public bool isConflict(courseinfo course)
{
bool conflict = false;
foreach (coursetime time in Times) //Each time the course is offered
{
foreach (coursetime time2 in course.Times) //And each time of that class.
{
if (((time.start <= time2.start) && (time2.start <= time.end)) || ((time2.start <= time.start) && (time.start <= time2.end)))
{ //Does this time overlap?
foreach (char day in time.daylist)
{ //Is it on the same day?
if (time2.daylist.Contains(day))
{
conflict = true;
break;
}
}
}
if (conflict)
{
break;
}
}
if (conflict)
{
break;
}
}
return(conflict);
}
public void Add(Student S, courseinfo C)
{
S.Next.Add(C.Coursename);
S.EnrolledCredits += C.Credit;
C.Students.Add(S.UserName);
++C.Enrolled;
}
public void Add(Student S, courseinfo C)
{
S.Next.Add(C.Coursename);
S.EnrolledCredits += C.Credit;
C.Students.Add(S.UserName);
++C.Enrolled;
}
private void RemoveCourse(courseinfo course)
{
foreach (Student stud in StudentList)
{
foreach (string course2 in stud.Next)
{
if (course.Coursename == course2)
{
stud.Next.Remove(course2);
}
}
}
foreach (Faculty prof in FacultyList)
{
foreach (string course2 in prof.Next)
{
if (course.Coursename == course2)
{
prof.Next.Remove(course2);
}
}
}
foreach (courseinfo course2 in NextCourses)
{
if (course.Coursename == course2.Coursename)
{
NextCourses.Remove(course2);
}
}
}
private void ChangeInstructor(courseinfo course, Faculty prof)
{
foreach (Faculty oldProf in FacultyList)
oldProf.Next.Remove(course.Coursename);
course.Instructor = prof.UserName;
prof.Next.Add(course.Coursename);
}
private void RemoveStudentfromCourse(Student S, courseinfo C)
{
S.Next.Remove(C.Coursename);
S.EnrolledCredits -= C.Credit;
C.Students.Remove(S.UserName);
--C.Enrolled;
MessageBox.Show("Student is no longer registered for " + C.Coursename + ".");
}
public void RemoveStudentfromCourse(Student S, courseinfo C)
{
S.Next.Remove(C.Coursename);
S.EnrolledCredits -= C.Credit;
C.Students.Remove(S.UserName);
C.Enrolled--;
MessageBox.Show("You are no longer registered for " + C.Coursename + ".");
}
private void ChangeInstructor(courseinfo course, Faculty prof)
{
foreach (Faculty oldProf in FacultyList)
{
oldProf.Next.Remove(course.Coursename);
}
course.Instructor = prof.UserName;
prof.Next.Add(course.Coursename);
}
public errorReturn unenrollCourse(ref courseinfo course, ref VStudent student)
{
VStudent dummy = new VStudent(this);
errorReturn eN = base.unenrollCourse(ref course, ref dummy);
Next = dummy.Next;
Conflicts = dummy.Conflicts;
return(eN);
}
//A student may only enroll itself.
// super kludgy, but it should do the job.
public List <errorReturn> enrollCourse(ref courseinfo course, ref VStudent student)
{
VStudent dummy = new VStudent(this);
List <errorReturn> errlist = base.enrollCourse(ref course, ref dummy);
Next = dummy.Next;
Conflicts = dummy.Conflicts;
return(errlist);
}
public virtual errorReturn unenrollCourse(ref courseinfo course, ref VStudent student)
{
errorReturn er;
//if (this.status == "faculty")
//{
// //Depending on Future specs, we still might want to test for this.
//}
// shouldn't be needed
//if ((this.status == "student") || (this.usertype == VType.student))
//{
// //Is the user doing the edit the student being registered?
// if (this != student)
// {
// //We have a very clever student.
// er.wasError = true;
// er.errorWas = "diffStudent";
// return er; //This is one where we might want to kick them out.
