codebase overhaul (#697)

1 files changed, 48 insertions, 0 deletions

diff --git a/apps/web/src/lib/commands/timeline/element/update-element-trim.ts b/apps/web/src/lib/commands/timeline/element/update-element-trim.ts
new file mode 100644
index 00000000..99c63287
--- /dev/null
+++ b/apps/web/src/lib/commands/timeline/element/update-element-trim.ts
@@ -0,0 +1,48 @@
+import { Command } from "@/lib/commands/base-command";
+import type { TimelineTrack } from "@/types/timeline";
+import { EditorCore } from "@/core";
+
+export class UpdateElementTrimCommand extends Command {
+	private savedState: TimelineTrack[] | null = null;
+
+	constructor(
+		private elementId: string,
+		private trimStart: number,
+		private trimEnd: number,
+		private startTime?: number,
+		private duration?: number,
+	) {
+		super();
+	}
+
+	execute(): void {
+		const editor = EditorCore.getInstance();
+		this.savedState = editor.timeline.getTracks();
+
+		const updatedTracks = this.savedState.map((track) => {
+			const newElements = track.elements.map((element) => {
+				if (element.id !== this.elementId) {
+					return element;
+				}
+
+				return {
+					...element,
+					trimStart: this.trimStart,
+					trimEnd: this.trimEnd,
+					startTime: this.startTime ?? element.startTime,
+					duration: this.duration ?? element.duration,
+				};
+			});
+			return { ...track, elements: newElements } as typeof track;
+		});
+
+		editor.timeline.updateTracks(updatedTracks);
+	}
+
+	undo(): void {
+		if (this.savedState) {
+			const editor = EditorCore.getInstance();
+			editor.timeline.updateTracks(this.savedState);
+		}
+	}
+}