/**
* 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);
}
}
/**
* Deletes a meeting from the database
*
* <p>- Requires a cookie for the session user - Requires a meetingId request parameter for the
* HTTP GET
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void deletemeetingAction(HttpServletRequest req, HttpServletResponse res) {
// Ensure there is a cookie for the session user
if (AccountController.redirectIfNoCookie(req, res)) return;
if (req.getMethod() == HttpMethod.Get) {
// Get the meeting
int meetingId = Integer.parseInt(req.getParameter("meetingId"));
MeetingManager meetingMan = new MeetingManager();
Meeting meeting = meetingMan.get(meetingId);
meetingMan.deleteMeeting(meetingId);
// Update the User Session to remove meeting
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
List<Meeting> adminMeetings = userSession.getUser().getMeetings();
for (int i = 0; i < adminMeetings.size(); i++) {
Meeting m = adminMeetings.get(i);
if (m.getId() == meeting.getId()) {
adminMeetings.remove(i);
break;
}
}
redirectToLocal(req, res, "/home/dashboard");
return;
} else if (req.getMethod() == HttpMethod.Post) {
httpNotFound(req, res);
}
}
/**
* Handles HTTP GET requests.
*
* @param request Description of the Parameter
* @param response Description of the Parameter
* @exception ServletException if there is a Servlet failure
* @exception IOException if there is an IO failure
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
Integer sessionCounter = (Integer) session.getAttribute("project4SessionCounter");
if (sessionCounter == null) {
Integer newCounter = new Integer(1);
sessionCounter = newCounter;
} else {
sessionCounter++;
}
session.setAttribute("project4SessionCounter", sessionCounter);
String url = "/project4Session.jsp";
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
dispatcher.forward(request, response);
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
HttpSession session = request.getSession();
String name = request.getParameter("name");
String ID = request.getParameter("ID");
String email = request.getParameter("email");
String password = request.getParameter("password");
String position = request.getParameter("position");
try {
MD5Util.addNewStaff(name, Integer.parseInt(ID), email, password, position);
session.setAttribute("AddStaff", "Yes");
} catch (Exception e) {
session.setAttribute("AddStaff", "No");
}
response.sendRedirect("/library/people.jsp");
}
/**
* 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);
}
}
/**
* Creates a notification to a Group coordinator signaling that a user wants to join their group
*
* <p>- Requires a groupId request parameter for the GET
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void inviteAction(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>();
int groupId = Integer.parseInt(req.getParameter("groupId"));
try {
// Get the session user
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
User user = userSession.getUser();
// Get the coordinator for the group
GroupManager groupMan = new GroupManager();
Group group = groupMan.get(groupId);
User coordinator = groupMan.getCoordinator(groupId);
// Send a notification to the coordinator for them to permit access to the group
NotificationManager notificationMan = new NotificationManager();
Notification notification =
new Notification(
coordinator.getId(),
coordinator,
groupId,
group,
user.getFullName() + " wants to join your group " + group.getGroupName(),
"/home/notifications?addUserId=" + user.getId() + "&groupId=" + group.getId());
notificationMan.createNotification(notification);
redirectToLocal(req, res, "/home/dashboard");
return;
} catch (Exception e) {
redirectToLocal(req, res, "/home/dashboard");
}
}
/**
* Handles HTTP POST requests.
*
* @param request Description of the Parameter
* @param response Description of the Parameter
* @exception ServletException if there is a Servlet failure
* @exception IOException if there is an IO failure
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
HttpSession session = request.getSession();
System.out.println(
"In Project4AddServlet...get form parms of Employee, set into INSERT sql, return to add.");
String url = null;
String firstName = request.getParameter("firstName");
String lastName = request.getParameter("lastName");
String ssn = request.getParameter("ssn");
String department = request.getParameter("department");
String roomNumber = request.getParameter("roomNumber");
String phoneNumber = request.getParameter("phoneNumber");
// These session properties will persist between validations, in the JSP, input tag, text
// value="${EL item}".
