZA cache
        /// </summary>
        /// <param name="CurrFilter"></param>
        /// <returns></returns>
        public async Task<List<LicenzaModel>> LicenzeNextGetFilt(SelectNext CurrFilter)
        {
            string source = "DB";
            List<LicenzaModel> dbResult = new List<LicenzaModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:Next:LicenzeFilt:APP_{CurrFilter.ApplicazioneSel}:INS_{CurrFilter.InstallazioneSel}:OA_{CurrFilter.OnlyActive}";
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<LicenzaModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<LicenzaModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.GetLicenzeFilt(CurrFilter.OnlyActive, CurrFilter.ApplicazioneSel, CurrFilter.InstallazioneSel);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new List<LicenzaModel>();
                }
                sw.Stop();
                Log.Debug($"LicenzeNextGetFilt | {source} in: {sw.Elapsed.TotalMilliseconds:N2} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during LicenzeNextGetAll:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        public async Task<bool> LicenzeNextUpdate(LicenzaModel currItem)
        {
            bool done = false;

            // chiamo Log licenza + update insieme
            try
            {
                done = dbController.UpsertLicenza(currItem);
                await FlushRedisCache();
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in ApplicazioniUpdate:{Environment.NewLine}{exc}");
            }
            return await Task.FromResult(done);
        }

        /// <summary>
        /// Elenco licenze dato cliente
        /// </summary>
        /// <param name="CodInst">Codice Installaizone /Cliente</param>
        /// <param name="CodApp">Codice Applicazione</param>
        /// <param name="Chiave">Chiave Licenza da validare</param>
        /// <param name="HideData">Indica se nascondere i dati sensibili</param>
        /// <returns></returns>
        public async Task<List<ApplicativoDTO>> LicenzeSearch(string CodInst, string CodApp, string Chiave, bool HideData)
        {
            List<ApplicativoDTO> dbResult = new List<ApplicativoDTO>();
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();

            dbResult = dbController.GetApplicativiFilt(true, CodApp, CodInst, HideData).Where(x => x.Chiave == Chiave).ToList();
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per ApplicativiByCliente: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        public async Task<bool> ReleaseDelete(ReleaseModel rec2del)
        {
            bool fatto = dbController.ReleaseDelete(rec2del);
            await FlushRedisCache();
            return fatto;
        }

        /// <summary>
        /// Elenco Release dato Applicativo
        /// </summary>
        /// <param name="CodApp">Codice Applicazione</param>
        /// <returns></returns>
        public async Task<List<ReleaseModel>> ReleaseGetByApp(string CodApp)
        {
            string source = "DB";
            List<ReleaseModel>? dbResult = new List<ReleaseModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:App:AllRel:{CodApp}";
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<ReleaseModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<ReleaseModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    dbResult = dbController.ReleaseGetByApp(CodApp);
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, LongCache);
                    // per evitare loopback uso deserialize...
                    var tempResult = JsonConvert.DeserializeObject<List<ReleaseModel>>(rawData);
                    if (tempResult != null)
                    {
                        dbResult = tempResult;
                    }
                }
                if (dbResult == null)
                {
                    dbResult = new List<ReleaseModel>();
                }
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Debug($"ReleaseGetByApp | {source} in: {ts.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during ReleaseGetByApp:{Environment.NewLine}{exc}");
            }
            return dbResult;
        }

        /// <summary>
        /// Elenco Release dato Applicativo + versione minima
        /// </summary>
        /// <param name="CodApp">Codice Applicazione</param>
        /// <param name="VersMin">Versione minima richiesta</param>
        /// <returns></returns>
        public async Task<List<ReleaseModel>> ReleaseGetByAppVers(string CodApp, string VersMin)
        {
            await Task.Delay(1);
            List<ReleaseModel> dbResult = new List<ReleaseModel>();
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            dbResult = dbController.ReleaseGetByAppVers(CodApp, VersMin);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per ReleaseGetByAppVers | {CodApp} | vers >= {VersMin} | {ts.TotalMilliseconds} ms");
            return dbResult;
        }