// }
//}
if (!student.Next.Remove(course))
{
er.wasError = true;
er.errorWas = "notenrolled";
return(er);
// throw "Unenroll encountered an error. Were you enrolled?" error
}
//recheck conflicts
student.checkConflicts();
er.wasError = false;
er.errorWas = "notError";
return(er);
}
public bool Equals(courseinfo course)
{
return this.Coursename.Substring(0, Coursename.Length - 3) == course.Coursename.Substring(0, course.Coursename.Length - 3);
}
public bool Equals(courseinfo course)
{
return(this.Coursename.Substring(0, Coursename.Length - 3) == course.Coursename.Substring(0, course.Coursename.Length - 3));
}
public override errorReturn unenrollCourse(ref courseinfo course, ref VStudent student)
{
return base.unenrollCourse(ref course,ref student);
}
public bool isConflict(courseinfo course)
{
bool conflict = false;
foreach (coursetime time in Times) //Each time the course is offered
{
foreach (coursetime time2 in course.Times) //And each time of that class.
{
if (((time.start <= time2.start) && (time2.start <= time.end)) || ((time2.start <= time.start) && (time.start <= time2.end)))
{ //Does this time overlap?
foreach (char day in time.daylist)
{ //Is it on the same day?
if (time2.daylist.Contains(day))
{
conflict = true;
break;
}
}
}
if (conflict)
break;
}
if (conflict)
break;
}
return conflict;
}
public void AddStudenttoCourse(Student S, courseinfo C)
{
bool enroll = true;
List<string> messages = new List<string>();
foreach (string course in S.Current)
{
if (course.Substring(0, course.Length - 3) == C.SecLessName)
{
messages.Add("You've Already Registered for this Course!");
enroll = false;
break;
}
}
if (C.Enrolled >= C.Seats)
{
messages.Add("Class is Full!");
enroll = false;
}
if (S.EnrolledCredits <= 5.0 - C.Credit)
{
messages.Add("Trying to Enroll for 5 Credits or More!");
enroll = false;
}
foreach (string req in C.Prereqs)
{
bool taken = false;
foreach (courserecord pastcourse in S.History)
{
if (pastcourse.SecLessName == req)
{
taken = true;
break;
}
}
foreach (string curcourse in S.Current)
{
if (curcourse.Substring(0, curcourse.Length - 3) == req)
{
taken = true;
break;
}
}
if (!taken)
{
messages.Add("You Don't Meet the Prerequisites!");
enroll = false;
break;
}
}
bool retake = false;
foreach (string course in S.Current)
{
if (C.SecLessName == course.Substring(0, course.Length - 3))
{
retake = true;
break;
}
}
//foreach (courserecord course in S.Current) CHANGED HERE
foreach (courserecord course in S.History)
{
if (course.Term == "S13")
if (C.SecLessName == course.SecLessName)
{
retake = true;
break;
}
}
if (retake)
messages.Add("You're Retaking this Class!");
foreach (courseinfo Course in coursesNextYear) //Compare to each already added class
{
bool iscnflct = false;
if (S.Next.Contains(Course.Coursename))
{
foreach (coursetime time in C.Times) //Each time the course is offered
{
foreach (coursetime time2 in Course.Times) //And each time of that class.
{
if (((time.start <= time2.start) && (time2.start <= time.end)) || ((time2.start <= time.start) && (time.start <= time2.end)))
{ //Does this time overlap?
foreach (char day in time.daylist)
{ //Is it on the same day?
if (time2.daylist.Contains(day))
{ //Throw warning message.
messages.Add("Conflicts with Another Class!");
iscnflct = true;
break;
}
}
if (iscnflct)
break;
}
}
if (iscnflct)
break;
}
if (iscnflct)
break;
}
}
if (enroll)
{
Add(S, C);
messages.Add("Successfully Enrolled in Class.");
}
else messages.Add("Can't Enroll in Class.");
string text = "";
foreach (string str in messages)
text += str + '\n';
MessageBox.Show(text);
}
//An admin may add any student to any class.
