Do not disclose exact last online time for privacy reasons

web/components/profile-about.tsx

@@ -292,7 +292,7 @@ function LastOnline(props: { lastOnlineTime?: string }) {
   return (
     <AboutRow
       icon={<ClockIcon className="h-5 w-5"/>}
-      text={'Last online ' + fromNow(lastOnlineTime)}
+      text={'Last online ' + fromNow(lastOnlineTime, true)}
     />
   )
 }

web/components/profile/profile-header.tsx

@@ -9,7 +9,6 @@ import {Col} from 'web/components/layout/col'
 import {Row} from 'web/components/layout/row'
 import {SendMessageButton} from 'web/components/messaging/send-message-button'
 import ProfilePrimaryInfo from './profile-primary-info'
-import {OnlineIcon} from '../online-icon'
 import {track} from 'web/lib/service/analytics'
 import DropdownMenu from 'web/components/comments/dropdown-menu'
 import {ShareProfileButton} from '../widgets/share-profile-button'
@@ -58,7 +57,7 @@ export default function ProfileHeader(props: {
             {currentUser && isCurrentUser && disabled &&
                 <div className="text-red-500">You disabled your profile, so no one else can access it.</div>}
             <Row className="items-center gap-1 text-xl">
-              {!isCurrentUser && <OnlineIcon last_online_time={userActivity?.last_online_time}/>}
+              {/*{!isCurrentUser && <OnlineIcon last_online_time={userActivity?.last_online_time}/>}*/}
               <span>
                 {simpleView ? (
                   <Link className={linkClass} href={`/${user.username}`}>

web/lib/util/time.ts

@@ -3,8 +3,12 @@ import relativeTime from 'dayjs/plugin/relativeTime'
 
 dayjs.extend(relativeTime)
 
-export function fromNow(time: number | string | Date) {
-  return dayjs(time).fromNow()
+export function fromNow(time: number | string | Date, privacy: boolean = false) {
+  const date = dayjs(time);
+  if (privacy && dayjs().diff(date, 'hour') < 24) {
+    return 'in the past day';
+  }
+  return date.fromNow();
 }
 
 const FORMATTER = new Intl.DateTimeFormat('default', {