jesse-ux
5a4b87383f
Remove archive/restore from the session menu and drop archived=1 listing. PATCH still accepts archived_at from old bundles then ignores it. A forward migration clears archived_at without bumping updated_at. Delete stays unchanged.
64 lines
2.1 KiB
TypeScript
64 lines
2.1 KiB
TypeScript
const sessionIdPattern = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
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export const SESSION_PAGE_SIZE = 40;
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export const SESSION_PAGE_LIMIT_MIN = 1;
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export const SESSION_PAGE_LIMIT_MAX = 100;
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export type SessionCursor = {
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readonly updatedAt: string;
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readonly id: string;
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};
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export function clampSessionLimit(raw: string | null | undefined): number {
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if (raw == null || raw === "") return SESSION_PAGE_SIZE;
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const parsed = Number.parseInt(raw, 10);
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if (!Number.isFinite(parsed)) return SESSION_PAGE_SIZE;
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return Math.min(SESSION_PAGE_LIMIT_MAX, Math.max(SESSION_PAGE_LIMIT_MIN, Math.trunc(parsed)));
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}
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export function encodeSessionCursor(updatedAt: string, id: string): string {
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return `${updatedAt},${id}`;
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}
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export function parseSessionCursor(raw: string | null | undefined): SessionCursor | null {
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if (!raw) return null;
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const comma = raw.indexOf(",");
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if (comma <= 0 || comma === raw.length - 1) return null;
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const updatedAt = raw.slice(0, comma);
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const id = raw.slice(comma + 1);
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if (!Number.isFinite(Date.parse(updatedAt))) return null;
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if (!sessionIdPattern.test(id)) return null;
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return { updatedAt, id };
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}
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export function sessionCursorFilter(cursor: SessionCursor): string {
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const updatedAt = JSON.stringify(cursor.updatedAt);
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const id = JSON.stringify(cursor.id);
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return `updated_at.lt.${updatedAt},and(updated_at.eq.${updatedAt},id.lt.${id})`;
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}
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export function compareSessionCursor(
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left: SessionCursor,
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right: SessionCursor,
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): number {
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const time = Date.parse(right.updatedAt) - Date.parse(left.updatedAt);
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if (time !== 0) return time;
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return left.id < right.id ? 1 : left.id > right.id ? -1 : 0;
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}
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export function nextSessionCursor(
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rows: readonly { id: string; updated_at?: string; updatedAt?: string }[],
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limit: number,
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): string | null {
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if (rows.length <= limit) return null;
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const last = rows[limit - 1];
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if (!last) return null;
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const updatedAt = typeof last.updated_at === "string"
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? last.updated_at
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: typeof last.updatedAt === "string"
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? last.updatedAt
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: "";
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if (!updatedAt) return null;
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return encodeSessionCursor(updatedAt, last.id);
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}
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