/**
* Removes User from the Group
*
* <p>- Requires a cookie for the session user - Requires a groupId request parameter for the HTTP
* GET
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void leaveAction(HttpServletRequest req, HttpServletResponse res) {
if (AccountController.redirectIfNoCookie(req, res)) return;
if (req.getMethod() == HttpMethod.Get) {
int groupId = Integer.parseInt(req.getParameter("groupId"));
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
int userId = userSession.getUser().getId();
GroupManager groupMan = new GroupManager();
groupMan.removeMapping(groupId, userId);
// reload groups into the user
userSession.getUser().setGroups(groupMan.getAllGroups(userId));
redirectToLocal(req, res, "/home/dashboard");
return;
} 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);
}
}