SAK-52145 display duplicated group quizzes w/o changing 'released to' setting

Author: hornersa

samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/bundle/AuthorFrontDoorMessages.properties

@@ -43,7 +43,7 @@ entire_site=Entire Site
 
 selected_groups=Selected Groups
 selected_group=Selected Group
-no_selected_groups_error=Students are not able to take this assessment because the groups it was released to have been deleted. You must publish a new copy of this assessment.
+no_selected_groups_error=This assessment was released to a group, but no group is selected. Please select a group to publish this assessment.
 
 header_last_modified=Last Modified
 header_last_modified_date=Modified Date

samigo/samigo-services/src/java/org/sakaiproject/tool/assessment/facade/AssessmentFacadeQueries.java

@@ -43,6 +43,7 @@
 
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.MapUtils;
 import org.hibernate.Hibernate;
 import org.hibernate.Session;
 import org.hibernate.query.Query;
@@ -752,7 +753,7 @@ public List<AssessmentFacade> getBasicInfoOfAllActiveAssessmentsByAgent(String o
 				questionSize = ((Long) questionSizeMap.get(a.getAssessmentBaseId())).intValue();
 			}
 
-			if (releaseToGroups != null) {
+			if (!MapUtils.isEmpty(releaseToGroups)) {
 				Set<String> keysReleaseToGroups = releaseToGroups.keySet();
 
 				Set<String> commonKeys = new HashSet<>(keysReleaseToGroups);
@@ -1936,7 +1937,8 @@ public AssessmentData prepareAssessment(AssessmentData a, String protocol, Strin
 		switch (releaseTo) {
 			case AssessmentAccessControl.ANONYMOUS_USERS:
 				break;
-			// case AssessmentAccessControl.RELEASE_TO_SELECTED_GROUPS:
+			case AssessmentAccessControl.RELEASE_TO_SELECTED_GROUPS:
+				break;
 			default:
 				// if not anonymous or group then set releaseTo to the site title
 				if (toContext != null) {