codebase overhaul (#697)

1 files changed, 44 insertions, 0 deletions

diff --git a/apps/web/src/core/managers/commands.ts b/apps/web/src/core/managers/commands.ts
new file mode 100644
index 00000000..d996a30e
--- /dev/null
+++ b/apps/web/src/core/managers/commands.ts
@@ -0,0 +1,44 @@
+import type { Command } from "@/lib/commands";
+
+export class CommandManager {
+	private history: Command[] = [];
+	private redoStack: Command[] = [];
+
+	execute({ command }: { command: Command }): Command {
+		command.execute();
+		this.history.push(command);
+		this.redoStack = [];
+		return command;
+	}
+
+	undo(): void {
+		if (this.history.length === 0) return;
+		const command = this.history.pop();
+		command?.undo();
+		if (command) {
+			this.redoStack.push(command);
+		}
+	}
+
+	redo(): void {
+		if (this.redoStack.length === 0) return;
+		const command = this.redoStack.pop();
+		command?.redo();
+		if (command) {
+			this.history.push(command);
+		}
+	}
+
+	canUndo(): boolean {
+		return this.history.length > 0;
+	}
+
+	canRedo(): boolean {
+		return this.redoStack.length > 0;
+	}
+
+	clear(): void {
+		this.history = [];
+		this.redoStack = [];
+	}
+}