feat: pracovat na oznámení před obědem

.devcontainer/devcontainer.json

@@ -0,0 +1,5 @@
+{
+	"name": "Flutter",
+	"image": "matspfeiffer/flutter:beta",
+	"extensions": ["dart-code.dart-code", "dart-code.flutter"]
+}

CHANGELOG.md

@@ -1,3 +1,6 @@
+# 1.3.0
+- Odstranit connectivity_plus
+- Přidat možnost oznámení s info o obědu v daný čas
 # 1.2.0
 - Přidat možnost zobrazení oznámení v případě neobjednaného jídla na příští týden
 - Přidat oznámení o rozbitých uložených údajích

lib/lang/lang.dart

@@ -145,6 +145,10 @@ abstract class Languages {
 
   String get checkOrdered;
 
+  String get notifyLunch;
+
+  String get notifyAt;
+
   // Offline
   String get offline;
 

lib/lang/lang_cz.dart

@@ -207,4 +207,11 @@ class LanguageCz extends Languages {
   @override
   String get corrupted =>
       "Nastal problém s dešifrováním uložených údajů, prosím zkuste vyčistit veškerá data této aplikace.";
+
+  @override
+  String get notifyAt => "Odeslat v";
+
+  @override
+  String get notifyLunch =>
+      "V určený čas odeslat notifikaci s informacemi o obědě";
 }

lib/lang/lang_en.dart

@@ -206,4 +206,10 @@ class LanguageEn extends Languages {
   @override
   String get corrupted =>
       "The saved credentials seem to be corrupted, please try clearing the application's data.";
+
+  @override
+  String get notifyAt => "Send notification at";
+
+  @override
+  String get notifyLunch => "Send a notification with meal info";
 }

lib/main.dart

@@ -1,18 +1,20 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:background_fetch/background_fetch.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:opencanteen/lang/lang_cz.dart';
 import 'package:opencanteen/loginmanager.dart';
-import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:canteenlib/canteenlib.dart';
 import 'package:opencanteen/okna/offline_jidelnicek.dart';
 import 'package:opencanteen/okna/welcome.dart';
 import 'package:opencanteen/util.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 import 'lang/lang.dart';
 import 'lang/lang_en.dart';
@@ -35,14 +37,75 @@ Copyright (C) 2022  Matyáš Caras a přispěvatelé
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-void main() {
+final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+    FlutterLocalNotificationsPlugin();
+
+// Pouze pro Android
+void backgroundFetchHeadlessTask(HeadlessTask task) async {
+  String taskId = task.taskId;
+  bool isTimeout = task.timeout;
+  if (isTimeout) {
+    // Timeout
+    debugPrint("[BackgroundFetch] Headless task má time-out: $taskId");
+    BackgroundFetch.finish(taskId);
+    return;
+  }
+  var prefs = await SharedPreferences.getInstance();
+  debugPrint('[BackgroundFetch] Přišel headless event.');
+
+  if (prefs.getBool("oznamit") ?? false) {
+    // Oznámení před obědem
+    if (prefs.getBool("offline") ?? false) {
+      // TODO možnost brát z offline dat
+    } else {
+      // bere online
+      var d = await LoginManager.getDetails(); // získat údaje
+      if (d != null) {
+        // TODO
+      }
+    }
+  }
+  BackgroundFetch.finish(taskId);
+}
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  const AndroidInitializationSettings initializationSettingsAndroid =
+      AndroidInitializationSettings('notif_icon');
+
+  /// Note: permissions aren't requested here just to demonstrate that can be
+  /// done later
+  final IOSInitializationSettings initializationSettingsIOS =
+      IOSInitializationSettings(
+          requestAlertPermission: false,
+          requestBadgePermission: false,
+          requestSoundPermission: false,
+          onDidReceiveLocalNotification: (
+            int id,
+            String? title,
+            String? body,
+            String? payload,
+          ) async {
+            debugPrint(body);
+          });
+
+  final InitializationSettings initializationSettings = InitializationSettings(
+    android: initializationSettingsAndroid,
+    iOS: initializationSettingsIOS,
+  );
+  await flutterLocalNotificationsPlugin.initialize(initializationSettings,
+      onSelectNotification: (String? payload) async {
+    if (payload != null) {
+      debugPrint('notification payload: $payload');
+    }
+  });
   runApp(const MyApp());
+  BackgroundFetch.registerHeadlessTask(backgroundFetchHeadlessTask);
 }
 
 class MyApp extends StatelessWidget {
   const MyApp({Key? key}) : super(key: key);
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -78,22 +141,49 @@ class _LoginPageState extends State<LoginPage> {
   TextEditingController canteenControl = TextEditingController();
   bool rememberMe = false;
 
