profile: Display user's local time

assets/l10n/app_ar.arb

@@ -7,5 +7,12 @@
   "wildcardMentionChannelDescription": "إخطار القناة",
   "wildcardMentionStreamDescription": "إخطار الدفق",
   "wildcardMentionAllDmDescription": "إخطار المستلمين",
-  "wildcardMentionTopicDescription": "إخطار الموضوع"
+  "wildcardMentionTopicDescription": "إخطار الموضوع",
+  "userLocalTime": "{userTime} الوقت المحلي",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
+  }
 }

assets/l10n/app_de.arb

@@ -1 +1,9 @@
-{}
+{
+  "userLocalTime": "{userTime} Ortszeit",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
+  }
+}

assets/l10n/app_en.arb

@@ -1006,5 +1006,12 @@
   "zulipAppTitle": "Zulip",
   "@zulipAppTitle": {
     "description": "The name of Zulip. This should be either 'Zulip' or a transliteration."
+  },
+  "userLocalTime": "{userTime} local time",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
   }
 }

assets/l10n/app_ja.arb

@@ -16,5 +16,12 @@
   "userRoleGuest": "ゲスト",
   "@userRoleGuest": {},
   "userRoleUnknown": "不明",
-  "@userRoleUnknown": {}
+  "@userRoleUnknown": {},
+  "userLocalTime": "現地時間 {userTime}",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
+  }
 }

assets/l10n/app_pl.arb

@@ -1076,5 +1076,12 @@
   "actionSheetOptionListOfTopics": "Lista wątków",
   "@actionSheetOptionListOfTopics": {
     "description": "Label for navigating to a channel's topic-list page."
+  },
+  "userLocalTime": "{userTime} czas lokalny",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
   }
 }

assets/l10n/app_ru.arb

@@ -1068,5 +1068,12 @@
   "discardDraftForEditConfirmationDialogMessage": "При изменении сообщения текст из поля для редактирования удаляется.",
   "@discardDraftForEditConfirmationDialogMessage": {
     "description": "Message for a confirmation dialog for discarding message text that was typed into the compose box."
+  },
+  "userLocalTime": "{userTime} местное время",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
   }
 }

assets/l10n/app_uk.arb

@@ -1006,5 +1006,12 @@
   "emojiReactionsMore": "більше",
   "@emojiReactionsMore": {
     "description": "Label for a button opening the emoji picker."
+  },
+  "userLocalTime": "{userTime} місцевий час",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
   }
 }

assets/l10n/app_zh_Hans_CN.arb

@@ -1,3 +1,10 @@
 {
-  "settingsPageTitle": "设置"
+  "settingsPageTitle": "设置",
+  "userLocalTime": "{userTime} 当地时间",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
+  }
 }

assets/l10n/app_zh_Hant_TW.arb

@@ -1,3 +1,10 @@
 {
-  "settingsPageTitle": "設定"
+  "settingsPageTitle": "設定",
+  "userLocalTime": "{userTime} 本地時間",
+  "@userLocalTime": {
+    "description": "Current time in the user's timezone",
+    "placeholders": {
+      "userTime": {"type": "DateTime", "format": "jm"}
+    }
+  }
 }

lib/generated/l10n/zulip_localizations.dart

@@ -1498,6 +1498,12 @@ abstract class ZulipLocalizations {
   /// In en, this message translates to:
   /// **'Zulip'**
   String get zulipAppTitle;
+
+  /// Current time in the user's timezone
+  ///
+  /// In en, this message translates to:
+  /// **'{userTime} local time'**
+  String userLocalTime(DateTime userTime);
 }
 
 class _ZulipLocalizationsDelegate

lib/generated/l10n/zulip_localizations_ar.dart

@@ -813,4 +813,12 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString الوقت المحلي';
+  }
 }

lib/generated/l10n/zulip_localizations_de.dart

@@ -813,4 +813,12 @@ class ZulipLocalizationsDe extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString Ortszeit';
+  }
 }

lib/generated/l10n/zulip_localizations_en.dart

@@ -813,6 +813,14 @@ class ZulipLocalizationsEn extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString local time';
+  }
 }
 
 /// The translations for English, as used in the United Kingdom (`en_GB`).

lib/generated/l10n/zulip_localizations_ja.dart

@@ -813,4 +813,12 @@ class ZulipLocalizationsJa extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '現地時間 $userTimeString';
+  }
 }

lib/generated/l10n/zulip_localizations_nb.dart

@@ -813,4 +813,12 @@ class ZulipLocalizationsNb extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString local time';
+  }
 }

lib/generated/l10n/zulip_localizations_pl.dart

@@ -824,4 +824,12 @@ class ZulipLocalizationsPl extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString czas lokalny';
+  }
 }

lib/generated/l10n/zulip_localizations_ru.dart

@@ -827,4 +827,12 @@ class ZulipLocalizationsRu extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString местное время';
+  }
 }

lib/generated/l10n/zulip_localizations_sk.dart

@@ -815,4 +815,12 @@ class ZulipLocalizationsSk extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString local time';
+  }
 }

lib/generated/l10n/zulip_localizations_uk.dart

@@ -827,4 +827,12 @@ class ZulipLocalizationsUk extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString місцевий час';
+  }
 }

lib/generated/l10n/zulip_localizations_zh.dart

@@ -813,6 +813,14 @@ class ZulipLocalizationsZh extends ZulipLocalizations {
 
   @override
   String get zulipAppTitle => 'Zulip';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString local time';
+  }
 }
 
