Inizio conf servizi accesso dati

2022-02-14 15:55:06 +01:00
parent 9a33c3373f
commit d87262db13
7 changed files with 169 additions and 10 deletions
@@ -1,8 +1,78 @@
+using Microsoft.AspNetCore.Identity.UI.Services;
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Caching.Memory;
+using MP.MONO.Data.Controllers;
+using NLog;
+
 namespace MP.MONO.UI.Data
 {
-    public class CurrentDataService
+    public class CurrentDataService : IDisposable
    {

+        private static IConfiguration _configuration;
+        private static ILogger<CurrentDataService> _logger;
+        private static NLog.Logger Log = LogManager.GetCurrentClassLogger();
+        private readonly IEmailSender _emailSender;
+        private readonly IDistributedCache distributedCache;
+        private readonly IMemoryCache memoryCache;
+
+        public static MpDbController dbController;
+
+        /// <summary>
+        /// Durata assoluta massima della cache IN SECONDI
+        /// </summary>
+        private int chAbsExp = 60 * 5;
+
+        /// <summary>
+        /// Durata della cache IN SECONDI in modalità inattiva (non acceduta) prima di venire rimossa
+        /// NON estende oltre il tempo massimo di validità della cache (chAbsExp)
+        /// </summary>
+        private int chSliExp = 60 * 1;
+
+        public CurrentDataService(IConfiguration configuration, ILogger<CurrentDataService> logger, IMemoryCache memoryCache, IDistributedCache distributedCache, IEmailSender emailSender)
+        {
+            _logger = logger;
+            _configuration = configuration;
+            _emailSender = emailSender;
+            // conf cache
+            this.memoryCache = memoryCache;
+            this.distributedCache = distributedCache;
+            // conf DB
+            string connStr = _configuration.GetConnectionString("MP.MONO.Data");
+            if (string.IsNullOrEmpty(connStr))
+            {
+                _logger.LogError("ConnString empty!");
+            }
+            else
+            {
+                dbController = new MpDbController(configuration);
+                _logger.LogInformation("DbController OK");
+            }
+        }
+
+        private DistributedCacheEntryOptions cacheOpt(bool fastCache)
+        {
+            var numSecAbsExp = fastCache ? chAbsExp : chAbsExp * 10;
+            var numSecSliExp = fastCache ? chSliExp : chSliExp * 10;
+            return new DistributedCacheEntryOptions().SetAbsoluteExpiration(DateTime.Now.AddSeconds(numSecAbsExp)).SetSlidingExpiration(TimeSpan.FromSeconds(numSecSliExp));
+        }
+        public void Dispose()
+        {
+            // Clear database controller
+            dbController.Dispose();
+        }
+
+
+        /// <summary>
+        /// Hash Redis contenente i dati MP di una specifico TYPE (es StatusMacchina, StateMachineIngressi, ...)
+        /// </summary>
+        /// <param name="dataType"></param>
+        /// <returns></returns>
+        private static string mHash(string dataType)
+        {
+            return $"DATA:{dataType}";
+        }
+
        protected Dictionary<string, string> ParametersList { get; set; } = new Dictionary<string, string>();

        public async Task<Dictionary<string, string>> GetCurrentParameters()