public override List<errorReturn> enrollCourse(ref courseinfo course, ref VStudent student)
{
return base.enrollCourse(ref course,ref student);
}
public errorReturn unenrollCourse(ref courseinfo course, ref VStudent student)
{
VStudent dummy = new VStudent(this);
errorReturn eN = base.unenrollCourse(ref course, ref dummy);
Next = dummy.Next;
Conflicts = dummy.Conflicts;
return eN;
}
//An admin may add any student to any class.
public override List <errorReturn> enrollCourse(ref courseinfo course, ref VStudent student)
{
return(base.enrollCourse(ref course, ref student));
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
// our "databases"
List <Admin> AdminList = new List <Admin>();
List <Faculty> FacultyList = new List <Faculty>();
List <Student> StudentList = new List <Student>();
List <courseinfo> NextCourses = new List <courseinfo>();
List <courseinfo> PrevCourses = new List <courseinfo>();
string line = "Yes";
string nxtterm = "S13";
while (line != null)
{
try
{
string username;
string firstname;
string lastname;
string middlename;
string status;
string password;
StreamReader freader = new StreamReader("UserInput.txt");
line = freader.ReadLine();
if (line != null)
{
username = line.Substring(0, 10).Trim();
password = line.Substring(10, 10).Trim();
firstname = line.Substring(20, 15).Trim();
middlename = line.Substring(35, 15).Trim();
lastname = line.Substring(50, 15).Trim();
status = line.Substring(65).Trim();
if (status == "Admin")
{
Admin A = new Admin(username, password,
firstname, middlename, lastname, status);
AdminList.Add(A);
}
else if (status == "Faculty")
{
Faculty F = new Faculty(username, password,
firstname, middlename, lastname, status);
FacultyList.Add(F);
}
else
{
Student S = new Student(username, password, firstname,
middlename, lastname, status);
StudentList.Add(S);
}
}
else
{
freader.Close();
//button1.Visible = false;
//MessageBox.Show("File is now complete.");
}
}
catch (EndOfStreamException)
{ }
}
line = "Yes";
while (line != null)
{
try
{
string coursename;
string coursetitle;
string instructor;
double credit;
int seats;
int timeblocks;
List <coursetime> times = new List <coursetime>();
StreamReader sr = new StreamReader("ClassInput.txt");
{
while (line != null)
{
coursename = line.Substring(0, 11).Trim();
coursetitle = line.Substring(11, 16).Trim();
instructor = line.Substring(27, 11).Trim();
credit = double.Parse(line.Substring(38, 5).Trim());
seats = int.Parse(line.Substring(43, 4).Trim());
timeblocks = int.Parse(line.Substring(47, 2).Trim());
string timeline = line.Substring(49).Trim();
int numTimes = timeblocks;
for (int i = 0; i < numTimes; i++)
{
int begin = (0 + (i * 5));
coursetime c = new coursetime(timeline.Substring(begin, 5));
times.Add(c);
}
courseinfo myCourse = new courseinfo(coursename, coursetitle, instructor,
credit, seats, times);
NextCourses.Add(myCourse);
//MessageBox.Show("There are " + Courses.Count + " Courses.");
line = sr.ReadLine();
}
sr.Close();
//MessageBox.Show("File is now complete.");
}
}
catch
{
MessageBox.Show("There was an Error");
}
}
//add advisees/schedule to faculty
foreach (Faculty prof in FacultyList)
{
foreach (Student stud in StudentList)
{
if (prof.UserName == stud.Status)
{
prof.Advisees.Add(stud.UserName);
}
}
foreach (courseinfo course in NextCourses)
{
if (prof.UserName == course.Instructor)
{
prof.Next.Add(course.Coursename);
}
}
}
line = "Yes";
try
{
string username;
int numcourses;
string coursename;
string term;
double credit;
string grade;
StreamReader sr = new StreamReader("HistoryInput.txt");
while (!sr.EndOfStream)
{
line = sr.ReadLine();
username = line.Substring(0, 10);
line.Remove(0, 10);
line = line.TrimStart();
numcourses = int.Parse(line.Substring(0, 2));
line.Remove(0, 2);
line = line.TrimStart();
// find index of student
int undx = 0;
foreach (Student stud in StudentList)
{
if (stud.UserName == username)
{
break;
}
++undx;
}
for (int i = 0; i < numcourses; ++i)
{
coursename = line.Substring(0, 10);
line.Remove(0, 10);
line = line.TrimStart();
term = line.Substring(0, 3);
line.Remove(0, 3);
line = line.TrimStart();
credit = double.Parse(line.Substring(0, 4));
line.Remove(0, 4);
line = line.TrimStart();
grade = line.Substring(0, 3);
line.Remove(0, 3);
line = line.TrimStart();
// fixed maybe?
