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video style phase 2
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import { notebooksApi } from "../../api/endpoints";
import type { Doc, NotebookSummary } from "../../api/types";
/** The video wizard's step 1 lists, kept for the browser session (until a full reload) so re-opening the wizard
* shows them at once. Readers show what is cached, then refresh in the background through the loaders below. */
export const sourceCache = {
notebooks: null as NotebookSummary[] | null,
archiveId: null as string | null,
docs: new Map<string, Doc[]>(),
};
/** Forget everything, so one account never sees another's posts (called on log in and log out). */
export function clearSourceCache(): void {
sourceCache.notebooks = null;
sourceCache.archiveId = null;
sourceCache.docs.clear();
seededAt.clear();
}
export async function loadNotebooks(): Promise<NotebookSummary[]> {
const n = await notebooksApi.list();
sourceCache.notebooks = n;
return n;
}
export async function loadArchiveId(): Promise<string> {
const nb = await notebooksApi.archive();
sourceCache.archiveId = nb.id;
return nb.id;
}
/** A page that already holds a notebook's current posts (the notebook page) hands them over, so the video wizard
* shows them without loading them again. For a minute SourcePicker trusts them and skips its own refresh. */
const seededAt = new Map<string, number>();
const SEED_TRUST_MS = 60_000;
export function seedDocs(notebookId: string, docs: Doc[]): void {
sourceCache.docs.set(notebookId, docs);
seededAt.set(notebookId, Date.now());
}
export function freshlySeeded(notebookId: string): boolean {
const at = seededAt.get(notebookId);
return at !== undefined && Date.now() - at < SEED_TRUST_MS;
}
export async function loadDocs(notebookId: string): Promise<Doc[]> {
const nb = await notebooksApi.get(notebookId);
sourceCache.docs.set(notebookId, nb.documents);
return nb.documents;
}