public void ReadTrainerCourses(int trainerID)
{
ICollection <Trainer> trainers = DBTrainersPerCourse.ReadTrainersWithCourses();
if (trainers.Count() == 0)
{
ConsoleUI.ShowLine("No trainers yet");
}
else
{
ConsoleUI.ShowLine("List of my courses:\n");
Trainer me = trainers.Where(t => t.Id == trainerID).First();
if (me.Courses.Count() == 0)
{
ConsoleUI.ShowLine("I am not enrolled in any course");
}
else
{
foreach (Course c in me.Courses)
{
ConsoleUI.ShowMessage("->");
ConsoleUI.ShowLine(c);
}
}
ConsoleUI.ChangeLine();
}
ConsoleUI.ReadKey();
ConsoleUI.Clear();
}
public void Read()
{
ICollection <Course> courses = DBTrainersPerCourse.ReadCoursesWithTrainers();
if (courses.Count() == 0)
{
ConsoleUI.ShowLine("No courses yet");
}
else
{
ConsoleUI.ShowLine("List of courses with trainers\n");
foreach (Course c in courses)
{
ConsoleUI.ShowLine(c);
ICollection <Trainer> CourseTrainers = c.Trainers.ToList();
if (CourseTrainers.Count() == 0)
{
ConsoleUI.ShowLine("->this course has not trainers\n");
}
else
{
foreach (Trainer t in CourseTrainers)
{
ConsoleUI.ShowMessage("->");
ConsoleUI.ShowLine(t);
}
ConsoleUI.ChangeLine();
}
}
}
ConsoleUI.ReadKey();
ConsoleUI.Clear();
}
public void Delete()
{
bool exit;
ICollection <Course> courses = DBTrainersPerCourse.ReadCoursesWithTrainers();
ICollection <Trainer> trainers = DBTrainersPerCourse.ReadTrainersWithCourses();
if (courses.Count() == 0)
{
ConsoleUI.ShowLine("No courses yet");
}
else
{
ConsoleUI.ShowLine("List of courses with trainers\n");
foreach (Course c in courses)
{
ConsoleUI.ShowLine(c);
ICollection <Trainer> CourseTrainers = c.Trainers.ToList();
if (CourseTrainers.Count() == 0)
{
ConsoleUI.ShowLine("->this course has not trainers\n");
}
else
{
foreach (Trainer t in CourseTrainers)
{
ConsoleUI.ShowMessage("->");
ConsoleUI.ShowLine(t);
}
ConsoleUI.ChangeLine();
}
}
}
ConsoleUI.ChangeLine();
ConsoleUI.ShowLine("press 0 anytime to exit");
exit = ConsoleUI.GetInt(out int selectedTrainer, "give trainer id to disconnect: ");
if (exit)
{
return;
}
Trainer trainer;
try
{
trainer = trainers.Where(t => t.Id == selectedTrainer).First();
}
catch (Exception)
{
ConsoleUI.ShowLine($"NO TRAINER FOUND FOR ID {selectedTrainer}");
ConsoleUI.ReadKey();
return;
}
exit = ConsoleUI.GetInt(out int selectedCourse, "give course id to disconnect: ");
if (exit)
{
return;
}
Course course;
try
{
course = courses.Where(c => c.Id == selectedCourse).First();
}
catch (Exception)
{
ConsoleUI.ShowLine($"NO COURSE FOUND FOR ID {selectedCourse}");
ConsoleUI.ReadKey();
return;
}
bool courseHasNoTrainer = course.Trainers.Where(t => t.Id == selectedTrainer).Count() == 0;
if (courseHasNoTrainer)
{
ConsoleUI.ShowLine("this course doesn't connect to this trainer");
//ConsoleUI.ReadKey();
//return;
}
bool trainerHasNoCourse = trainer.Courses.Where(c => c.Id == selectedCourse).Count() == 0;
if (trainerHasNoCourse)
{
ConsoleUI.ShowLine("this trainer doesn't connect to this course");
ConsoleUI.ReadKey();
return;
}
int result = DBTrainersPerCourse.DeleteTrainerPerCourse(selectedTrainer, selectedCourse);
if (result == 0)
{
ConsoleUI.ShowLine("connection could NOT be removed");
}
else
{
ConsoleUI.ShowLine("connection removed");
}
ConsoleUI.ReadKey();
}
public void Create()
{
bool exit;
ConsoleUI.ShowLine("Trainers");
ICollection <Trainer> trainers = DBTrainersPerCourse.ReadTrainersWithCourses();
if (trainers.Count() == 0)
{
ConsoleUI.ShowLine("no trainers yet");
}
else
{
foreach (Trainer t in trainers)