if (grade.Contains("N"))
{
if (term == nxtterm)
{
StudentList[undx].Current.Add(coursename);
}
// Users[undx].Add(new courserecord(coursename, term, credit, grade);
else
{
StudentList[undx].Next.Add(coursename);
}
}
else
{
StudentList[undx].History.Add(new courserecord(coursename, term, credit, grade));
}
}
}
}
catch (Exception e)
{
Console.WriteLine("Invalid History Input File");
Console.WriteLine(e.Message);
}
foreach (courseinfo course in NextCourses)
{
foreach (Student stud in StudentList)
{
if (stud.Next.Contains(course.Coursename))
{
stud.EnrolledCredits += course.Credit;
course.Students.Add(stud.UserName);
++course.Enrolled;
}
}
}
// read course prereq database
line = "Yes";
try
{
string coursename;
int numprereq;
string prereq;
StreamReader sr = new StreamReader("PrereqInput.txt");
while (!sr.EndOfStream)
{
line = sr.ReadLine();
coursename = line.Substring(0, 7);
line.Remove(0, 7);
line = line.TrimStart();
numprereq = int.Parse(line.Substring(0, 2));
line.Remove(0, 2);
line = line.TrimStart();
int cndx = 0;
foreach (courseinfo course in NextCourses)
{
if (course.SecLessName == coursename)
{
break;
}
++cndx;
}
for (int i = 0; i < numprereq; ++i)
{
prereq = line.Substring(0, 7);
line.Remove(0, 7);
line = line.TrimStart();
NextCourses[cndx].Prereqs.Add(prereq);
}
}
}
catch (Exception e)
{
Console.WriteLine("Invalid Prereq Input File");
Console.WriteLine(e.Message);
}
//LAUNCH FORMS AND THINGS HERE
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new LoginForm(AdminList, FacultyList, StudentList, NextCourses, PrevCourses));
}
//A student may only enroll itself.
// super kludgy, but it should do the job.
public List<errorReturn> enrollCourse(ref courseinfo course, ref VStudent student)
{
VStudent dummy = new VStudent(this);
List<errorReturn> errlist = base.enrollCourse(ref course, ref dummy);
Next = dummy.Next;
Conflicts = dummy.Conflicts;
return errlist;
}
//Returns a list of errorReturns. Warnings are errorList objects with wasError = false;
//Returns an empty list if there were neither errors nor warnings.
//Test for success by List<errorReturn> i = enrollCourse(c,s); ((i.Count == 0) || (i[0].wasError == false));
public virtual List <errorReturn> enrollCourse(ref courseinfo course, ref VStudent student)
{
List <errorReturn> errlist = new List <errorReturn>();
List <errorReturn> warnlist = new List <errorReturn>();
errorReturn eN; // Always use this to add errors and warnings.
if (student.Next.Contains(course)) //Is the student already registered for this course? Return an error.
{
if (course.Students.Contains(student))
{
eN.wasError = true;
eN.errorWas = "AlreadyHere";
errlist.Add(eN);
return(errlist);
}
else
{
student.Next.Remove(course); //if out of sync, course has priority
}
}
//Generate list of Errors.
if (course.isFull()) //Is the course full? Return an error.
{
eN.wasError = true;
eN.errorWas = "CourseIsFull";
errlist.Add(eN);
}
if ((student.enrolledCredits() + course.Credit) > 5.0) //Would this put the student over 5.0 credits?
