* Update export data default filename to use today's date in local ti…

…mezone instead of UTC (#3236)
FreeTubeApp · Mar 2, 2023 · 5713e66 · 5713e66
1 parent f575d3c
commit 5713e66
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Showing 2 changed files with 27 additions and 15 deletions.
diff --git a/src/renderer/components/data-settings/data-settings.js b/src/renderer/components/data-settings/data-settings.js
@@ -9,11 +9,12 @@ import { MAIN_PROFILE_ID } from '../../../constants'
 import { calculateColorLuminance, getRandomColor } from '../../helpers/colors'
 import {
   copyToClipboard,
+  getTodayDateStrLocalTimezone,
   readFileFromDialog,
   showOpenDialog,
   showSaveDialog,
   showToast,
-  writeFileFromDialog
+  writeFileFromDialog,
 } from '../../helpers/utils'
 import { invidiousAPICall } from '../../helpers/api/invidious'
 import { getLocalChannel } from '../../helpers/api/local'
@@ -509,8 +510,8 @@ export default defineComponent({
       const subscriptionsDb = this.profileList.map((profile) => {
         return JSON.stringify(profile)
       }).join('\n') + '\n'// a trailing line is expected
-      const date = new Date().toISOString().split('T')[0]
-      const exportFileName = 'freetube-subscriptions-' + date + '.db'
+      const dateStr = getTodayDateStrLocalTimezone()
+      const exportFileName = 'freetube-subscriptions-' + dateStr + '.db'
 
       const options = {
         defaultPath: exportFileName,
@@ -526,8 +527,8 @@ export default defineComponent({
     },
 
     exportYouTubeSubscriptions: async function () {
-      const date = new Date().toISOString().split('T')[0]
-      const exportFileName = 'youtube-subscriptions-' + date + '.json'
+      const dateStr = getTodayDateStrLocalTimezone()
+      const exportFileName = 'youtube-subscriptions-' + dateStr + '.json'
 
       const options = {
         defaultPath: exportFileName,
@@ -579,8 +580,8 @@ export default defineComponent({
     },
 
     exportOpmlYouTubeSubscriptions: async function () {
-      const date = new Date().toISOString().split('T')[0]
-      const exportFileName = 'youtube-subscriptions-' + date + '.opml'
+      const dateStr = getTodayDateStrLocalTimezone()
+      const exportFileName = 'youtube-subscriptions-' + dateStr + '.opml'
 
       const options = {
         defaultPath: exportFileName,
@@ -612,8 +613,8 @@ export default defineComponent({
     },
 
     exportCsvYouTubeSubscriptions: async function () {
-      const date = new Date().toISOString().split('T')[0]
-      const exportFileName = 'youtube-subscriptions-' + date + '.csv'
+      const dateStr = getTodayDateStrLocalTimezone()
+      const exportFileName = 'youtube-subscriptions-' + dateStr + '.csv'
 
       const options = {
         defaultPath: exportFileName,
@@ -639,8 +640,8 @@ export default defineComponent({
     },
 
     exportNewPipeSubscriptions: async function () {
-      const date = new Date().toISOString().split('T')[0]
-      const exportFileName = 'newpipe-subscriptions-' + date + '.json'
+      const dateStr = getTodayDateStrLocalTimezone()
+      const exportFileName = 'newpipe-subscriptions-' + dateStr + '.json'
 
       const options = {
         defaultPath: exportFileName,
@@ -744,8 +745,8 @@ export default defineComponent({
       const historyDb = this.historyCache.map((historyEntry) => {
         return JSON.stringify(historyEntry)
       }).join('\n') + '\n'
-      const date = new Date().toISOString().split('T')[0]
-      const exportFileName = 'freetube-history-' + date + '.db'
+      const dateStr = getTodayDateStrLocalTimezone()
+      const exportFileName = 'freetube-history-' + dateStr + '.db'
 
       const options = {
         defaultPath: exportFileName,
@@ -875,8 +876,8 @@ export default defineComponent({
     },
 
     exportPlaylists: async function () {
-      const date = new Date().toISOString().split('T')[0]
-      const exportFileName = 'freetube-playlists-' + date + '.db'
+      const dateStr = getTodayDateStrLocalTimezone()
+      const exportFileName = 'freetube-playlists-' + dateStr + '.db'
 
       const options = {
         defaultPath: exportFileName,

diff --git a/src/renderer/helpers/utils.js b/src/renderer/helpers/utils.js
@@ -619,3 +619,14 @@ export function toDistractionFreeTitle(title, minUpperCase = 3) {
 export function formatNumber(number, options = undefined) {
   return Intl.NumberFormat([i18n.locale.replace('_', '-'), 'en'], options).format(number)
 }
+
+export function getTodayDateStrLocalTimezone() {
+  const timeNow = new Date()
+  // `Date#getTimezoneOffset` returns the difference, in minutes
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset
+  const timeNowStr = new Date(timeNow.getTime() - (timeNow.getTimezoneOffset() * 60000)).toISOString()
+  // `Date#toISOString` returns string with `T` as date/time separator (ISO 8601 format)
+  // e.g. 2011-10-05T14:48:00.000Z
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString
+  return timeNowStr.split('T')[0]
+}