Fix courses page when no courses appear

packages/uni_app/lib/generated/intl/messages_en.dart

@@ -231,6 +231,10 @@ class MessageLookup extends MessageLookupByLibrary {
         "no_college": MessageLookupByLibrary.simpleMessage("no college"),
         "no_course_units": MessageLookupByLibrary.simpleMessage(
             "No course units in the selected period"),
+        "no_courses":
+            MessageLookupByLibrary.simpleMessage("No courses we\'re found"),
+        "no_courses_description":
+            MessageLookupByLibrary.simpleMessage("Try to refresh the page"),
         "no_data": MessageLookupByLibrary.simpleMessage(
             "There is no data to show at this time"),
         "no_date": MessageLookupByLibrary.simpleMessage("No date"),

packages/uni_app/lib/generated/intl/messages_pt_PT.dart

@@ -231,6 +231,10 @@ class MessageLookup extends MessageLookupByLibrary {
         "no_college": MessageLookupByLibrary.simpleMessage("sem faculdade"),
         "no_course_units": MessageLookupByLibrary.simpleMessage(
             "Sem cadeiras no período selecionado"),
+        "no_courses": MessageLookupByLibrary.simpleMessage(
+            "Não foram encontrados cursos"),
+        "no_courses_description":
+            MessageLookupByLibrary.simpleMessage("Tenta refrescar a página"),
         "no_data": MessageLookupByLibrary.simpleMessage(
             "Não há dados a mostrar neste momento"),
         "no_date": MessageLookupByLibrary.simpleMessage("Sem data"),

packages/uni_app/lib/l10n/intl_en.arb

@@ -375,5 +375,9 @@
   "favorite_filter": "Favorites",
   "@favorite_filter": {},
   "restaurant_period": "{period, select, lunch{Lunch} dinner{Dinner} other{Other}}",
-  "@restaurant_period": {}
+  "@restaurant_period": {},
+  "no_courses": "No courses we're found",
+  "@no_courses": {},
+  "no_courses_description": "Try to refresh the page",
+  "@no_courses_description": {}
 }

packages/uni_app/lib/l10n/intl_pt_PT.arb

@@ -376,5 +376,9 @@
   "favorite_filter": "Favoritos",
   "@favorite_filter": {},
   "restaurant_period": "{period, select, lunch{Almoço} dinner{Jantar} other{Other}}",
-  "@restaurant_period": {}
+  "@restaurant_period": {},
+  "no_courses": "Não foram encontrados cursos",
+  "@no_courses": {},
+  "no_courses_description": "Tenta refrescar a página",
+  "@no_courses_description": {}
 }

packages/uni_app/lib/view/academic_path/courses_page.dart

@@ -4,6 +4,7 @@ import 'package:uni/model/entities/course.dart';
 import 'package:uni/model/entities/profile.dart';
 import 'package:uni/model/providers/startup/profile_provider.dart';
 import 'package:uni/view/academic_path/widgets/course_units_view.dart';
+import 'package:uni/view/academic_path/widgets/no_courses_widget.dart';
 import 'package:uni/view/lazy_consumer.dart';
 import 'package:uni_ui/courses/average_bar.dart';
 import 'package:uni_ui/courses/course_info.dart';
@@ -63,14 +64,16 @@ class CoursesPageState extends State<CoursesPage> {
 
   @override
   Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.all(16),
-      child: LazyConsumer<ProfileProvider, Profile>(
-        builder: (context, profile) {
-          final courses = profile.courses;
-          final course = courses[courseUnitIndex];
+    const bottomNavbarHeight = 120.0;
 
