From 0974587cad667b5c217d16636b8e5106416d941e Mon Sep 17 00:00:00 2001
From: AlexVincent525 <github@alexv525.com>
Date: Tue, 11 Feb 2020 14:16:55 +0800
Subject: [PATCH] :sparkles: Link user flag judgement with pages and providers.

---
 lib/main.dart                 | 29 +++++++++++++++++------------
 lib/model/user_info.dart      |  6 +++---
 lib/pages/home/apps_page.dart | 33 +++++++++++++++++++--------------
 3 files changed, 39 insertions(+), 29 deletions(-)

diff --git a/lib/main.dart b/lib/main.dart
index 40d1fe28..9733b02c 100755
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -56,6 +56,7 @@ class OpenJMUAppState extends State<OpenJMUApp> with WidgetsBindingObserver {
   );
 
   int initAction;
+
   Brightness get _platformBrightness => Screens.mediaQuery.platformBrightness ?? Brightness.light;
 
   @override
@@ -65,16 +66,28 @@ class OpenJMUAppState extends State<OpenJMUApp> with WidgetsBindingObserver {
     tryRecoverLoginInfo();
 
     Instances.eventBus
+      ..on<TicketGotEvent>().listen((event) {
+        if (!currentUser.isTeacher) {
+          if (!currentUser.isPostgraduate) {
+            Provider.of<CoursesProvider>(currentContext, listen: false).initCourses();
+            Provider.of<ScoresProvider>(currentContext, listen: false).initScore();
+          }
+        }
+        Provider.of<MessagesProvider>(currentContext, listen: false).initMessages();
+        Provider.of<ReportRecordsProvider>(currentContext, listen: false).initRecords();
+        Provider.of<WebAppsProvider>(currentContext, listen: false).initApps();
+      })
       ..on<LogoutEvent>().listen((event) {
-        DataUtils.logout();
         navigatorState.pushNamedAndRemoveUntil(
           Routes.OPENJMU_LOGIN,
           (_) => false,
           arguments: {'initAction': initAction},
         );
         if (!currentUser.isTeacher) {
-          Provider.of<CoursesProvider>(currentContext, listen: false).unloadCourses();
-          Provider.of<ScoresProvider>(currentContext, listen: false).unloadScore();
+          if (!currentUser.isPostgraduate) {
+            Provider.of<CoursesProvider>(currentContext, listen: false).unloadCourses();
+            Provider.of<ScoresProvider>(currentContext, listen: false).unloadScore();
+          }
         }
         Provider.of<MessagesProvider>(currentContext, listen: false).unloadMessages();
         Provider.of<ReportRecordsProvider>(currentContext, listen: false).unloadRecords();
@@ -83,15 +96,7 @@ class OpenJMUAppState extends State<OpenJMUApp> with WidgetsBindingObserver {
           Provider.of<ThemesProvider>(currentContext, listen: false).resetTheme();
           Provider.of<SettingsProvider>(currentContext, listen: false).reset();
         });
-      })
-      ..on<TicketGotEvent>().listen((event) {
-        if (!currentUser.isTeacher) {
-          Provider.of<CoursesProvider>(currentContext, listen: false).initCourses();
-          Provider.of<ScoresProvider>(currentContext, listen: false).initScore();
-        }
-        Provider.of<MessagesProvider>(currentContext, listen: false).initMessages();
-        Provider.of<ReportRecordsProvider>(currentContext, listen: false).initRecords();
-        Provider.of<WebAppsProvider>(currentContext, listen: false).initApps();
+        DataUtils.logout();
       })
       ..on<ActionsEvent>().listen((event) {
         initAction = Constants.quickActionsList.keys
diff --git a/lib/model/user_info.dart b/lib/model/user_info.dart
index 7ec4e53e..b4b824e6 100644
--- a/lib/model/user_info.dart
+++ b/lib/model/user_info.dart
@@ -78,7 +78,7 @@ class UserInfo {
     } else {
       final int code = int.tryParse(workId.substring(4, 6));
       if (code == null) return false;
-      return code >= 10 && code <= 19;
+      return (code >= 10 && code <= 19);
     }
   }
 
@@ -89,7 +89,7 @@ class UserInfo {
     } else {
       final int code = int.tryParse(workId.substring(4, 6));
       if (code == null) return false;
-      return code >= 30 && code <= 39;
+      return (code >= 30 && code <= 39);
     }
   }
 
@@ -100,7 +100,7 @@ class UserInfo {
     } else {
       final int code = int.tryParse(workId.substring(4, 6));
       if (code == null) return false;
-      return code >= 41 && code <= 45;
+      return (code >= 41 && code <= 45);
     }
   }
 
diff --git a/lib/pages/home/apps_page.dart b/lib/pages/home/apps_page.dart
index dc9fec38..c647a1bd 100755
--- a/lib/pages/home/apps_page.dart
+++ b/lib/pages/home/apps_page.dart
@@ -17,7 +17,11 @@ class AppsPage extends StatefulWidget {
 
 class AppsPageState extends State<AppsPage>
     with TickerProviderStateMixin, AutomaticKeepAliveClientMixin {
-  static List<String> get tabs => ['课程表', if (!(currentUser?.isTeacher ?? false)) '成绩', '应用'];
+  static List<String> get tabs => [
+        if (!(currentUser?.isPostgraduate ?? false)) '课程表',
+        if (!((currentUser?.isTeacher ?? false) || (currentUser?.isPostgraduate ?? false))) '成绩',
+        '应用',
+      ];
   final refreshIndicatorKey = GlobalKey<RefreshIndicatorState>();
 
   final _scrollController = ScrollController();
@@ -190,19 +194,20 @@ class AppsPageState extends State<AppsPage>
                   cacheExtent: 3,
                   controller: _tabController,
                   children: <Widget>[
-                    currentUser.isTeacher != null
-                        ? currentUser?.isTeacher ?? false
-                            ? InAppBrowserPage(
-                                url: '${API.courseScheduleTeacher}'
-                                    '?sid=${currentUser.sid}'
-                                    '&night=${dark ? 1 : 0}',
-                                title: '课程表',
-                                withAppBar: false,
-                                withAction: false,
-                                keepAlive: true,
-                              )
-                            : CourseSchedulePage(key: Instances.courseSchedulePageStateKey)
-                        : SizedBox.shrink(),
+                    if (tabs.contains('课程表'))
+                      currentUser.isTeacher != null
+                          ? currentUser?.isTeacher ?? false
+                              ? InAppBrowserPage(
+                                  url: '${API.courseScheduleTeacher}'
+                                      '?sid=${currentUser.sid}'
+                                      '&night=${dark ? 1 : 0}',
+                                  title: '课程表',
+                                  withAppBar: false,
+                                  withAction: false,
+                                  keepAlive: true,
+                                )
+                              : CourseSchedulePage(key: Instances.courseSchedulePageStateKey)
+                          : SizedBox.shrink(),
                     if (tabs.contains('成绩')) ScorePage(),
                     AppCenterPage(
                       refreshIndicatorKey: refreshIndicatorKey,