public BaseForum getForumById(boolean flag, Long id) {
try {
return forumManager.getForumById(flag, id);
} catch (Exception e) {
return null;
}
}
// find topics in site, but organized by forum
public List<LessonEntity> getEntitiesInSite(SimplePageBean bean) {
List<LessonEntity> ret = new ArrayList<LessonEntity>();
// LSNBLDR-21. If the tool is not in the current site we shouldn't query
// for topics owned by the tool.
Site site = null;
try {
site = SiteService.getSite(ToolManager.getCurrentPlacement().getContext());
} catch (Exception impossible) {
return ret;
}
ToolConfiguration tool = site.getToolForCommonId("sakai.forums");
if (tool == null) {
// Forums is not in this site. Move on to the next provider.
if (nextEntity != null) ret.addAll(nextEntity.getEntitiesInSite());
return ret;
}
// ForumEntity e = new ForumEntity(TYPE_FORUM_TOPIC, 3L, 2);
// e.setGroups(Arrays.asList("1c24287b-b880-43da-8cdd-c6cdc1249c5c",
// "75184424-853e-4dd4-9e92-980c851f0580"));
// e.setGroups(Arrays.asList("75184424-853e-4dd4-9e92-980c851f0580"));
SortedSet<DiscussionForum> forums =
new TreeSet<DiscussionForum>(new ForumBySortIndexAscAndCreatedDateDesc());
for (DiscussionForum forum : forumManager.getForumsForMainPage()) forums.add(forum);
// security. assume this is only used in places where it's OK, so skip security checks
for (DiscussionForum forum : forums) {
if (!forum.getDraft()) {
ForumEntity entity = new ForumEntity(TYPE_FORUM_FORUM, forum.getId(), 1);
entity.forum = forum;
ret.add(entity);
for (Object o : forum.getTopicsSet()) {
DiscussionTopic topic = (DiscussionTopic) o;
if (topic.getDraft().equals(Boolean.FALSE)) {
entity = new ForumEntity(TYPE_FORUM_TOPIC, topic.getId(), 2);
entity.topic = topic;
ret.add(entity);
}
}
}
}
if (nextEntity != null) ret.addAll(nextEntity.getEntitiesInSite(bean));
return ret;
}
public Topic getTopicById(boolean flag, Long id) {
try {
Topic topic = forumManager.getTopicById(flag, id);
if (topic == null) return null;
// the purpose of this is to trigger a null pointer error if the forum doesn't exist
// if you delete the forum, it doesn't delete the topics, but showing a topic without
// its forum causes confusion. The /direct code does the following, so it will give
// an error.
if (topic.getOpenForum().getArea() == null) return null;
return topic;
} catch (Exception e) {
return null;
}
}
// set the item to be accessible only to the specific groups.
// null to make it accessible to the whole site
public void setGroups(Collection<String> groups) {
if (type != TYPE_FORUM_TOPIC) return;
// Setgroups with a non-null list: we set all contributor entries to none, and then set the
// specified groups to contribtor. By only handling groups, we avoid interfering with
// anything you might do in the tool. But the moment you use access control, we take
// over. Sorry. Once we've done that you could go back into the tool and hack, but I
// don't recommend that.
// Setgroups with a null list: we set all contributor entries to none, and then set all roles
// other than maintain to contributor.
setMasks();
// System.out.println("topic 1 " + topic + " " + groups);
// if (topic == null)
topic = getTopicById(true, id);
// System.out.println("topic 2 " + topic);
if (topic == null) return;
Site site = null;
try {
site = SiteService.getSite(ToolManager.getCurrentPlacement().getContext());
} catch (Exception e) {
System.out.println("Unable to get site info for AddEntityControl " + e);
return;
}
// topicCache.remove(id);
// old entries
Set<DBMembershipItem> oldMembershipItemSet =
uiPermissionsManager.getTopicItemsSet((DiscussionTopic) topic);
DBMembershipItem membershipItem = null;
boolean haveOwner = false;
boolean changed = false;
if (groups != null && groups.size() > 0) {
// this is the groups we've been asked to use
// remove groups form this as we see them if they already have access
// so at the end we just add the ones remaining
List<String> groupNames = new ArrayList<String>();
Set<String> addGroupNames = new HashSet<String>();
for (String groupId : groups) {
groupNames.add(site.getGroup(groupId).getTitle());
addGroupNames.add(site.getGroup(groupId).getTitle());
}
// System.out.println("groups " + groups + " " + groupNames + " " + addGroupNames);
// System.out.println("oldMembership " + oldMembershipItemSet.size());
// delete groups from here as they are done.
// if we've seen an owner. Otherwise set the maintain role as owner
// Setgroups with a non-null list: we set all contributor entries to none, and then set the
// specified groups to contribtor. However we don't touch owner.