-          return ListView(
+    return LazyConsumer<ProfileProvider, Profile>(
+      builder: (context, profile) {
+        final courses = profile.courses;
+        final course = courses[courseUnitIndex];
+
+        return Padding(
+          padding: const EdgeInsets.all(16),
+          child: ListView(
             children: [
               Center(
                 child: CourseSelection(
@@ -106,10 +109,22 @@ class CoursesPageState extends State<CoursesPage> {
                 course: course,
               ),
             ],
-          );
-        },
-        hasContent: (profile) => profile.courses.isNotEmpty,
-        onNullContent: Container(),
+          ),
+        );
+      },
+      hasContent: (profile) => profile.courses.isNotEmpty,
+      onNullContent: LayoutBuilder(
+        // Band-aid for allowing refresh on null content
+        builder: (context, constraints) => SingleChildScrollView(
+          physics: const AlwaysScrollableScrollPhysics(),
+          child: Container(
+            height: constraints.maxHeight, // Height of bottom navbar
+            padding: const EdgeInsets.only(bottom: bottomNavbarHeight),
+            child: const Center(
+              child: NoCoursesWidget(),
+            ),
+          ),
+        ),
       ),
     );
   }

packages/uni_app/lib/view/academic_path/exam_page.dart

@@ -26,6 +26,8 @@ class _ExamsPageState extends State<ExamsPage> {
 
   @override
   Widget build(BuildContext context) {
+    const bottomNavbarHeight = 120.0;
+
     /*
       If we want to filters exams again
         filteredExamTypes[Exam.getExamTypeLong(exam.examType)] ??
@@ -110,18 +112,28 @@ class _ExamsPageState extends State<ExamsPage> {
             .toList(),
       ),
       hasContent: (exams) => exams.isNotEmpty,
-      onNullContent: Center(
-        heightFactor: 1.2,
-        child: ImageLabel(
-          imagePath: 'assets/images/vacation.png',
-          label: S.of(context).no_exams_label,
-          labelTextStyle: TextStyle(
-            fontWeight: FontWeight.bold,
-            fontSize: 18,
-            color: Theme.of(context).colorScheme.primary,
+      onNullContent: LayoutBuilder(
+        // Band-aid for allowing refresh on null content
+        builder: (context, constraints) => SingleChildScrollView(
+          physics: const AlwaysScrollableScrollPhysics(),
+          child: Container(
+            height: constraints.maxHeight, // Height of bottom navbar
+            padding: const EdgeInsets.only(bottom: bottomNavbarHeight),
+            child: Center(
+              heightFactor: 1.2,
+              child: ImageLabel(
+                imagePath: 'assets/images/vacation.png',
+                label: S.of(context).no_exams_label,
+                labelTextStyle: TextStyle(
+                  fontWeight: FontWeight.bold,
+                  fontSize: 18,
+                  color: Theme.of(context).colorScheme.primary,
+                ),
+                sublabel: S.of(context).no_exams,
+                sublabelTextStyle: const TextStyle(fontSize: 15),
+              ),
+            ),
           ),
-          sublabel: S.of(context).no_exams,
-          sublabelTextStyle: const TextStyle(fontSize: 15),
         ),
       ),
     );

packages/uni_app/lib/view/academic_path/widgets/no_courses_widget.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+import 'package:uni/generated/l10n.dart';
+import 'package:uni/view/common_widgets/expanded_image_label.dart';
+
+class NoCoursesWidget extends StatelessWidget {
+  const NoCoursesWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return ImageLabel(
+      imagePath: 'assets/images/school.png',
+      label: S.of(context).no_courses,
+      labelTextStyle: TextStyle(
+        fontWeight: FontWeight.bold,
+        fontSize: 18,
+        color: Theme.of(context).colorScheme.primary,
+      ),
+      sublabel: S.of(context).no_courses_description,
+      sublabelTextStyle: Theme.of(context).textTheme.bodyLarge,
+    );
+  }
+}

packages/uni_app/lib/view/common_widgets/expanded_image_label.dart

@@ -18,6 +18,7 @@ class ImageLabel extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Column(
+      mainAxisSize: MainAxisSize.min,
       children: <Widget>[
         Image.asset(
           imagePath,

packages/uni_app/lib/view/schedule/schedule.dart

@@ -204,7 +204,7 @@ class SchedulePageViewState extends State<SchedulePageView>
 
     return Center(
       child: ImageLabel(
-        imagePath: 'assets/images/schedule.png',
+        imagePath: 'assets/images/school.png',
         label: '$noClassesText $weekday.',
         labelTextStyle: const TextStyle(fontSize: 15),
       ),