        /// <summary>
        /// Ultima Release dato Applicativo VALIDA (= rilasciata)
        /// </summary>
        /// <param name="CodApp">Codice Applicazione</param>
        /// <returns></returns>
        public async Task<string> ReleaseLastGetByApp(string CodApp)
        {
            string answ = "";
            RedisKey currKey = $"{Const.rKeyConfig}:App:CurrRel";
            var rawVal = await redisDb.HashGetAsync(currKey, CodApp);
            if (rawVal.HasValue)
            {
                answ = $"{rawVal}";
            }
            else
            {
                var rawList = await ReleaseGetByApp(CodApp);
                if (rawList != null)
                {
                    var lastRel = rawList
                                .Where(x => x.IsReleased)
                                .OrderByDescending(x => x.VersVal)
                                .ThenByDescending(x => x.ReleaseDate)
                                .FirstOrDefault() ?? new ReleaseModel() { CodApp = CodApp };
                    answ = lastRel.VersNum;
                    // salvo su redis tab...
                    await redisDb.HashSetAsync(currKey, CodApp, answ);
                }
            }
            return answ;
        }

        /// <summary>
        /// Upsert record Release applicazione
        /// </summary>
        /// <param name="currItem"></param>
        /// <returns></returns>
        public async Task<bool> ReleaseUpsert(ReleaseModel currItem)
        {
            bool done = false;
            Stopwatch sw = new Stopwatch();
            sw.Start();
            try
            {
                done = await dbController.ReleaseUpsert(currItem);
                await FlushRedisCache();
                Log.Trace($"Effettuato upsert su DB per ReleaseUpsert | {currItem.CodApp} | {currItem.VersNum} | {sw.Elapsed.TotalMilliseconds} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in ReleaseUpsert:{Environment.NewLine}{exc}");
            }
            return done;
        }

        public async Task<bool> SendEmail(string destEmail, string oggetto, string corpo)
        {
            bool answ = false;
            try
            {
                await _emailSender.SendEmailAsync(destEmail, oggetto, corpo);
                answ = true;
            }
            catch
            { }

            return answ;
        }

        /// <summary>
        /// Statistiche del LOG chiamate all'API dato filtro
        /// </summary>
        /// <param name="DateFrom">Data minima</param>
        /// <param name="DateTo">DataMax</param>
        /// <param name="SearchVal">Valore cercato, se "" è tutti</param>
        /// <returns></returns>
        public async Task<List<StatsCallModel>> StatsLogCallGetFilt(DateTime DateFrom, DateTime DateTo, string SearchVal = "")
        {
            string source = "DB";
            List<StatsCallModel> dbResult = new List<StatsCallModel>();
            try
            {
                string currKey = $"{Const.rKeyConfig}:StatslogCall:{DateFrom:yyyyMMdd}:{DateTo:yyyyMMdd}";
                if (!string.IsNullOrEmpty(SearchVal))
                {
                    currKey += $":{SearchVal}";
                }
                Stopwatch sw = new Stopwatch();
                sw.Start();
                string? rawData = await redisDb.StringGetAsync(currKey);
                if (!string.IsNullOrEmpty(rawData))
                {
                    source = "REDIS";
                    var tempResult = JsonConvert.DeserializeObject<List<StatsCallModel>>(rawData);
                    if (tempResult == null)
                    {
                        dbResult = new List<StatsCallModel>();
                    }
                    else
                    {
                        dbResult = tempResult;
                    }
                }
                else
                {
                    var rawResult = dbController.StatsLogCallGetFilt(DateFrom, DateTo, SearchVal);
                    dbResult = rawResult
                                .OrderByDescending(x => x.YearRef)
                                .ThenByDescending(x => x.TotCall)
                                .ToList();
                    rawData = JsonConvert.SerializeObject(dbResult, JSSettings);
                    await redisDb.StringSetAsync(currKey, rawData, UltraLongCache);
                }
                if (dbResult == null)
                {
                    dbResult = new List<StatsCallModel>();
                }
                sw.Stop();
                Log.Debug($"StatsLogCallGetFilt | {source} in: {sw.Elapsed.TotalMilliseconds:N2} ms");
            }
            catch (Exception exc)
            {
                Log.Error($"Error during StatsLogCallGetFilt:{Environment.NewLine}{exc}");
            }
            return dbResult;

