✨ Sign in check

lib/i18n/app_en.arb

@@ -5,6 +5,7 @@
   "account": "Account",
   "signIn": "Sign In",
   "signInCaption": "Sign in to create post, start a realm, message your friend and more!",
+  "signInRequired": "Sign in required",
   "signUp": "Sign Up",
   "signUpCaption": "Create an account on Solarpass and then get the access of entire Solar Networks!",
   "confirmation": "Confirmation",

lib/i18n/app_zh.arb

@@ -5,6 +5,7 @@
   "account": "账号",
   "signIn": "登陆",
   "signInCaption": "登陆以发表帖子、文章、创建领域、和你的朋友聊天，以及获取更多功能！",
+  "signInRequired": "请先登陆",
   "signUp": "注册",
   "signUpCaption": "在 Solarpass 注册一个账号以获得整个 Solar Networks 的存取权！",
   "confirmation": "确认",

lib/screens/chat/index.dart

@@ -8,6 +8,7 @@ import 'package:solian/router.dart';
 import 'package:solian/utils/service_url.dart';
 import 'package:solian/widgets/indent_wrapper.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:solian/widgets/signin_required.dart';
 
 class ChatIndexScreen extends StatefulWidget {
   const ChatIndexScreen({super.key});
@@ -50,9 +51,18 @@ class _ChatIndexScreenState extends State<ChatIndexScreen> {
 
   @override
   Widget build(BuildContext context) {
+    final auth = context.read<AuthProvider>();
+
     return IndentWrapper(
       title: AppLocalizations.of(context)!.chat,
-      child: RefreshIndicator(
+      child: FutureBuilder(
+          future: auth.isAuthorized(),
+          builder: (context, snapshot) {
+            if (!snapshot.hasData || !snapshot.data!) {
+              return const SignInRequiredScreen();
+            }
+
+            return RefreshIndicator(
               onRefresh: () => fetchChannels(context),
               child: ListView.builder(
                 itemCount: _channels.length,
@@ -76,7 +86,8 @@ class _ChatIndexScreenState extends State<ChatIndexScreen> {
                   );
                 },
               ),
-      ),
+            );
+          }),
     );
   }
 }

lib/widgets/signin_required.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:solian/router.dart';
+
+class SignInRequiredScreen extends StatelessWidget {
+  const SignInRequiredScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      child: Center(
+        child: Container(
+          constraints: const BoxConstraints(maxWidth: 340),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              const Icon(Icons.login, size: 40),
+              const SizedBox(height: 20),
+              Text(
+                AppLocalizations.of(context)!.signInRequired,
+                style: Theme.of(context).textTheme.headlineSmall,
+                textAlign: TextAlign.center,
+              ),
+              const SizedBox(height: 20),
+              Text(
+                AppLocalizations.of(context)!.signInCaption,
+                style: Theme.of(context).textTheme.bodyMedium,
+                textAlign: TextAlign.center,
+              )
+            ],
+          ),
+        ),
+      ),
+      onTap: () {
+        router.goNamed('account');
+      },
+    );
+  }
+
+}