server/generator/CoreIntegrationLogSweeper.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Sockeye.Models;
+
+namespace Sockeye.Biz
+{
+
+    /// <summary>
+    /// Clear out old integration log data
+    /// </summary>
+    internal static class CoreIntegrationLogSweeper
+    {
+        private static ILogger log = Sockeye.Util.ApplicationLogging.CreateLogger("CoreIntegrationLogSweeper");
+        private static DateTime lastSweep = DateTime.MinValue;
+        private static TimeSpan DELETE_AFTER_AGE = new TimeSpan(90, 0, 0, 0);//The same typical 90 days as everything uses
+        private static TimeSpan SWEEP_EVERY_INTERVAL = new TimeSpan(8, 0, 0);//once every 8 hours, three times a day
+
+        ////////////////////////////////////////////////////////////////////////////////////////////////
+        // DoSweep
+        //
+        public static async Task DoWorkAsync()
+        {
+            //This will get triggered roughly every minute, but we don't want to sweep that frequently
+            if (DateTime.UtcNow - lastSweep < SWEEP_EVERY_INTERVAL)
+                return;
+            DateTime dtDeleteCutoff = DateTime.UtcNow - DELETE_AFTER_AGE;
+            DateTime dtPastEventCutoff = DateTime.UtcNow - SWEEP_EVERY_INTERVAL;
+
+            log.LogDebug("Sweep starting");
+            using (AyContext ct = Sockeye.Util.ServiceProviderProvider.DBContext)
+            {                
+                await ct.Database.ExecuteSqlInterpolatedAsync($"delete from aintegrationlog where created < {dtDeleteCutoff}");
+
+            }
+            lastSweep = DateTime.UtcNow;
+        }
+
+
+
+        /////////////////////////////////////////////////////////////////////
+
+    }//eoc
+
+
+}//eons
+