/**
* Creates a Discussion Post
*
* <p>- Requires a cookie for the session user - Requires a comment and threadId request parameter
* for the POST
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void createPostAction(HttpServletRequest req, HttpServletResponse res) {
// Ensure there is a cookie for the session user
if (AccountController.redirectIfNoCookie(req, res)) return;
Map<String, Object> viewData = new HashMap<>();
if (req.getMethod() == HttpMethod.Post) {
DiscussionManager dm = new DiscussionManager();
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
// Create the discussion post
DiscussionPost post = new DiscussionPost();
post.setUserId(userSession.getUserId());
post.setMessage(req.getParameter("comment"));
post.setThreadId(Integer.parseInt(req.getParameter("threadId")));
dm.createPost(post);
redirectToLocal(req, res, "/group/discussion/?threadId=" + req.getParameter("threadId"));
} else {
httpNotFound(req, res);
}
}
/**
* Displays a Discussion Thread page
*
* <p>- Requires a cookie for the session user - Requires a threadId request parameter for the
* HTTP GET
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void discussionAction(HttpServletRequest req, HttpServletResponse res) {
// Ensure there is a cookie for the session user
if (AccountController.redirectIfNoCookie(req, res)) return;
Map<String, Object> viewData = new HashMap<>();
if (req.getMethod() == HttpMethod.Get) {
// Get the thread
GroupManager gm = new GroupManager();
int threadId = Integer.parseInt(req.getParameter("threadId"));
DiscussionManager discussionManager = new DiscussionManager();
DiscussionThread thread = discussionManager.getThread(threadId);
thread.setGroup(gm.get(thread.getGroupId()));
thread.setPosts(discussionManager.getPosts(threadId));
// get documents for the thread
DocumentManager docMan = new DocumentManager();
viewData.put("documents", docMan.getDocumentsForThread(threadId));
viewData.put("thread", thread);
viewData.put("title", "Discussion: " + thread.getThreadName());
view(req, res, "/views/group/DiscussionThread.jsp", viewData);
} else {
httpNotFound(req, res);
}
}
/**
* Displays a given Research Group page for a HTTP Get, or creates a new Group for a HTTP Post
*
* <p>- Requires a cookie for the session user - Requires a groupId request parameter for a GET -
* Requires a groupName, description, createdByUserId request parameters for a POST
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void researchgroupAction(HttpServletRequest req, HttpServletResponse res) {
// Ensure there is a cookie for the session user
if (AccountController.redirectIfNoCookie(req, res)) return;
Map<String, Object> viewData = new HashMap<String, Object>();
viewData.put("title", "Research Group");
if (req.getMethod() == HttpMethod.Get) {
// Load group data into Map
GroupManager gm = new GroupManager();
int groupId = Integer.parseInt(req.getParameter("groupId"));
Group group = gm.get(groupId);
if (group != null) {
// Load Group into map
viewData.put("group", group);
// Load group members into Map
List<String> groupMembers = gm.getGroupMembers(groupId);
viewData.put("groupMembers", groupMembers);
// Load meetings into map
MeetingManager meetMan = new MeetingManager();
List<Meeting> groupMeetings = meetMan.getGroupMeetings(groupId);
viewData.put("groupMeetings", groupMeetings);
// Load Document Data into Map
DocumentManager docMan = new DocumentManager();
List<Document> groupDocuments = docMan.getGroupDocuments(groupId);
viewData.put("groupDocuments", groupDocuments);
// Load discussion threads
DiscussionManager dm = new DiscussionManager();
viewData.put("groupDiscussions", dm.getThreads(groupId));
// Check if the user is a member
boolean isMember = false;
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
User user = userSession.getUser();
for (Group g : gm.getAllGroups(user.getId())) {
if (g.getId() == group.getId()) {
isMember = true;
break;
}
}
viewData.put("notMember", !isMember);
// View group page.
view(req, res, "/views/group/ResearchGroup.jsp", viewData);
} else {
httpNotFound(req, res);
}
} else if (req.getMethod() == HttpMethod.Post) {
// Create Group
// Get data from parameters
String groupName = req.getParameter("groupName");
String description = req.getParameter("description");
int adminId = Integer.parseInt(req.getParameter("createdByUserId"));
// Create the Group
GroupManager groupMan = new GroupManager();
Group group = new Group();
group.setGroupName(groupName);
group.setDescription(description);
group.setCoordinatorId(adminId);
// Create the mapping
groupMan.createGroup(group);
int groupId = groupMan.getIdFor(group);
groupMan.createMapping(groupId, adminId);
group.setId(groupId);
// Update the User Session to show new group
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
User admin = userSession.getUser();
admin.getGroups().add(group);
// Show the Group Page
viewData.put("groupName", group.getGroupName());
List<String> groupMembers = groupMan.getGroupMembers(groupId);
viewData.put("groupMembers", groupMembers);
view(req, res, "/views/group/ResearchGroup.jsp", viewData);
}
}
/**
* Displays the Create Discussion page for a HTTP Get, or creates a Discussion Thread for a HTTP
* Post
*
* <p>- Requires a cookie for the session user - Requires a groupId request parameter for a GET -
* Requires a groupId and threadName request parameter for a POST - Requires a document request
* part for a POST
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void createDiscussionAction(HttpServletRequest req, HttpServletResponse res) {
// Ensure there is a cookie for the session user
if (AccountController.redirectIfNoCookie(req, res)) return;
Map<String, Object> viewData = new HashMap<>();
if (req.getMethod() == HttpMethod.Get) {
viewData.put("title", "Create Discussion");
viewData.put("groupId", req.getParameter("groupId"));
view(req, res, "/views/group/CreateDiscussion.jsp", viewData);
return;
} else if (req.getMethod() == HttpMethod.Post) {
// save discussion
GroupManager groupMan = new GroupManager();
DiscussionThread thread = new DiscussionThread();
int groupId = Integer.parseInt(req.getParameter("groupId"));
thread.setGroupId(groupId);
thread.setGroup(groupMan.get(groupId));
thread.setThreadName(req.getParameter("threadName"));
DiscussionManager dm = new DiscussionManager();
dm.createDiscussion(thread);
try {
Part documentPart = req.getPart("document");
// if we have a document to upload
if (documentPart.getSize() > 0) {
String uuid = DocumentController.saveDocument(this.getServletContext(), documentPart);
Document doc = new Document();
doc.setDocumentName(getFileName(documentPart));
doc.setDocumentPath(uuid);
doc.setVersionNumber(1);
doc.setThreadId(thread.getId());
doc.setGroupId(thread.getGroupId());
DocumentManager docMan = new DocumentManager();
docMan.createDocument(doc);
// Get uploading User
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
User uploader = userSession.getUser();
// Create a notification to all in the group
NotificationManager notificationMan = new NotificationManager();
groupMan = new GroupManager();
List<User> groupUsers = groupMan.getGroupUsers(groupId);
for (User u : groupUsers) {
Notification notification =
new Notification(
u.getId(),
u,
groupId,
null,
"User " + uploader.getFullName() + " has uploaded a document",
"/document/document?documentId=" + doc.getId());
notificationMan.createNotification(notification);
}
}
} catch (Exception e) {
logger.log(Level.SEVERE, "Document save error", e);
}
redirectToLocal(req, res, "/group/discussion/?threadId=" + thread.getId());
return;
}
httpNotFound(req, res);
}