feat: Add timestamps to backups and exports

This change adds timestamps to backups and exports file names to help distinguish them as you save multiple.

fixes: #693

Author: LiamMorrow

app/store/settings/export-backup-effects.ts

@@ -5,6 +5,7 @@ import { exportData } from '@/store/settings';
 import { streamToUint8Array } from '@/utils/stream';
 import 'compression-streams-polyfill';
 import { toFeedStateDao } from '../feed';
+import { DateTimeFormatter, LocalDateTime } from '@js-joda/core';
 
 export function addExportBackupEffects() {
   addEffect(
@@ -42,9 +43,15 @@ export function addExportBackupEffects() {
 
       await writePromise;
       await writer.close();
+      const now = LocalDateTime.now()
+        .withNano(0)
+        .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+        .replaceAll(':', '')
+        .replaceAll('T', '_')
+        .replaceAll('-', '');
 
       await fileExportService.exportBytes(
-        'export.liftlogbackup.gz',
+        `export.liftlogbackup.${now}.gz`,
         await gzippedPromise,
         'application/octet-stream',
       );

app/store/settings/export-plaintext-effects.ts

@@ -10,6 +10,7 @@ import { match } from 'ts-pattern';
 import BigNumber from 'bignumber.js';
 import { jsonToCSV } from 'react-native-csv';
 import { shortFormatWeightUnit } from '@/models/weight';
+import { DateTimeFormatter, LocalDateTime } from '@js-joda/core';
 
 export function addExportPlaintextEffects() {
   addEffect(
@@ -19,12 +20,18 @@ export function addExportPlaintextEffects() {
       { getState, extra: { progressRepository, fileExportService } },
     ) => {
       const sessions = progressRepository.getOrderedSessions();
+      const now = LocalDateTime.now()
+        .withNano(0)
+        .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+        .replaceAll(':', '')
+        .replaceAll('T', '_')
+        .replaceAll('-', '');
       const [fileName, bytes, contentType] = await match(format)
         .with(
           'CSV',
           async () =>
             [
-              'liftlog-export.csv',
+              `liftlog-export.${now}.csv`,
               await exportToCsv(sessions),
               'text/csv',
             ] as const,
@@ -33,7 +40,7 @@ export function addExportPlaintextEffects() {
           'JSON',
           async () =>
             [
-              'liftlog-export.json',
+              `liftlog-export.${now}.json`,
               await exportToJson(sessions),
               'application/json',
             ] as const,