public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
var credits = 0;
var average = 0;
var relevantCourses = 0;
var requirements = diploma.Requirements.Select(x => Repository.GetRequirement(x));
foreach (var requirement in requirements)
{
var studentCourse = student.Courses.FirstOrDefault(x => x.Id == requirement.Course);
if (studentCourse != null)
{
relevantCourses += 1;
average += studentCourse.Mark;
if (studentCourse.Mark >= requirement.MinimumMark)
{
credits += requirement.Credits;
}
}
}
average = average / relevantCourses;
var standing = StandingsHelper.GetStandingFromMark(average);
if (StandingsHelper.IsPassingGrade(average) && credits >= diploma.Credits)
{
return(new Tuple <bool, STANDING>(true, standing));
}
return(new Tuple <bool, STANDING>(false, standing));
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
var credits = 0;
int sumOfMarks = 0;
var requirementsForDiploma = diploma.Requirements;
Dictionary <int, int> CoursesIDCreaditToPassList = new Dictionary <int, int>();
foreach (var requiredId in requirementsForDiploma)
{
CoursesIDCreaditToPassList.Add(_repository.GetRequirement(requiredId).Courses[0], _repository.GetRequirement(requiredId).Credits);
}
List <int> CourseIDStudendHasPassed = new List <int>();
foreach (var course in student.Courses)
{
CourseIDStudendHasPassed.Add(course.Id);
sumOfMarks += course.Mark;
credits += CoursesIDCreaditToPassList.FirstOrDefault(x => x.Key == course.Id).Value;
}
if (CourseIDStudendHasPassed.All(CoursesIDCreaditToPassList.Keys.ToList().Contains) &&
credits == diploma.Credits)
{
return(CalculateAverage(sumOfMarks, student.Courses.Length));
}
else
{
return(new Tuple <bool, STANDING>(false, STANDING.Remedial));
}
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
int credits = 0, average = 0;
for (int i = 0, j = 0; i < diploma.Requirements.Length && j < student.Courses.Length; i++, j++)
{
var requirement = Repository.GetRequirement(diploma.Requirements[i]);
for (int k = 0; k < requirement.Courses.Length; k++)
{
if (requirement.Courses[k] == student.Courses[j].Id)
{
average += student.Courses[j].Mark;
if (student.Courses[j].Mark > requirement.MinimumMark)
{
credits += requirement.Credits;
}
}
}
}
average /= student.Courses.Length;
STANDING standing;
if (average < 50)
{
standing = STANDING.Remedial;
}
else if (average < 80)
{
standing = STANDING.Average;
}
else if (average < 95)
{
standing = STANDING.SumaCumLaude;
}
else
{
standing = STANDING.MagnaCumLaude;
}
switch (standing)
{
case STANDING.Remedial:
return(new Tuple <bool, STANDING>(false, standing));
case STANDING.Average:
return(new Tuple <bool, STANDING>(true, standing));
case STANDING.SumaCumLaude:
return(new Tuple <bool, STANDING>(true, standing));
case STANDING.MagnaCumLaude:
return(new Tuple <bool, STANDING>(true, standing));
default:
return(new Tuple <bool, STANDING>(false, standing));
}
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
var average = 0;
foreach (var diplomaRequirement in diploma.Requirements)
{
var courseRequirement = Repository.GetRequirement(diplomaRequirement);
var studentMark = student.Courses.Single(c => c.Name == courseRequirement.Name).Mark;
average += studentMark;
}
average /= student.Courses.Length;
if (average < 50)
{
return(new Tuple <bool, STANDING>(false, STANDING.Remedial));
}
else if (average < 80)
{
return(new Tuple <bool, STANDING>(true, STANDING.Average));
}
else if (average < 95)
{
return(new Tuple <bool, STANDING>(true, STANDING.SumaCumLaude));
}
else
{
return(new Tuple <bool, STANDING>(true, STANDING.MagnaCumLaude));
}
}
public ReportCard GetReportCard(Diploma diploma, Student student)
{
var result = new ReportCard()
{
DiplomaId = diploma.Id,
StudentId = student.Id
};
var gradeSum = 0;
var totalRequiredCoursesTakenForDiploma = 0;
foreach (var requirementId in diploma.Requirements)
{
// Need to check if the student meets this requirement.