#if false
            List<StatsCallModel> dbResult = new List<StatsCallModel>();
            string cacheKey = mHash($"StatslogCall:{DateFrom:yyyyMMdd}:{DateTo:yyyyMMdd}");
            if (!string.IsNullOrEmpty(SearchVal))
            {
                cacheKey += $":{SearchVal}";
            }
            string rawData;
            var redisDataList = await distributedCache.GetAsync(cacheKey);
            if (redisDataList != null)
            {
                rawData = Encoding.UTF8.GetString(redisDataList);
                dbResult = JsonConvert.DeserializeObject<List<StatsCallModel>>(rawData);
            }
            else
            {
                Stopwatch stopWatch = new Stopwatch();
                stopWatch.Start();
                var rawResult = dbControllerNext.StatsLogCallGetFilt(DateFrom, DateTo, SearchVal);
                dbResult = rawResult
                            .OrderByDescending(x => x.YearRef)
                            .ThenByDescending(x => x.TotCall)
                            .ToList();
                rawData = JsonConvert.SerializeObject(dbResult);
                redisDataList = Encoding.UTF8.GetBytes(rawData);
                await distributedCache.SetAsync(cacheKey, redisDataList, cacheOpt(true));
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                Log.Trace($"Effettuata lettura da DB + caching per StatsLogCallGetFilt: {ts.TotalMilliseconds} ms");
            }
            return await Task.FromResult(dbResult);
#endif
        }

        /// <summary>
        /// Restituisce i task associati ad un dato EgwACC in stato DONE
        /// </summary>
        /// <param name="CodImp"></param>
        /// <returns></returns>
        public Dictionary<string, string> TaskDoneGet(string CodImp)
        {
            RedisKey currKey = (RedisKey)$"{rKeyTaskDone}:{CodImp}";
            Dictionary<string, string> answ = redisHashDictGet(currKey);
            return answ;
        }

        /// <summary>
        /// Restituisce elenco dei task richiesti da hashtable
        /// </summary>
        /// <returns></returns>
        public Dictionary<string, string> TaskListDoneGet()
        {
            RedisKey currKey = (RedisKey)$"{rKeyTaskDone}List";
            Dictionary<string, string> answ = redisHashDictGet(currKey);
            return answ;
        }

        /// <summary>
        /// Restituisce elenco dei task richiesti da hashtable
        /// </summary>
        /// <returns></returns>
        public Dictionary<string, string> TaskListReqGet()
        {
            RedisKey currKey = (RedisKey)$"{rKeyTaskReq}List";
            Dictionary<string, string> answ = redisHashDictGet(currKey);
            return answ;
        }

        /// <summary>
        /// Restituisce elenco dei task richiesti da hashtable
        /// </summary>
        /// <returns></returns>
        public Dictionary<string, string> TaskListRunGet()
        {
            RedisKey currKey = (RedisKey)$"{rKeyTaskRun}List";
            Dictionary<string, string> answ = redisHashDictGet(currKey);
            return answ;
        }

        /// <summary>
        /// Aggiunta di un task x un dato EgwACC (senza scadenza)
        /// </summary>
        /// <param name="CodImp">UID impianto</param>
        /// <param name="TaskType">Task richiesto</param>
        /// <param name="TaskVal">Valore/opzione task</param>
        /// <returns></returns>
        public bool TaskReqAdd(string CodImp, EgwAccTask TaskType, string TaskVal)
        {
            bool answ = redisHashKeySet((RedisKey)$"{rKeyTaskReq}:{CodImp}", $"{TaskType}", TaskVal);
            // aggiungo al dizionario x ricerca...
            redisHashKeySet((RedisKey)$"{rKeyTaskReq}List", CodImp, $"{DateTime.Now}");
            return answ;
        }

        /// <summary>
        /// Aggiunta di un task x una lista di dato EgwACC (senza scadenza)
        /// </summary>
        /// <param name="ListCodImp">Lista di UID impianto</param>
        /// <param name="TaskType">Task richiesto</param>
        /// <param name="TaskVal">Valore/opzione task</param>
        /// <returns></returns>
        public bool TaskReqAdd(List<string> ListCodImp, EgwAccTask TaskType, string TaskVal)
        {
            int done = 0;
            foreach (var CodImp in ListCodImp)
            {
                bool added = TaskReqAdd(CodImp, TaskType, TaskVal);
                done += added ? 1 : 0;
            }
            return done > 0;
        }

        /// <summary>
        /// Restituisce i task associati ad un dato EgwACC in stato RICHIESTI
        /// </summary>
        /// <param name="CodImp"></param>
        /// <returns></returns>
        public Dictionary<string, string> TaskReqGet(string CodImp)
        {
            RedisKey currKey = (RedisKey)$"{rKeyTaskReq}:{CodImp}";
            Dictionary<string, string> answ = redisHashDictGet(currKey);
            return answ;
        }

