add special message for last week before next study year

ios/Podfile.lock

@@ -96,6 +96,8 @@ PODS:
     - sqlite3/fts5
     - sqlite3/perf-threadsafe
     - sqlite3/rtree
+  - url_launcher_ios (0.0.1):
+    - Flutter
 
 DEPENDENCIES:
   - appmetrica_plugin (from `.symlinks/plugins/appmetrica_plugin/ios`)
@@ -105,6 +107,7 @@ DEPENDENCIES:
   - share_plus (from `.symlinks/plugins/share_plus/ios`)
   - shared_preferences_foundation (from `.symlinks/plugins/shared_preferences_foundation/darwin`)
   - sqlite3_flutter_libs (from `.symlinks/plugins/sqlite3_flutter_libs/ios`)
+  - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
 
 SPEC REPOS:
   trunk:
@@ -142,6 +145,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/shared_preferences_foundation/darwin"
   sqlite3_flutter_libs:
     :path: ".symlinks/plugins/sqlite3_flutter_libs/ios"
+  url_launcher_ios:
+    :path: ".symlinks/plugins/url_launcher_ios/ios"
 
 SPEC CHECKSUMS:
   appmetrica_plugin: d5b67180992259ecfa040189027808915101b893
@@ -169,6 +174,7 @@ SPEC CHECKSUMS:
   shared_preferences_foundation: fcdcbc04712aee1108ac7fda236f363274528f78
   sqlite3: 19d8c26842078b45fa2deed63c4bbbe0c0e786ce
   sqlite3_flutter_libs: c00457ebd31e59fa6bb830380ddba24d44fbcd3b
+  url_launcher_ios: 5334b05cef931de560670eeae103fd3e431ac3fe
 
 PODFILE CHECKSUM: c4c93c5f6502fe2754f48404d3594bf779584011
 

lib/common/utils/date_utils.dart

@@ -52,14 +52,17 @@ DateTime getEndOfStudyWeek(int week, DateTime nowTime) {
 }
 
 DateTime getStartOfStudyYearDate(DateTime nowTime) {
-  if (nowTime.month >= kSeptemberMonthNumber) {
-    return getWeekStart(
-      DateTime(
-        nowTime.year,
-        kSeptemberMonthNumber,
-        1,
-      ),
-    );
+  final currentStudyYearStartDate = getWeekStart(
+    DateTime(
+      nowTime.year,
+      kSeptemberMonthNumber,
+      1,
+    ),
+  );
+
+  if (nowTime.isAtSameMomentAs(currentStudyYearStartDate) ||
+      nowTime.isAfter(currentStudyYearStartDate)) {
+    return currentStudyYearStartDate;
   } else {
     return getWeekStart(
       DateTime(

lib/feature/schedule/widget/schedule_page.dart

@@ -599,11 +599,7 @@ class _SchedulePageState extends State<SchedulePage>
           }
 
           if (currentWeek < 0 || currentWeek > 52) {
-            return ScheduleWidget(
-              schedule: const Schedule.empty(),
-              onNextWeek: () => onNextWeek(context),
-              onPreviousWeek: () => onPreviousWeek(context),
-            );
+            return null;
           }
 
           return ScheduleWidget(

lib/feature/schedule/widget/schedule_widget.dart

@@ -1,10 +1,12 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:intl/intl.dart';
 import 'package:uneconly/common/localization/localization.dart';
 import 'package:uneconly/common/utils/date_utils.dart';
 import 'package:uneconly/common/utils/string_utils.dart';
 import 'package:uneconly/feature/schedule/model/schedule.dart';
 import 'package:uneconly/feature/schedule/widget/lesson_tile.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 /// {@template schedule_widget}
 /// ScheduleWidget widget
@@ -147,6 +149,77 @@ class ScheduleWidget extends StatelessWidget {
         ),
       );
 
