Improved logging system.

SharpChat/Context.cs

@@ -1,3 +1,4 @@
+using Microsoft.Extensions.Logging;
 using SharpChat.Channels;
 using SharpChat.Events;
 using SharpChat.Messages;
@@ -6,6 +7,7 @@ using SharpChat.SockChat;
 using SharpChat.SockChat.S2CPackets;
 using System.Dynamic;
 using System.Net;
+using ZLogger;
 
 namespace SharpChat;
 
@@ -14,6 +16,9 @@ public class Context {
 
     public readonly SemaphoreSlim ContextAccess = new(1, 1);
 
+    public ILoggerFactory LoggerFactory { get; }
+    private readonly ILogger Logger;
+
     public SnowflakeGenerator SnowflakeGenerator { get; } = new();
     public RandomSnowflake RandomSnowflake { get; }
 
@@ -25,7 +30,9 @@ public class Context {
     public Dictionary<string, RateLimiter> UserRateLimiters { get; } = [];
     public Dictionary<string, Channel> UserLastChannel { get; } = [];
 
-    public Context(MessageStorage msgs) {
+    public Context(ILoggerFactory logFactory, MessageStorage msgs) {
+        LoggerFactory = logFactory;
+        Logger = logFactory.CreateLogger("ctx");
         Messages = msgs;
         RandomSnowflake = new(SnowflakeGenerator);
     }
@@ -86,15 +93,15 @@ public class Context {
     public async Task Update() {
         foreach(Connection conn in Connections)
             if(!conn.IsDisposed && conn.HasTimedOut) {
+                conn.Logger.ZLogInformation($"Nuking connection associated with user {conn.User?.UserId ?? "no-one"}");
                 conn.Dispose();
-                Logger.Write($"Nuked connection {conn.Id} associated with {conn.User}.");
             }
 
         Connections.RemoveWhere(conn => conn.IsDisposed);
 
         foreach(User user in Users)
             if(!Connections.Any(conn => conn.User == user)) {
-                Logger.Write($"Timing out {user} (no more connections).");
+                Logger.ZLogInformation($"Timing out user {user.UserId} (no more connections).");
                 await HandleDisconnect(user, UserDisconnectS2CPacket.Reason.TimeOut);
             }
     }
@@ -140,8 +147,6 @@ public class Context {
         UserPermissions? perms = null,
         bool silent = false
     ) {
-        ArgumentNullException.ThrowIfNull(user);
-
         bool hasChanged = false;
         string previousName = string.Empty;
 
@@ -313,8 +318,6 @@ public class Context {
     }
 
     public async Task ForceChannel(User user, Channel? chan = null) {
-        ArgumentNullException.ThrowIfNull(user);
-
         if(chan == null && !UserLastChannel.TryGetValue(user.UserId, out chan))
             throw new ArgumentException("no channel???");