import { Stores } from "./types/dbTypes"; import { openDatabase, Database, Store, Index } from "./util/query"; /** * Name of the Taler database. The name includes the * major version of the DB schema. The version should be incremented * with each major change. When incrementing the major version, * the wallet should import data from the previous version. */ const TALER_DB_NAME = "taler-walletdb-v4"; /** * Current database minor version, should be incremented * each time we do minor schema changes on the database. * A change is considered minor when fields are added in a * backwards-compatible way or object stores and indices * are added. */ export const WALLET_DB_VERSION = 1; /** * Return a promise that resolves * to the taler wallet db. */ export function openTalerDatabase( idbFactory: IDBFactory, onVersionChange: () => void, ): Promise { const onUpgradeNeeded = ( db: IDBDatabase, oldVersion: number, newVersion: number, ): void => { switch (oldVersion) { case 0: // DB does not exist yet for (const n in Stores) { if ((Stores as any)[n] instanceof Store) { const si: Store = (Stores as any)[n]; const s = db.createObjectStore(si.name, si.storeParams); for (const indexName in si as any) { if ((si as any)[indexName] instanceof Index) { const ii: Index = (si as any)[indexName]; s.createIndex(ii.indexName, ii.keyPath, ii.options); } } } } break; default: throw Error("unsupported existig DB version"); } }; return openDatabase( idbFactory, TALER_DB_NAME, WALLET_DB_VERSION, onVersionChange, onUpgradeNeeded, ); } export function deleteTalerDatabase(idbFactory: IDBFactory): void { Database.deleteDatabase(idbFactory, TALER_DB_NAME); }