Adaptive learning: Improve competency student view

src/main/java/de/tum/cit/aet/artemis/atlas/repository/CourseCompetencyRepository.java

@@ -295,5 +295,14 @@ default CourseCompetency findByIdWithLectureUnitsAndExercisesElseThrow(long comp
 
     List<CourseCompetency> findByCourseIdOrderById(long courseId);
 
+    @Query("""
+            SELECT c
+            FROM CourseCompetency c
+            WHERE c.course.id = :courseId
+                AND (SIZE(c.lectureUnitLinks) > 0 OR SIZE(c.exerciseLinks) > 0)
+            ORDER BY c.id
+            """)
+    List<CourseCompetency> findByCourseIdAndLinkedToLearningObjectOrderById(@Param("courseId") long courseId);
+
     boolean existsByIdAndCourseId(long competencyId, long courseId);
 }

src/main/java/de/tum/cit/aet/artemis/atlas/service/competency/CourseCompetencyService.java

@@ -124,10 +124,17 @@ public CourseCompetency findCompetencyWithExercisesAndLectureUnitsAndProgressFor
      *
      * @param courseId The id of the course for which to fetch the competencies
      * @param userId   The id of the user for which to fetch the progress
+     * @param filter   Whether to filter out competencies that are not linked to any learning objects
      * @return The found competency
      */
-    public List<CourseCompetency> findCourseCompetenciesWithProgressForUserByCourseId(Long courseId, Long userId) {
-        List<CourseCompetency> competencies = courseCompetencyRepository.findByCourseIdOrderById(courseId);
+    public List<CourseCompetency> findCourseCompetenciesWithProgressForUserByCourseId(long courseId, long userId, boolean filter) {
+        List<CourseCompetency> competencies;
+        if (filter) {
+            competencies = courseCompetencyRepository.findByCourseIdAndLinkedToLearningObjectOrderById(courseId);
+        }
+        else {
+            competencies = courseCompetencyRepository.findByCourseIdOrderById(courseId);
+        }
         return findProgressForCompetenciesAndUser(competencies, userId);
     }
 

src/main/java/de/tum/cit/aet/artemis/atlas/web/CourseCompetencyResource.java

@@ -167,10 +167,10 @@ public ResponseEntity<CourseCompetency> getCourseCompetency(@PathVariable long c
      */
     @GetMapping("courses/{courseId}/course-competencies")
     @EnforceAtLeastStudentInCourse
-    public ResponseEntity<List<CourseCompetency>> getCourseCompetenciesWithProgress(@PathVariable long courseId) {
+    public ResponseEntity<List<CourseCompetency>> getCourseCompetenciesWithProgress(@PathVariable long courseId, @RequestParam(defaultValue = "false") boolean filter) {
         log.debug("REST request to get competencies for course with id: {}", courseId);
         User user = userRepository.getUserWithGroupsAndAuthorities();
-        final var competencies = courseCompetencyService.findCourseCompetenciesWithProgressForUserByCourseId(courseId, user.getId());
+        final var competencies = courseCompetencyService.findCourseCompetenciesWithProgressForUserByCourseId(courseId, user.getId(), filter);
         return ResponseEntity.ok(competencies);
     }
 

src/main/webapp/app/course/competencies/course-competency.service.ts

@@ -74,11 +74,13 @@ export class CourseCompetencyService {
             .set('semester', pageable.semester);
     }
 
-    getAllForCourse(courseId: number): Observable<EntityArrayResponseType> {
-        return this.httpClient.get<CourseCompetency[]>(`${this.resourceURL}/courses/${courseId}/course-competencies`, { observe: 'response' }).pipe(
-            map((res: EntityArrayResponseType) => this.convertArrayResponseDatesFromServer(res)),
-            tap((res: EntityArrayResponseType) => res?.body?.forEach(this.sendTitlesToEntityTitleService.bind(this))),
-        );
+    getAllForCourse(courseId: number, filtered = false): Observable<EntityArrayResponseType> {
+        return this.httpClient
+            .get<CourseCompetency[]>(`${this.resourceURL}/courses/${courseId}/course-competencies${filtered ? '?filter=true' : ''}`, { observe: 'response' })
+            .pipe(
+                map((res: EntityArrayResponseType) => this.convertArrayResponseDatesFromServer(res)),
+                tap((res: EntityArrayResponseType) => res?.body?.forEach(this.sendTitlesToEntityTitleService.bind(this))),
+            );
     }
 
     getProgress(competencyId: number, courseId: number, refresh = false) {

src/main/webapp/app/entities/competency.model.ts

@@ -287,3 +287,24 @@ export function getMastery(competencyProgress: CompetencyProgress | undefined):
     // clamp the value between 0 and 100
     return Math.min(100, Math.max(0, Math.round(getProgress(competencyProgress) * getConfidence(competencyProgress))));
 }
+
+/**
+ * Simple comparator for sorting competencies by their soft due date
+ * @param a The first competency
+ * @param b The second competency
+ */
+export function compareSoftDueDate(a: CourseCompetency, b: CourseCompetency): number {
+    if (a.softDueDate) {
+        if (b.softDueDate) {
+            if (a.softDueDate.isSame(b.softDueDate)) {
+                return 0;
+            }
+            return a.softDueDate.isBefore(b.softDueDate) ? -1 : 1;
+        }
+        return -1;
+    }
+    if (b.softDueDate) {
+        return 1;
+    }
+    return 0;
+}

src/main/webapp/app/overview/course-competencies/course-competencies.component.ts