{
eN.errorWas = ">5.0";
if (status == "admin") //If Admin, warn, but allow.
{
eN.wasError = false;
warnlist.Add(eN);
}
else //If not Admin, return error.
{
eN.wasError = true;
errlist.Add(eN);
}
}
if (errlist.Count == 0)
{ //Generate list of Warnings.
//Warnings for class conflict
foreach (courseinfo course2 in student.Next) //Compare to each already added class
{
foreach (coursetime time in course.Times) //Each time the course is offered
{
foreach (coursetime time2 in course2.Times) //And each time of that class.
{
bool iscnflct = false;
if (((time.start <= time2.start) && (time2.start <= time.end)) || ((time2.start <= time.start) && (time.start <= time2.end)))
{ //Does this time overlap?
foreach (char day in time.days)
{ //Is it on the same day?
if (time2.days.Contains(day))
{ //Throw warning message.
eN.wasError = false;
eN.errorWas = "!" + course2.Coursetitle;
warnlist.Add(eN);
if (!student.Conflicts.Contains(course.Coursetitle))
{
student.Conflicts.Add(course.Coursetitle);
}
if (!student.Conflicts.Contains(course2.Coursetitle))
{
student.Conflicts.Add(course2.Coursetitle);
}
iscnflct = true;
break;
}
}
if (iscnflct)
{
break;
}
}
}
}
}
// Hopefully interface handles this now?
bool repeat = false;
// are they currently taking it?
foreach (var course2 in student.Current)
{
if (course.Equals(course2))
{
repeat = true;
break;
}
}
// have they taken it before?
if (!repeat)
{
foreach (var course2 in student.History)
{
if (course.Equals(course2))
{
repeat = true;
break;
}
}
}
// warn if they have taken it
if (repeat)
{
eN.wasError = false;
eN.errorWas = "?" + course.Coursetitle;
warnlist.Add(eN);
}
//Beyond here, no new errors and no new warnings.
student.Next.Add(course); //The student has a course.
course.enrollStudent(ref student); //The course has a student.
//Otherwise, we'll return the list of warnings. The only way to have returned an empty list is
//If there are no warnings.
return(warnlist);
}
else
{
return(errlist);
}
}
private void RemoveCourse(courseinfo course)
{
foreach (Student stud in StudentList)
{
foreach (string course2 in stud.Next)
{
if (course.Coursename == course2)
stud.Next.Remove(course2);
}
}
foreach (Faculty prof in FacultyList)
{
foreach (string course2 in prof.Next)
{
if (course.Coursename == course2)
prof.Next.Remove(course2);
}
}
foreach (courseinfo course2 in NextCourses)
{
if (course.Coursename == course2.Coursename)
NextCourses.Remove(course2);
}
}
private void RemoveStudentfromCourse(Student S, courseinfo C)
{
S.Next.Remove(C.Coursename);
S.EnrolledCredits -= C.Credit;
C.Students.Remove(S.UserName);
--C.Enrolled;
MessageBox.Show("Student is no longer registered for " + C.Coursename + ".");
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
// our "databases"
List<Admin> AdminList = new List<Admin>();
List<Faculty> FacultyList = new List<Faculty>();
List<Student> StudentList = new List<Student>();
List<courseinfo> NextCourses = new List<courseinfo>();
List<courseinfo> PrevCourses = new List<courseinfo>();
string line = "Yes";
string nxtterm = "S13";
while (line != null)
{
try
{
string username;
string firstname;
string lastname;
string middlename;
string status;
string password;