+  void nastavitPozadi() async {
+    // Configure BackgroundFetch.
+    int status = await BackgroundFetch.configure(
+        BackgroundFetchConfig(
+            minimumFetchInterval: 15,
+            stopOnTerminate: false,
+            enableHeadless: true,
+            requiresBatteryNotLow: false,
+            requiresCharging: false,
+            requiresStorageNotLow: false,
+            requiresDeviceIdle: false,
+            requiredNetworkType: NetworkType.ANY), (String taskId) async {
+      // Callback
+      debugPrint("[BackgroundFetch] Event získán $taskId");
+      var d = await LoginManager.getDetails();
+      if (d != null) {
+        // TODO
+      }
+      BackgroundFetch.finish(taskId);
+    }, (String taskId) async {
+      debugPrint("[BackgroundFetch] TASK TIMEOUT taskId: $taskId");
+      BackgroundFetch.finish(taskId);
+    });
+    debugPrint('[BackgroundFetch] úspěšně nakonfigurováno: $status');
+  }
+
   @override
   void initState() {
     super.initState();
     LoginManager.getDetails().then((r) async {
-      var connectivityResult = await (Connectivity().checkConnectivity());
-      if (connectivityResult == ConnectivityResult.none) {
-        ScaffoldMessenger.of(context).hideCurrentSnackBar();
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(
-            content: Text(Languages.of(context)!.errorContacting),
-          ),
+      if (Platform.isIOS) {
+        // žádat o oprávnění na iOS
+        await flutterLocalNotificationsPlugin
+            .resolvePlatformSpecificImplementation<
+                IOSFlutterLocalNotificationsPlugin>()
+            ?.requestPermissions(
+              alert: true,
+              badge: true,
+              sound: true,
             );
-        goOffline();
       }
-
       if (r != null) {
+        // Automaticky přihlásit
         showDialog(
             context: context,
             barrierDismissible: false,
@@ -123,6 +213,7 @@ class _LoginPageState extends State<LoginPage> {
           }
           const storage = FlutterSecureStorage();
           var odsouhlasil = await storage.read(key: "oc_souhlas");
+          nastavitPozadi();
           if (odsouhlasil == null || odsouhlasil != "ano") {
             Navigator.pushReplacement(
                 context,
@@ -260,6 +351,7 @@ class _LoginPageState extends State<LoginPage> {
                             LoginManager.setDetails(userControl.text,
                                 passControl.text, canteenControl.text);
                           }
+                          nastavitPozadi();
                           // souhlas
                           const storage = FlutterSecureStorage();
                           var odsouhlasil =

lib/okna/nastaveni.dart

@@ -17,6 +17,8 @@ class _NastaveniState extends State<Nastaveni> {
   bool _ukladatOffline = false;
   bool _preskakovatVikend = false;
   bool _kontrolovatTyden = false;
+  bool _oznameniObed = false;
+  String? _oznameniCas;
 
   void najitNastaveni() async {
     var preferences = await SharedPreferences.getInstance();
@@ -24,6 +26,8 @@ class _NastaveniState extends State<Nastaveni> {
       _ukladatOffline = preferences.getBool("offline") ?? false;
       _preskakovatVikend = preferences.getBool("skip") ?? false;
       _kontrolovatTyden = preferences.getBool("tyden") ?? false;
+      _oznameniObed = preferences.getBool("oznamit") ?? false;
+      _oznameniCas = preferences.getString("oznameni_cas");
     });
   }
 
@@ -91,6 +95,26 @@ class _NastaveniState extends State<Nastaveni> {
                       });
                     })
               ],
+            ),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Text(Languages.of(context)!.skipWeekend),
+                Switch(
+                    value: _oznameniObed,
+                    onChanged: (value) {
+                      setState(() {
+                        _oznameniObed = value;
+                        zmenitNastaveni("oznamit", value);
+                      });
+                    })
+              ],
+            ),
+            Text(Languages.of(context)!.notifyAt),
+            TimePickerDialog(
+              initialTime: (_oznameniCas == null)
+                  ? TimeOfDay.now()
+                  : TimeOfDay.fromDateTime(DateTime.parse(_oznameniCas!)),
             )
           ],
         ),

pubspec.lock

@@ -22,6 +22,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.8.2"
+  background_fetch:
+    dependency: "direct main"
+    description:
+      name: background_fetch
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   canteenlib:
     dependency: "direct main"
     description:
@@ -57,48 +64,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.16.0"
-  connectivity_plus:
-    dependency: "direct main"
-    description:
-      name: connectivity_plus
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.2.1"
-  connectivity_plus_linux:
-    dependency: transitive
-    description:
-      name: connectivity_plus_linux
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
-  connectivity_plus_macos:
-    dependency: transitive
-    description:
-      name: connectivity_plus_macos
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.1"
-  connectivity_plus_platform_interface:
-    dependency: transitive
-    description:
-      name: connectivity_plus_platform_interface
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
-  connectivity_plus_web:
-    dependency: transitive
-    description:
-      name: connectivity_plus_web
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
-  connectivity_plus_windows:
-    dependency: transitive
-    description:
-      name: connectivity_plus_windows
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
   crypto:
     dependency: transitive
     description:
@@ -153,6 +118,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "9.5.3+1"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.2"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.0"
   flutter_localizations:
     dependency: "direct main"
     description: flutter
@@ -268,13 +254,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
-  nm:
-    dependency: transitive
-    description:
-      name: nm
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.5.0"
   path:
     dependency: transitive
     description:
@@ -441,6 +420,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.8.0"
   typed_data:
     dependency: transitive
     description:

pubspec.yaml

@@ -17,12 +17,13 @@ dependencies:
   flutter_localizations: 
     sdk: flutter
   canteenlib: ^0.1.0-alpha.16
-  connectivity_plus: ^2.2.1
   flutter_secure_storage: ^5.0.2
   url_launcher: ^6.0.20
   path_provider: ^2.0.9
   shared_preferences: ^2.0.13
   introduction_screen: ^3.0.1
+  flutter_local_notifications: ^9.5.3+1
+  background_fetch: ^1.1.0
 
 dev_dependencies:
   flutter_lints: ^1.0.0