 /// The translations for Chinese, as used in China, using the Han script (`zh_Hans_CN`).
@@ -821,6 +829,14 @@ class ZulipLocalizationsZhHansCn extends ZulipLocalizationsZh {
 
   @override
   String get settingsPageTitle => '设置';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString 当地时间';
+  }
 }
 
 /// The translations for Chinese, as used in Taiwan, using the Han script (`zh_Hant_TW`).
@@ -829,4 +845,12 @@ class ZulipLocalizationsZhHantTw extends ZulipLocalizationsZh {
 
   @override
   String get settingsPageTitle => '設定';
+
+  @override
+  String userLocalTime(DateTime userTime) {
+    final intl.DateFormat userTimeDateFormat = intl.DateFormat.jm(localeName);
+    final String userTimeString = userTimeDateFormat.format(userTime);
+
+    return '$userTimeString 本地時間';
+  }
 }

lib/model/binding.dart

@@ -130,6 +130,12 @@ abstract class ZulipBinding {
   /// Outside tests, this just calls the [Stopwatch] constructor.
   Stopwatch stopwatch();
 
+  /// Provides access to current time.
+  ///
+  /// Please refer to this issue:
+  ///   https://github.com/dart-lang/sdk/issues/28985
+  DateTime now();
+
   /// Provides device and operating system information,
   /// via package:device_info_plus.
   ///
@@ -394,6 +400,9 @@ class LiveZulipBinding extends ZulipBinding {
   @override
   Stopwatch stopwatch() => Stopwatch();
 
+  @override
+  DateTime now() => DateTime.now();
+
   @override
   Future<BaseDeviceInfo?> get deviceInfo => _deviceInfo;
   late Future<BaseDeviceInfo?> _deviceInfo;

lib/model/store.dart

@@ -21,6 +21,7 @@ import '../log.dart';
 import '../notifications/receive.dart';
 import 'actions.dart';
 import 'autocomplete.dart';
+import 'binding.dart';
 import 'database.dart';
 import 'emoji.dart';
 import 'localizations.dart';
@@ -656,7 +657,7 @@ class PerAccountStore extends PerAccountStoreBase with ChangeNotifier, EmojiStor
   ///
   /// To determine if a user is a full member, callers must also check that the
   /// user's role is at least [UserRole.member].
-  bool hasPassedWaitingPeriod(User user, {required DateTime byDate}) {
+  bool hasPassedWaitingPeriod(User user) {
     // [User.dateJoined] is in UTC. For logged-in users, the format is:
     // YYYY-MM-DDTHH:mm+00:00, which includes the timezone offset for UTC.
     // For logged-out spectators, the format is: YYYY-MM-DD, which doesn't
@@ -668,7 +669,8 @@ class PerAccountStore extends PerAccountStoreBase with ChangeNotifier, EmojiStor
     // See the related discussion:
     //   https://chat.zulip.org/#narrow/channel/412-api-documentation/topic/provide.20an.20explicit.20format.20for.20.60realm_user.2Edate_joined.60/near/1980194
     final dateJoined = DateTime.parse(user.dateJoined);
-    return byDate.difference(dateJoined).inDays >= realmWaitingPeriodThreshold;
+    final now = ZulipBinding.instance.now();
+    return now.difference(dateJoined).inDays >= realmWaitingPeriodThreshold;
   }
 
   /// The given user's real email address, if known, for displaying in the UI.
@@ -719,7 +721,6 @@ class PerAccountStore extends PerAccountStoreBase with ChangeNotifier, EmojiStor
   bool hasPostingPermission({
     required ZulipStream inChannel,
     required User user,
-    required DateTime byDate,
   }) {
     final role = user.role;
     // We let the users with [unknown] role to send the message, then the server
@@ -731,7 +732,7 @@ class PerAccountStore extends PerAccountStoreBase with ChangeNotifier, EmojiStor
       case ChannelPostPolicy.fullMembers:     {
         if (!role.isAtLeast(UserRole.member)) return false;
         return role == UserRole.member
-          ? hasPassedWaitingPeriod(user, byDate: byDate)
+          ? hasPassedWaitingPeriod(user)
           : true;
       }
       case ChannelPostPolicy.moderators:      return role.isAtLeast(UserRole.moderator);

lib/widgets/compose_box.dart

@@ -2015,8 +2015,7 @@ class _ComposeBoxState extends State<ComposeBox> with PerAccountStoreAwareStateM
       case ChannelNarrow(:final streamId):
       case TopicNarrow(:final streamId):
         final channel = store.streams[streamId];
-        if (channel == null || !store.hasPostingPermission(inChannel: channel,
-            user: store.selfUser, byDate: DateTime.now())) {
+        if (channel == null || !store.hasPostingPermission(inChannel: channel, user: store.selfUser)) {
           return _ErrorBanner(getLabel: (zulipLocalizations) =>
             zulipLocalizations.errorBannerCannotPostInChannelLabel);
         }