File size: 2,520 Bytes
4e1096a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | import { Book, BookConfig, BookNote, BookDataRecord } from '@/types/book';
import { getAPIBaseUrl } from '@/services/environment';
import { getAccessToken } from '@/utils/access';
import { fetchWithTimeout } from '@/utils/fetch';
const SYNC_API_ENDPOINT = getAPIBaseUrl() + '/sync';
export type SyncType = 'books' | 'configs' | 'notes';
export type SyncOp = 'push' | 'pull' | 'both';
interface BookRecord extends BookDataRecord, Book {}
interface BookConfigRecord extends BookDataRecord, BookConfig {}
interface BookNoteRecord extends BookDataRecord, BookNote {}
export interface SyncResult {
books: BookRecord[] | null;
notes: BookNoteRecord[] | null;
configs: BookConfigRecord[] | null;
}
export type SyncRecord = BookRecord & BookConfigRecord & BookNoteRecord;
export interface SyncData {
books?: Partial<BookRecord>[];
notes?: Partial<BookNoteRecord>[];
configs?: Partial<BookConfigRecord>[];
}
export class SyncClient {
/**
* Pull incremental changes since a given timestamp (in ms).
* Returns updated or deleted records since that time.
*/
async pullChanges(
since: number,
type?: SyncType,
book?: string,
metaHash?: string,
): Promise<SyncResult> {
const token = await getAccessToken();
if (!token) throw new Error('Not authenticated');
const url = `${SYNC_API_ENDPOINT}?since=${encodeURIComponent(since)}&type=${type ?? ''}&book=${book ?? ''}&meta_hash=${metaHash ?? ''}`;
const res = await fetchWithTimeout(
url,
{
headers: {
Authorization: `Bearer ${token}`,
},
},
8000,
);
if (!res.ok) {
const error = await res.json();
throw new Error(`Failed to pull changes: ${error.error || res.statusText}`);
}
return res.json();
}
/**
* Push local changes to the server.
* Uses last-writer-wins logic as implemented on the server side.
*/
async pushChanges(payload: SyncData): Promise<SyncResult> {
const token = await getAccessToken();
if (!token) throw new Error('Not authenticated');
const res = await fetchWithTimeout(
SYNC_API_ENDPOINT,
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: `Bearer ${token}`,
},
body: JSON.stringify(payload),
},
8000,
);
if (!res.ok) {
const error = await res.json();
throw new Error(`Failed to push changes: ${error.error || res.statusText}`);
}
return res.json();
}
}
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