Merge pull request #132 from camelus-hq/copilot/show-feed-without-login

Enable feed viewing without login using read-only NDK accounts

Author: 1-leo

lib/config/camelus_config.dart

@@ -11,4 +11,10 @@ class CamelusConfig {
   static const notificationGUid = "7d199e2a-2278-478f-88c7-af410c4ebbad";
 
   static const firebaseEnabled = true;
+
+  /// Default read-only pubkey for anonymous users (before login)
+  /// This is a well-known public account used to populate the feed for new users
+  /// Users can follow popular accounts through this read-only view
+  static const String defaultAnonReadPubkey =
+      "76c71aae3a491f1d9eec47cba17e229cda4113a0bbb6e6ae1776d7643e29cafa";
 }

lib/domain_layer/entities/stored_account.dart

@@ -2,7 +2,7 @@ import 'package:ndk/ndk.dart';
 
 import 'key_pair.dart';
 
-enum LoginType { register, privateKey, amber, bunkerConnection }
+enum LoginType { register, privateKey, amber, bunkerConnection, readOnly, anon }
 
 class StartupAccountData {
   final LoginType loginType;

lib/domain_layer/usecases/app_auth.dart

@@ -1,13 +1,18 @@
 import 'dart:async';
 import 'dart:convert';
+import 'dart:ui';
 
 import 'package:amberflutter/amberflutter.dart';
 import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:go_router/go_router.dart';
 import 'package:ndk/data_layer/repositories/signers/nip46_event_signer.dart';
 import 'package:ndk/ndk.dart';
 import 'package:ndk/shared/nips/nip19/nip19.dart';
 import 'package:ndk_amber/ndk_amber.dart';
+import 'package:phosphor_flutter/phosphor_flutter.dart';
+import '../../l10n/app_localizations.dart';
 import '../../presentation_layer/providers/signer_provider.dart';
 import '../entities/stored_account.dart';
 
@@ -127,6 +132,18 @@ class AppAuth {
           return null;
         }
 
+      case LoginType.readOnly:
+        // For read-only accounts, use NDK's loginReadOnlyPubkey
+        if (startupAccountData.account?.pubkey != null) {
+          ndk.accounts.loginPublicKey(
+            pubkey: startupAccountData.account!.pubkey!,
+          );
+        }
+        return null;
+
+      case LoginType.anon:
+        return null;
+
       case LoginType.register:
         return null;
     }
@@ -141,7 +158,7 @@ class AppAuth {
     );
 
     if (activeAccountPubkey == null || storedAccountsString == null) {
-      return StartupAccountData(loginType: LoginType.register);
+      return StartupAccountData(loginType: LoginType.anon);
     }
 
     final storedAccounts = jsonDecode(storedAccountsString) as List;
@@ -160,7 +177,7 @@ class AppAuth {
       // if no match found, use last account or register if list is empty
       matchedAccount = storedAccountsList.isNotEmpty
           ? storedAccountsList.last
-          : LocalStorageAccount(loginType: LoginType.register);
+          : LocalStorageAccount(loginType: LoginType.anon);
     }
 
     return StartupAccountData(
@@ -202,4 +219,42 @@ class AppAuth {
     await secureStorage.delete(key: AppAuth.activeAccountPubkeyStorageKey);
     await secureStorage.delete(key: AppAuth.accountStorageKey);
   }
+
+  static void showLoginPrompt(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (context) => BackdropFilter(
+        filter: ImageFilter.blur(sigmaX: 5, sigmaY: 5),
+        child: AlertDialog(
+          icon: Icon(
+            PhosphorIcons.lockKey(),
+            size: 48,
+            color: Theme.of(context).colorScheme.primary,
+          ),
+          title: Text(
+            AppLocalizations.of(context)!.loginRegistrationRequired,
+            textAlign: TextAlign.center,
+          ),
+          content: Text(
+            AppLocalizations.of(context)!.pleaseLoginToInteract,
+            textAlign: TextAlign.center,
+          ),
+          actionsAlignment: MainAxisAlignment.center,
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(context),
+              child: Text(AppLocalizations.of(context)!.cancel),
+            ),
+            FilledButton(
+              onPressed: () {
+                Navigator.pop(context);
+                context.push('/onboarding');
+              },
+              child: Text(AppLocalizations.of(context)!.loginRegister),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
 }

lib/l10n/app_de.arb

@@ -195,6 +195,11 @@
   "removingFromBookmarks": "Wird aus Lesezeichen entfernt...",
   "failedToAddBookmark": "Lesezeichen konnte nicht hinzugefügt werden",
   "failedToRemoveBookmark": "Lesezeichen konnte nicht entfernt werden",
+  "pleaseLoginToManageFileServers": "Bitte melden Sie sich an, um Dateiserver zu verwalten",
+  "browseWithoutLogin": "Ohne Anmeldung durchsuchen",
+  "loginRegistrationRequired": "Anmeldung/Registrierung erforderlich",
+  "pleaseLoginToInteract": "Bitte melden Sie sich an/registrieren Sie sich, um mit Beiträgen zu interagieren",
+  "loginRegister": "Anmelden/Registrieren",
   "all": "Alle",
   "mentions": "Erwähnungen",
   "preview": "Vorschau",