        /// <summary>
        /// Resetta i task di un dato EgwACC
        /// </summary>
        /// <param name="CodImp"></param>
        /// <returns></returns>
        public bool TaskReqReset(string CodImp)
        {
            bool okReq = redisHashDictDelete((RedisKey)$"{rKeyTaskReq}:{CodImp}");
            bool okRun = redisHashDictDelete((RedisKey)$"{rKeyTaskRun}:{CodImp}");
            redisHashKeyDelete((RedisKey)$"{rKeyTaskReq}List", CodImp);
            redisHashKeyDelete((RedisKey)$"{rKeyTaskRun}List", CodImp);
            redisHashKeyDelete((RedisKey)$"{rKeyTaskDone}List", CodImp);
            return okReq && okRun;
        }

        /// <summary>
        /// Restituisce i task associati ad un dato EgwACC in stato RUNNING
        /// </summary>
        /// <param name="CodImp"></param>
        /// <returns></returns>
        public Dictionary<string, string> TaskRunGet(string CodImp)
        {
            RedisKey currKey = (RedisKey)$"{rKeyTaskRun}:{CodImp}";
            Dictionary<string, string> answ = redisHashDictGet(currKey);
            return answ;
        }

        /// <summary>
        /// Recupera elenco Tickets filtrato
        /// </summary>
        /// <param name="CurrFilter"></param>
        /// <returns></returns>
        public async Task<List<TicketDTO>> TicketsGetAll()
        {
            Stopwatch sw = new Stopwatch();
            List<TicketDTO> dbResult = new List<TicketDTO>();
            sw.Start();
            dbResult = dbController.TicketGetAll(false, 1000);
            sw.Stop();
            TimeSpan ts = sw.Elapsed;
            Log.Trace($"Effettuata lettura da DB per TicketsGetAll: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Ricerca ticket filtrati
        /// </summary>
        /// <param name="onlyOpen"></param>
        /// <param name="CodApp"></param>
        /// <param name="CodInst"></param>
        /// <returns></returns>
        public async Task<List<TicketDTO>> TicketsGetFilt(bool onlyOpen, string CodApp, string CodInst)
        {
            Stopwatch sw = new Stopwatch();
            List<TicketDTO> dbResult = new List<TicketDTO>();
            sw.Start();
            dbResult = dbController.TicketGetFilt(onlyOpen, CodApp, CodInst);
            sw.Stop();
            TimeSpan ts = sw.Elapsed;
            Log.Trace($"Effettuata lettura da DB per TicketsGetFilt: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Recupera elenco Tickets filtrato
        /// </summary>
        /// <param name="CurrFilter"></param>
        /// <returns></returns>
        public async Task<List<TicketDTO>> TicketsGetFilt(SelectNext CurrFilter)
        {
            Stopwatch sw = new Stopwatch();
            List<TicketDTO> dbResult = new List<TicketDTO>();
            sw.Start();
            dbResult = dbController.TicketGetFiltAllLic(CurrFilter.OnlyActive, Core.Enum.TipologiaTicket.ND, CurrFilter.ApplicazioneSel, CurrFilter.InstallazioneSel, 1000);
            sw.Stop();
            TimeSpan ts = sw.Elapsed;
            Log.Trace($"Effettuata lettura da DB per TicketsGetFilt: {ts.TotalMilliseconds} ms");
            return await Task.FromResult(dbResult);
        }

        /// <summary>
        /// Aggiornamentos tato ticket
        /// </summary>
        /// <param name="IdxTicket"></param>
        /// <param name="NewStatus"></param>
        /// <returns></returns>
        public async Task<bool> TicketUpdateState(int IdxTicket, StatoRichiesta NewStatus)
        {
            bool fatto = false;
            // inserimento!
            Stopwatch sw = new Stopwatch();
            sw.Start();
            fatto = dbController.TicketUpdateState(IdxTicket, NewStatus);
            sw.Stop();
            Log.Trace($"Effettuata update con TicketUpdateState: {sw.Elapsed.TotalMilliseconds} ms");

            // restituisce elenco
            return await Task.FromResult(fatto);
        }

        /// <summary>
        /// Verifica di un role utente dall'elenco claims...
        /// </summary>
        /// <param name="userName"></param>
        /// <param name="role"></param>
        /// <returns></returns>
        public bool UserHasClaim(string userName, string role)
        {
            bool answ = false;
            string keyLUT = $"{userName}_{role}";
            if (UserClaimsLUT.ContainsKey(keyLUT))
            {
                answ = UserClaimsLUT[keyLUT];
            }
            else
            {
                var pUpd = Task.Run(async () =>
                {
                    var userClaims = await AuthClaimByUserName(userName);
                    if (userClaims != null && userClaims.Count > 0)
                    {
                        answ = userClaims.Where(x => x.RoleNav.Ruolo == role).Any();
                    }
                });
                pUpd.Wait();
                UserClaimsLUT.Add(keyLUT, answ);
            }
            return answ;
        }

