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authorFlorian Dold <florian.dold@gmail.com>2016-11-15 15:07:17 +0100
committerFlorian Dold <florian.dold@gmail.com>2016-11-15 15:07:17 +0100
commitded02bf11f31c7b9d9cf8b2c863485a491b4c0ae (patch)
treef6106f1aba8fabecd42e06308b3d5c69243398db /src/db.ts
parenta92b7dc0df64ce647ba55315c386e1bf447e3528 (diff)
downloadwallet-core-ded02bf11f31c7b9d9cf8b2c863485a491b4c0ae.tar.xz
renaming / dce
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diff --git a/src/db.ts b/src/db.ts
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-/*
- This file is part of TALER
- (C) 2016 GNUnet e.V.
-
- TALER is free software; you can redistribute it and/or modify it under the
- terms of the GNU General Public License as published by the Free Software
- Foundation; either version 3, or (at your option) any later version.
-
- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along with
- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
- */
-
-"use strict";
-import {IExchangeInfo} from "./types";
-
-/**
- * Declarations and helpers for
- * things that are stored in the wallet's
- * database.
- * @module Db
- * @author Florian Dold
- */
-
-const DB_NAME = "taler";
-const DB_VERSION = 11;
-
-import {Stores} from "./wallet";
-import {Store, Index} from "./query";
-
-
-
-
-
-/**
- * Return a promise that resolves
- * to the taler wallet db.
- */
-export function openTalerDb(): Promise<IDBDatabase> {
- return new Promise((resolve, reject) => {
- const req = indexedDB.open(DB_NAME, DB_VERSION);
- req.onerror = (e) => {
- reject(e);
- };
- req.onsuccess = (e) => {
- resolve(req.result);
- };
- req.onupgradeneeded = (e) => {
- const db = req.result;
- console.log("DB: upgrade needed: oldVersion = " + e.oldVersion);
- switch (e.oldVersion) {
- case 0: // DB does not exist yet
-
- for (let n in Stores) {
- if ((Stores as any)[n] instanceof Store) {
- let si: Store<any> = (Stores as any)[n];
- const s = db.createObjectStore(si.name, si.storeParams);
- for (let indexName in (si as any)) {
- if ((si as any)[indexName] instanceof Index) {
- let ii: Index<any,any> = (si as any)[indexName];
- s.createIndex(ii.indexName, ii.keyPath);
- }
- }
- }
- }
- break;
- default:
- if (e.oldVersion != DB_VERSION) {
- window.alert("Incompatible wallet dababase version, please reset" +
- " db.");
- chrome.browserAction.setBadgeText({text: "err"});
- chrome.browserAction.setBadgeBackgroundColor({color: "#F00"});
- throw Error("incompatible DB");
- }
- break;
- }
- };
- });
-}
-
-
-export function exportDb(db: IDBDatabase): Promise<any> {
- let dump = {
- name: db.name,
- version: db.version,
- stores: {} as {[s: string]: any},
- };
-
- return new Promise((resolve, reject) => {
-
- let tx = db.transaction(Array.from(db.objectStoreNames));
- tx.addEventListener("complete", () => {
- resolve(dump);
- });
- for (let i = 0; i < db.objectStoreNames.length; i++) {
- let name = db.objectStoreNames[i];
- let storeDump = {} as {[s: string]: any};
- dump.stores[name] = storeDump;
- let store = tx.objectStore(name)
- .openCursor()
- .addEventListener("success", (e: Event) => {
- let cursor = (e.target as any).result;
- if (cursor) {
- storeDump[cursor.key] = cursor.value;
- cursor.continue();
- }
- });
- }
- });
-}
-
-export function deleteDb() {
- indexedDB.deleteDatabase(DB_NAME);
-}