StreamReader freader = new StreamReader("UserInput.txt");
line = freader.ReadLine();
if (line != null)
{
username = line.Substring(0, 10).Trim();
password = line.Substring(10, 10).Trim();
firstname = line.Substring(20, 15).Trim();
middlename = line.Substring(35, 15).Trim();
lastname = line.Substring(50, 15).Trim();
status = line.Substring(65).Trim();
if (status == "Admin")
{
Admin A = new Admin(username, password,
firstname, middlename, lastname, status);
AdminList.Add(A);
}
else if (status == "Faculty")
{
Faculty F = new Faculty(username, password,
firstname, middlename, lastname, status);
FacultyList.Add(F);
}
else
{
Student S = new Student(username, password, firstname,
middlename, lastname, status);
StudentList.Add(S);
}
}
else
{
freader.Close();
//button1.Visible = false;
//MessageBox.Show("File is now complete.");
}
}
catch (EndOfStreamException)
{ }
}
line = "Yes";
while (line != null)
{
try
{
string coursename;
string coursetitle;
string instructor;
double credit;
int seats;
int timeblocks;
List<coursetime> times = new List<coursetime>();
StreamReader sr = new StreamReader("ClassInput.txt");
{
while (line != null)
{
coursename = line.Substring(0, 11).Trim();
coursetitle = line.Substring(11, 16).Trim();
instructor = line.Substring(27, 11).Trim();
credit = double.Parse(line.Substring(38, 5).Trim());
seats = int.Parse(line.Substring(43, 4).Trim());
timeblocks = int.Parse(line.Substring(47, 2).Trim());
string timeline = line.Substring(49).Trim();
int numTimes = timeblocks;
for (int i = 0; i < numTimes; i++)
{
int begin = (0 + (i * 5));
coursetime c = new coursetime(timeline.Substring(begin, 5));
times.Add(c);
}
courseinfo myCourse = new courseinfo(coursename, coursetitle, instructor,
credit, seats, times);
NextCourses.Add(myCourse);
//MessageBox.Show("There are " + Courses.Count + " Courses.");
line = sr.ReadLine();
}
sr.Close();
//MessageBox.Show("File is now complete.");
}
}
catch
{
MessageBox.Show("There was an Error");
}
}
//add advisees/schedule to faculty
foreach (Faculty prof in FacultyList)
{
foreach (Student stud in StudentList)
{
if (prof.UserName == stud.Status)
prof.Advisees.Add(stud.UserName);
}
foreach (courseinfo course in NextCourses)
{
if (prof.UserName == course.Instructor)
prof.Next.Add(course.Coursename);
}
}
line = "Yes";
try
{
string username;
int numcourses;
string coursename;
string term;
double credit;
string grade;
StreamReader sr = new StreamReader("HistoryInput.txt");
while (!sr.EndOfStream)
{
line = sr.ReadLine();
username = line.Substring(0, 10);
line.Remove(0, 10);
line = line.TrimStart();
numcourses = int.Parse(line.Substring(0, 2));
line.Remove(0, 2);
line = line.TrimStart();
// find index of student
int undx = 0;
foreach (Student stud in StudentList)
{
if (stud.UserName == username)
break;
++undx;
}
for (int i = 0; i < numcourses; ++i)
{
coursename = line.Substring(0, 10);
line.Remove(0, 10);
line = line.TrimStart();
term = line.Substring(0, 3);
line.Remove(0, 3);
line = line.TrimStart();
credit = double.Parse(line.Substring(0, 4));
line.Remove(0, 4);
line = line.TrimStart();
grade = line.Substring(0, 3);
line.Remove(0, 3);
line = line.TrimStart();
// fixed maybe?
