public void AddTrainers(IndividualProjectDBModel iPModel, int trainerListCount)
{
try
{
Console.WriteLine("Type number of trainers to add");
string isInt = Console.ReadLine();
int trainerNumber;
while (!int.TryParse(isInt, out trainerNumber) || trainerNumber <= 0)
{
Console.WriteLine("Invalid input, please retry");
isInt = Console.ReadLine();
}
Console.WriteLine("Type trainer's properties in the following order:\n" +
"First Name --- Last Name --- Subject");
for (int i = 0; i < trainerNumber; i++)
{
Trainer trainer = new Trainer();
string firstN = Console.ReadLine();
while (!Regex.IsMatch(firstN, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for First Name");
firstN = Console.ReadLine();
}
trainer.firstName = firstN;
string lastN = Console.ReadLine();
while (!Regex.IsMatch(lastN, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for Last Name");
lastN = Console.ReadLine();
}
trainer.lastName = lastN;
string sbj = Console.ReadLine();
while (!Regex.IsMatch(sbj, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for Subject");
sbj = Console.ReadLine();
}
trainer.subject = sbj;
iPModel.Trainers.Add(trainer);
iPModel.SaveChanges();
if (i < trainerNumber - 1)
{
Console.WriteLine("Type properties of new trainer");
}
}
List <Trainer> trainerList = iPModel.Trainers.ToList();
var addedTrainersList = trainerList.Skip(trainerListCount).ToList();
Console.WriteLine("List of added trainers:");
foreach (var trn in addedTrainersList)
{
Console.WriteLine($"{trn.firstName} --- {trn.lastName} --- {trn.subject}");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public void AddTrainersPerCourse(IndividualProjectDBModel iPModel)
{
try
{
var trainerList = iPModel.Trainers.ToList();
var courseList = iPModel.Courses.ToList();
Console.WriteLine("Type number(#) of course");
string isCrsInt = Console.ReadLine();
int crsCounter;
while (!int.TryParse(isCrsInt, out crsCounter) || crsCounter <= 0 || crsCounter > courseList.Count)
{
Console.WriteLine("That's not a valid course, please retry");
isCrsInt = Console.ReadLine();
}
Console.WriteLine($"How many trainers do you want to add to course #{crsCounter}?");
string isTrnInt = Console.ReadLine();
int trainerNumber;
while (!int.TryParse(isTrnInt, out trainerNumber) || trainerNumber <= 0 || trainerNumber > trainerList.Count)
{
Console.WriteLine("Invalid input, please retry");
isTrnInt = Console.ReadLine();
}
Console.WriteLine("Type number(#) of trainer to add");
var cid = 0;
for (int i = 0; i < trainerNumber; i++)
{
string isInt = Console.ReadLine();
int trnCounter;
while (!int.TryParse(isInt, out trnCounter) || trnCounter <= 0 || trnCounter > trainerList.Count)
{
Console.WriteLine("That's not a valid trainer, please retry");
isInt = Console.ReadLine();
}
var tid = 0;
for (int j = 0; j < trainerList.Count; j++)
{
if (j == trnCounter - 1)
{
tid = trainerList[j].trainerId;
break;
}
}
for (int k = 0; k < courseList.Count; k++)
{
if (k == crsCounter - 1)
{
cid = courseList[k].courseId;
break;
}
}
var addTrainerInCourse = iPModel.Trainers
.Include(t => t.Courses).FirstOrDefault(t => t.trainerId == tid);
var courseToAddTrainer = iPModel.Courses.Find(cid);
addTrainerInCourse?.Courses.Add(courseToAddTrainer);
int rowsAffected = iPModel.SaveChanges();
if (rowsAffected == 0)
{
Console.WriteLine($"Data couldn't be inserted because trainer #{trnCounter} already has course #{crsCounter}");
}
if (i < trainerNumber - 1)
{
Console.WriteLine("Type number(#) of new trainer to add");
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public void AddCourses(IndividualProjectDBModel iPModel, int courseListCount)
{
try
{
Console.WriteLine("Type number of courses to add");
string isInt = Console.ReadLine();
int courseNumber;
while (!int.TryParse(isInt, out courseNumber) || courseNumber <= 0)
{
Console.WriteLine("Invalid input, please retry");
isInt = Console.ReadLine();
}
Console.WriteLine("Type course's properties in the following order:\n" +
"Title --- Stream --- Type --- Start_Date (DD/MM/YYYY) --- End_Date (DD/MM/YYYY)");
for (int i = 0; i < courseNumber; i++)
