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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>;
export class V2toV3Migration extends StorageMigration {
from = 2;
to = 3;
async run(): Promise<void> {
const projectsAdapter = new IndexedDBAdapter<unknown>(
"video-editor-projects",
"projects",
1,
);
const projects = await projectsAdapter.getAll();
for (const project of projects) {
if (!isRecord(project)) {
continue;
}
const projectId = getProjectId({ project });
if (!projectId) {
continue;
}
if (isV3Project({ project })) {
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);
}
}
}
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;
}
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