public Message RemoveAssignment(Message m) {
Message rm = null;
int sessID = (int) m.msg[m.msg.length - 1];
String userName = network.getUserName(sessID);
Person remover = LoginManager.get(userName); // get id of person doing the adding
int asid = (Integer) m.msg[0];
int cid = ((Course) m.msg[1]).getCID(); // cid of course
Assignment beingRemoved = LoginManager.getCourse(cid).getAssignment(asid);
Course c = LoginManager.getCourse(cid);
HashMap<Integer, Person> TAs = c.getTAs();
if (c.removeAssignment(asid, remover.getPID()))
rm = new Message(Message.Type.RemoveAssignmentResponse, true);
else rm = new Message(Message.Type.RemoveAssignmentResponse, false);
enc = LoginManager.save(enc);
network.sendMessage(rm, sessID);
return rm;
}
private Message CourseRequest(Message m) {
int sessID = (int) m.msg[m.msg.length - 1];
Message rm = null;
Object returnmsg = null;
int cid = ((Course) m.msg[0]).getCID();
Course course = LoginManager.getCourse(cid);
returnmsg = course;
rm = new Message(Message.Type.CourseResponse, returnmsg);
network.sendMessage(rm, sessID);
return rm;
}
private Message AddAssignment(Message m) {
Message rm = null;
int sessID = (int) m.msg[m.msg.length - 1];
String userName = network.getUserName(sessID);
Person adder = LoginManager.get(userName); // get id of person doing the adding
String name = (String) m.msg[0];
String desc = (String) m.msg[1];
int cid = ((Course) m.msg[2]).getCID(); // cid of course
Course c = LoginManager.getCourse(cid);
HashMap<Integer, Person> TAs = c.getTAs();
if (c.addAssignment(name, desc, adder.getPID()))
rm = new Message(Message.Type.AddAssignmentResponse, true);
else rm = new Message(Message.Type.AddAssignmentResponse, false);
enc = LoginManager.save(enc);
network.sendMessage(rm, sessID);
return rm;
}
private Message RemoveMember(Message m) {
Message rm = null;
int sessID = (int) m.msg[m.msg.length - 1];
String userName = network.getUserName(sessID);
Person remover = LoginManager.get(userName); // get id of person doing the removing
String removeUsername = (String) m.msg[0];
int cid = ((Course) m.msg[1]).getCID(); // cid of course
Person beingRemoved = LoginManager.get((removeUsername));
Course c = LoginManager.getCourse(cid);
HashMap<Integer, Person> TAs = c.getTAs();
if (c.removeFromRoster(beingRemoved, remover.getPID()))
rm = new Message(Message.Type.RemoveMemberResponse, true);
else rm = new Message(Message.Type.RemoveMemberResponse, false);
enc = LoginManager.save(enc);
network.sendMessage(rm, sessID);
return rm;
}
// grader requests
private Message AddMember(Message m) {
Message rm = null;
int sessID = (int) m.msg[m.msg.length - 1];
String userName = network.getUserName(sessID);
Person adder = LoginManager.get(userName); // get id of person doing the adding
String addUsername = (String) m.msg[0];
int cid = ((Course) m.msg[2]).getCID(); // cid of course
String type = (String) m.msg[1];
Person beingAdded = LoginManager.get((addUsername));
Course c = LoginManager.getCourse(cid);
HashMap<Integer, Person> TAs = c.getTAs();
boolean added = false;
if (type.equals("Student")) added = c.addToRoster(beingAdded, adder.getPID());
else if (type.equals("TA")) added = c.addToTAs(beingAdded, adder.getPID());
else // is null or unknown ptype
added = false;
if (added) rm = new Message(Message.Type.AddMemberResponse, true);
else rm = new Message(Message.Type.AddMemberResponse, false);
enc = LoginManager.save(enc);
network.sendMessage(rm, sessID);
return rm;
}
public Message EditAssignment(Message m) {
Message rm = null;
int sessID = (int) m.msg[m.msg.length - 1];
String userName = network.getUserName(sessID);
Person editor = LoginManager.get(userName); // get id of person doing the adding
int asid = (Integer) m.msg[0];
String newname = (String) m.msg[1];
String newdesc = (String) m.msg[2];
int cid = ((Course) m.msg[3]).getCID(); // cid of course
Course c = LoginManager.getCourse(cid);
Assignment editassign = c.getAssignment(asid);
HashMap<Integer, Person> TAs = c.getTAs();
if (editassign == null) {
rm = new Message(Message.Type.EditAssignmentResponse, false);
} else {
editassign.setName(newname);
editassign.setDesc(newdesc);
rm = new Message(Message.Type.EditAssignmentResponse, true);
}
enc = LoginManager.save(enc);
network.sendMessage(rm, sessID);
return rm;
}
private Message AssignmentRequest(Message m) { // never called apparently
int sessID = (int) m.msg[m.msg.length - 1];
int acid = ((Course) m.msg[1]).getCID();
int asid = (Integer) m.msg[2];
Assignment as = null;
Message rm = null;
Object returnmsg = null;
try {
LoginManager.getCourse(acid).getAssignment(asid);
} catch (NullPointerException e) {
System.out.println("Course no longer exists!"); // if you
// try to
// access
// assignment
// of a
// deleted
// course
}
returnmsg = as;
rm = new Message(Message.Type.AssignmentResponse, returnmsg);
network.sendMessage(rm, sessID);
return rm;
}
public Message EditAssignmentGrade(Message m) {
Message rm = null;
int sessID = (int) m.msg[m.msg.length - 1];
String userName = network.getUserName(sessID);
Person grader = LoginManager.get(userName); // get id of person doing the adding
int asid = (Integer) m.msg[0];
String gradeUserName = (String) m.msg[3];
double newgrade = Double.parseDouble((String) m.msg[1]);
String newcomments = (String) m.msg[2];
int cid = ((Course) m.msg[4]).getCID(); // cid of course
Course c = LoginManager.getCourse(cid);
Person beingGraded = LoginManager.get((gradeUserName));
Assignment gradeassign = c.getAssignment(asid);
HashMap<Integer, Person> TAs = c.getTAs();
if (gradeassign == null) {
rm = new Message(Message.Type.EditAssignmentGradeResponse, false);
} else {
gradeassign.setGrade(grader, beingGraded, newgrade, newcomments);
rm = new Message(Message.Type.EditAssignmentGradeResponse, true);
}
enc = LoginManager.save(enc);
network.sendMessage(rm, sessID);
return rm;
}