+      final isLastStudyWeekOfCurrentYear = currentSchedule.week == 52;
+
+      if (isLastStudyWeekOfCurrentYear) {
+        return Center(
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              Padding(
+                padding: const EdgeInsets.only(
+                  left: 8,
+                  right: 8,
+                  top: 0,
+                  bottom: 20,
+                ),
+                child: Column(
+                  children: [
+                    const Text(
+                      '🍀',
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 100,
+                      ),
+                    ),
+                    Text('$weekStart - $weekEnd'),
+                    const SizedBox(
+                      height: 8,
+                    ),
+                    Text(
+                      AppLocalizations.of(context)!.lastWeekOfCurrentStudyYear,
+                      textAlign: TextAlign.center,
+                      style: const TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 18,
+                      ),
+                    ),
+                    const SizedBox(
+                      height: 8,
+                    ),
+                    Text(
+                      AppLocalizations.of(context)!
+                          .checkOutOfficialWebsiteForPreciseInformation,
+                      textAlign: TextAlign.center,
+                      style: const TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 18,
+                      ),
+                    ),
+                    const SizedBox(
+                      height: 8,
+                    ),
+                    ElevatedButton(
+                      onPressed: () async {
+                        await launchUrl(
+                          Uri.parse(
+                            'https://rasp.unecon.ru/raspisanie_grp.php?g=${currentSchedule.groupId}',
+                          ),
+                        );
+                      },
+                      child: Text(
+                        AppLocalizations.of(context)!.openOfficialWebsite,
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+        );
+      }
+
       return Center(
         child: Column(
           mainAxisSize: MainAxisSize.min,

lib/l10n/app_en.arb

@@ -47,5 +47,8 @@
     "cacheIsCleared": "Cache is successfully cleared!",
     "errorWhileCleaningCache": "Unexpected error happened during cache clean. Try again later",
     "cacheIsEmpty": "Cache is empty. Nothing to clean!",
-    "share": "Share"
+    "share": "Share",
+    "lastWeekOfCurrentStudyYear": "This is the last week of current study year. Next study year schedule should be available soon",
+    "checkOutOfficialWebsiteForPreciseInformation": "Check out official website for precise info",
+    "openOfficialWebsite": "Open official website"
 }

lib/l10n/app_ru.arb

@@ -44,5 +44,8 @@
     "cacheIsCleared": "Кэш успешно очищен!",
     "errorWhileCleaningCache": "Возникла неожиданная ошибка при очистке кэша. Попробуйте снова",
     "cacheIsEmpty": "Кэш уже пуст!",
-    "share": "Поделиться"
+    "share": "Поделиться",
+    "lastWeekOfCurrentStudyYear": "Это последняя неделя текущего учебного года. Скоро должно появиться расписание для следующего учебного года",
+    "checkOutOfficialWebsiteForPreciseInformation": "Проверяйте точную информацию на официальном веб-сайте",
+    "openOfficialWebsite": "Открыть официальный вебсайт"
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -9,10 +9,12 @@ import path_provider_foundation
 import share_plus
 import shared_preferences_foundation
 import sqlite3_flutter_libs
+import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
   Sqlite3FlutterLibsPlugin.register(with: registry.registrar(forPlugin: "Sqlite3FlutterLibsPlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }

pubspec.lock

@@ -970,6 +970,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.2"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: "21b704ce5fa560ea9f3b525b43601c678728ba46725bab9b01187b4831377ed3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.0"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: f0c73347dfcfa5b3db8bc06e1502668265d39c08f310c29bff4e28eea9699f79
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.9"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: e43b677296fadce447e987a2f519dcf5f6d1e527dc35d01ffab4fff5b8a7063e
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
   url_launcher_linux:
     dependency: transitive
     description:
@@ -978,6 +1002,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.2.0"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: "9a1a42d5d2d95400c795b2914c36fdcb525870c752569438e4ebb09a2b5d90de"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
   url_launcher_platform_interface:
     dependency: transitive
     description:

pubspec.yaml

@@ -54,6 +54,7 @@ dependencies:
   octopus: ^0.0.9
   share_plus: ^10.0.2
   appmetrica_plugin: ^2.1.1
+  url_launcher: ^6.3.0
 
 dev_dependencies:
   flutter_test:

test/date_utils_test.dart

@@ -78,4 +78,28 @@ void main() {
       );
     },
   );
+
+  test(
+    'getStartOfStudyYearDate returns start of study year for 2024/2025 study year when it is start of first study week',
+    () {
+      final nowTime = DateTime(2024, 8, 26, 0, 0, 1);
+
+      expect(
+        getStartOfStudyYearDate(nowTime),
+        equals(DateTime(2024, 8, 26)),
+      );
+    },
+  );
+
+  test(
+    'getStartOfStudyYearDate returns start of study year for 2024/2025 study year when month is September',
+    () {
+      final nowTime = DateTime(2024, 9, 1, 0, 0, 1);
+
+      expect(
+        getStartOfStudyYearDate(nowTime),
+        equals(DateTime(2024, 8, 26)),
+      );
+    },
+  );
 }