// By only handling groups, we avoid interfering with
// anything you might do in the tool. But the moment you use access control, we take
// over. Sorry. Once we've done that you could go back into the tool and hack, but I
// don't recommend that.
for (DBMembershipItem item : oldMembershipItemSet) {
// kill everything except our own groups
// this will leave the owner but remove all other roles
// System.out.println("item " + item.getType() + " " + item.getName() + " " +
// item.getPermissionLevelName());
if (item.getType().equals(MembershipItem.TYPE_GROUP)
&& groupNames.contains(item.getName())) {
// System.out.println("found group " + item.getName());
addGroupNames.remove(item.getName()); // we've seen it
// if it's one of our groups make it a contributor if it's not already an owner
if (!item.getPermissionLevelName().equals("Contributor")
&& !item.getPermissionLevelName().equals("Owner")) {
PermissionLevel contributorLevel =
permissionLevelManager.createPermissionLevel(
"Contributor", IdManager.createUuid(), contributorMask);
permissionLevelManager.savePermissionLevel(contributorLevel);
item.setPermissionLevel(contributorLevel);
item.setPermissionLevelName("Contributor");
permissionLevelManager.saveDBMembershipItem(item);
}
} else if (!item.getPermissionLevelName()
.equals("Owner")) { // only group members are contributors
// remove contributor from anything else, both groups and roles
// System.out.println("set none");
// System.out.println("setgroups make none " + item.getName());
PermissionLevel noneLevel =
permissionLevelManager.createPermissionLevel(
"None", IdManager.createUuid(), noneMask);
permissionLevelManager.savePermissionLevel(noneLevel);
item.setPermissionLevel(noneLevel);
item.setPermissionLevelName("None");
permissionLevelManager.saveDBMembershipItem(item);
}
}
for (String newGroupName : addGroupNames) {
// System.out.println("addgroup " + newGroupName);
changed = true;
PermissionLevel contributorLevel =
permissionLevelManager.createPermissionLevel(
"Contributor", IdManager.createUuid(), contributorMask);
permissionLevelManager.savePermissionLevel(contributorLevel);
membershipItem =
permissionLevelManager.createDBMembershipItem(
newGroupName, "Contributor", MembershipItem.TYPE_GROUP);
membershipItem.setPermissionLevel(contributorLevel);
permissionLevelManager.saveDBMembershipItem(membershipItem);
oldMembershipItemSet.add(membershipItem);
}
} else {
// Setgroups with a null list: we set all contributor entries to none, and then set all roles
// to contributor. However we don't touch Owners.
for (DBMembershipItem item : oldMembershipItemSet) {
if (item.getPermissionLevelName().equals("Owner")) {
haveOwner = true;
} else if (item.getType().equals(MembershipItem.TYPE_ROLE)) {
// default state has all roles except owner as contributor
if (!item.getPermissionLevelName().equals("Contributor")) {
PermissionLevel contributorLevel =
permissionLevelManager.createPermissionLevel(
"Contributor", IdManager.createUuid(), contributorMask);
permissionLevelManager.savePermissionLevel(contributorLevel);
item.setPermissionLevel(contributorLevel);
item.setPermissionLevelName("Contributor");
permissionLevelManager.saveDBMembershipItem(item);
}
} else if (!item.getPermissionLevelName().equals("None")) {
// kill other contributors
PermissionLevel noneLevel =
permissionLevelManager.createPermissionLevel(
"None", IdManager.createUuid(), noneMask);
permissionLevelManager.savePermissionLevel(noneLevel);
item.setPermissionLevel(noneLevel);
item.setPermissionLevelName("None");
permissionLevelManager.saveDBMembershipItem(item);
}
}
}
if (changed) {
// System.out.println("changed");
// have to refresh the topic or the save won't work
topic = getTopicById(true, id);
topic.setMembershipItemSet(oldMembershipItemSet);
forumManager.saveDiscussionForumTopic((DiscussionTopic) topic);
// topic.setVersion(null);
// try {
// System.out.println("simplepagetool dao " + simplePageToolDao);
// hibernateTemplate.merge(topic);
// } catch (Exception e){
// System.out.println("Unable to save forum topic " + e);
// }
}
}
public String findObject(String objectid, Map<String, String> objectMap, String siteid) {
if (!objectid.startsWith("forum_topic/") && !objectid.startsWith("forum_forum/")) {
if (nextEntity != null) {
return nextEntity.findObject(objectid, objectMap, siteid);
}
return null;
}
// isolate forum_topic/NNN from title
int i = 0;
if (objectid.startsWith("forum_topic/")) i = objectid.indexOf("/", "forum_topic/".length());
else i = objectid.indexOf("/", "forum_forum/".length());
if (i <= 0) return null;
String realobjectid = objectid.substring(0, i);
// msgcenter uses forum/ not forum_forum/
if (objectid.startsWith("forum_forum/"))
realobjectid = realobjectid.substring("forum_".length());
// now see if it's in the map
String newtopic = objectMap.get(realobjectid);
if (newtopic != null) {
if (objectid.startsWith("forum_forum/"))
return "/forum_" + newtopic; // forum/ID >> /forum_forum/ID
else return "/" + newtopic; // sakaiid is /forum_topic/ID
}
// this must be 2.8. Can't find the topic in the map
// i is start of title
String title = null;
String forumtitle = null;
if (objectid.startsWith("forum_topic/")) {
int j = objectid.indexOf("\n");
title = objectid.substring(i + 1, j);
forumtitle = objectid.substring(j + 1);
} else {
forumtitle = objectid.substring(i + 1);
}
// unfortunately we have to search the topic tree to find it.
SortedSet<DiscussionForum> forums =
new TreeSet<DiscussionForum>(new ForumBySortIndexAscAndCreatedDateDesc());
for (DiscussionForum forum : forumManager.getForumsForMainPage()) forums.add(forum);
// security. assume this is only used in places where it's OK, so skip security checks
// ignore draft status. We want to show drafts.
for (DiscussionForum forum : forums) {
if (forum.getTitle().equals(forumtitle)) {
if (title == null) // object is forum not topic
return "/forum_forum/" + forum.getId();
for (Object o : forum.getTopicsSet()) {
DiscussionTopic topic = (DiscussionTopic) o;
if (topic.getTitle().equals(title)) {
return "/forum_topic/" + topic.getId();
}
}
}
}
return null;
}