@@ -3,7 +3,7 @@ import { ActivatedRoute } from '@angular/router';
 import { AlertService } from 'app/core/util/alert.service';
 import { onError } from 'app/shared/util/global.utils';
 import { HttpErrorResponse } from '@angular/common/http';
-import { Competency, CompetencyJol, CourseCompetencyType, getMastery } from 'app/entities/competency.model';
+import { Competency, CompetencyJol, CourseCompetencyType, compareSoftDueDate, getMastery } from 'app/entities/competency.model';
 import { Subscription, forkJoin, of } from 'rxjs';
 import { Course } from 'app/entities/course.model';
 import { faAngleDown, faAngleUp } from '@fortawesome/free-solid-svg-icons';
@@ -86,13 +86,13 @@ export class CourseCompetenciesComponent implements OnInit, OnDestroy {
     loadData() {
         this.isLoading = true;
 
-        const courseCompetencyObservable = this.courseCompetencyService.getAllForCourse(this.courseId);
+        const courseCompetencyObservable = this.courseCompetencyService.getAllForCourse(this.courseId, true);
         const competencyJolObservable = this.judgementOfLearningEnabled ? this.courseCompetencyService.getJoLAllForCourse(this.courseId) : of(undefined);
 
         forkJoin([courseCompetencyObservable, competencyJolObservable]).subscribe({
             next: ([courseCompetencies, judgementOfLearningMap]) => {
                 const courseCompetenciesResponse = courseCompetencies.body ?? [];
-                this.competencies = courseCompetenciesResponse.filter((competency) => competency.type === CourseCompetencyType.COMPETENCY);
+                this.competencies = courseCompetenciesResponse.filter((competency) => competency.type === CourseCompetencyType.COMPETENCY).sort(compareSoftDueDate);
                 this.prerequisites = courseCompetenciesResponse.filter((competency) => competency.type === CourseCompetencyType.PREREQUISITE);
 
                 if (judgementOfLearningMap !== undefined) {

src/test/java/de/tum/cit/aet/artemis/atlas/competency/AbstractCompetencyPrerequisiteIntegrationTest.java

@@ -225,6 +225,20 @@
         assertThat(competenciesOfCourse.stream().filter(l -> l.getId().equals(newCompetency.getId())).findFirst().orElseThrow().getLectureUnitLinks()).isEmpty();
     }
 
+    abstract List<? extends CourseCompetency> getAllFilteredCall(long courseId, HttpStatus expectedStatus) throws Exception;
+
+    // Test
+    void shouldReturnCompetenciesForCourseFiltered(CourseCompetency newCompetency) throws Exception {
+        newCompetency.setTitle("Title");
+        newCompetency.setDescription("Description");
+        newCompetency.setCourse(course);
+        courseCompetencyRepository.save(newCompetency);
+
+        List<? extends CourseCompetency> competenciesOfCourse = getAllFilteredCall(course.getId(), HttpStatus.OK);
+
+        assertThat(competenciesOfCourse).noneMatch(c -> c.getId().equals(courseCompetency.getId()));
+    }
+
     // Test
     void testShouldReturnForbiddenForStudentNotInCourse() throws Exception {
         getAllCall(course.getId(), HttpStatus.FORBIDDEN);

src/test/java/de/tum/cit/aet/artemis/atlas/competency/CompetencyIntegrationTest.java

@@ -109,6 +109,11 @@ void shouldReturnCompetenciesForStudentOfCourse() throws Exception {
         super.shouldReturnCompetenciesForCourse(new Competency());
     }
 
+    @Override
+    List<? extends CourseCompetency> getAllFilteredCall(long courseId, HttpStatus expectedStatus) throws Exception {
+        throw new UnsupportedOperationException("Not implemented for competencies");
+    }
+
     @Test
     @WithMockUser(username = TEST_PREFIX + "student42", roles = "USER")
     void testShouldReturnForbiddenForStudentNotInCourse() throws Exception {

src/test/java/de/tum/cit/aet/artemis/atlas/competency/CourseCompetencyIntegrationTest.java

@@ -152,6 +152,17 @@ void shouldReturnCompetenciesForStudentOfCourse() throws Exception {
         super.shouldReturnCompetenciesForCourse(new Competency());
     }
 
+    @Override
+    List<? extends CourseCompetency> getAllFilteredCall(long courseId, HttpStatus expectedStatus) throws Exception {
+        return request.getList("/api/courses/" + courseId + "/course-competencies?filtered=true", expectedStatus, CourseCompetency.class);
+    }
+
+    @Test
+    @WithMockUser(username = TEST_PREFIX + "student1", roles = "USER")
+    void shouldReturnCompetenciesForStudentOfCourseFiltered() throws Exception {
+        super.shouldReturnCompetenciesForCourseFiltered(new Competency());
+    }
+
     @Test
     @WithMockUser(username = TEST_PREFIX + "student42", roles = "USER")
     void testShouldReturnForbiddenForStudentNotInCourse() throws Exception {

src/test/java/de/tum/cit/aet/artemis/atlas/competency/PrerequisiteIntegrationTest.java

@@ -109,6 +109,11 @@ void shouldReturnCompetenciesForStudentOfCourse() throws Exception {
         super.shouldReturnCompetenciesForCourse(new Prerequisite());
     }
 
+    @Override
+    List<? extends CourseCompetency> getAllFilteredCall(long courseId, HttpStatus expectedStatus) throws Exception {
+        throw new UnsupportedOperationException("Not implemented for prerequisites");
+    }
+
     @Test
     @WithMockUser(username = TEST_PREFIX + "student42", roles = "USER")
     void shouldReturnCompetenciesForStudentNotInCourse() throws Exception {