✨ Lunar calendar festivals

assets/translations/en-US.json

@@ -414,6 +414,9 @@
   "celebrateBirthday": "Happy birthday, {}!",
   "celebrateMerryXmas": "Merry christmas, {}！",
   "celebrateNewYear": "Happy new year, {}！",
+  "celebrateLunarNewYear": "Happy lunar new year, {}！",
+  "celebrateMidAutumn": "Happy mid-autumn festival, {}！",
+  "celebrateDragonBoat": "Happy dragon boat festival, {}！",
   "celebrateValentineDay": "Today is valentine's day, {}!",
   "celebrateLaborDay": "Today is labor day, {}.",
   "celebrateMotherDay": "Today is mother's day, {}.",
@@ -423,6 +426,9 @@
   "celebrateThanksgiving": "Today is thanksgiving day, {}!",
   "pendingBirthday": "Birthday in {}",
   "pendingMerryXmas": "Christmas in {}",
+  "pendingLunarNewYear": "Lunar new year in {}",
+  "pendingMidAutumn": "Mid-autumn festival in {}",
+  "pendingDragonBoat": "Dragon boat festival in {}",
   "pendingNewYear": "New year in {}",
   "pendingValentineDay": "Valentine's day in {}",
   "pendingLaborDay": "Labor day in {}",

assets/translations/zh-CN.json

@@ -410,6 +410,9 @@
   "dailyCheckNegativeHint6": "出门",
   "dailyCheckNegativeHint6Description": "忘带伞遇上大雨",
   "celebrateBirthday": "生日快乐，{}！",
+  "celebrateLunarNewYear": "春节快乐，{}！",
+  "celebrateMidAutumn": "中秋节快乐，{}！",
+  "celebrateDragonBoat": "端午节快乐，{}！",
   "celebrateMerryXmas": "圣诞快乐，{}！",
   "celebrateNewYear": "新年快乐，{}！",
   "celebrateValentineDay": "今天是情人节，{}！",
@@ -419,6 +422,9 @@
   "celebrateFatherDay": "今天是父亲节，{}。",
   "celebrateHalloween": "快乐在圣诞节，{}！",
   "celebrateThanksgiving": "今天是感恩节，{}！",
+  "pendingLunarNewYear": "{} 过春节",
+  "pendingMidAutumn": "{} 过中秋节",
+  "pendingDragonBoat": "{} 过端午节",
   "pendingBirthday": "{} 过生日",
   "pendingMerryXmas": "{} 过圣诞节",
   "pendingNewYear": "{} 跨年",

assets/translations/zh-HK.json

@@ -279,6 +279,10 @@
     "one": "{} 個附件",
     "other": "{} 個附件"
   },
+  "messageTyping": {
+    "one": "{} 正在輸入",
+    "other": "{} 正在輸入"
+  },
   "fieldAttachmentRandomId": "訪問 ID",
   "fieldAttachmentAlt": "概述文字",
   "addAttachmentFromAlbum": "從相冊中添加附件",
@@ -406,6 +410,9 @@
   "dailyCheckNegativeHint6": "出門",
   "dailyCheckNegativeHint6Description": "忘帶傘遇上大雨",
   "celebrateBirthday": "生日快樂，{}！",
+  "celebrateLunarNewYear": "春節快樂，{}！",
+  "celebrateMidAutumn": "中秋節快樂，{}！",
+  "celebrateDragonBoat": "端午節快樂，{}！",
   "celebrateMerryXmas": "聖誕快樂，{}！",
   "celebrateNewYear": "新年快樂，{}！",
   "celebrateValentineDay": "今天是情人節，{}！",
@@ -415,6 +422,9 @@
   "celebrateFatherDay": "今天是父親節，{}。",
   "celebrateHalloween": "快樂在聖誕節，{}！",
   "celebrateThanksgiving": "今天是感恩節，{}！",
+  "pendingLunarNewYear": "{} 過春節",
+  "pendingMidAutumn": "{} 過中秋節",
+  "pendingDragonBoat": "{} 過端午節",
   "pendingBirthday": "{} 過生日",
   "pendingMerryXmas": "{} 過聖誕節",
   "pendingNewYear": "{} 跨年",

