nno-jira: small API to set max attempts of test parts to 0 (unlimited)

src/main/java/org/olat/ims/qti21/restapi/AssessmentTestWebService.java

+/**
+ * <a href="http://www.openolat.org">
+ * OpenOLAT - Online Learning and Training</a><br>
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License"); <br>
+ * you may not use this file except in compliance with the License.<br>
+ * You may obtain a copy of the License at the
+ * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
+ * <p>
+ * Unless required by applicable law or agreed to in writing,<br>
+ * software distributed under the License is distributed on an "AS IS" BASIS, <br>
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
+ * See the License for the specific language governing permissions and <br>
+ * limitations under the License.
+ * <p>
+ * Initial code contributed and copyrighted by<br>
+ * frentix GmbH, http://www.frentix.com
+ * <p>
+ */
+package org.olat.ims.qti21.restapi;
+
+import static org.olat.restapi.security.RestSecurityHelper.getRoles;
+
+import java.io.File;
+import java.net.URI;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+import org.apache.logging.log4j.Logger;
+import org.olat.core.id.Roles;
+import org.olat.core.logging.Tracing;
+import org.olat.core.util.StringHelper;
+import org.olat.fileresource.FileResourceManager;
+import org.olat.ims.qti21.QTI21Service;
+import org.olat.repository.RepositoryEntry;
+import org.olat.repository.RepositoryManager;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import uk.ac.ed.ph.jqtiplus.node.test.AssessmentTest;
+import uk.ac.ed.ph.jqtiplus.node.test.ItemSessionControl;
+import uk.ac.ed.ph.jqtiplus.node.test.TestPart;
+import uk.ac.ed.ph.jqtiplus.resolution.ResolvedAssessmentTest;
+
+/**
+ * 
+ * Initial date: 2 sept. 2020<br>
+ * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
+ *
+ */
+@Component
+@Path("repo/tests")
+public class AssessmentTestWebService {
+	
+	private static final Logger log = Tracing.createLoggerFor(AssessmentTestWebService.class);
+
+	@Autowired
+	private QTI21Service qtiService;
+	@Autowired
+	private RepositoryManager repositoryManager;
+	
+	@PUT
+	@Path("{repoEntryKey}/parts/maxattempts")
+	public Response getRepositoryEntryResource(@PathParam("repoEntryKey")String repoEntryKey, @Context HttpServletRequest httpRequest)
+	throws WebApplicationException {
+		Roles roles = getRoles(httpRequest);
+		if(roles == null || !roles.isAdministrator()) {
+	    	throw new WebApplicationException(Status.FORBIDDEN);
+		}
+		RepositoryEntry re = lookupRepositoryEntry(repoEntryKey);
+	    if(re == null) {
+	    	throw new WebApplicationException(Status.NOT_FOUND);
+	    }
+	    
+	    FileResourceManager frm = FileResourceManager.getInstance();
+		File unzippedDirRoot = frm.unzipFileResource(re.getOlatResource());
+		ResolvedAssessmentTest resolvedObject = qtiService.loadAndResolveAssessmentTest(unzippedDirRoot, false, true);
+		AssessmentTest assessmentTest = resolvedObject.getRootNodeLookup().extractIfSuccessful();
+		
+		List<TestPart> parts = assessmentTest.getChildAbstractParts();
+		for(TestPart part:parts) {
+			ItemSessionControl itemSessionControl = part.getItemSessionControl();
+			itemSessionControl.setMaxAttempts(Integer.valueOf(0));
+		}
+		
+		URI testURI = resolvedObject.getTestLookup().getSystemId();
+		File testFile = new File(testURI);
+		qtiService.updateAssesmentObject(testFile, resolvedObject);
+		return Response.ok().build();
+	}
+	
+	private RepositoryEntry lookupRepositoryEntry(String key) {
+		RepositoryEntry re = null;
+		if (StringHelper.isLong(key)) {// looks like a primary key
+			try {
+				re = repositoryManager.lookupRepositoryEntry(Long.valueOf(key));
+			} catch (NumberFormatException e) {
+				log.warn("", e);
+			}
+		}
+		return re;
+	}
+
+}