1 files changed, 10 insertions, 64 deletions

diff --git a/apps/web/src/services/storage/migrations/v2-to-v3.ts b/apps/web/src/services/storage/migrations/v2-to-v3.ts
index eb6db26d..100dc572 100644
--- a/apps/web/src/services/storage/migrations/v2-to-v3.ts
+++ b/apps/web/src/services/storage/migrations/v2-to-v3.ts
@@ -1,9 +1,6 @@
-import { getProjectDurationFromScenes } from "@/lib/scenes";
 import { IndexedDBAdapter } from "@/services/storage/indexeddb-adapter";
-import type { TScene } from "@/types/timeline";
 import { StorageMigration } from "./base";
-
-type ProjectRecord = Record<string, unknown>;
+import { getProjectId, transformProjectV2ToV3 } from "./transformers/v2-to-v3";
 
 export class V2toV3Migration extends StorageMigration {
 	from = 2;
@@ -18,75 +15,24 @@ export class V2toV3Migration extends StorageMigration {
 		const projects = await projectsAdapter.getAll();
 
 		for (const project of projects) {
-			if (!isRecord(project)) {
+			if (typeof project !== "object" || project === null) {
 				continue;
 			}
 
-			const projectId = getProjectId({ project });
-			if (!projectId) {
+			const result = transformProjectV2ToV3({
+				project: project as Record<string, unknown>,
+			});
+
+			if (result.skipped) {
 				continue;
 			}
 
-			if (isV3Project({ project })) {
+			const projectId = getProjectId({ project: result.project });
+			if (!projectId) {
 				continue;
 			}
 
-			const scenes = getScenes({ project });
-			const duration = getProjectDurationFromScenes({ scenes });
-
-			const metadataValue = project.metadata;
-			const metadata = isRecord(metadataValue)
-				? { ...metadataValue, duration }
-				: { duration };
-
-			const migratedProject = {
-				...project,
-				metadata,
-				version: 3,
-			};
-
-			await projectsAdapter.set(projectId, migratedProject);
+			await projectsAdapter.set(projectId, result.project);
 		}
 	}
 }
-
-function getProjectId({ project }: { project: ProjectRecord }): string | null {
-	const idValue = project.id;
-	if (typeof idValue === "string" && idValue.length > 0) {
-		return idValue;
-	}
-
-	const metadataValue = project.metadata;
-	if (!isRecord(metadataValue)) {
-		return null;
-	}
-
-	const metadataId = metadataValue.id;
-	if (typeof metadataId === "string" && metadataId.length > 0) {
-		return metadataId;
-	}
-
-	return null;
-}
-
-function getScenes({ project }: { project: ProjectRecord }): TScene[] {
-	const scenesValue = project.scenes;
-	if (!Array.isArray(scenesValue)) {
-		return [];
-	}
-
-	return scenesValue.filter(isRecord) as unknown as TScene[];
-}
-
-function isV3Project({ project }: { project: ProjectRecord }): boolean {
-	const versionValue = project.version;
-	if (typeof versionValue === "number" && versionValue >= 3) {
-		return true;
-	}
-
-	return isRecord(project.metadata) && typeof project.metadata.duration === "number";
-}
-
-function isRecord(value: unknown): value is ProjectRecord {
-	return typeof value === "object" && value !== null;
-}