Added an admin command to set a user's right

KfChatDotNetBot/Commands/AdminCommands.cs

@@ -0,0 +1,35 @@
+using System.Text.RegularExpressions;
+using Humanizer;
+using KfChatDotNetBot.Models.DbModels;
+using KfChatDotNetWsClient.Models.Events;
+using Microsoft.EntityFrameworkCore;
+
+namespace KfChatDotNetBot.Commands;
+
+public class SetRightCommand : ICommand
+{
+    public List<Regex> Patterns => [
+        new Regex(@"^admin role set (?<user>\d+) (?<right>\d+)$"),
+        new Regex(@"^admin right set (?<user>\d+) (?<right>\d+)$")
+    ];
+
+    public string? HelpText => "Set a user's right";
+    public UserRight RequiredRight => UserRight.Admin;
+    public TimeSpan Timeout => TimeSpan.FromSeconds(10);
+    public async Task RunCommand(ChatBot botInstance, MessageModel message, UserDbModel user, GroupCollection arguments, CancellationToken ctx)
+    {
+        await using var db = new ApplicationDbContext();
+        var targetUserId = Convert.ToInt32(arguments["user"].Value);
+        var right = (UserRight)Convert.ToInt32(arguments["right"].Value);
+        var targetUser = await db.Users.FirstOrDefaultAsync(u => u.KfId == targetUserId, cancellationToken: ctx);
+        if (targetUser == null)
+        {
+            botInstance.SendChatMessage($"User '{targetUserId}' does not exist", true);
+            return;
+        }
+
+        targetUser.UserRight = right;
+        await db.SaveChangesAsync(ctx);
+        botInstance.SendChatMessage($"@{message.Author.Username}, {targetUser.KfUsername}'s right set to {right.Humanize()}", true);
+    }
+}