add updateDisplayPinnedCourse fo the pinned view

lib/models/user/user_state_model.dart

@@ -18,6 +18,8 @@ class UserState {
   final Semester? current;
   final String? currentAsString;
   final List<Course>? displayedCourses;
+  final List<Course>? displayedPinnedCourses;
+
   const UserState({
     this.isLoading = false,
     this.user,
@@ -33,6 +35,7 @@ class UserState {
     this.current,
     this.currentAsString,
     this.displayedCourses,
+    this.displayedPinnedCourses,
   });
 
   UserState copyWith({
@@ -49,7 +52,8 @@ class UserState {
     List<String>? semestersAsString,
     Semester? current,
     String? currentAsString,
-    List<Course>? displayedCourses,}) {
+    List<Course>? displayedCourses,
+    List<Course>? displayedPinnedCourses,}) {
     return UserState(
       isLoading: isLoading ?? this.isLoading,
       user: user ?? this.user,
@@ -65,6 +69,7 @@ class UserState {
       current: current ?? this.current,
       currentAsString: currentAsString ?? this.currentAsString,
       displayedCourses: displayedCourses ?? this.displayedCourses,
+      displayedPinnedCourses: displayedPinnedCourses ?? this.displayedPinnedCourses,
     );
   }
 
@@ -77,6 +82,8 @@ class UserState {
     List<Course>? publicCourses,
     AppError? error,
     List<Course>? downloadedCourses,
+    List<Course>? displayedCourses,
+    List<Course>? displayedPinnedCourses,
     List<Semester>? semesters,
   }) {
     return UserState(
@@ -89,6 +96,12 @@ class UserState {
       error: null,
       downloadedCourses: downloadedCourses ?? this.downloadedCourses,
       semesters: semesters ?? this.semesters,
+      selectedSemester: selectedSemester,
+      semestersAsString: semestersAsString,
+      current: current,
+      currentAsString: currentAsString,
+      displayedCourses: displayedCourses ?? this.displayedCourses,
+      displayedPinnedCourses: displayedPinnedCourses ?? this.displayedPinnedCourses,
     );
   }
 }

lib/view_models/user_view_model.dart

@@ -134,7 +134,7 @@ class UserViewModel extends StateNotifier<UserState> {
     try {
       var courses = await PinnedHandler(_grpcHandler).fetchUserPinned();
       state = state.copyWith(userPinned: courses, isLoading: false);
-      setUpDisplayedCourses(state.userPinned ?? []);
+      setUpDisplayedPinnedCourses(state.userPinned ?? []);
     } catch (e) {
       _logger.e(e);
       state = state.copyWith(error: e as AppError, isLoading: false);
@@ -216,6 +216,15 @@ class UserViewModel extends StateNotifier<UserState> {
     );
   }
 
+  void updateSelectedPinnedSemester(String? semester, List<Course> allCourses) {
+    state = state.copyWith(selectedSemester: semester);
+    updatedDisplayedPinnedCourses(CourseUtils.filterCoursesBySemester(
+      allCourses,
+      state.selectedSemester ?? 'All',
+    ),
+    );
+  }
+
   void setSemestersAsString(List<Semester> semesters) {
     state = state.copyWith(
         semestersAsString: CourseUtils.convertAndSortSemesters(semesters, true),
@@ -226,14 +235,26 @@ class UserViewModel extends StateNotifier<UserState> {
     state = state.copyWith(displayedCourses: displayedCourses);
   }
 
+  void updatedDisplayedPinnedCourses(List<Course> displayedPinnedCourses) {
+    state = state.copyWith(displayedPinnedCourses: displayedPinnedCourses);
+  }
+
+
   void setUpDisplayedCourses(List<Course> allCourses) {
     CourseUtils.sortCourses(allCourses, 'Newest First');
     updatedDisplayedCourses(CourseUtils.filterCoursesBySemester(
         allCourses,
         state.selectedSemester ?? 'All',
       ),
     );
-
   }
-
+
+  void setUpDisplayedPinnedCourses(List<Course> allCourses) {
+    CourseUtils.sortCourses(allCourses, 'Newest First');
+    updatedDisplayedPinnedCourses(CourseUtils.filterCoursesBySemester(
+        allCourses,
+        state.selectedSemester ?? 'All',
+      ),
+    );
+  }
 }

lib/views/course_view/pinned_courses_view/pinned_courses_view.dart

@@ -42,33 +42,33 @@ class PinnedCoursesState extends ConsumerState<PinnedCourses> {
     var userPinned = ref.watch(userViewModelProvider).userPinned ?? [];
     ref
         .read(userViewModelProvider.notifier)
-        .updateSelectedSemester(selectedSemester, userPinned);
+        .updateSelectedPinnedSemester(selectedSemester, userPinned);
   }
 
   void _searchCourses() {
     final userViewModelNotifier = ref.read(userViewModelProvider.notifier);
     final searchInput = searchController.text.toLowerCase();
     var displayedCourses =
-        ref.watch(userViewModelProvider).displayedCourses ?? [];
+        ref.watch(userViewModelProvider).displayedPinnedCourses ?? [];
     if (!isSearchInitialized) {
       temp = List.from(displayedCourses);
       isSearchInitialized = true;
     }
     if (searchInput.isEmpty) {
-      userViewModelNotifier.updatedDisplayedCourses(temp);
+      userViewModelNotifier.updatedDisplayedPinnedCourses(temp);
       isSearchInitialized = false;
     } else {
       displayedCourses = displayedCourses.where((course) {
         return course.name.toLowerCase().contains(searchInput) ||
             course.slug.toLowerCase().contains(searchInput);
       }).toList();
-      userViewModelNotifier.updatedDisplayedCourses(displayedCourses);
+      userViewModelNotifier.updatedDisplayedPinnedCourses(displayedCourses);
     }
   }
 
   @override
   Widget build(BuildContext context) {
-    final userPinned = ref.watch(userViewModelProvider).displayedCourses ?? [];
+    final userPinned = ref.watch(userViewModelProvider).displayedPinnedCourses ?? [];
     final liveStreams = ref.watch(videoViewModelProvider).liveStreams ?? [];
     var liveCourseIds = liveStreams.map((stream) => stream.courseID).toSet();
     List<Course> liveCourses = userPinned.where((course) => liveCourseIds.contains(course.id)).toList();