Improve error handling and presentation

assets/translations/strings.i18n.json

@@ -63,7 +63,7 @@
         "update": {
             "buttonTxt": "Update",
             "tooltip": "Update Profile",
-            "failureMsg": "Update Failed: ${reason}",
+            "failureMsg": "Update Failed",
             "successMsg": "Profile updated successfully"
         },
         "edit": {
@@ -241,6 +241,13 @@
             "notFound": "Profile Not Found",
             "invalidUrl": "Invalid URL",
             "invalidConfig": "Invalid Configs"
+        },
+        "connection": {
+            "unexpected": "Unexpected error",
+            "timeout": "Connection timeout",
+            "badCertificate": "Bad certificate",
+            "badResponse": "Bad response",
+            "connectionError": "Connection error"
         }
     }
 }

assets/translations/strings_fa.i18n.json

@@ -63,7 +63,7 @@
         "update": {
             "buttonTxt": "بروزرسانی",
             "tooltip": "بروزرسانی پروفایل",
-            "failureMsg": "در بروزرسانی پروفایل خطایی رخ داد: ${reason}",
+            "failureMsg": "در بروزرسانی پروفایل خطایی رخ داد",
             "successMsg": "پروفایل با موفقیت بروزرسانی شد"
         },
         "edit": {
@@ -241,6 +241,13 @@
             "notFound": "پروفایل یافت نشد",
             "invalidUrl": "لینک نامعتبر",
             "invalidConfig": "کانفیگ غیر معتبر"
+        },
+        "connection": {
+            "unexpected": "خطای غیرمنتظره",
+            "timeout": "درخواست بیش از حد مجاز زمان برد",
+            "badCertificate": "خطای اعتبار سنجی",
+            "badResponse": "پاسخ نامعتبر",
+            "connectionError": "خطای اتصال"
         }
     }
 }

lib/domain/failures.dart

@@ -15,7 +15,7 @@ extension ErrorPresenter on TranslationsEn {
         final err = error.present(this);
         return err.type + (err.message == null ? "" : ": ${err.message}");
       case DioException():
-        return error.toString();
+        return error.present(this);
       default:
         return null;
     }
@@ -27,8 +27,37 @@ extension ErrorPresenter on TranslationsEn {
   String? mayPrintError(Object? error) =>
       error != null ? _errorToMessage(error) : null;
 
-  ({String type, String? message}) presentError(Object error) {
+  ({String type, String? message}) presentError(
-    if (error case Failure()) return error.present(this);
+    Object error, {
-    return (type: failure.unexpected, message: null);
+    String? action,
+  }) {
+    final ({String type, String? message}) presentable;
+    if (error case Failure()) {
+      presentable = error.present(this);
+    } else {
+      presentable = (type: failure.unexpected, message: null);
+    }
+    return (
+      type: action == null ? presentable.type : "$action: ${presentable.type}",
+      message: presentable.message,
+    );
+  }
+}
+
+extension DioExceptionPresenter on DioException {
+  String presentType(TranslationsEn t) => switch (type) {
+        DioExceptionType.connectionTimeout ||
+        DioExceptionType.sendTimeout ||
+        DioExceptionType.receiveTimeout =>
+          t.failure.connection.timeout,
+        DioExceptionType.badCertificate => t.failure.connection.badCertificate,
+        DioExceptionType.badResponse => t.failure.connection.badResponse,
+        DioExceptionType.connectionError =>
+          t.failure.connection.connectionError,
+        _ => t.failure.unexpected,
+      };
+
+  String present(TranslationsEn t) {
+    return presentType(t) + (message == null ? "" : "\n$message");
   }
 }

lib/features/common/common_controllers.dart

@@ -1,3 +1,4 @@
+import 'package:dartx/dartx.dart';
 import 'package:hiddify/core/prefs/general_prefs.dart';
 import 'package:hiddify/features/common/app_update_notifier.dart';
 import 'package:hiddify/features/common/connectivity/connectivity_controller.dart';
@@ -19,7 +20,8 @@ void commonControllers(CommonControllersRef ref) {
     introCompletedProvider,
     (_, completed) async {
       if (completed) {
-        await ref.read(cronServiceProvider).startScheduler();
+        await Future.delayed(5.seconds)
+            .then((_) async => ref.read(cronServiceProvider).startScheduler());
       }
     },
     fireImmediately: true,

lib/features/common/profile_tile.dart

@@ -176,7 +176,9 @@ class ProfileActionButton extends HookConsumerWidget {
 
     final updateProfileMutation = useMutation(
       initialOnFailure: (err) {
-        CustomAlertDialog.fromErr(t.presentError(err)).show(context);
+        CustomAlertDialog.fromErr(
+          t.presentError(err, action: t.profile.update.failureMsg),
+        ).show(context);
       },
       initialOnSuccess: () =>
           CustomToast.success(t.profile.update.successMsg).show(context),
@@ -241,7 +243,9 @@ class ProfileActionsMenu extends HookConsumerWidget {
 
     final updateProfileMutation = useMutation(
       initialOnFailure: (err) {
-        CustomAlertDialog.fromErr(t.presentError(err)).show(context);
+        CustomAlertDialog.fromErr(
+          t.presentError(err, action: t.profile.update.failureMsg),
+        ).show(context);
       },
       initialOnSuccess: () =>
           CustomToast.success(t.profile.update.successMsg).show(context),

lib/features/profiles/notifier/profiles_update_notifier.dart

@@ -1,9 +1,5 @@
-import 'package:flutter/material.dart';
 import 'package:fpdart/fpdart.dart';
-import 'package:hiddify/core/core_providers.dart';
-import 'package:hiddify/core/router/router.dart';
 import 'package:hiddify/data/data_providers.dart';
-import 'package:hiddify/domain/failures.dart';
 import 'package:hiddify/domain/profiles/profiles.dart';
 import 'package:hiddify/services/service_providers.dart';
 import 'package:hiddify/utils/utils.dart';
@@ -20,22 +16,6 @@ typedef ProfileUpdateResult = ({
 class ProfilesUpdateNotifier extends _$ProfilesUpdateNotifier with AppLogger {
   @override
   Stream<ProfileUpdateResult> build() {
-    ref.listenSelf(
-      (previous, next) {
-        if (next case AsyncData(value: final result)) {
-          final t = ref.read(translationsProvider);
-          final context = rootNavigatorKey.currentContext;
-          if (context == null || !context.mounted) return;
-          SnackBar(content: Text(t.profile.update.successMsg));
-          switch (result.failureOrSuccess) {
-            case Right():
-              CustomToast.success(t.profile.update.successMsg).show(context);
-            case Left(value: final err):
-              CustomToast.error(t.printError(err)).show(context);
-          }
-        }
-      },
-    );
     _schedule();
     return const Stream.empty();
   }