{
ConsoleUI.ShowLine(t);
}
}
ConsoleUI.ChangeLine();
ConsoleUI.ShowLine("Courses");
ICollection <Course> courses = DBTrainersPerCourse.ReadCoursesWithTrainers();
if (courses.Count() == 0)
{
ConsoleUI.ShowLine("no courses yet");
}
else
{
foreach (Course c in courses)
{
ConsoleUI.ShowLine(c);
}
}
ConsoleUI.ChangeLine();
ConsoleUI.ShowLine("press 0 anytime to exit");
exit = ConsoleUI.GetInt(out int selectedTrainer, "give trainer id to connect: ");
if (exit)
{
return;
}
Trainer trainer;
try
{
trainer = trainers.Where(t => t.Id == selectedTrainer).First();
}
catch (Exception)
{
ConsoleUI.ShowLine($"NO TRAINER FOUND FOR ID {selectedTrainer}");
ConsoleUI.ReadKey();
return;
}
exit = ConsoleUI.GetInt(out int selectedCourse, "give course id to connect: ");
if (exit)
{
return;
}
Course course;
try
{
course = courses.Where(c => c.Id == selectedCourse).First();
}
catch (Exception)
{
ConsoleUI.ShowLine($"NO COURSE FOUND FOR ID {selectedCourse}");
ConsoleUI.ReadKey();
return;
}
bool courseHasTrainer = course.Trainers.Where(t => t.Id == selectedTrainer).Count() > 0;
if (courseHasTrainer)
{
ConsoleUI.ShowLine("this course already connects to this trainer");
//ConsoleUI.ReadKey();
//return;
}
bool trainerHasCourse = trainer.Courses.Where(c => c.Id == selectedCourse).Count() > 0;
if (trainerHasCourse)
{
ConsoleUI.ShowLine("this trainer already connects to this course");
ConsoleUI.ReadKey();
return;
}
int result = DBTrainersPerCourse.CreateTrainerPerCourse(selectedTrainer, selectedCourse);
if (result == 0)
{
ConsoleUI.ShowLine("connection could NOT be made");
}
else
{
ConsoleUI.ShowLine("connection saved");
}
ConsoleUI.ReadKey();
}
public static void AutoGenerate()
{
ConsoleUI.ShowLine("Creating headmaster with username: '******' and password: '******'");
string encryptedPassword = CryptoManager.EncryptPassword("12345", out string encryptedSalt);
try
{
int headMasterSaved = DBUser.CreateUser("hm", encryptedPassword, encryptedSalt, "headmaster", out int id);
if (headMasterSaved == 0)
{
throw new Exception("head master NOT saved");
}
}
catch (Exception e)
{
ConsoleUI.ShowLine(e.Message);
ConsoleUI.ReadKey();
return;
}
ConsoleUI.ShowLine("head master created");
ConsoleUI.ShowLine("creating students");
List <int> studentIDs = new List <int>();
List <int> trainerIDs = new List <int>();
List <int> assignmentIDs = new List <int>();
List <int> courseIDs = new List <int>();
int studentID;
string studentUsername;
string plainTextPassword;
string studentFName;
string studentLName;
// 3 students
for (int i = 0; i < 3; i++)
{
studentUsername = "******" + i;
plainTextPassword = "******" + i;
encryptedPassword = CryptoManager.EncryptPassword(plainTextPassword, out encryptedSalt);
DBUser.CreateUser(studentUsername, encryptedPassword, encryptedSalt, "student", out studentID);
ConsoleUI.ShowLine($"student user created u:{studentUsername} p:{plainTextPassword}");
studentFName = "studentFirstName" + i;
studentLName = "studentLastName" + i;
DBStudent.CreateStudent(studentFName, studentLName, new DateTime(2000, 1, 1), 20000, studentID);
ConsoleUI.ShowLine($"student {studentFName} {studentLName} created");
studentIDs.Add(studentID);
ConsoleUI.ChangeLine();
}
int trainerID;
string trainerUsername;
string trainerFName;
string trainerLName;
string trainerSubject;
// 2 trainers
for (int i = 0; i < 2; i++)
{
trainerUsername = "******" + i;
plainTextPassword = "******" + i;
encryptedPassword = CryptoManager.EncryptPassword(plainTextPassword, out encryptedSalt);
