I don't know what I'm doing anymore

Sledgemapper.Api/Commands/BaseCommand.cs

@@ -0,0 +1,19 @@
+using MediatR;
+using System;
+
+namespace Sledgemapper.Api.Commands
+{
+    public abstract class BaseCommand<T>  : IRequest<T>
+    {
+        public double Timestamp { get; private set; }
+        public string SessionName { get; private set; }
+        public int UserId { get; set; }
+
+        public BaseCommand(string sessionName, int userId)
+        {
+            Timestamp = DateTimeOffset.Now.ToUnixTimeMilliseconds();
+            SessionName = sessionName;
+            UserId=userId;
+        }
+    }
+}

Sledgemapper.Api/Commands/NewSessionCommand.cs

@@ -2,14 +2,10 @@ using MediatR;
 
 namespace Sledgemapper.Api.Commands
 {
-    public class NewSessionCommand : IRequest<bool>
+    public class NewSessionCommand : BaseCommand<bool>
     {
-        public string SessionName { get; set; }
-        public int UserId { get; }
-        public NewSessionCommand(string sessionName, int userId)
+        public NewSessionCommand(string sessionName, int userId):base(sessionName, userId)
         {
-            SessionName = sessionName;
-            UserId = userId;
         }
     }
 }

Sledgemapper.Api/Commands/SaveNewTileCommand.cs

@@ -0,0 +1,47 @@
+using System.Transactions;
+using System.Net.Mail;
+using MediatR;
+using Sledgemapper.Api.Data;
+using Sledgemapper.Shared.Entities;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+using Sledgemapper.Api.Handlers;
+
+namespace Sledgemapper.Api.Commands
+{
+public class SaveNewTileCommand:BaseCommand<bool>
+{
+    public Tile Tile {get;set;}
+    public SaveNewTileCommand(string sessionName, Tile tile, int userId):base(sessionName, userId){
+        Tile=tile;
+    }
+}
+
+    public class SaveNewTileCommandHandler : IRequestHandler<SaveNewTileCommand, bool>
+    {
+        private readonly MyDbContext _dbcontext;
+private readonly IMediator _mediator;
+
+        public SaveNewTileCommandHandler(IMediator mediator, MyDbContext dbcontext){ _dbcontext = dbcontext; _mediator= mediator;}
+
+        public async Task<bool> Handle(SaveNewTileCommand notification, CancellationToken cancellationToken)
+        {
+            var jsonString = JsonSerializer.Serialize<Tile>(notification.Tile);
+
+            _dbcontext.MapLogs.Add(new Sledgemapper.Api.Models.MapLog
+            {
+                Operation = "N",
+                SessionName = notification.SessionName,
+                Type = "T",
+                Timestamp = notification.Timestamp,
+                Object = jsonString
+            });
+            await _dbcontext.SaveChangesAsync();
+            await _mediator.Publish(new NewTileNotification(notification.SessionName, notification.Tile));
+            return true;
+        }
+
+ 
+    }
+}