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sync: handle HTTP 304 correctly

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This commit is contained in:
Florian Dold 2021-06-23 13:06:32 +02:00
parent eaced5ca63
commit 3603a68669
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GPG Key ID: D2E4F00F29D02A4B
2 changed files with 27 additions and 5 deletions
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9
packages/taler-wallet-core/src/db.ts
View File

@ -1586,7 +1586,14 @@ export interface BackupProviderRecord {
*/
lastBackupHash?: string;
lastBackupTimestamp?: Timestamp;
/**
* Last time that we successfully uploaded a backup (or
* the uploaded backup was already current).
*
* Does NOT correspond to the timestamp of the backup,
* which only changes when the backup content changes.
*/
lastBackupCycleTimestamp?: Timestamp;
/**
* Proposal that we're currently trying to pay for.

23
packages/taler-wallet-core/src/operations/backup/index.ts
View File

@ -296,6 +296,21 @@ async function runBackupCycleForProvider(
logger.trace(`sync response status: ${resp.status}`);
if (resp.status === HttpResponseStatus.NotModified) {
await ws.db
.mktx((x) => ({ backupProvider: x.backupProviders }))
.runReadWrite(async (tx) => {
const prov = await tx.backupProvider.get(provider.baseUrl);
if (!prov) {
return;
}
delete prov.lastError;
prov.lastBackupCycleTimestamp = getTimestampNow();
await tx.backupProvider.put(prov);
});
return;
}
if (resp.status === HttpResponseStatus.PaymentRequired) {
logger.trace("payment required for backup");
logger.trace(`headers: ${j2s(resp.headers)}`);
@ -360,7 +375,7 @@ async function runBackupCycleForProvider(
return;
}
prov.lastBackupHash = encodeCrock(currentBackupHash);
prov.lastBackupTimestamp = getTimestampNow();
prov.lastBackupCycleTimestamp = getTimestampNow();
prov.lastError = undefined;
await tx.backupProviders.put(prov);
});
@ -382,7 +397,7 @@ async function runBackupCycleForProvider(
return;
}
prov.lastBackupHash = encodeCrock(hash(backupEnc));
prov.lastBackupTimestamp = getTimestampNow();
prov.lastBackupCycleTimestamp = getTimestampNow();
prov.lastError = undefined;
await tx.backupProvider.put(prov);
});
@ -684,7 +699,7 @@ export async function getBackupInfo(
providers.push({
active: x.active,
syncProviderBaseUrl: x.baseUrl,
lastSuccessfulBackupTimestamp: x.lastBackupTimestamp,
lastSuccessfulBackupTimestamp: x.lastBackupCycleTimestamp,
paymentProposalIds: x.paymentProposalIds,
lastError: x.lastError,
paymentStatus: await getProviderPaymentInfo(ws, x),
@ -759,7 +774,7 @@ async function backupRecoveryTheirs(
}
const providers = await tx.backupProviders.iter().toArray();
for (const prov of providers) {
prov.lastBackupTimestamp = undefined;
prov.lastBackupCycleTimestamp = undefined;
prov.lastBackupHash = undefined;
await tx.backupProviders.put(prov);
}