//case 2: Check
public void FuntionCheckInformation()
{
var interFace = new InterfaceOfUser();
interFace.HeaderOfTableOfInformation();
foreach (Student item in Students)
{
item.ReturnInformationOfAStudent();
}
}
//case 7: Calculate Averages
public void CalculateAverages()
{
var interFace = new InterfaceOfUser();
foreach (Student item in Students)
{
interFace.HeaderOfTableOfInformation();
item.ReturnInformationOfAStudent();
Console.WriteLine("Average Grade is: " + item.CalculateAverageGrade() + "\n");
}
}
public int EnterNumberOfStudent()
{
var interFace = new InterfaceOfUser();
int Number;
Console.Write("Enter number of students: ");
do
{
string NumberOfStudentWantToAdd = Console.ReadLine();
Number = interFace.CheckAndReturn(NumberOfStudentWantToAdd);
} while (Number == -1);
return(Number);
}
public int EnterNumberOfGrades()
{
var interFace = new InterfaceOfUser();
int NumberOfGrade;
Console.Write("Enter number of grades (1-->2): ");
do
{
string NumberOfGradeWantToAdd = Console.ReadLine();
NumberOfGrade = interFace.CheckAndReturn(NumberOfGradeWantToAdd);
} while (NumberOfGrade == -1);
return(NumberOfGrade);
}
public string GetId(List <Student> students)
{
var interFace = new InterfaceOfUser();
string checkId;
string ID;
Console.Write("ID is: ");
do
{
ID = Console.ReadLine();
checkId = interFace.CheckEnterId(ID, students);
} while (checkId != ID);
return(ID);
}
//Case 5: Find fail grades
public void FindFailGrade()
{
var interFace = new InterfaceOfUser();
interFace.HeaderOfTableOfInformation();
foreach (Student item in Students)
{
float AverageGrade = item.CalculateAverageGrade();
if (AverageGrade < 5)
{
item.ReturnInformationOfAStudent();
Console.WriteLine("Average grade is: " + AverageGrade);
}
}
}
public List <float> GetGrade()
{
var interFace = new InterfaceOfUser();
int numberOfGrades;
do
{
numberOfGrades = interFace.CheckNumberOfGrade(EnterNumberOfGrades());
} while (numberOfGrades == 0);
List <float> Grades = new List <float>();
for (var i = 0; i < numberOfGrades; i++)
{
Console.Write("Grade " + (i + 1) + ": ");
float grade = float.Parse(Console.ReadLine());
Grades.Add(grade);
}
return(Grades);
}
//Case 8: Delete student
public void DeleteStudentById()
{
var EnterID = new EnterInformation();
var InterFace = new InterfaceOfUser();
string IdToDelete = EnterID.EnterIdToFind();
if (InterFace.IsIdExist(IdToDelete, Students) == true)
{
Console.WriteLine("Student does not exist");
}
else
{
foreach (Student student in Students)
{
Students.RemoveAll(s => string.Compare(s.Id, IdToDelete, true) == 0);
Console.WriteLine("Deleted");
break;
}
}
}
//case 4: Find Student has highest grade
public void FindStudentsHaveHighestAverageGrade()
{
float highestGrade;
var interFace = new InterfaceOfUser();
List <float> AverageGradeTemp = new List <float>();
foreach (Student item in Students)
{
AverageGradeTemp.Add(item.CalculateAverageGrade());
}
AverageGradeTemp.Sort();
highestGrade = AverageGradeTemp[AverageGradeTemp.Count - 1];
foreach (Student item in Students)
{
if (highestGrade == item.CalculateAverageGrade())
{
Console.WriteLine("Hightest average Grade is: " + highestGrade);
interFace.HeaderOfTableOfInformation();
item.ReturnInformationOfAStudent();
}
}
}
//case 3: Find student
public void FindByID()
{
var enterInfor = new EnterInformation();
var InterFace = new InterfaceOfUser();
string idFind = enterInfor.EnterIdToFind();
Console.Clear();
if (InterFace.IsIdExist(idFind, Students) == true)
{
Console.WriteLine("Not Found");
}
else
{
InterFace.HeaderOfTableOfInformation();
foreach (Student item in Students)
{
if (item.Id == idFind)
{
item.ReturnInformationOfAStudent();
}
}
}
}
public void Active()
{
ClassRoom Classes = new ClassRoom();
char askToContinue;
var enterChoice = new EnterInformation();
var interFace = new InterfaceOfUser();
int optionItem;
int isStudentExist;
string userInput;
do
{
interFace.MainMenu();
do
{
userInput = enterChoice.EnterUserInput();
optionItem = interFace.CheckAndReturn(userInput);
} while (optionItem == -1);
switch (optionItem)
{
case 1:
Console.Clear();
Classes.GetInformationOfGroup();
break;
case 2:
Console.Clear();
isStudentExist = interFace.CheckStudentExist(Classes.Students.Count);
if (isStudentExist != 0)
{
Classes.FuntionCheckInformation();
break;
}
else
{
break;
}
case 3:
Console.Clear();
isStudentExist = interFace.CheckStudentExist(Classes.Students.Count);
if (isStudentExist == 0)
{
break;
}
else
{
Classes.FindByID();
}
break;
case 4:
Console.Clear();
isStudentExist = interFace.CheckStudentExist(Classes.Students.Count);
if (isStudentExist == 0)
{
break;
}
else
{
Classes.FindStudentsHaveHighestAverageGrade();
}
break;
case 5:
Console.Clear();
isStudentExist = interFace.CheckStudentExist(Classes.Students.Count);
if (isStudentExist == 0)
{
break;
}
else
{
Classes.FindFailGrade();
}
break;
case 6:
Console.Clear();
Classes.GetInformationASingleStudent();
break;
case 7:
Console.Clear();
isStudentExist = interFace.CheckStudentExist(Classes.Students.Count);
if (isStudentExist == 0)
{
break;
}
else
{
Classes.CalculateAverages();
}
break;
case 8:
Console.Clear();
isStudentExist = interFace.CheckStudentExist(Classes.Students.Count);
if (isStudentExist == 0)
{
break;
}
else
{
Classes.DeleteStudentById();
}
break;
case 0: Console.Clear(); Console.Write("DONE"); break;
default: Console.Clear(); Console.WriteLine("ERROR"); break;
}
askToContinue = interFace.CheckToContinue(optionItem);
} while (optionItem != 0 && askToContinue == 'y');
}