        #endregion Public Methods

        #region Protected Fields

        /// <summary>
        /// TTL da 1 h x cache Redis
        /// </summary>
        protected const int hourTTL = 60 * 60;

        /// <summary>
        /// TTL da 1 min x cache Redis
        /// </summary>
        protected const int redCacheTtlFast = 60 * 1;

        /// <summary>
        /// TTL da 5 min x cache Redis
        /// </summary>
        protected const int redCacheTtlStd = 60 * 5;

        /// <summary>
        /// Chiave redis x attivazioni da IdxLic
        /// </summary>
        protected const string rKeyAttivByLic = "LiMan.UI:Licenze:AttByIdxLic";

        /// <summary>
        /// Chiave base dati Redis gestiti API
        /// </summary>
        protected const string rKeyBaseApi = "LiMan:API";

        /// <summary>
        /// Chiave base dati Redis gestiti UI/API
        /// </summary>
        protected const string rKeyBaseComm = "LiMan:ALL";

        /// <summary>
        /// Chiave base dati Redis gestiti UI
        /// </summary>
        protected const string rKeyBaseUi = "LiMan:UI";

        /// <summary>
        /// Chiave degli elenchi dei devices con EgwACC in esecuzione
        /// </summary>
        protected const string rKeyEACCDetail = $"{rKeyBaseComm}:EAccDetail";

        /// <summary>
        /// Chiave degli elenchi dei devices con EgwACC in esecuzione
        /// </summary>
        protected const string rKeyEACCList = $"{rKeyBaseComm}:EAccList";

        /// <summary>
        /// Chiave redis x licenze da ID
        /// </summary>
        protected const string rKeyLicById = "LiMan.UI:Licenze:ById";

        /// <summary>
        /// Chiave redis x licenze da MasterKey
        /// </summary>
        protected const string rKeyLicByMKey = "LiMan.UI:Licenze:ListByKey";

        /// <summary>
        /// Chiave redis x statistiche in acquisizione
        /// </summary>
        protected const string rKeySampleStats = "LiMan.UI:SampleStats:Curr";

        /// <summary>
        /// Chiave redis x statistiche in acquisizione
        /// </summary>
        protected const string rKeySampleVars = "LiMan.UI:SampleStats:Vars";

        /// <summary>
        /// Chiave redis x statistiche chiamate
        /// </summary>
        protected const string rKeyStatslogCall = "LiMan.UI:StatsLogCall";

        /// <summary>
        /// Chiave degli elenchi dei Task eseguiti
        /// </summary>
        protected const string rKeyTaskDone = $"{rKeyBaseComm}:TaskDone";

        /// <summary>
        /// Chiave degli elenchi dei Task req/pending
        /// </summary>
        protected const string rKeyTaskReq = $"{rKeyBaseComm}:TaskReq";

        /// <summary>
        /// Chiave degli elenchi dei Task in esecuzione
        /// </summary>
        protected const string rKeyTaskRun = $"{rKeyBaseComm}:TaskRun";

        /// <summary>
        /// Chiave degli elenchi delle ultime DataOra di comunicazione degli updater
        /// </summary>
        protected const string rKeyUpdLastAct = $"{rKeyBaseComm}:LastActions";

        protected static IConfiguration _configuration;

        protected static Controllers.DbController dbController;

        protected static JsonSerializerSettings? JSSettings;

        protected static Logger Log = LogManager.GetCurrentClassLogger();

        /// <summary>
        /// Oggetto per invio email
        /// </summary>
        protected readonly IEmailSender _emailSender;

        /// <summary>
        /// Durata cache lunga IN SECONDI
        /// </summary>
        protected int cacheTtlLong = 60 * 5;

        /// <summary>
        /// Durata cache breve IN SECONDI
        /// </summary>
        protected int cacheTtlShort = 60 * 1;

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

        /// <summary>
        /// Oggetto DB redis da impiegare x chiamate R/W
        /// </summary>
        protected IDatabase redisDb = null!;

        protected Random rnd = new Random();

