重构登录验证

lib/pages/home/home_page.dart

@@ -77,7 +77,10 @@ class _HomePageState extends State<HomePage>
            showBadge: appProvider.messageCenterModel.sysCount==0,
            position: BadgePosition.topEnd(),
            child: ColumnActionButton(
-              onPressed: MessageCenterPage().to,
+              onPressed: (){
+                
+                MessageCenterPage().to();
+              },
               title: '消息',
               path: R.ASSETS_ICONS_ALARM_PNG,
             ),

lib/ui/community/community_views/community_page.dart

@@ -1,6 +1,7 @@
 // Flutter imports:
 import 'package:akuCommunity/pages/sign/sign_in_page.dart';
 import 'package:akuCommunity/provider/user_provider.dart';
+import 'package:akuCommunity/utils/login_util.dart';
 import 'package:bot_toast/bot_toast.dart';
 import 'package:flutter/material.dart';
 
@@ -58,13 +59,7 @@ class _CommunityPageState extends State<CommunityPage>
       ],
       fab: FloatingActionButton(
         onPressed: () async {
-          final userProvider =
-              Provider.of<UserProvider>(context, listen: false);
-          if (userProvider.isNotLogin) {
-            BotToast.showText(text: '请先登录');
-            Get.to(SignInPage());
-            return;
-          }
+          if (LoginUtil.isNotLogin) return;
           bool result = await Get.to(AddNewEventPage());
           if (result == true) {
             switch (_tabController.index) {

lib/ui/community/community_views/topic/topic_detail_page.dart

@@ -2,6 +2,7 @@
 import 'package:akuCommunity/pages/sign/sign_in_page.dart';
 import 'package:akuCommunity/provider/user_provider.dart';
 import 'package:akuCommunity/ui/community/community_views/add_new_event_page.dart';
+import 'package:akuCommunity/utils/login_util.dart';
 import 'package:bot_toast/bot_toast.dart';
 import 'package:flutter/material.dart';
 
@@ -41,13 +42,7 @@ class _TopicDetailPageState extends State<TopicDetailPage> {
       floatingActionButton: FloatingActionButton(
         heroTag: 'event_add',
         onPressed: () async {
-          final userProvider =
-              Provider.of<UserProvider>(context, listen: false);
-          if (userProvider.isNotLogin) {
-            BotToast.showText(text: '请先登录');
-            Get.to(SignInPage());
-            return;
-          }
+          if (LoginUtil.isNotLogin) return;
           bool result = await Get.to(AddNewEventPage());
         },
         child: Icon(Icons.add),

lib/ui/community/community_views/widgets/chat_card.dart

@@ -3,6 +3,7 @@ import 'dart:math';
 
 // Flutter imports:
 import 'package:akuCommunity/pages/sign/sign_in_page.dart';
+import 'package:akuCommunity/utils/login_util.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
@@ -106,13 +107,7 @@ class _ChatCardState extends State<ChatCard> {
         color: Color(0xFFD8D8D8),
         materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
         onPressed: () {
-          final userProvider =
-              Provider.of<UserProvider>(context, listen: false);
-          if (userProvider.isNotLogin) {
-            BotToast.showText(text: '请先登录');
-            Get.to(SignInPage());
-            return;
-          }
+          if (LoginUtil.isNotLogin) return;
           BotToast.showAttachedWidget(
             targetContext: context,
             preferDirection: PreferDirection.leftCenter,
@@ -322,6 +317,7 @@ class _ChatCardState extends State<ChatCard> {
                       ];
                     },
                     onSelected: (_) async {
+                      if (LoginUtil.isNotLogin) return;
                       VoidCallback cancel = BotToast.showLoading();
                       await Future.delayed(
                           Duration(milliseconds: 500 + Random().nextInt(500)));

lib/utils/login_util.dart

@@ -0,0 +1,29 @@
+import 'package:akuCommunity/pages/sign/sign_in_page.dart';
+import 'package:akuCommunity/provider/user_provider.dart';
+import 'package:bot_toast/bot_toast.dart';
+import 'package:get/get.dart';
+import 'package:provider/provider.dart';
+
+/// | 名称 | 函数 |
+/// |-----|------|
+/// | 验证登录（登录状态）| LoginnUtil.isLogin |
+/// | 验证登录(未登陆状态) | LoginnUtil.isNotLogin |
+class LoginUtil {
+  /// 验证登录（登录状态）
+  ///
+  /// 未登陆状态用户跳转到登录页面
+  static bool get isLogin {
+    final userProvider = Provider.of<UserProvider>(Get.context, listen: false);
+    if (userProvider.isNotLogin) {
+      BotToast.showText(text: '请先登录');
+      Get.to(SignInPage());
+      return false;
+    }
+    return true;
+  }
+
+  /// 验证登录(未登陆状态)
+  ///
+  /// 未登陆状态用户跳转到登录页面
+  static bool get isNotLogin => !isLogin;
+}