1 files changed, 39 insertions, 0 deletions
diff --git a/MatrixUtils.RoomUpgradeCLI/Commands/ModifyCommand.cs b/MatrixUtils.RoomUpgradeCLI/Commands/ModifyCommand.cs
new file mode 100644
index 0000000..3860448
--- /dev/null
+++ b/MatrixUtils.RoomUpgradeCLI/Commands/ModifyCommand.cs
@@ -0,0 +1,39 @@
+using System.Text.Json;
+using ArcaneLibs.Extensions;
+using LibMatrix.Helpers;
+using LibMatrix.Homeservers;
+using MatrixUtils.RoomUpgradeCLI.Extensions;
+
+namespace MatrixUtils.RoomUpgradeCLI.Commands;
+
+public class ModifyCommand(ILogger<ModifyCommand> logger, IHost host, RuntimeContext ctx, AuthenticatedHomeserverGeneric hs) : IHostedService {
+    public async Task StartAsync(CancellationToken cancellationToken) {
+        if (ctx.Args.Length <= 2 || ctx.Args.Contains("--help")) {
+            await PrintHelp();
+            return;
+        }
+
+        var filename = ctx.Args[1];
+        if (filename.StartsWith("--")) {
+            Console.WriteLine("Filename cannot start with --, please provide a valid filename.");
+            await PrintHelp();
+        }
+
+        var rb = ctx.Args.Contains("--upgrade")
+            ? await JsonSerializer.DeserializeAsync<RoomUpgradeBuilder>(File.OpenRead(filename), cancellationToken: cancellationToken)
+            : await JsonSerializer.DeserializeAsync<RoomBuilder>(File.OpenRead(filename), cancellationToken: cancellationToken);
+        await rb!.ApplyRoomUpgradeCLIArgs(hs, ctx.Args[2..], isNewState: false);
+        await File.WriteAllTextAsync(filename, rb.ToJson(), cancellationToken);
+
+        await host.StopAsync(cancellationToken);
+    }
+
+    public async Task StopAsync(CancellationToken cancellationToken) { }
+
+    private async Task PrintHelp() {
+        Console.WriteLine("Usage: new [filename] [options]");
+        Console.WriteLine("Options:");
+
+        await host.StopAsync();
+    }
+}
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