session.setAttribute("firstName", firstName);
session.setAttribute("lastName", lastName);
session.setAttribute("ssn", ssn);
session.setAttribute("department", department);
session.setAttribute("roomNumber", roomNumber);
session.setAttribute("phoneNumber", phoneNumber);
EmployeeDirectory employeeDirectory =
(EmployeeDirectory) getServletContext().getAttribute("employeeDirectory");
// associate the Message with the request, and clear it before forwarding to JSP page
String AddMessage = "";
boolean firstNameErr = false;
boolean lastNameErr = false;
boolean ssnErr = false;
boolean departmentErr = false;
boolean roomNumberErr = false;
boolean phoneNumberErr = false;
// Validate that all fields have valid data, prior to employeeDirectory.Add()
if (firstName == null || firstName.equals("")) {
AddMessage = "Please enter missing First Name.";
firstNameErr = true;
} else if (lastName == null || lastName.equals("")) {
AddMessage = "Please enter missing Last Name.";
lastNameErr = true;
} else if (ssn == null || ssn.equals("")) {
AddMessage = "Please enter missing SSN.";
ssnErr = true;
} else if (department == null || department.equals("")) {
AddMessage = "Please enter missing Department.";
departmentErr = true;
} else if (roomNumber == null || roomNumber.equals("")) {
AddMessage = "Please enter missing Room Number.";
roomNumberErr = true;
} else if (phoneNumber == null || phoneNumber.equals("")) {
AddMessage = "Please enter missing Phone Number.";
phoneNumberErr = true;
} else {
employeeDirectory.addNewEmployee(
firstName, lastName, ssn, department, roomNumber, phoneNumber);
AddMessage = "Employee added.";
}
session.setAttribute("project4AddMessage", AddMessage);
session.setAttribute("project4firstNameErr", firstNameErr);
session.setAttribute("project4lastNameErr", lastNameErr);
session.setAttribute("project4ssnErr", ssnErr);
session.setAttribute("project4departmentErr", departmentErr);
session.setAttribute("project4roomNumberErr", roomNumberErr);
session.setAttribute("project4phoneNumberErr", phoneNumberErr);
url = "/java112/Project4EmployeeAdd.jsp"; // do a redirect using url back to
// Project4EmployeeAdd.jsp page.
response.sendRedirect(url);
}
/**
* 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);
}
/**
* Displays a given Meeting page for a HTTP Get, or creates a new Meeting for a HTTP Post
*
* <p>- Requires a cookie for the session user - Requires a meetingId request parameter for a GET
* - Requires description, createdByUserId, datepicker, meetingTime, groupId request parameters
* for a POST
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void meetingAction(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", "Meeting");
// Initialise Manager connections
MeetingManager meetingMan = new MeetingManager();
GroupManager groupMan = new GroupManager();
if (req.getMethod() == HttpMethod.Get) {
// Get request parameter
int meetingId = Integer.parseInt(req.getParameter("meetingId"));
Meeting meeting = meetingMan.get(meetingId);
if (meeting != null) {
List<User> meetingUsers = groupMan.getGroupUsers(meeting.getGroupId());
viewData.put("meetingUsers", meetingUsers);
viewData.put("meeting", meeting);
view(req, res, "/views/group/Meeting.jsp", viewData);
} else {
httpNotFound(req, res);
}
} else if (req.getMethod() == HttpMethod.Post) {
// Get details from request
String description = req.getParameter("description");
int createdByUserId = Integer.parseInt(req.getParameter("createdByUserId"));
Date dateCreated = new Date();
String meetingDate = req.getParameter("datepicker");
String meetingTime = req.getParameter("meetingTime");
// Parse meeting date time details
DateFormat format = new SimpleDateFormat("MM/dd/yyyy HH:mm");
Date dateDue = new Date();
try {
dateDue = format.parse(meetingDate + " " + meetingTime);
} catch (ParseException e) {
// Unable to parse date. This shouldn't happen since we are
// performing javascript validation.
}
int groupId = Integer.parseInt(req.getParameter("groupId"));
// Create a Meeting
Meeting meeting = new Meeting();
meeting.setDescription(description);
meeting.setCreatedByUserId(createdByUserId);
meeting.setDateCreated(dateCreated);
meeting.setDateDue(dateDue);
meeting.setGroupId(groupId);
meetingMan.createMeeting(meeting);
int meetingId = meetingMan.getIdFor(meeting);
meeting.setId(meetingId);
UserManager userMan = new UserManager();
User createdByUser = userMan.get(createdByUserId);
// Create a notification for all users in group
NotificationManager notificationMan = new NotificationManager();
List<User> users = groupMan.getGroupUsers(groupId);
for (User u : users) {
Notification notification =
new Notification(
u.getId(),
u,
groupId,
null,
"Meeting " + description + " was created by " + createdByUser.getFullName(),
"/group/meeting?meetingId=" + meetingId);
notificationMan.createNotification(notification);
}
// Update the User Session to show new meeting
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
User admin = userSession.getUser();
admin.getMeetings().add(meeting);
// Show meeting page
viewData.put("meetingUsers", users);
viewData.put("meeting", meeting);
view(req, res, "/views/group/Meeting.jsp", viewData);
}
}