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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
This file is part of GNU Taler
(C) 2021 Taler Systems S.A.
GNU 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.
GNU 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
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Imports.
*/
import { IDBDatabase, IDBFactory, IDBTransaction } from "@gnu-taler/idb-bridge";
import { Logger } from "@gnu-taler/taler-util";
import {
CURRENT_DB_CONFIG_KEY,
TALER_DB_NAME,
TALER_META_DB_NAME,
walletMetadataStore,
WalletStoresV1,
WALLET_DB_MINOR_VERSION,
} from "./db.js";
import {
DbAccess,
IndexDescriptor,
openDatabase,
StoreDescriptor,
StoreWithIndexes,
} from "./util/query.js";
const logger = new Logger("db-utils.ts");
function upgradeFromStoreMap(
storeMap: any,
db: IDBDatabase,
oldVersion: number,
newVersion: number,
upgradeTransaction: IDBTransaction,
): void {
if (oldVersion === 0) {
for (const n in storeMap) {
const swi: StoreWithIndexes<StoreDescriptor<unknown>, any> = storeMap[n];
const storeDesc: StoreDescriptor<unknown> = swi.store;
const s = db.createObjectStore(storeDesc.name, {
autoIncrement: storeDesc.autoIncrement,
keyPath: storeDesc.keyPath,
});
for (const indexName in swi.indexMap as any) {
const indexDesc: IndexDescriptor = swi.indexMap[indexName];
s.createIndex(indexDesc.name, indexDesc.keyPath, {
multiEntry: indexDesc.multiEntry,
});
}
}
return;
}
if (oldVersion === newVersion) {
return;
}
logger.info(`upgrading database from ${oldVersion} to ${newVersion}`);
throw Error("upgrade not supported");
}
function onTalerDbUpgradeNeeded(
db: IDBDatabase,
oldVersion: number,
newVersion: number,
upgradeTransaction: IDBTransaction,
) {
upgradeFromStoreMap(
WalletStoresV1,
db,
oldVersion,
newVersion,
upgradeTransaction,
);
}
function onMetaDbUpgradeNeeded(
db: IDBDatabase,
oldVersion: number,
newVersion: number,
upgradeTransaction: IDBTransaction,
) {
upgradeFromStoreMap(
walletMetadataStore,
db,
oldVersion,
newVersion,
upgradeTransaction,
);
}
/**
* Return a promise that resolves
* to the taler wallet db.
*/
export async function openTalerDatabase(
idbFactory: IDBFactory,
onVersionChange: () => void,
): Promise<DbAccess<typeof WalletStoresV1>> {
const metaDbHandle = await openDatabase(
idbFactory,
TALER_META_DB_NAME,
1,
() => {},
onMetaDbUpgradeNeeded,
);
const metaDb = new DbAccess(metaDbHandle, walletMetadataStore);
let currentMainVersion: string | undefined;
await metaDb
.mktx((x) => ({
metaConfig: x.metaConfig,
}))
.runReadWrite(async (tx) => {
const dbVersionRecord = await tx.metaConfig.get(CURRENT_DB_CONFIG_KEY);
if (!dbVersionRecord) {
currentMainVersion = TALER_DB_NAME;
await tx.metaConfig.put({
key: CURRENT_DB_CONFIG_KEY,
value: TALER_DB_NAME,
});
} else {
currentMainVersion = dbVersionRecord.value;
}
});
if (currentMainVersion !== TALER_DB_NAME) {
switch (currentMainVersion) {
case "taler-wallet-main-v2":
case "taler-wallet-main-v3":
// We consider this a pre-release
// development version, no migration is done.
await metaDb
.mktx((x) => ({
metaConfig: x.metaConfig,
}))
.runReadWrite(async (tx) => {
await tx.metaConfig.put({
key: CURRENT_DB_CONFIG_KEY,
value: TALER_DB_NAME,
});
});
break;
default:
throw Error(
`migration from database ${currentMainVersion} not supported`,
);
}
}
const mainDbHandle = await openDatabase(
idbFactory,
TALER_DB_NAME,
WALLET_DB_MINOR_VERSION,
onVersionChange,
onTalerDbUpgradeNeeded,
);
return new DbAccess(mainDbHandle, WalletStoresV1);
}
export async function deleteTalerDatabase(
idbFactory: IDBFactory,
): Promise<void> {
return new Promise((resolve, reject) => {
const req = idbFactory.deleteDatabase(TALER_DB_NAME);
req.onerror = () => reject(req.error);
req.onsuccess = () => resolve();
});
}
|
