Add banlist command (#3163)

* Add banlist command

* Fix up args

Content.Server/Administration/Commands/BanCommand.cs

@@ -48,7 +48,7 @@ namespace Content.Server.Administration.Commands
                 expires = DateTimeOffset.Now + TimeSpan.FromMinutes(duration);
             }
 
-            await dbMan.AddServerBanAsync(new ServerBanDef(targetUid, null, DateTimeOffset.Now, expires, reason, player?.UserId));
+            await dbMan.AddServerBanAsync(new ServerBanDef(null, targetUid, null, DateTimeOffset.Now, expires, reason, player?.UserId));
 
             if (plyMgr.TryGetSessionById(targetUid, out var targetPlayer))
             {

Content.Server/Administration/Commands/BanListCommand.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Text;
+using Content.Server.Database;
+using Content.Shared.Administration;
+using Robust.Server.Player;
+using Robust.Shared.Console;
+using Robust.Shared.IoC;
+using Robust.Shared.Network;
+
+namespace Content.Server.Administration.Commands
+{
+    [AdminCommand(AdminFlags.Ban)]
+    public class BanListCommand : IConsoleCommand
+    {
+        public string Command => "banlist";
+        public string Description => "Lists somebody's bans";
+        public string Help => "Usage: <name or user ID>";
+
+        public async void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            if (args.Length != 1)
+            {
+                shell.WriteLine($"Invalid amount of args. {Help}");
+                return;
+            }
+
+            var plyMgr = IoCManager.Resolve<IPlayerManager>();
+            var dbMan = IoCManager.Resolve<IServerDbManager>();
+
+            var target = args[0];
+            NetUserId targetUid;
+
+            if (plyMgr.TryGetSessionByUsername(target, out var targetSession))
+            {
+                targetUid = targetSession.UserId;
+            }
+            else if (Guid.TryParse(target, out var targetGuid))
+            {
+                targetUid = new NetUserId(targetGuid);
+            }
+            else
+            {
+                shell.WriteLine("Unable to find user with that name.");
+                return;
+            }
+
+            var bans = await dbMan.GetServerBansAsync(null, targetUid);
+
+            if (bans.Count == 0)
+            {
+                shell.WriteLine("That user has no bans in their record.");
+                return;
+            }
+
+            var bansString = new StringBuilder("Bans in record:\n");
+
+            foreach (var ban in bans)
+            {
+                bansString
+                    .Append("Ban ID: ")
+                    .Append(ban.Id)
+                    .Append("\n")
+                    .Append("Banned in ")
+                    .Append(ban.BanTime);
+
+                if (ban.ExpirationTime == null)
+                {
+                    bansString.Append(".");
+                }
+                else
+                {
+                    bansString
+                        .Append(" until ")
+                        .Append(ban.ExpirationTime.Value)
+                        .Append(".");
+                }
+
+                bansString.Append("\n");
+
+                bansString
+                    .Append("Reason: ")
+                    .Append(ban.Reason)
+                    .Append("\n\n");
+            }
+
+            shell.WriteLine(bansString.ToString());
+        }
+    }
+}