//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;
}
//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);
}
}