        #endregion Protected Fields

        #region Protected Properties

        /// <summary>
        /// Durata cache breve (1 min circa + perturbazione percentuale +/-10%)
        /// </summary>
        protected TimeSpan FastCache
        {
            get => TimeSpan.FromSeconds(cacheTtlShort * rnd.Next(900, 1100) / 1000);
        }

        /// <summary>
        /// Durata cache lunga (+ perturbazione percentuale +/-10%)
        /// </summary>
        protected TimeSpan LongCache
        {
            get => TimeSpan.FromSeconds(cacheTtlLong * rnd.Next(900, 1100) / 1000);
        }

        /// <summary>
        /// Durata cache MOLTO breve (10 sec circa + perturbazione percentuale +/-10%)
        /// </summary>
        protected TimeSpan UltraFastCache
        {
            get => TimeSpan.FromSeconds(cacheTtlShort / 6 * rnd.Next(900, 1100) / 1000);
        }

        /// <summary>
        /// Durata cache MOLTO lunga (+ perturbazione percentuale +/-10%)
        /// </summary>
        protected TimeSpan UltraLongCache
        {
            get => TimeSpan.FromSeconds(cacheTtlLong * 10 * rnd.Next(900, 1100) / 1000);
        }

        #endregion Protected Properties

        #region Protected Methods

        /// <summary>
        /// Esegue flush memoria redis dato pat2Flush
        /// </summary>
        /// <param name="pat2Flush"></param>
        /// <returns></returns>
        protected async Task<bool> ExecFlushRedisPattern(RedisValue pat2Flush)
        {
            bool answ = false;

            var masterEndpoint = redisConn.GetEndPoints()
                                            .Where(ep => redisConn.GetServer(ep).IsConnected && !redisConn.GetServer(ep).IsReplica)
                                            .FirstOrDefault();

            // sepattern è "*" elimino intero DB...
            if (masterEndpoint != null && (pat2Flush.Equals(new RedisValue("*")) || pat2Flush == RedisValue.Null))
            {
                redisConn.GetServer(masterEndpoint).FlushDatabase(database: redisDb.Database);
            }
            else
            {
                var server = redisConn.GetServer(masterEndpoint);
                var keys = server.Keys(database: redisDb.Database, pattern: pat2Flush, pageSize: 1000);

                var deleteTasks = new List<Task>();
                foreach (var key in keys)
                {
                    deleteTasks.Add(redisDb.KeyDeleteAsync(key));
                    if (deleteTasks.Count >= 1000)
                    {
                        await Task.WhenAll(deleteTasks);
                        deleteTasks.Clear();
                    }
                }
                if (deleteTasks.Count > 0)
                {
                    await Task.WhenAll(deleteTasks);
                }
            }
            answ = true;
#if false
            var listEndpoints = redisConn.GetEndPoints();
            foreach (var endPoint in listEndpoints)
            {
                //var server = redisConnAdmin.GetServer(listEndpoints[0]);
                var server = redisConn.GetServer(endPoint);
                if (server != null)
                {
                    var keyList = server.Keys(redisDb.Database, pattern);
                    foreach (var item in keyList)
                    {
                        await redisDb.KeyDeleteAsync(item);
                    }
                    answ = true;
                }
            } 
#endif

            return answ;
        }

        /// <summary>
        /// Recupero chiave da redis
        /// </summary>
        /// <param name="rKey"></param>
        /// <returns></returns>
        protected async Task<string> getRSV(string rKey)
        {
            string answ = await redisDb.StringGetAsync(rKey);
            return answ;
        }

        /// <summary>
        /// Recupera contatore x la chiave redis indicata...
        /// </summary>
        /// <returns></returns>
        protected async Task<int> redCount(string rKey)
        {
            int currCount = 0;
            string rawVal = await getRSV(rKey);
            if (!string.IsNullOrEmpty(rawVal))
            {
                int.TryParse(rawVal, out currCount);
            }
            return currCount;
        }

        /// <summary>
        /// Resetta contatore x la chiave redis indicata...
        /// </summary>
        /// <returns></returns>
        protected async Task<bool> redCountClear(string rKey)
        {
            bool answ = false;
            int currCount = 0;
            answ = await setRSV(rKey, currCount, 2 * hourTTL);
            return answ;
        }

        /// <summary>
        /// Incrementa contatore x la chiave redis indicata...
        /// </summary>
        /// <returns></returns>
        protected async Task<bool> redCountIncr(string rKey)
        {
            bool answ = false;
            int currCount = 0;
            string rawVal = await getRSV(rKey);
            if (!string.IsNullOrEmpty(rawVal))
            {
                int.TryParse(rawVal, out currCount);
            }
            currCount++;
            answ = await setRSV(rKey, currCount, 2 * hourTTL);
            return answ;
        }