if (grade.Contains("N"))
{
if (term == nxtterm)
StudentList[undx].Current.Add(coursename);
// Users[undx].Add(new courserecord(coursename, term, credit, grade);
else StudentList[undx].Next.Add(coursename);
}
else StudentList[undx].History.Add(new courserecord(coursename, term, credit, grade));
}
}
}
catch (Exception e)
{
Console.WriteLine("Invalid History Input File");
Console.WriteLine(e.Message);
}
foreach (courseinfo course in NextCourses)
{
foreach (Student stud in StudentList)
{
if (stud.Next.Contains(course.Coursename))
{
stud.EnrolledCredits += course.Credit;
course.Students.Add(stud.UserName);
++course.Enrolled;
}
}
}
// read course prereq database
line = "Yes";
try
{
string coursename;
int numprereq;
string prereq;
StreamReader sr = new StreamReader("PrereqInput.txt");
while (!sr.EndOfStream)
{
line = sr.ReadLine();
coursename = line.Substring(0, 7);
line.Remove(0, 7);
line = line.TrimStart();
numprereq = int.Parse(line.Substring(0, 2));
line.Remove(0, 2);
line = line.TrimStart();
int cndx = 0;
foreach (courseinfo course in NextCourses)
{
if (course.SecLessName == coursename)
break;
++cndx;
}
for (int i = 0; i < numprereq; ++i)
{
prereq = line.Substring(0, 7);
line.Remove(0, 7);
line = line.TrimStart();
NextCourses[cndx].Prereqs.Add(prereq);
}
}
}
catch (Exception e)
{
Console.WriteLine("Invalid Prereq Input File");
Console.WriteLine(e.Message);
}
//LAUNCH FORMS AND THINGS HERE
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new LoginForm(AdminList, FacultyList, StudentList, NextCourses, PrevCourses));
}
//Returns a list of errorReturns. Warnings are errorList objects with wasError = false;
//Returns an empty list if there were neither errors nor warnings.
//Test for success by List<errorReturn> i = enrollCourse(c,s); ((i.Count == 0) || (i[0].wasError == false));
public virtual List<errorReturn> enrollCourse(ref courseinfo course, ref VStudent student)
{
List<errorReturn> errlist = new List<errorReturn>();
List<errorReturn> warnlist = new List<errorReturn>();
errorReturn eN; // Always use this to add errors and warnings.
if (student.Next.Contains(course)) //Is the student already registered for this course? Return an error.
{
if (course.Students.Contains(student))
{
eN.wasError = true;
eN.errorWas = "AlreadyHere";
errlist.Add(eN);
return errlist;
}
else student.Next.Remove(course); //if out of sync, course has priority
}
//Generate list of Errors.
if (course.isFull()) //Is the course full? Return an error.
{
eN.wasError = true;
eN.errorWas = "CourseIsFull";
errlist.Add(eN);
}
if ((student.enrolledCredits() + course.Credit) > 5.0) //Would this put the student over 5.0 credits?
{
eN.errorWas = ">5.0";
if (status == "admin") //If Admin, warn, but allow.
{
eN.wasError = false;
warnlist.Add(eN);
}
else //If not Admin, return error.
{
eN.wasError = true;
errlist.Add(eN);
}
}
if (errlist.Count == 0)
{ //Generate list of Warnings.
//Warnings for class conflict
foreach (courseinfo course2 in student.Next) //Compare to each already added class
{
foreach (coursetime time in course.Times) //Each time the course is offered
{
foreach (coursetime time2 in course2.Times) //And each time of that class.
{
bool iscnflct = false;
if (((time.start <= time2.start) && (time2.start <= time.end)) || ((time2.start <= time.start) && (time.start <= time2.end)))
{ //Does this time overlap?
foreach (char day in time.days)
{ //Is it on the same day?
if (time2.days.Contains(day))
{ //Throw warning message.
eN.wasError = false;
eN.errorWas = "!" + course2.Coursetitle;
warnlist.Add(eN);
if (!student.Conflicts.Contains(course.Coursetitle))
student.Conflicts.Add(course.Coursetitle);
if (!student.Conflicts.Contains(course2.Coursetitle))
student.Conflicts.Add(course2.Coursetitle);
iscnflct = true;
break;
}
}
if (iscnflct)
break;
}
}
}
}
// Hopefully interface handles this now?
bool repeat = false;
// are they currently taking it?
foreach(var course2 in student.Current)
{
if(course.Equals(course2))
{
repeat = true;
break;
}
}
// have they taken it before?
if (!repeat)
{
foreach (var course2 in student.History)
{
if (course.Equals(course2))
{
repeat = true;
break;
}
}
}
// warn if they have taken it
if (repeat)
{
eN.wasError = false;
eN.errorWas = "?" + course.Coursetitle;
warnlist.Add(eN);
}
//Beyond here, no new errors and no new warnings.
student.Next.Add(course); //The student has a course.
course.enrollStudent(ref student); //The course has a student.
