diff --git a/MatrixContentFilter/Commands/BanCommand.cs b/MatrixContentFilter/Commands/BanCommand.cs
new file mode 100644
index 0000000..0ae38e2
--- /dev/null
+++ b/MatrixContentFilter/Commands/BanCommand.cs
@@ -0,0 +1,97 @@
+using LibMatrix.Helpers;
+using LibMatrix.RoomTypes;
+using LibMatrix.Utilities.Bot.Interfaces;
+using MatrixContentFilter.Services;
+using MatrixContentFilter.Services.AsyncActionQueues;
+
+namespace MatrixContentFilter.Commands;
+
+public class BanCommand(
+ ConfigurationService filterConfigService,
+ AsyncMessageQueue msgQueue,
+ InfoCacheService infoCache,
+ ConfigurationService cfgService,
+ AbstractAsyncActionQueue actionQueue
+) : ICommand {
+ public string Name { get; } = "ban";
+ public string[]? Aliases { get; } = [];
+ public string Description { get; } = "Ban user (see --help)";
+ public bool Unlisted { get; } = false;
+
+ public async Task Invoke(CommandContext ctx) {
+ bool HasMoreArgs(int index) => ctx.Args.Length > index + 1;
+ if (ctx.Args.Contains("--help") || ctx.Args.Length == 0) {
+ await SendHelp(ctx.Room);
+ return;
+ }
+
+ BanCommandArgs args = new() {
+ UserId = null,
+ Reason = null
+ };
+
+ // if (ctx.Args.Contains("--redact")) {
+ // var index = Array.IndexOf(ctx.Args, "--redact");
+ // if (HasMoreArgs(index)) {
+ // args.Redact = int.TryParse(ctx.Args[index + 1], out var redact) ? redact : 500;
+ // }
+ // }
+
+ for (int i = 0; i < ctx.Args.Length; i++) {
+ if (ctx.Args[i].StartsWith("--")) {
+ switch (ctx.Args[i]) {
+ case "--redact": {
+ if (HasMoreArgs(i)) {
+ // args.Redact = int.TryParse(ctx.Args[i + 1], out var redact) ? redact : 500;
+ if (int.TryParse(ctx.Args[i + 1], out var redact)) {
+ args.Redact = redact;
+ i++;
+ }
+ else args.Redact = 500;
+ }
+
+ break;
+ }
+ }
+ }
+ else if (args.UserId == null) {
+ args.UserId = ctx.Args[i];
+ }
+ else args.Reason += ctx.Args[i] + " ";
+ }
+ }
+
+ private async Task SendHelp(GenericRoom room) {
+ string[][] helpTable = [
+ ["--help", "", "Show this message"],
+ ["--redact", "count ?? 500", "Redact last N events from user"],
+ ["user_id", "required", "User ID to ban"],
+ ["reason", "required", "Reason for ban"],
+ ];
+ var msb = new MessageBuilder("m.notice")
+ .WithTable(tb => {
+ tb.WithTitle("Help for ban command", 3)
+ .WithTitle("Basic usage: ban [options] user_id reason", 3)
+ .WithRow(rb =>
+ rb.WithCell("Command")
+ .WithCell("Arguments")
+ .WithCell("Description")
+ );
+ foreach (var row in helpTable) {
+ tb.WithRow(rb =>
+ rb.WithCell(row[0])
+ .WithCell(row[1])
+ .WithCell(row[2])
+ );
+ }
+ });
+
+ await room.SendMessageEventAsync(msb.Build());
+ }
+
+ private struct BanCommandArgs {
+ public string UserId { get; set; }
+ public string? Reason { get; set; }
+ public int? Redact { get; set; }
+ }
+}
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