DBUser.CreateUser(trainerUsername, encryptedPassword, encryptedSalt, "trainer", out trainerID);
ConsoleUI.ShowLine($"trainer user created u:{trainerUsername} p:{plainTextPassword}");
trainerFName = "trainerFirstName" + i;
trainerLName = "trainerLastName" + i;
trainerSubject = "trainerSubject" + i;
DBTrainer.CreateTrainer(trainerFName, trainerLName, trainerSubject, trainerID);
ConsoleUI.ShowLine($"trainer {trainerFName} {trainerLName} created");
trainerIDs.Add(trainerID);
ConsoleUI.ChangeLine();
}
string title;
string description;
// 2 assignments
for (int i = 0; i < 2; i++)
{
title = "assignmentTitle" + i;
description = "assignmentDescription" + i;
DBAssignment.CreateAssignment(title, description, new DateTime(2019, 1, 1), 100, 100, out int assignmentID);
assignmentIDs.Add(assignmentID);
ConsoleUI.ShowLine($"assignment {title} with id: {assignmentID} created");
ConsoleUI.ChangeLine();
}
// 3 courses
for (int i = 0; i < 3; i++)
{
title = "courseTitle" + i;
DBCourse.CreateCourse(title, "C#", "Full time", new DateTime(2019, 1, 1), new DateTime(2019, 2, 2), out int courseID);
courseIDs.Add(courseID);
ConsoleUI.ShowLine($"course {title} with id: {courseID} created");
ConsoleUI.ChangeLine();
}
AssignmentPerStudentManager a = new AssignmentPerStudentManager();
//assignments-courses
//all assignments to course 1
#region
DBAssignmentsPerCourse.CreateAssignmentPerCourse(assignmentIDs[0], courseIDs[0]);
a.CreateFromNewAssignment(assignmentIDs[0], courseIDs[0]);
DBAssignmentsPerCourse.CreateAssignmentPerCourse(assignmentIDs[1], courseIDs[0]);
a.CreateFromNewAssignment(assignmentIDs[1], courseIDs[0]);
#endregion
//first 3 assignments to course 1
#region
DBAssignmentsPerCourse.CreateAssignmentPerCourse(assignmentIDs[0], courseIDs[1]);
a.CreateFromNewAssignment(assignmentIDs[0], courseIDs[1]);
DBAssignmentsPerCourse.CreateAssignmentPerCourse(assignmentIDs[1], courseIDs[1]);
a.CreateFromNewAssignment(assignmentIDs[1], courseIDs[1]);
#endregion
//student courses
//all students to course 1
#region
DBStudentsPerCourse.CreateStudentPerCourse(studentIDs[0], courseIDs[0]);
a.CreateFromNewStudent(studentIDs[0], courseIDs[0]);
DBStudentsPerCourse.CreateStudentPerCourse(studentIDs[1], courseIDs[0]);
a.CreateFromNewStudent(studentIDs[1], courseIDs[0]);
DBStudentsPerCourse.CreateStudentPerCourse(studentIDs[2], courseIDs[0]);
a.CreateFromNewStudent(studentIDs[2], courseIDs[0]);
#endregion
// 2 students to course 2
#region
DBStudentsPerCourse.CreateStudentPerCourse(studentIDs[0], courseIDs[1]);
a.CreateFromNewStudent(studentIDs[0], courseIDs[1]);
DBStudentsPerCourse.CreateStudentPerCourse(studentIDs[1], courseIDs[1]);
a.CreateFromNewStudent(studentIDs[1], courseIDs[1]);
#endregion
// 2 courses to student 1
#region
DBStudentsPerCourse.CreateStudentPerCourse(studentIDs[0], courseIDs[2]);
a.CreateFromNewStudent(studentIDs[0], courseIDs[2]);
#endregion
//trainer courses
//all trainers to course 1
#region
DBTrainersPerCourse.CreateTrainerPerCourse(trainerIDs[0], courseIDs[0]);
DBTrainersPerCourse.CreateTrainerPerCourse(trainerIDs[1], courseIDs[0]);
#endregion
// 2 trainers to course 2
#region
DBTrainersPerCourse.CreateTrainerPerCourse(trainerIDs[0], courseIDs[1]);
DBTrainersPerCourse.CreateTrainerPerCourse(trainerIDs[1], courseIDs[1]);
#endregion
//2 courses to trainer 1
#region
DBTrainersPerCourse.CreateTrainerPerCourse(trainerIDs[0], courseIDs[2]);
#endregion
ConsoleUI.ShowLine("done");
}