//Otherwise, we'll return the list of warnings. The only way to have returned an empty list is
//If there are no warnings.
return warnlist;
}
else return errlist;
}
public override errorReturn unenrollCourse(ref courseinfo course, ref VStudent student)
{
return(base.unenrollCourse(ref course, ref student));
}
public virtual errorReturn unenrollCourse(ref courseinfo course, ref VStudent student)
{
errorReturn er;
//if (this.status == "faculty")
//{
// //Depending on Future specs, we still might want to test for this.
//}
// shouldn't be needed
//if ((this.status == "student") || (this.usertype == VType.student))
//{
// //Is the user doing the edit the student being registered?
// if (this != student)
// {
// //We have a very clever student.
// er.wasError = true;
// er.errorWas = "diffStudent";
// return er; //This is one where we might want to kick them out.
// }
//}
if (!student.Next.Remove(course))
{
er.wasError = true;
er.errorWas = "notenrolled";
return er;
// throw "Unenroll encountered an error. Were you enrolled?" error
}
//recheck conflicts
student.checkConflicts();
er.wasError = false;
er.errorWas = "notError";
return er;
}
public void AddStudenttoCourse(Student S, courseinfo C)
{
bool enroll = true;
List <string> messages = new List <string>();
foreach (string course in S.Current)
{
if (course.Substring(0, course.Length - 3) == C.SecLessName)
{
messages.Add("You've Already Registered for this Course!");
enroll = false;
break;
}
}
if (C.Enrolled >= C.Seats)
{
messages.Add("Class is Full!");
enroll = false;
}
if (S.EnrolledCredits <= 5.0 - C.Credit)
{
messages.Add("Trying to Enroll for 5 Credits or More!");
enroll = false;
}
foreach (string req in C.Prereqs)
{
bool taken = false;
foreach (courserecord pastcourse in S.History)
{
if (pastcourse.SecLessName == req)
{
taken = true;
break;
}
}
foreach (string curcourse in S.Current)
{
if (curcourse.Substring(0, curcourse.Length - 3) == req)
{
taken = true;
break;
}
}
if (!taken)
{
messages.Add("You Don't Meet the Prerequisites!");
enroll = false;
break;
}
}
bool retake = false;
foreach (string course in S.Current)
{
if (C.SecLessName == course.Substring(0, course.Length - 3))
{
retake = true;
break;
}
}
//foreach (courserecord course in S.Current) CHANGED HERE
foreach (courserecord course in S.History)
{
if (course.Term == "S13")
{
if (C.SecLessName == course.SecLessName)
{
retake = true;
break;
}
}
}
if (retake)
{
messages.Add("You're Retaking this Class!");
}
foreach (courseinfo Course in coursesNextYear) //Compare to each already added class
{
bool iscnflct = false;
if (S.Next.Contains(Course.Coursename))
{
foreach (coursetime time in C.Times) //Each time the course is offered
{
foreach (coursetime time2 in Course.Times) //And each time of that class.
{
if (((time.start <= time2.start) && (time2.start <= time.end)) || ((time2.start <= time.start) && (time.start <= time2.end)))
{ //Does this time overlap?
foreach (char day in time.daylist)
{ //Is it on the same day?
if (time2.daylist.Contains(day))
{ //Throw warning message.
messages.Add("Conflicts with Another Class!");
iscnflct = true;
break;
}
}
if (iscnflct)
{
break;
}
}
}
if (iscnflct)
{
break;
}
}
if (iscnflct)
{
break;
}
}
}
if (enroll)
{
Add(S, C);
messages.Add("Successfully Enrolled in Class.");
}
else
{
messages.Add("Can't Enroll in Class.");
}
string text = "";
foreach (string str in messages)
{
text += str + '\n';
}
MessageBox.Show(text);
}
public void RemoveStudentfromCourse(Student S, courseinfo C)
{
S.Next.Remove(C.Coursename);
S.EnrolledCredits -= C.Credit;
C.Students.Remove(S.UserName);
C.Enrolled--;
MessageBox.Show("You are no longer registered for " + C.Coursename + ".");
}
