Claude Opus 4.8
fa7ae033b5
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Revoking write access must terminate live sessions and let a user with pending offline edits export them rather than lose them silently. Backend (generic, reused by M5 grants #53): - packages/shared: POND_ACCESS_CHANGED_CHANNEL, the LISTEN/NOTIFY channel shared by api and collab. - api: PondAccessNotifier emits pg_notify(pond_access_changed, pondId) on a permission-relevant change; the single generic seam for revocation. Wired into pond soft-delete as the interim trigger (see==modify until #53). - collab: a dedicated-connection LISTEN listener (LISTEN is connection- bound, not pooled) that, on a notification, closes every open connection to the pond's open pages. Clients then reconnect and the api re-issues a token reflecting current access (downgrade to ro, or 403/404). Reconnects and re-LISTENs if its connection drops. Frontend: - use-collab-provider: a refused token (403/404) on (re)connect sets accessRevoked and stops the reconnect loop; exposes discardLocal. - AccessRevokedDialog: keeps local content visible and offers Markdown copy/download (derived from the live editor doc, so offline edits are included) and an explicit discard that clears IndexedDB. de+en strings. Tests: collab DB-backed integration test proves a direct NOTIFY closes a live session within seconds (AC1) and leaves unrelated ponds untouched; listener unit tests; api test asserts soft-delete fires the notifier; web test for the export Markdown derivation. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PGdhRiwU1WRL4XxJfZYipY
83 lines
2.8 KiB
TypeScript
83 lines
2.8 KiB
TypeScript
import type { Editor } from '@tiptap/react';
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import { useState } from 'react';
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import { useTranslation } from 'react-i18next';
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import { deriveMarkdownFromEditorJSON } from './derive-markdown';
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/**
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* Shown when edit access to the open page was revoked while the user had
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* unsynced changes (issue #39, realtime-collaboration.md §Offline). The local
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* content stays visible behind the dialog; the user can export it as Markdown
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* before losing it, and discards the device-local copy only on an explicit
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* choice.
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*/
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export function AccessRevokedDialog({
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editor,
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slug,
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onDiscard,
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}: {
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editor: Editor;
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slug: string;
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onDiscard: () => Promise<void>;
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}): React.JSX.Element {
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const { t } = useTranslation('editor');
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const [copyStatus, setCopyStatus] = useState<'idle' | 'copied' | 'error'>('idle');
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// Derive Markdown from the live editor doc, so it reflects the local edits
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// the server never received (see derive-markdown.ts for the schema handling).
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function currentMarkdown(): string {
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return deriveMarkdownFromEditorJSON(editor.getJSON());
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}
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async function copyMarkdown(): Promise<void> {
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try {
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await navigator.clipboard.writeText(currentMarkdown());
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setCopyStatus('copied');
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} catch {
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setCopyStatus('error');
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}
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setTimeout(() => setCopyStatus('idle'), 2000);
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}
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function downloadMarkdown(): void {
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const blob = new Blob([currentMarkdown()], { type: 'text/markdown;charset=utf-8' });
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const url = URL.createObjectURL(blob);
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const anchor = document.createElement('a');
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anchor.href = url;
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anchor.download = `${slug}.md`;
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document.body.append(anchor);
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anchor.click();
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anchor.remove();
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URL.revokeObjectURL(url);
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}
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async function discard(): Promise<void> {
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if (!window.confirm(t('accessRevoked.discardConfirm'))) return;
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await onDiscard();
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}
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return (
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<div
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className="editor-banner editor-banner--error access-revoked"
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role="alertdialog"
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aria-label={t('accessRevoked.title')}
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>
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<p className="access-revoked__title">{t('accessRevoked.title')}</p>
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<p className="access-revoked__description">{t('accessRevoked.description')}</p>
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<div className="access-revoked__actions">
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<button type="button" className="button" onClick={() => void copyMarkdown()}>
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{copyStatus === 'idle' && t('accessRevoked.copy')}
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{copyStatus === 'copied' && t('accessRevoked.copied')}
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{copyStatus === 'error' && t('accessRevoked.copyFailed')}
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</button>
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<button type="button" className="button" onClick={downloadMarkdown}>
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{t('accessRevoked.download')}
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</button>
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<button type="button" className="button" onClick={() => void discard()}>
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{t('accessRevoked.discard')}
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</button>
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</div>
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</div>
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);
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}
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