var requirement = Repository.GetRequirement(requirementId);
// Get all the courses the student has taken that are part of the requirement.
var requirementCoursesTakenByStudent =
student.Courses.Where(c => requirement.CourseIds.Contains(c.Id));
// Increment total number of courses taken for this diploma
totalRequiredCoursesTakenForDiploma += requirementCoursesTakenByStudent.Count();
// Aggregate the marks obtained.
gradeSum += requirementCoursesTakenByStudent.Sum(c => c.Mark);
// Aggregate credits if mark meets minimum requirement
result.Credits += requirementCoursesTakenByStudent
.Where(c => c.Mark > requirement.MinimumMark)
.Sum(c => requirement.Credits);
}
result.Average = gradeSum / totalRequiredCoursesTakenForDiploma;
return(result);
}
public Tuple <bool, Standing> HasGraduated(Diploma diploma, Student student)
{
int average = 0;
CalculateAverage(diploma, student, ref average);
return(CheckGraduation(average));
}
private static int CalculateAverage(Diploma diploma, Student student)
{
int average = 0;
for (int i = 0; i < diploma.Requirements.Length; i++)
{
for (int j = 0; j < student.Courses.Length; j++)
{
var requirement = Repository.GetRequirement(diploma.Requirements[i]);
for (int k = 0; k < requirement.Courses.Length; k++)
{
if (requirement.Courses[k] == student.Courses[j].Id)
{
average += student.Courses[j].Mark;
if (student.Courses[j].Mark >= requirement.MinimumMark)
{
student.Credits += requirement.Credits;
}
}
}
}
}
return(average);
}
public static Diploma GetDiploma(int id)
{
var diplomas = GetDiplomas();
IGraduation <Diploma> obj = new Diploma();
return(obj.GetObjectByID(diplomas, id));
}
public Standing HasGraduated(Diploma diploma, Student student)
{
foreach (Requirement req in diploma.Requirements)
{
bool requirementMet = _requirementsService.CreditsFulfilled(req, student);
if (!requirementMet)
{
return(Standing.CreditsUnfulfilled);
}
}
// Here I am making an assumption. I don't have enough information
// on how the average is calculated. The original code is rather confusing:
// it first totals the marks of the cources which ARE on the requirement but
// then it divides that total by the number of cources the student completed
// You have to pick one or the other: either compute the average of all cources the
// student took OR compute the average of the REQUIRED cources. I picked the total
// of the student completed cources
int average = _requirementsService.GetStudentAverage(student);
if (average < 50)
{
return(Standing.Remedial);
}
if (average < 80)
{
return(Standing.Average);
}
if (average < 95)
{
return(Standing.MagnaCumLaude);
}
return(Standing.MagnaCumLaude);
}
/// <summary>
/// This Method based on Average checks whether the student is graduated or not.