lib/l10n/app_en.arb

@@ -815,6 +815,34 @@
   "@welcome": {
     "description": "Welcome greeting text"
   },
+  "pleaseLoginToManageFileServers": "Please login to manage file servers",
+  "@pleaseLoginToManageFileServers": {
+    "description": "Message shown when user is not logged in on file servers page"
+  },
+  "welcomeTo": "welcome to",
+  "@welcomeTo": {
+    "description": "Welcome greeting prefix on onboarding page"
+  },
+  "joinTheConversation": "join the conversation",
+  "@joinTheConversation": {
+    "description": "Button text to register/join Camelus"
+  },
+  "browseWithoutLogin": "Browse without login",
+  "@browseWithoutLogin": {
+    "description": "Button text to browse app without logging in"
+  },
+  "loginRegistrationRequired": "Login/Registration Required",
+  "@loginRegistrationRequired": {
+    "description": "Dialog title prompting user to login or register"
+  },
+  "pleaseLoginToInteract": "Please login/register to interact with posts",
+  "@pleaseLoginToInteract": {
+    "description": "Message explaining user needs to login to interact with content"
+  },
+  "loginRegister": "Login/Register",
+  "@loginRegister": {
+    "description": "Button text for login or register action"
+  },
   "all": "All",
   "@all": {
     "description": "All tab label for notifications and filters"

lib/l10n/app_es.arb

@@ -52,7 +52,6 @@
   "following": "Siguiendo",
   "followers": "Seguidores",
   "profile": "Perfil",
-
   "notImplementedYet": "Aún no implementado",
   "payments": "Pagos",
   "blocklist": "Lista de Bloqueados",
@@ -195,6 +194,14 @@
   "addingToBookmarks": "Agregando a marcadores...",
   "removingFromBookmarks": "Eliminando de marcadores...",
   "failedToAddBookmark": "No se pudo agregar el marcador",
+  "welcomeTo": "bienvenido a",
+  "joinTheConversation": "únete a la conversación",
+  "browseWithoutLogin": "Navegar sin iniciar sesión",
+  "loginRegistrationRequired": "Inicio de sesión/Registro requerido",
+  "pleaseLoginToInteract": "Por favor, inicia sesión/regístrate para interactuar con las publicaciones",
+  "loginRegister": "Iniciar sesión/Registrarse",
+  "failedToRemoveBookmark": "No se pudo eliminar el marcador",
+  "pleaseLoginToManageFileServers": "Por favor, inicia sesión para administrar los servidores de archivos",
   "failedToRemoveBookmark": "No se pudo eliminar el marcador",
   "all": "Todos",
   "mentions": "Menciones",
@@ -362,4 +369,4 @@
       }
     }
   }
-}
+}

lib/l10n/app_fr.arb

@@ -195,6 +195,13 @@
   "removingFromBookmarks": "Suppression des favoris...",
   "failedToAddBookmark": "Échec de l'ajout du favori",
   "failedToRemoveBookmark": "Échec de la suppression du favori",
+  "pleaseLoginToManageFileServers": "Veuillez vous connecter pour gérer les serveurs de fichiers",
+  "welcomeTo": "bienvenue à",
+  "joinTheConversation": "rejoindre la conversation",
+  "browseWithoutLogin": "Parcourir sans se connecter",
+  "loginRegistrationRequired": "Connexion/Inscription requise",
+  "pleaseLoginToInteract": "Veuillez vous connecter/vous inscrire pour interagir avec les publications",
+  "loginRegister": "Se connecter/S'inscrire",
   "all": "Tous",
   "mentions": "Mentions",
   "preview": "Aperçu",

lib/l10n/app_ja.arb

@@ -195,6 +195,13 @@
   "removingFromBookmarks": "ブックマークから削除中...",
   "failedToAddBookmark": "ブックマークの追加に失敗しました",
   "failedToRemoveBookmark": "ブックマークの削除に失敗しました",
+  "pleaseLoginToManageFileServers": "ファイルサーバーを管理するにはログインしてください",
+  "welcomeTo": "ようこそ",
+  "joinTheConversation": "会話に参加する",
+  "browseWithoutLogin": "ログインせずに閲覧",
+  "loginRegistrationRequired": "ログイン/登録が必要です",
+  "pleaseLoginToInteract": "投稿とやり取りするにはログイン/登録してください",
+  "loginRegister": "ログイン/登録",
   "all": "すべて",
   "mentions": "メンション",
   "preview": "プレビュー",

lib/l10n/app_pt.arb

@@ -195,6 +195,13 @@
   "removingFromBookmarks": "Removendo dos favoritos...",
   "failedToAddBookmark": "Falha ao adicionar favorito",
   "failedToRemoveBookmark": "Falha ao remover favorito",
+  "pleaseLoginToManageFileServers": "Por favor, faça login para gerenciar servidores de arquivos",
+  "welcomeTo": "bem-vindo ao",
+  "joinTheConversation": "participe da conversa",
+  "browseWithoutLogin": "Navegar sem fazer login",
+  "loginRegistrationRequired": "Login/Registro necessário",
+  "pleaseLoginToInteract": "Por favor, faça login/registre-se para interagir com publicações",
+  "loginRegister": "Login/Registro",
   "all": "Todos",
   "mentions": "Menções",
   "preview": "Visualização",

lib/l10n/app_ru.arb

@@ -195,6 +195,13 @@
   "removingFromBookmarks": "Удаление из закладок...",
   "failedToAddBookmark": "Не удалось добавить закладку",
   "failedToRemoveBookmark": "Не удалось удалить закладку",
+  "pleaseLoginToManageFileServers": "Пожалуйста, войдите, чтобы управлять файловыми серверами",
+  "welcomeTo": "добро пожаловать в",
+  "joinTheConversation": "присоединиться к разговору",
+  "browseWithoutLogin": "Просмотр без входа",
+  "loginRegistrationRequired": "Требуется вход/регистрация",
+  "pleaseLoginToInteract": "Пожалуйста, войдите/зарегистрируйтесь, чтобы взаимодействовать с постами",
+  "loginRegister": "Войти/Зарегистрироваться",
   "all": "Все",
   "mentions": "Упоминания",
   "preview": "Предпросмотр",