mapo-core/MP.Mon/Data/MpDataService.cs

using MP.Data.Conf;
using MP.Data.DatabaseModels;
using Newtonsoft.Json;
using NLog;
using StackExchange.Redis;
using System.Text;

namespace MP.Mon.Data
{
    public class MpDataService : IDisposable
    {
        #region Public Fields

        public static MP.Data.Controllers.MpMonController dbController;

        #endregion Public Fields

        #region Private Fields

        private static IConfiguration _configuration;
        private static ILogger<MpDataService> _logger;

        private static NLog.Logger Log = LogManager.GetCurrentClassLogger();

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

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

        #endregion Private Fields

        #region Public Constructors

        public MpDataService(IConfiguration configuration, ILogger<MpDataService> logger)
        {
            _logger = logger;
            _configuration = configuration;

            // setup conf IOB da dizionario
            tryLoadIobTags();

            // setup compoenti REDIS
            this.redisConn = ConnectionMultiplexer.Connect(_configuration.GetConnectionString("Redis"));
            this.redisDb = this.redisConn.GetDatabase();
            //// setup canali pub/sub
            //actLogPipe = new MessagePipe(redisConn, Constants.ACT_LOG_M_QUEUE);

            // conf DB
            string connStr = _configuration.GetConnectionString("Mp.Mon");
            if (string.IsNullOrEmpty(connStr))
            {
                _logger.LogError("ConnString empty!");
            }
            else
            {
                dbController = new MP.Data.Controllers.MpMonController(configuration);
                StringBuilder sb = new StringBuilder();
                sb.AppendLine($"DbController OK");
                //sb.AppendLine($"CST: {dbController.CustomersCount()} | CNT: {dbController.CountersCount()} | BSK: {dbController.BasketsCount()} | NGT: {dbController.NegotiationsCount()} | DOC: {dbController.DocsCount()} | ITM: {dbController.ItemsCount()} | RES: {dbController.ResourcesCount()}");
                _logger.LogInformation(sb.ToString());
            }
        }

        #endregion Public Constructors

        #region Public Properties

        /// <summary>
        /// Dizionario dei tag configurati per IOB
        /// </summary>
        public Dictionary<string, List<TagData>> currTagConf { get; set; } = new Dictionary<string, List<TagData>>();

        #endregion Public Properties

        #region Public Methods

        public Task<List<ConfigModel>> ConfigGetAll()
        {
            return Task.FromResult(dbController.ConfigGetAll().ToList());
        }

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

        /// <summary>
        /// restituisce il valore da REDIS associato al tag richeisto
        /// </summary>
        /// <param name="redKey">Chiave in cui cercare il valore</param>
        /// <returns></returns>
        public string getTagConf(string redKey)
        {
            string outVal = "";
            // cerco in REDIS la conf x l'IOB
            string rawData = redisDb.StringGet(redKey);
            if (!string.IsNullOrEmpty(rawData))
            {
                outVal = rawData;
            }
            return outVal;
        }

        public Task<List<Macchine>> MacchineGetAll()
        {
            return Task.FromResult(dbController.MacchineGetAll().ToList());
        }

        public Task<List<MappaStatoExpl>> MseGetAll()
        {
            var dbResult = dbController.MseGetAll();
            if (dbResult == null)
            {
                dbResult = new List<MappaStatoExpl>();
            }
            return Task.FromResult(dbResult);
        }

        #endregion Public Methods

        #region Private Methods

        /// <summary>
        /// Prova a caricare da file la conf degli IOB se presente
        /// </summary>
        private void tryLoadIobTags()
        {
            Dictionary<string, List<TagData>> currConf = new Dictionary<string, List<TagData>>();
            string strExeFilePath = System.Reflection.Assembly.GetExecutingAssembly().Location;
            if (!string.IsNullOrEmpty(strExeFilePath))
            {
                string? strWorkPath = Path.GetDirectoryName(strExeFilePath);
                if (!string.IsNullOrEmpty(strWorkPath))
                {
                    string filePath = $"{strWorkPath}/Conf/iobTagsConf.json";
                    if (File.Exists(filePath))
                    {
                        string rawData = File.ReadAllText(filePath);
                        if (!string.IsNullOrEmpty(rawData))
                        {
                            var fileConfData = JsonConvert.DeserializeObject<IobTags>(rawData);
                            if (fileConfData != null)
                            {
                                currConf = fileConfData.IobSetup;
                            }
                        }
                    }
                    if (currConf != null)
                    {
                        currTagConf = currConf;
                    }
                }
            }
        }

        #endregion Private Methods
    }
}