        /// <summary>
        /// Eliminazione di un HashSet Redis
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        protected bool redisHashDictDelete(RedisKey dictKey)
        {
            bool fatto = false;
            try
            {
                // rimuovo scrivendo un set vuoto con expiry a 1 sec
                HashEntry[] data2ins = new HashEntry[1];
                data2ins[0] = new HashEntry("removed", $"{DateTime.Now}");
                // salvo!
                redisDb.HashSet(dictKey, data2ins);
                redisDb.KeyExpire(dictKey, DateTime.Now.AddMilliseconds(1));
                fatto = true;
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in redisHashDictDelete | dictKey: {dictKey}{Environment.NewLine}{exc}");
            }
            return fatto;
        }

        /// <summary>
        /// Recupero HashSet redis come Dictionary
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <returns>Dizionario valori salvato</returns>
        protected Dictionary<string, string> redisHashDictGet(RedisKey dictKey)
        {
            Dictionary<string, string> answ = new Dictionary<string, string>();
            if (redisDb.KeyExists(dictKey))
            {
                try
                {
                    answ = redisDb
                                .HashGetAll(dictKey)
                                .ToDictionary(x => $"{x.Name}", x => $"{x.Value}");
                }
                catch (Exception exc)
                {
                    Log.Info($"Errore redisHashDictGet | dictKey: {dictKey}{Environment.NewLine}{exc}");
                }
            }
            return answ;
        }

        /// <summary>
        /// Salvataggio Dictionary come HashSet Redis, con expiry NON gestito (0 = mai)
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="dict">Valore Dizionario da salvare</param>
        protected bool redisHashDictSet(RedisKey dictKey, Dictionary<string, string> dict)
        {
            // ove non indicato expiry è 0 = MAI
            return redisHashDictSet(dictKey, dict, 0);
        }

        /// <summary>
        /// Salvataggio Dictionary come HashSet Redis
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="dict">Valore Dizionario da salvare</param>
        /// <param name="expireMin">Expiry in minuti del valore, se 0 = mai</param>
        protected bool redisHashDictSet(RedisKey dictKey, Dictionary<string, string> dict, double expireMin)
        {
            bool fatto = false;
            try
            {
                HashEntry[] data2ins = new HashEntry[dict.Count];
                int i = 0;
                foreach (KeyValuePair<string, string> kvp in dict)
                {
                    data2ins[i] = new HashEntry(kvp.Key, kvp.Value);
                    i++;
                }
                // salvo!
                redisDb.HashSet(dictKey, data2ins);
                // se richiesto imposto Expiry
                if (expireMin > 0)
                {
                    redisDb.KeyExpire(dictKey, DateTime.Now.AddMinutes(expireMin));
                }
                fatto = true;
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in redisHashDictSet | dictKey: {dictKey}{Environment.NewLine}{exc}");
            }
            return fatto;
        }

        /// <summary>
        /// Eliminazione di un singolo valore da un HashSet Redis
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="recKey">Chiave del valore da eliminare (singolo record)</param>
        protected bool redisHashKeyDelete(RedisKey dictKey, string recKey)
        {
            bool fatto = false;
            try
            {
                redisDb.HashDelete(dictKey, (RedisValue)recKey);
                fatto = true;
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in redisHashKeyDelete | dictKey: {dictKey}{Environment.NewLine}{exc}");
            }
            return fatto;
        }

        /// <summary>
        /// recupero un singolo valore in HashSet Redis
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="recKey">Chiave valore da recuperare</param>
        protected string redisHashKeyGet(RedisKey dictKey, string recKey)
        {
            string answ = redisDb.HashGet(dictKey, (RedisValue)recKey);
            return answ;
        }

        /// <summary>
        /// Salvataggio variazione in (incremento/decremento) di un singolo valore in HashSet Redis, con expiry NON gestito (0 = mai)
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="recKey">Chiave valore da salvare</param>
        /// <param name="incrVal">Valore di incremento/decremento da salvare</param>
        protected bool redisHashKeyIncDecBy(RedisKey dictKey, string recKey, long incrVal)
        {
            // ove non indicato expiry è 0 = MAI
            return redisHashKeyIncDecBy(dictKey, recKey, incrVal, 0);
        }