/// </summary>
/// <param name="diploma"></param>
/// <param name="student"></param>
/// <returns>tuple of whether graduated and standing</returns>
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
var credits = 0;
var average = 0;
int totalCourses = 0;
for (int i = 0; i < diploma.Requirements.Length; i++)
{
var requirement = repository.GetRequirement(diploma.Requirements[i]);
var requiredCoursesCompleted = student.Courses.Where(c => requirement.Courses.Contains(c.Id));
average += requiredCoursesCompleted.Sum(c => c.Mark);
credits += requiredCoursesCompleted.Where(rcp => rcp.Mark > requirement.MinimumMark).Count() * requirement.Credits;
totalCourses = requirement.Courses.Count();
}
average = average / totalCourses;
// No Case for STANDING.SumaCumLaude defined: requirement not clear
if (average < 50)
{
return(new Tuple <bool, STANDING>(false, STANDING.Remedial));
}
else if (average < 80)
{
return(new Tuple <bool, STANDING>(true, STANDING.Average));
}
else if (average < 95)
{
return(new Tuple <bool, STANDING>(true, STANDING.MagnaCumLaude));
}
else
{
return(new Tuple <bool, STANDING>(false, STANDING.MagnaCumLaude));
}
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
try
{
var creditsAverage = GetCreditAverage(diploma, student);
var standing = GetStanding(creditsAverage.Item2);
// Not enough credits
if (creditsAverage.Item1 < diploma.Credits)
{
return(new Tuple <bool, STANDING>(false, STANDING.Remedial));
}
else if (standing == STANDING.Remedial || standing == STANDING.None)
{
return(new Tuple <bool, STANDING>(false, standing));
}
else
{
return(new Tuple <bool, STANDING>(true, standing));
}
}
catch (Exception ex)
{
return(new Tuple <bool, STANDING>(false, STANDING.None));
}
}
/// <summary>
///
/// </summary>
/// <param name="diploma"></param>
/// <param name="student"></param>
/// <returns></returns>
public Tuple <bool, STANDING, int> HasGraduated(Diploma diploma, Student student)
{
var credits = 0;
var sumOfMarks = 0;
for (int i = 0; i < diploma.Requirements.Length; i++)
{
for (int j = 0; j < student.Courses.Length; j++)
{
var requirement = _repository.GetRequirement(diploma.Requirements[i]);
for (int k = 0; k < requirement.Courses.Length; k++)
{
if (requirement.Courses[k] == student.Courses[j].Id)
{
sumOfMarks += student.Courses[j].Mark;
if (student.Courses[j].Mark > requirement.MinimumMark)
{
credits += requirement.Credits;
}
}
}
}
}
var averageMark = sumOfMarks / student.Courses.Length;
//credits added to have ability to create unit test
return(new Tuple <bool, STANDING, int>(StudentHasGraduated(averageMark), StudentStanding(averageMark), credits));
}
private void UpdateCredits(Diploma diploma, Student student, ref int credits, ref int average, IRepository repo)
{
try
{
for (int i = 0; i < diploma.Requirements.Length; i++)
{
for (int j = 0; j < student.Courses.Length; j++)
{
var requirement = repo.GetRequirement(diploma.Requirements[i]);
for (int k = 0; k < requirement.Courses.Length; k++)
{
if (requirement.Courses[k] == student.Courses[j].Id)
{
average += student.Courses[j].Mark;
if (student.Courses[j].Mark > requirement.MinimumMark)
{
credits += requirement.Credits;
}
}
}
}
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message.ToString());
}
}
private static float GetAverage(Diploma Diploma, Student Student)
{
int Credits = 0;
float Marks = 0;
for (int i = 0; i < Diploma.Requirements.Length; i++)
{
for (int j = 0; j < Student.Courses.Length; j++)
{
Requirement Requirement = Requirement.GetRequirement(Diploma.Requirements[i]);
for (int k = 0; k < Requirement.Courses.Length; k++)
{
if (Requirement.Courses[k] == Student.Courses[j].Id)
{
Marks += Student.Courses[j].Mark;
if (Student.Courses[j].Mark > Requirement.MinimumMark)
{
Credits += Requirement.Credits;
}
}
}
}
}
return(Marks / Student.Courses.Length);
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
var credits = 0;
var average = 0;
for (int i = 0; i < diploma.Requirements.Length; i++)
{
for (int j = 0; j < student.Courses.Length; j++)
{
var requirement = _appIRepository.GetRequirement(diploma.Requirements[i]);
for (int k = 0; k < requirement.Courses.Length; k++)
{
if (requirement.Courses[k] == student.Courses[j].Id)
{
average += student.Courses[j].Mark;
if (student.Courses[j].Mark > requirement.MinimumMark)
{
credits += requirement.Credits;
}
}
}
}
}
average = average / student.Courses.Length;
return(GetStanding(average));
}
/// <summary>
/// Function calculates average of student and provides an appropriate standing based on the result
/// </summary>
/// <param name="diploma">Contains the IDs of Required Courses</param>
/// <param name="student">Contains List of Courses the Student Undertook</param>
/// <returns>A tuple value that contains a boolean value and the standing</returns>
public Tuple <bool, Standing> HasGraduated(Diploma diploma, Student student)
{
//Removed the variable "credits" as it wasn't used anywhere in the program.
