1 files changed, 88 insertions, 0 deletions
diff --git a/apps/web/src/services/storage/migrations/transformers/v5-to-v6.ts b/apps/web/src/services/storage/migrations/transformers/v5-to-v6.ts
new file mode 100644
index 00000000..ca855149
--- /dev/null
+++ b/apps/web/src/services/storage/migrations/transformers/v5-to-v6.ts
@@ -0,0 +1,88 @@
+import type { MigrationResult, ProjectRecord } from "./types";
+import { getProjectId, isRecord } from "./utils";
+
+export function transformProjectV5ToV6({
+	project,
+}: {
+	project: ProjectRecord;
+}): MigrationResult<ProjectRecord> {
+	const projectId = getProjectId({ project });
+	if (!projectId) {
+		return { project, skipped: true, reason: "no project id" };
+	}
+
+	if (isV6Project({ project })) {
+		return { project, skipped: true, reason: "already v6" };
+	}
+
+	const migratedProject = migrateProjectBookmarks({ project });
+
+	return {
+		project: {
+			...migratedProject,
+			version: 6,
+		},
+		skipped: false,
+	};
+}
+
+function migrateProjectBookmarks({
+	project,
+}: {
+	project: ProjectRecord;
+}): ProjectRecord {
+	const scenesValue = project.scenes;
+	if (!Array.isArray(scenesValue)) {
+		return project;
+	}
+
+	let hasSceneChanges = false;
+	const migratedScenes = scenesValue.map((scene) => {
+		const migratedScene = migrateSceneBookmarks({ scene });
+		if (migratedScene !== scene) {
+			hasSceneChanges = true;
+		}
+		return migratedScene;
+	});
+
+	if (!hasSceneChanges) {
+		return project;
+	}
+
+	return {
+		...project,
+		scenes: migratedScenes,
+	};
+}
+
+function migrateSceneBookmarks({ scene }: { scene: unknown }): unknown {
+	if (!isRecord(scene)) {
+		return scene;
+	}
+
+	const bookmarksValue = scene.bookmarks;
+	if (!Array.isArray(bookmarksValue)) {
+		return scene;
+	}
+
+	const needsMigration = bookmarksValue.some(
+		(bookmark) => typeof bookmark === "number",
+	);
+	if (!needsMigration) {
+		return scene;
+	}
+
+	const migratedBookmarks = bookmarksValue.map((bookmark) =>
+		typeof bookmark === "number" ? { time: bookmark } : bookmark,
+	);
+
+	return {
+		...scene,
+		bookmarks: migratedBookmarks,
+	};
+}
+
+function isV6Project({ project }: { project: ProjectRecord }): boolean {
+	const versionValue = project.version;
+	return typeof versionValue === "number" && versionValue >= 6;
+}