        /// <summary>
        /// Salvataggio INCREMENTO di un singolo valore in HashSet Redis
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="recKey">Chiave valore da salvare</param>
        /// <param name="incrVal">Incremento/decremento da salvare</param>
        /// <param name="expireMin">Expiry in minuti del valore, se 0 = mai</param>
        protected bool redisHashKeyIncDecBy(RedisKey dictKey, string recKey, long incrVal, double expireMin)
        {
            bool fatto = false;
            try
            {
                // salvo!
                if (incrVal > 0)
                {
                    redisDb.HashIncrement(dictKey, (RedisValue)recKey, incrVal);
                }
                else
                {
                    redisDb.HashDecrement(dictKey, (RedisValue)recKey, Math.Abs(incrVal));
                }
                // se richiesto imposto Expiry
                if (expireMin > 0)
                {
                    redisDb.KeyExpire(dictKey, DateTime.Now.AddMinutes(expireMin));
                }
                fatto = true;
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in redisHashKeyIncDecBy | dictKey: {dictKey}{Environment.NewLine}{exc}");
            }
            return fatto;
        }

        /// <summary>
        /// Salvataggio di un singolo valore in HashSet Redis, con expiry NON gestito (0 = mai)
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="recKey">Chiave valore da salvare</param>
        /// <param name="recVal">Valore da salvare</param>
        protected bool redisHashKeySet(RedisKey dictKey, string recKey, string recVal)
        {
            // ove non indicato expiry è 0 = MAI
            return redisHashKeySet(dictKey, recKey, recVal, 0);
        }

        /// <summary>
        /// Salvataggio di un singolo valore in HashSet Redis
        /// </summary>
        /// <param name="dictKey">Chiave del dizionario</param>
        /// <param name="recKey">Chiave valore da salvare</param>
        /// <param name="recVal">Valore da salvare</param>
        /// <param name="expireMin">Expiry in minuti del valore, se 0 = mai</param>
        protected bool redisHashKeySet(RedisKey dictKey, string recKey, string recVal, double expireMin)
        {
            bool fatto = false;
            try
            {
                HashEntry[] data2ins = new HashEntry[1] { new HashEntry(recKey, recVal) };

                // salvo!
                redisDb.HashSet(dictKey, data2ins);
                // se richiesto imposto Expiry
                if (expireMin > 0)
                {
                    redisDb.KeyExpire(dictKey, DateTime.Now.AddMinutes(expireMin));
                }
                fatto = true;
            }
            catch (Exception exc)
            {
                Log.Error($"Eccezione in redisHashKeySet | dictKey: {dictKey}{Environment.NewLine}{exc}");
            }
            return fatto;
        }

        /// <summary>
        /// Salvataggio chiave in redis
        /// </summary>
        /// <param name="rKey"></param>
        /// <param name="rVal"></param>
        /// <param name="ttlSec"></param>
        /// <returns></returns>
        protected async Task<bool> setRSV(string rKey, string rVal, int ttlSec)
        {
            bool fatto = false;
            await redisDb.StringSetAsync(rKey, rVal, TimeSpan.FromSeconds(ttlSec));
            fatto = true;
            return fatto;
        }

        /// <summary>
        /// Salvataggio chiave in redis
        /// </summary>
        /// <param name="rKey"></param>
        /// <param name="rValInt"></param>
        /// <param name="ttlSec"></param>
        /// <returns></returns>
        protected async Task<bool> setRSV(string rKey, int rValInt, int ttlSec)
        {
            bool fatto = false;
            await redisDb.StringSetAsync(rKey, $"{rValInt}", TimeSpan.FromSeconds(ttlSec));
            fatto = true;
            return fatto;
        }

        /// <summary>
        /// Registra in cache chiave se non fosse già in elenco
        /// </summary>
        /// <param name="newKey"></param>
        protected void trackCache(string newKey)
        {
            if (!cachedDataList.Contains(newKey))
            {
                cachedDataList.Add(newKey);
            }
        }

        #endregion Protected Methods

        #region Private Fields

        /// <summary>
        /// Elenco obj in cache
        /// </summary>
        private List<string> cachedDataList = new List<string>();

        private Dictionary<string, bool> UserClaimsLUT = new Dictionary<string, bool>();

        /// <summary>
        /// data-ora veto registrazione di una nuova registrazione di snapshot installazioni attive al giorno corrente
        /// </summary>
        private DateTime VetoInstRelHistSnap = DateTime.Today;

        #endregion Private Fields
    }
}