var average = 0;
//Performed validations before executing the Expression to avoid any exceptions
if (diploma != null && student != null && !student.Courses.Count().Equals(0))
{
average = diploma.Requirements.Where(requirementId =>
new Repository <RequirementRepository>().FetchRecordByID(requirementId) != null)
.Select(requirementId =>
student.Courses.Where(courseSelector =>
courseSelector.Id.Equals(requirementId))
.Select(courseSelector => courseSelector.Mark)
.Sum()).Sum() / student.Courses.Count();
}
//Renamed and Moved the "GetRequirement" function above the Student Loop to reduce the amount of database call
//Adding the marks of the course selector imperatively as all the conditions statisfy and perform an average
//Removed unecessary "standing" variable as the same can be achieved by directly accessing the enum-constant
return
(average == 0 ? new Tuple <bool, Standing>(false, Standing.None) :
average < 50 ? new Tuple <bool, Standing>(false, Standing.Remedial) :
average < 80 ? new Tuple <bool, Standing>(true, Standing.Average) :
average < 95 ? new Tuple <bool, Standing>(true, Standing.MagnaCumLaude) :
new Tuple <bool, Standing>(true, Standing.SumaCumLaude));
}
public Diploma GetDiploma(int id)
{
var diplomas = GetDiplomas();
Diploma diploma = diplomas.SingleOrDefault(x => x.Id == id);
return(diploma);
}
public static Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
int average = CalculateAverage(diploma, student) / student.Courses.Length;
bool reqCreditsEarned = RequiredCreditsEarned(diploma, student);
student.Standing = DetermineStanding(average, reqCreditsEarned);
return(new Tuple <bool, STANDING>(reqCreditsEarned && student.Standing > STANDING.Remedial, student.Standing));
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
Tuple <bool, STANDING> result = new Tuple <bool, STANDING>(false, STANDING.None);
if (diploma == null || student == null || diploma.Requirements == null)
{
return(result);
}
var credits = 0;
int totalMarks = 0;
var courseRequirements = repository.GetCourseRequirements();
for (int i = 0; i < diploma.Requirements.Length; i++)
{
var courseRequirement = courseRequirements.Where(cr => cr.Id == diploma.Requirements[i]).FirstOrDefault();
if (courseRequirement == null)
{
continue;
}
var courseMark = student.CourseMarks.Where(m => m.CourseId == courseRequirement.CourseId).FirstOrDefault();
if (courseMark == null)
{
continue;
}
totalMarks += courseMark.Mark;
if (courseMark.Mark > courseRequirement.MinimumMark)
{
credits += courseRequirement.Credits;
}
}
var average = totalMarks / student.CourseMarks.Length;
if (average < 50)
{
result = new Tuple <bool, STANDING>(false, STANDING.Remedial);
}
else if (average < 80)
{
result = new Tuple <bool, STANDING>(true, STANDING.Average);
}
else if (average < 95)
{
result = new Tuple <bool, STANDING>(true, STANDING.MagnaCumLaude);
}
else
{
result = new Tuple <bool, STANDING>(true, STANDING.SumaCumLaude);
}
return(result);
}
/// <summary>
/// Check if the Student has been graduated
/// </summary>
/// <param name="diploma">Diploma to match with student courses</param>
/// <param name="student">Student information</param>
/// <returns>Tuple informing has graduated/Standing/Credits</returns>
public Tuple <bool, STANDING, int> HasGraduated(Diploma diploma, Student student)
{
bool graduated = false;
int credits = 0;
var average = 0;
foreach (Requirement iDipReq in diploma.Requirements)
{
//Get the diploma's requirement
Requirement reqCourse = BRequirement.GetRequirement(iDipReq.Id);
