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| import { openDB } from "idb"; | |
| import type { MetricsPoint, TranscriptSegment } from "@video/shared"; | |
| import type { DocumentBlock } from "@/lib/documentReader"; | |
| export type SessionDraftDocument = { | |
| name: string; | |
| mimeType: string; | |
| blocks: DocumentBlock[]; | |
| file: Blob; | |
| }; | |
| export type SessionDraft = { | |
| id: string; | |
| createdAt: string; | |
| prompt: string; | |
| mode: string; | |
| goal: string; | |
| durationMs: number; | |
| transcript: TranscriptSegment[]; | |
| metrics: MetricsPoint[]; | |
| chunks: Blob[]; | |
| document?: SessionDraftDocument | null; | |
| }; | |
| const DB_NAME = "video-coach"; | |
| const STORE = "drafts"; | |
| const isBrowser = typeof window !== "undefined" && typeof indexedDB !== "undefined"; | |
| let dbPromise: ReturnType<typeof openDB> | null = null; | |
| const getDb = () => { | |
| if (!isBrowser) return null; | |
| if (!dbPromise) { | |
| dbPromise = openDB(DB_NAME, 1, { | |
| upgrade(db) { | |
| if (!db.objectStoreNames.contains(STORE)) { | |
| db.createObjectStore(STORE, { keyPath: "id" }); | |
| } | |
| }, | |
| }); | |
| } | |
| return dbPromise; | |
| }; | |
| export const saveDraft = async (draft: SessionDraft) => { | |
| const db = getDb(); | |
| if (!db) return; | |
| const instance = await db; | |
| await instance.put(STORE, draft); | |
| }; | |
| export const loadDraft = async (id: string) => { | |
| const db = getDb(); | |
| if (!db) return null; | |
| const instance = await db; | |
| return instance.get(STORE, id); | |
| }; | |
| export const deleteDraft = async (id: string) => { | |
| const db = getDb(); | |
| if (!db) return; | |
| const instance = await db; | |
| return instance.delete(STORE, id); | |
| }; | |