public void DeleteOfTrainersAsUsers(DataClasses1DataContext db, int userID, int courseID, int trainerID)
{
TRAINER_PER_COURSE tRainerPerCourse = new TRAINER_PER_COURSE();
TrainerPerCourse trainerPerCourse = new TrainerPerCourse();
TRAINER tRainer = new TRAINER();
Trainer trainer = new Trainer();
USERR user = new USERR();
if (trainerID < 1)
{
DeleteUser(user, userID, db);
}
else if (trainerID > 0 && courseID < 1)
{
trainer.DeleteTrainer(db, tRainer, trainerID);
DeleteUser(user, userID, db);
}
else if (trainerID > 0 && courseID > 0)
{
trainerPerCourse.DeleteTrainersGeneral(trainerID, tRainerPerCourse, db);
trainer.DeleteTrainer(db, tRainer, trainerID);
DeleteUser(user, userID, db);
}
Console.WriteLine("\n\tDeleted Succesfully!!!");
}
public void DeleteOfStudentsAsUsers(DataClasses1DataContext db, int studentID, int userID, int courseID, int assignmentIDThisUser)
{
ASSIGNMENT_PER_STUDENT assignmnetPerStudent = new ASSIGNMENT_PER_STUDENT();
STUDENT_PER_COURSE sTudentPerCourse = new STUDENT_PER_COURSE();
StudentPerAssignment studentPerAssignment = new StudentPerAssignment();
StudentPerCourse studentPerCourse = new StudentPerCourse();
STUDENT sTudent = new STUDENT();
Student student = new Student();
USERR user = new USERR();
if (studentID < 1)
{
DeleteUser(user, userID, db);
}
else if (studentID > 0 && courseID < 1 && assignmentIDThisUser < 1)
{
student.DeleteStudent(db, sTudent, studentID);
DeleteUser(user, userID, db);
}
else if (studentID > 0 && courseID > 0 && assignmentIDThisUser < 1)
{
studentPerCourse.DeleteCourses(studentID, sTudentPerCourse, db);
student.DeleteStudent(db, sTudent, studentID);
DeleteUser(user, userID, db);
}
else if (studentID > 0 && courseID > 0 && assignmentIDThisUser > 0)
{
studentPerAssignment.DeleteAssignemnts(studentID, assignmnetPerStudent, db);
studentPerCourse.DeleteCourses(studentID, sTudentPerCourse, db);
student.DeleteStudent(db, sTudent, studentID);
DeleteUser(user, userID, db);
}
Console.WriteLine("\n\tDeleted Succesfully!!!");
}
public void DeleteUser(USERR user, int userID, DataClasses1DataContext db)
{
user = db.USERRs.Single(i => i.USERR_ID == userID);
db.USERRs.DeleteOnSubmit(user);
db.SubmitChanges();
}
public int CreateUser(DataClasses1DataContext db)
{
Check_ID check_ID = new Check_ID();
USERR uSer = new USERR();
string password;
Console.WriteLine("\n\tWe must first create a new User!\n\t" +
"--------------------------------");
Console.Write("\tEnter Username: "******"\n\tUsername shouldn't be empty!!!");
Console.Write("\n\t" + "Give a new Username: "******"\tEnter Password: "******"\n\tPassword shouldn't be empty!!!");
Console.Write("\n\t" + "Give a new Password: "******"\tEncrypted Password: {" + $"{hashedpass}" + "}");
Console.Write("\tEnter User Role between {STUDENT - TRAINER - HEADMASTER}: ");
string role = Console.ReadLine().ToUpper();
while (!role.All(char.IsLetter) || string.IsNullOrEmpty(role))
{
Console.Write("\n\tUser role should be Only Letter!!!");
Console.Write("\n\t" + "Give a new User role: ");
role = Console.ReadLine().ToUpper();
}
uSer.ROLEE = check_ID.CheckRole(role);
Console.Write("\tEnter User ID (Only Integer!): ");
string userId = Console.ReadLine();
int userIDOut;
while (!int.TryParse(userId, out userIDOut) || userIDOut <= 0)
{
Console.Write("\n\tUser ID should be Only Integer and not Zero!!!");
Console.Write("\n\t" + "Give a new User ID: ");
userId = Console.ReadLine();
}
int userIDAfterCheck = check_ID.positiveInteger(userIDOut);