assets/translations/zh-TW.json

@@ -279,6 +279,10 @@
     "one": "{} 個附件",
     "other": "{} 個附件"
   },
+  "messageTyping": {
+    "one": "{} 正在輸入",
+    "other": "{} 正在輸入"
+  },
   "fieldAttachmentRandomId": "訪問 ID",
   "fieldAttachmentAlt": "概述文字",
   "addAttachmentFromAlbum": "從相冊中添加附件",
@@ -406,6 +410,9 @@
   "dailyCheckNegativeHint6": "出門",
   "dailyCheckNegativeHint6Description": "忘帶傘遇上大雨",
   "celebrateBirthday": "生日快樂，{}！",
+  "celebrateLunarNewYear": "春節快樂，{}！",
+  "celebrateMidAutumn": "中秋節快樂，{}！",
+  "celebrateDragonBoat": "端午節快樂，{}！",
   "celebrateMerryXmas": "聖誕快樂，{}！",
   "celebrateNewYear": "新年快樂，{}！",
   "celebrateValentineDay": "今天是情人節，{}！",
@@ -415,6 +422,9 @@
   "celebrateFatherDay": "今天是父親節，{}。",
   "celebrateHalloween": "快樂在聖誕節，{}！",
   "celebrateThanksgiving": "今天是感恩節，{}！",
+  "pendingLunarNewYear": "{} 過春節",
+  "pendingMidAutumn": "{} 過中秋節",
+  "pendingDragonBoat": "{} 過端午節",
   "pendingBirthday": "{} 過生日",
   "pendingMerryXmas": "{} 過聖誕節",
   "pendingNewYear": "{} 跨年",

lib/providers/special_day.dart

@@ -3,9 +3,12 @@ import 'package:provider/provider.dart';
 import 'package:surface/providers/userinfo.dart';
 
 // Stored as key: month, day
-const Map<String, (int, int)> kSpecialDays = {
+final Map<String, (int, int)> kSpecialDays = {
   // Birthday is dynamically generated according to the user's profile
   'NewYear': (1, 1),
+  'LunarNewYear': (lunarToGregorian(null, 1, 1).month, lunarToGregorian(null, 1, 1).day),
+  'MidAutumn': (lunarToGregorian(null, 8, 15).month, lunarToGregorian(null, 8, 15).day),
+  'DragonBoat': (lunarToGregorian(null, 5, 5).month, lunarToGregorian(null, 5, 5).day),
   'ValentineDay': (2, 14),
   'LaborDay': (5, 1),
   'MotherDay': (5, 11),
@@ -19,6 +22,9 @@ const Map<String, (int, int)> kSpecialDays = {
 const Map<String, String> kSpecialDaysSymbol = {
   'Birthday': '🎂',
   'NewYear': '🎉',
+  'LunarNewYear': '🎉',
+  'MidAutumn': '🥮',
+  'DragonBoat': '🐲',
   'MerryXmas': '🎄',
   'ValentineDay': '💑',
   'LaborDay': '🏋️',
@@ -134,3 +140,45 @@ class SpecialDayProvider {
     return (elapsedDuration / totalDuration).clamp(0.0, 1.0);
   }
 }
+
+final Map<int, LunarYear> lunarYearData = {
+  2025: LunarYear(
+    startDate: DateTime(2025, 1, 29),
+    months: [29, 30, 30, 29, 30, 29, 29, 30, 30, 29, 30, 29],
+    leapMonth: 0,
+  ),
+};
+
+class LunarYear {
+  final DateTime startDate;
+  final List<int> months;
+  final int leapMonth;
+
+  LunarYear({required this.startDate, required this.months, required this.leapMonth});
+}
+
+DateTime lunarToGregorian(int? year, int month, int day, {bool isLeapMonth = false}) {
+  year = year ?? DateTime.now().year;
+  final lunarYear = lunarYearData[year];
+  if (lunarYear == null) {
+    throw Exception('Lunar data for year $year not found');
+  }
+
+  int leapMonth = lunarYear.leapMonth;
+  if (isLeapMonth && (leapMonth == 0 || leapMonth != month)) {
+    throw Exception('Invalid leap month for year $year');
+  }
+
+  int daysFromStart = 0;
+  for (int i = 0; i < month - 1; i++) {
+    daysFromStart += lunarYear.months[i];
+  }
+
+  if (isLeapMonth) {
+    daysFromStart += lunarYear.months[month - 1];
+  }
+
+  daysFromStart += day - 1;
+
+  return lunarYear.startDate.add(Duration(days: daysFromStart));
+}

lib/screens/home.dart

@@ -197,7 +197,7 @@ class _HomeDashSpecialDayWidgetState extends State<_HomeDashSpecialDayWidget> {
       return Card(
         child: ListTile(
           leading: Text(kSpecialDaysSymbol[name] ?? '🎉').fontSize(24),
-          title: Text('pending$name').tr(args: [RelativeTime(context).format(date)]),
+          title: Text('pending$name').tr(args: [RelativeTime(context).format(date).replaceFirst('in', '').trim()]),
           subtitle: Row(
             crossAxisAlignment: CrossAxisAlignment.center,
             children: [