OO-4667: don't show lectures column if the feature is not enabled

src/main/java/org/olat/repository/manager/RepositoryEntryAuthorQueries.java

@@ -135,7 +135,7 @@ public class RepositoryEntryAuthorQueries {
 		return new RepositoryEntryAuthorViewResults(views, maxResults <= 0);
 	}
 
-	protected <T> TypedQuery<T> createViewQuery(SearchAuthorRepositoryEntryViewParams params, Class<T> type) {
+	private <T> TypedQuery<T> createViewQuery(SearchAuthorRepositoryEntryViewParams params, Class<T> type) {
 
 		IdentityRef identity = params.getIdentity();
 		List<String> resourceTypes = params.getResourceTypes();

src/main/java/org/olat/repository/ui/author/AuthorListController.java

@@ -93,6 +93,7 @@ import org.olat.core.util.resource.OresHelper;
 import org.olat.course.CorruptedCourseException;
 import org.olat.course.CourseModule;
 import org.olat.login.LoginModule;
+import org.olat.modules.lecture.LectureModule;
 import org.olat.modules.portfolio.PortfolioService;
 import org.olat.modules.portfolio.handler.BinderTemplateResource;
 import org.olat.modules.quality.QualityDataCollectionLight;
@@ -182,6 +183,8 @@ public class AuthorListController extends FormBasicController implements Activat
 	@Autowired
 	private LoginModule loginModule;
 	@Autowired
+	private LectureModule lectureModule;
+	@Autowired
 	protected RepositoryModule repositoryModule;
 	@Autowired
 	protected RepositoryService repositoryService;
@@ -344,9 +347,11 @@ public class AuthorListController extends FormBasicController implements Activat
 				true, OrderBy.lastUsage.name()));
 		columnsModel.addFlexiColumnModel(new DefaultFlexiColumnModel(true, Cols.references.i18nKey(), Cols.references.ordinal(),
 				true, OrderBy.references.name()));
-		columnsModel.addFlexiColumnModel(new DefaultFlexiColumnModel(false, Cols.lectureInfos.i18nKey(), Cols.lectureInfos.ordinal(),
-				true, OrderBy.lectureEnabled.name(), FlexiColumnModel.ALIGNMENT_LEFT, new LectureInfosRenderer(getTranslator())));
 		
+		if(lectureModule.isEnabled()) {
+			columnsModel.addFlexiColumnModel(new DefaultFlexiColumnModel(false, Cols.lectureInfos.i18nKey(), Cols.lectureInfos.ordinal(),
+				true, OrderBy.lectureEnabled.name(), FlexiColumnModel.ALIGNMENT_LEFT, new LectureInfosRenderer(getTranslator())));
+		}
 		if (licenseModule.isEnabled(licenseHandler)) {
 			columnsModel.addFlexiColumnModel(new DefaultFlexiColumnModel(false, false, Cols.license.i18nKey(), null, Cols.license.ordinal(), "license", false, null, FlexiColumnModel.ALIGNMENT_LEFT,
 					 new StaticFlexiCellRenderer("license", new LicenseRenderer(getLocale()))));