foreach (Course iStuCou in student.Courses)
{
//Check if the current student course belongs to the diploma's requirement course
if (reqCourse.Courses.SingleOrDefault(x => x.Id == iStuCou.Id) != null)
{
average += iStuCou.Mark;
if (iStuCou.Mark > reqCourse.MinimumMark)
{
credits += reqCourse.Credits;
}
}
}
}
average = average / student.Courses.Count;
var standing = STANDING.None;
if (average < 50)
{
standing = STANDING.Remedial;
graduated = false;
}
else if (average < 80)
{
standing = STANDING.Average;
graduated = true;
}
else if (average < 95)
{
standing = STANDING.MagnaCumLaude;
graduated = true;
}
else
{
standing = STANDING.MagnaCumLaude;
graduated = true;
}
return(new Tuple <bool, STANDING, int>(graduated, standing, credits));
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
// Ensure that all requirements are met
var meetsRequirements = diploma.Requirements.All(rId => CoursesMeetRequirement(rId, student.Courses));
// Calculate average grade and total credits
var credits = 0;
var average = 0;
foreach (var course in student.Courses)
{
// Only passed courses count toward total credits
if (course.Mark >= 50)
{
credits += course.Credits;
}
// All courses count toward average
average += course.Mark;
}
average = average / student.Courses.Length;
var standing = STANDING.None;
if (average >= 100)
{
standing = STANDING.SumaCumLaude;
}
else if (average >= 80)
{
standing = STANDING.MagnaCumLaude;
}
else if (average >= 50)
{
standing = STANDING.Average;
}
else
{
standing = STANDING.Remedial;
}
// In order to graduate a student must:
// 1. have the minimum average grade (>=50)
// 2. AND have met all of the specified requirements
// 3. AND have earned the minimum number of credits
var graduated = (
standing != STANDING.Remedial &&
meetsRequirements &&
credits >= diploma.Credits
);
return(new Tuple <bool, STANDING>(graduated, standing));
}
public static Diploma GetDiploma(int id)
{
var diplomas = GetDiplomas();
Diploma diploma = null;
for (int i = 0; i < diplomas.Length; i++)
{
if (id == diplomas[i].Id)
{
diploma = diplomas[i];
}
}
return(diploma);
}
public static Diploma GetDiploma(int Id)
{
Diploma[] Diplomas = Repository.GetDiplomas();
Diploma Diploma = null;
for (int i = 0; i < Diplomas.Length; i++)
{
if (Id == Diplomas[i].Id)
{
Diploma = Diplomas[i];
}
}
return(Diploma);
}
public ResultGraduationTraker HasGraduated(Diploma diploma, Student student)
{
IEnumerable <RequirementCoursesMark> requirementCoursesMark = this.GetRequirementCoursesMarkData(diploma, student);
decimal averageMark = this.GetAvarageMark(requirementCoursesMark, student);
int totalCredit = this.GetTotalCredit(requirementCoursesMark);
student.Standing = this.GetStudentStanding(averageMark);
return(new ResultGraduationTraker {
Graduated = this.IsGraduated(student.Standing),
Standing = student.Standing,
TotalCredits = totalCredit
});
}
public Tuple <bool, Standing> HasGraduated(Diploma diploma, Student student)
{
var average = 0;
var countCourses = 0;
var requirements = diploma.Requirements;
for (int i = 0; i < requirements.Length; i++)
{
var requirement = repository.GetRequirement(requirements[i]);
average += student.Courses.Where(c => requirement.Courses.Contains(c.Id)).Sum(c => c.Mark);
countCourses = requirement.Courses.Count();
}
return(CalculateStanding(average / countCourses));
}
/// <summary>
/// To check if a student has graduated; determined by the student standing
/// </summary>
/// <param name="diploma">The diploma object</param>
/// <param name="student">The student object</param>
