| 6 | import type { dataHashes } from './data-hashes'; |
| 7 | |
| 8 | export async function insertPageSnapshot(input: { |
| 9 | dataAbstraction: DataAbstraction<typeof dataHashes>; |
| 10 | |
| 11 | pageId: string; |
| 12 | authorId: string; |
| 13 | |
| 14 | encryptedSymmetricKey: Uint8Array; |
| 15 | encryptedData: Uint8Array; |
| 16 | |
| 17 | type: PageSnapshotType; |
| 18 | |
| 19 | dtrx: DataTransaction; |
| 20 | }) { |
| 21 | const pageSnapshotInfos: PageSnapshotInfo[] = |
| 22 | await input.dataAbstraction.hget('page-snapshots', input.pageId, 'infos'); |
| 23 | |
| 24 | const pageSnapshot = await PageSnapshotModel.query(input.dtrx.trx) |
| 25 | .insert({ |
| 26 | page_id: input.pageId, |
| 27 | encrypted_symmetric_key: input.encryptedSymmetricKey, |
| 28 | encrypted_data: input.encryptedData, |
| 29 | author_id: input.authorId, |
| 30 | type: input.type, |
| 31 | }) |
| 32 | .returning(['id', 'creation_date']); |
| 33 | |
| 34 | // Add new snapshot |
| 35 | |
| 36 | pageSnapshotInfos.unshift({ |
| 37 | id: pageSnapshot.id, |
| 38 | creationDate: pageSnapshot.creation_date, |
| 39 | authorId: pageSnapshot.author_id, |
| 40 | type: pageSnapshot.type, |
| 41 | }); |
| 42 | |
| 43 | // Trim excess snapshots |
| 44 | |
| 45 | const deletedSnapshotIds: string[] = []; |
| 46 | |
| 47 | while ( |
| 48 | pageSnapshotInfos.length > 10 && |
| 49 | new Date() > addDays(pageSnapshotInfos.at(-1)!.creationDate, 14) |
| 50 | ) { |
| 51 | deletedSnapshotIds.push(pageSnapshotInfos.pop()!.id); |
| 52 | } |
| 53 | |
| 54 | await PageSnapshotModel.query(input.dtrx.trx) |
| 55 | .whereIn('id', deletedSnapshotIds) |
| 56 | .delete(); |
| 57 | |
| 58 | // Update page snapshot infos |
| 59 | |
| 60 | await input.dataAbstraction.hmset( |
| 61 | 'page-snapshots', |
| 62 | input.pageId, |
| 63 | { infos: pageSnapshotInfos }, |
| 64 | { dtrx: input.dtrx }, |
| 65 | ); |