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server: clientActivityStream: ensure graceful transfer history fallback

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This commit is contained in:
Jesse Chan
2020-11-03 00:16:36 +08:00
parent 00029514f7
commit ca32dcb490
1 changed files with 4 additions and 1 deletions
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server/middleware/clientActivityStream.ts
+4 -1
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@@ -9,6 +9,7 @@ import ServerEvent from '../models/ServerEvent';
import services from '../services';
import type {DiskUsageSummary} from '../models/DiskUsage';
import type {TransferHistory} from '../../shared/types/TransferData';
export default async (req: Request<unknown, unknown, unknown, {historySnapshot: HistorySnapshot}>, res: Response) => {
const {
@@ -76,7 +77,6 @@ export default async (req: Request<unknown, unknown, unknown, {historySnapshot:
serviceInstances.clientGatewayService.testGateway().catch(console.error);
}
// TODO: Handle empty or sub-optimal history states.
// Get user's specified history snapshot current history.
serviceInstances.historyService.getHistory({snapshot: historySnapshot}, (snapshot, error) => {
const {timestamps: lastTimestamps} = snapshot || {timestamps: []};
@@ -84,6 +84,9 @@ export default async (req: Request<unknown, unknown, unknown, {historySnapshot:
if (error == null && snapshot != null && lastTimestamp != null) {
serverEvent.emit(lastTimestamp, 'TRANSFER_HISTORY_FULL_UPDATE', snapshot);
} else {
const fallbackHistory: TransferHistory = {download: [0], upload: [0], timestamps: [Date.now()]};
serverEvent.emit(Date.now(), 'TRANSFER_HISTORY_FULL_UPDATE', fallbackHistory);
}
});