remove unused code

src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java

@@ -853,30 +853,6 @@ public ModelAndView redirectGetTemplateRepositoryFiles(@PathVariable Long exerci
         return new ModelAndView("forward:/api/repository/" + participation.getId() + "/files-content");
     }
 
-    /**
-     * GET programming-exercises/:exerciseId/solution-file-names
-     * <p>
-     * Returns the solution repository file names for a given programming exercise.
-     * Note: This endpoint redirects the request to the ProgrammingExerciseParticipationService. This is required if
-     * the solution participation id is not known for the client.
-     *
-     * @param exerciseId the exercise for which the solution repository files should be retrieved
-     * @return a redirect to the endpoint returning the files with content
-     */
-    @GetMapping("programming-exercises/{exerciseId}/file-names")
-    @EnforceAtLeastTutor
-    @FeatureToggle(Feature.ProgrammingExercises)
-    public ModelAndView redirectGetSolutionRepositoryFilesWithoutContent(@PathVariable Long exerciseId) {
-        log.debug("REST request to get latest solution repository file names for ProgrammingExercise with id : {}", exerciseId);
-        ProgrammingExercise exercise = programmingExerciseRepository.findByIdElseThrow(exerciseId);
-        authCheckService.checkHasAtLeastRoleForExerciseElseThrow(Role.TEACHING_ASSISTANT, exercise, null);
-
-        var participation = solutionProgrammingExerciseParticipationRepository.findByProgrammingExerciseIdElseThrow(exerciseId);
-
-        // TODO: We want to get rid of ModelAndView and use ResponseEntity instead. Define an appropriate service method and then call it here and in the referenced endpoint.
-        return new ModelAndView("forward:/api/repository/" + participation.getId() + "/file-names");
-    }
-
     /**
      * GET programming-exercises/:exerciseId/build-log-statistics
      * <p>

src/main/java/de/tum/cit/aet/artemis/programming/web/repository/RepositoryProgrammingExerciseParticipationResource.java

@@ -7,8 +7,6 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
 
 import jakarta.servlet.http.HttpServletRequest;
 
@@ -294,24 +292,6 @@ public ResponseEntity<Map<String, String>> getFilesWithContent(@PathVariable Lon
         });
     }
 
-    /**
-     * GET /repository/{participationId}/file-names: Gets the file names of the repository
-     *
-     * @param participationId participation of the student/template/solution
-     * @return the ResponseEntity with status 200 (OK) and a set of file names
-     */
-    @GetMapping(value = "repository/{participationId}/file-names", produces = MediaType.APPLICATION_JSON_VALUE)
-    @EnforceAtLeastTutor
-    public ResponseEntity<Set<String>> getFileNames(@PathVariable Long participationId) {
-        return super.executeAndCheckForExceptions(() -> {
-            Repository repository = getRepository(participationId, RepositoryActionType.READ, true);
-            var nonFolderFileNames = super.repositoryService.getFiles(repository).entrySet().stream().filter(mapEntry -> mapEntry.getValue().equals(FileType.FILE))
-                    .map(Map.Entry::getKey).collect(Collectors.toSet());
-
-            return new ResponseEntity<>(nonFolderFileNames, HttpStatus.OK);
-        });
-    }
-
     @Override
     @PostMapping(value = "repository/{participationId}/file", produces = MediaType.APPLICATION_JSON_VALUE)
     @FeatureToggle(Feature.ProgrammingExercises)

src/main/webapp/app/entities/programming/programming-exercise.model.ts

@@ -71,11 +71,6 @@ export class ProgrammingExercise extends Exercise {
 
     public projectType?: ProjectType;
 
-    // helper attributes
-
-    // this attribute is used to display the covered lines ratio
-    public coveredLinesRatio?: number;
-
     /**
      * This attribute is used to generate a programming exercise with no connection to the VCS and CI.
      * This functionality is only for testing purposes.

src/test/java/de/tum/cit/aet/artemis/programming/RepositoryIntegrationTest.java

@@ -1201,13 +1201,6 @@ void testLockStudentRepository_beforeStateRepoConfigured() {
         assertThat(logsList.getFirst().getArgumentArray()).containsExactly(participation.getId());
     }
 
-    @Test
-    @WithMockUser(username = TEST_PREFIX + "tutor1", roles = "TA")
-    void testGetSolutionFileNames() throws Exception {
-        var fileNames = request.get(studentRepoBaseUrl + participation.getId() + "/file-names", HttpStatus.OK, String[].class);
-        assertThat(fileNames).containsExactly("currentFileName");
-    }
-
     private List<FileSubmission> getFileSubmissions(String fileContent) {
         List<FileSubmission> fileSubmissions = new ArrayList<>();
         FileSubmission fileSubmission = new FileSubmission();

src/test/javascript/spec/component/programming-exercise/programming-exercise-detail.component.spec.ts

@@ -164,7 +164,6 @@ describe('ProgrammingExerciseDetailComponent', () => {
         tick();
         expect(loadDiffSpy).toHaveBeenCalledOnce();
         expect(gitDiffReportStub).toHaveBeenCalledOnce();
-        expect(comp.programmingExercise.coveredLinesRatio).toBe(0.5);
     }));
 
     describe('onInit for course exercise', () => {

src/test/javascript/spec/service/programming-exercise.service.spec.ts

@@ -426,8 +426,6 @@ describe('ProgrammingExercise Service', () => {
         { uri: 'plagiarism-result', method: 'getLatestPlagiarismResult' },
         { uri: 'test-case-state', method: 'getProgrammingExerciseTestCaseState' },
         { uri: 'diff-report', method: 'getDiffReport' },
-        { uri: 'file-names', method: 'getSolutionFileNames' },
-        { uri: 'test-cases', method: 'getAllTestCases' },
         { uri: 'build-log-statistics', method: 'getBuildLogStatistics' },
     ])('should call correct exercise endpoint', (test) =>
         fakeAsync(() => {