uSer.USERR_ID = check_ID.UniqueUserID(userIDAfterCheck, db);
db.USERRs.InsertOnSubmit(uSer);
db.SubmitChanges();
ReadUser(uSer.USERR_ID, db);
return(uSer.USERR_ID);
}
public void Selection(DataClasses1DataContext db)
{
STUDENT student = new STUDENT();
TRAINER trainer = new TRAINER();
USERR uSer = new USERR();
string selection;
string newSelection;
int choiceCategory;
bool iWantTocontinue = true;
while (iWantTocontinue)
{
Console.WriteLine("\t" + " SELECTION MENU" + "\n\t" + " ------------------");
Console.WriteLine("\t" + "For Course Press {1}");
Console.WriteLine("\t" + "For Student Press {2}");
Console.WriteLine("\t" + "For Assignment Press {3}");
Console.WriteLine("\t" + "For Trainer Press {4}");
Console.WriteLine("\t" + "For User Press (Only Delete) {5}");
Console.WriteLine("\t" + "For Student Per Course Press {6}");
Console.WriteLine("\t" + "For Trainer Per Course Press {7}");
Console.WriteLine("\t" + "For Assignment Per Course Press {8}");
Console.WriteLine("\t" + "For Schedule Per Course Press {9}");
Console.Write("\n\t" + "Give a choise between {1 - 8}: ");
selection = Console.ReadLine();
int choice;
while (!int.TryParse(selection, out choice) || string.IsNullOrEmpty(selection) || choice < 1 || choice > 9)
{
Console.Write("\n\t" + "Give choice again Only Integer between {1 - 9}!!!: ");
selection = Console.ReadLine();
}
choiceCategory = choice;
switch (choiceCategory)
{
case (int)SelectionCategory.course:
Course course = new Course();
course.MenuCourse(db);
break;
case (int)SelectionCategory.student:
Student sTudent = new Student();
Check_ID check_ID = new Check_ID();
sTudent.MenuStudent(db, student, sTudent, check_ID);
break;
case (int)SelectionCategory.assignment:
Assignment assignment = new Assignment();
assignment.MenuAssignment(db);
break;
case (int)SelectionCategory.trainer:
Trainer tRainer = new Trainer();
tRainer.MenuTrainer(db, trainer);
break;
case (int)SelectionCategory.user:
User user = new User();
user.MenuUser(db);
break;
case (int)SelectionCategory.student_per_course:
StudentPerCourse studentPerCourse = new StudentPerCourse();
studentPerCourse.MenuStudentPerCourse(db);
break;
case (int)SelectionCategory.trainer_per_course:
TrainerPerCourse trainerPerCourse = new TrainerPerCourse();
trainerPerCourse.MenuTrainerPerCourse(db);
break;
case (int)SelectionCategory.assgnment_per_course:
AssignmentPerCourse assignmentPerCourse = new AssignmentPerCourse();
assignmentPerCourse.MenuAssignmentPerCourse(db);
break;
case (int)SelectionCategory.schedule_per_course:
SchedulePerCourse schedulePerCourse = new SchedulePerCourse();
schedulePerCourse.MenuSchedulePerCourse(db);
break;
}
Console.WriteLine("\n\t" + "Do you want a new selection?");
Console.WriteLine("\t" + "If yes press --> {Y} or {y}");
Console.WriteLine("\t" + "If no press --> {N} or {n}");
Console.Write("\n\t" + "Give a new selection: ");
newSelection = Console.ReadLine();
while (newSelection != "Y" && newSelection != "y" && newSelection != "N" && newSelection != "n")
{
Console.WriteLine("\n\t" + " Wrong Choise" + "\n\t" + " ---------------");
Console.WriteLine("\t" + "If yes press --> {Y} or {y}");
Console.WriteLine("\t" + "If no press --> {N} or {n}");
Console.Write("\n\t" + "Give again a new selection: ");
newSelection = Console.ReadLine();
}
if (newSelection == "Y" || newSelection == "y")
{
iWantTocontinue = true;
}
else if (newSelection == "N" || newSelection == "n")
{
iWantTocontinue = false;
}
Console.WriteLine();
}
}