/// <returns>A 3-Tuple</returns>
public Tuple <bool, STANDING, int> HasGraduated(Diploma diploma, Student student)
{
var credits = 0;
var average = 0;
// get student's average
average = GetStudentAverage(student, diploma.Requirements, out credits);
// get student standing with the calculated average
var standing = GetStandingByAverage(average);
var graduated = (standing == STANDING.Average || standing == STANDING.SumaCumLaude || standing == STANDING.MagnaCumLaude) ? true : false;
return(new Tuple <bool, STANDING, int>(graduated, standing, credits));
}
/// <summary>
/// This function computes a student's average score and total credits for a given diploma program
/// </summary>
/// <param name="student"></param>
/// <param name="diploma"></param>
/// <param name="diplomareqId"></param>
public void getStudentReqCreditsandAverage(Student student, Diploma diploma, int diplomareqId)
{
foreach (var stdcourse in student.Courses)
{
var requirement = Repository.GetRequirement(diplomareqId);
foreach (int reqcourseId in requirement.Courses)
{
if (requirement.Courses.Contains(stdcourse.Id))
{
average += stdcourse.Mark;
credits += stdcourse.Mark > requirement.MinimumMark ? requirement.Credits : 0;
}
}
}
}
public static Diploma GetDiploma(int id)
{
var diplomas = GetDiplomas();
Diploma diploma = null;
diploma = diplomas.FirstOrDefault(d => d.Id.Equals(id));
//for (int i = 0; i < diplomas.Length; i++)
//{
// if (id == diplomas[i].Id)
// {
// diploma = diplomas[i];
// }
//}
return(diploma);
}
public Tuple <bool, Standing> HasGraduated(Diploma diploma, Student student)
{
int credits = 0;
var average = 0;
for (int i = 0; i < diploma.Requirements.Length; i++)
{
for (int j = 0; j < student.Courses.Length; j++)
{
Requirement requirement = RequirementRepository.GetById(diploma.Requirements[i]);
for (int k = 0; k < requirement.Courses.Length; k++)
{
if (requirement.Courses[k] == student.Courses[j].Id)
{
average += student.Courses[j].Mark;
if (student.Courses[j].Mark > requirement.MinimumMark)
{
credits += requirement.Credits;
}
}
}
}
}
average /= student.Courses.Length;
Standing standing = GetStanding(average);
switch (standing)
{
case Standing.Remedial:
return(new Tuple <bool, Standing>(false, standing));
case Standing.Average:
return(new Tuple <bool, Standing>(true, standing));
case Standing.SumaCumLaude:
return(new Tuple <bool, Standing>(true, standing));
case Standing.MagnaCumLaude:
return(new Tuple <bool, Standing>(true, standing));
default:
return(new Tuple <bool, Standing>(false, standing));
}
}
public Tuple <bool, STANDING> HasGraduated(Diploma diploma, Student student)
{
credits = 0;
average = 0;
//calculate student credits and average score for each diploma requirement
diploma.Requirements.ToList().ForEach(x => getStudentReqCreditsandAverage(student, diploma, x));
average = average / student.Courses.Length;
var standing = STANDING.None;
if (average < 50)
{
standing = STANDING.Remedial;
}
else if (average < 80)
{
standing = STANDING.Average;
}
else if (average < 95)
{
standing = STANDING.MagnaCumLaude;
}
else
{
standing = STANDING.SumaCumLaude;
}
switch (standing)
{
case STANDING.Remedial:
return(new Tuple <bool, STANDING>(false, standing));
case STANDING.Average:
return(new Tuple <bool, STANDING>(true, standing));
case STANDING.SumaCumLaude:
return(new Tuple <bool, STANDING>(true, standing));
case STANDING.MagnaCumLaude:
return(new Tuple <bool, STANDING>(true, standing));
default:
return(new Tuple <bool, STANDING>(false, standing));
}
}