{
Course course = new Course();
string tl = Console.ReadLine();
while (!Regex.IsMatch(tl, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for Title");
tl = Console.ReadLine();
}
course.title = tl;
string stm = Console.ReadLine();
while (!Regex.IsMatch(stm, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for Stream");
stm = Console.ReadLine();
}
course.stream = stm;
string tp = Console.ReadLine();
while (!Regex.IsMatch(tp, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for Type");
tp = Console.ReadLine();
}
course.type = tp;
string isStartDate = Console.ReadLine();
DateTime startDate;
while (!DateTime.TryParseExact(isStartDate, "dd/MM/yyyy", null, System.Globalization.DateTimeStyles.None, out startDate))
{
Console.WriteLine("Invalid input, please enter a valid Date(e.g., 05/06/2020)");
isStartDate = Console.ReadLine();
}
course.start_date = startDate;
string isEndDate = Console.ReadLine();
DateTime endDate;
while (!DateTime.TryParseExact(isEndDate, "dd/MM/yyyy", null, System.Globalization.DateTimeStyles.None, out endDate))
{
Console.WriteLine("Invalid input, please enter a valid Date(e.g., 05/06/2020)");
isEndDate = Console.ReadLine();
}
course.end_date = endDate;
iPModel.Courses.Add(course);
iPModel.SaveChanges();
if (i < courseNumber - 1)
{
Console.WriteLine("Type properties of new course");
}
}
List <Course> courseList = iPModel.Courses.ToList();
var addedCoursesList = courseList.Skip(courseListCount).ToList();
Console.WriteLine("List of added courses:");
foreach (var crs in addedCoursesList)
{
Console.WriteLine($"{crs.title} --- {crs.stream} --- {crs.type} --- {crs.start_date:dd / MM / yyyy} --- {crs.end_date:dd / MM / yyyy}");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public void AddStudents(IndividualProjectDBModel iPModel, int studentListCount)
{
try
{
Console.WriteLine("Type number of students to add");
string isInt = Console.ReadLine();
int studentNumber;
while (!int.TryParse(isInt, out studentNumber) || studentNumber <= 0)
{
Console.WriteLine("Invalid input, please retry");
isInt = Console.ReadLine();
}
Console.WriteLine("Type student's properties in the following order:\n" +
"First Name --- Last Name --- Date Of Birth (DD/MM/YYYY) --- Tuition Fees (Decimal)");
for (int i = 0; i < studentNumber; i++)
{
Student student = new Student();
string firstN = Console.ReadLine();
while (!Regex.IsMatch(firstN, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for First Name");
firstN = Console.ReadLine();
}
student.firstName = firstN;
string lastN = Console.ReadLine();
while (!Regex.IsMatch(lastN, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$"))
{
Console.WriteLine("Invalid input, please enter valid characters for Last Name");
lastN = Console.ReadLine();
}
student.lastName = lastN;
string isDateOfBirth = Console.ReadLine();
DateTime dtOfBirth;
while (!DateTime.TryParseExact(isDateOfBirth, "dd/MM/yyyy", null,
System.Globalization.DateTimeStyles.None, out dtOfBirth))
{
Console.WriteLine("Invalid input, please enter a valid Date(e.g., 05/06/2020)");
isDateOfBirth = Console.ReadLine();
}
student.dateOfBirth = dtOfBirth;
string isTuitionFees = Console.ReadLine();
decimal tuitionF;
while (!decimal.TryParse(isTuitionFees, out tuitionF) || tuitionF <= 0)
{
Console.WriteLine("Invalid input, please retry");
isTuitionFees = Console.ReadLine();
}
student.tuitionFees = tuitionF;
iPModel.Students.Add(student);
iPModel.SaveChanges();
if (i < studentNumber - 1)
{
Console.WriteLine("Type properties of new student");
}
}
List <Student> studentList = iPModel.Students.ToList();
var addedStudentsList = studentList.Skip(studentListCount).ToList();
Console.WriteLine("List of added students:");
foreach (var std in addedStudentsList)
{
Console.WriteLine(
$"{std.firstName} --- {std.lastName} --- {std.dateOfBirth:dd / MM / yyyy} --- {std.tuitionFees}");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public void AddStudentsPerCourse(IndividualProjectDBModel iPModel)
{
try
{
var studentList = iPModel.Students.ToList();
var courseList = iPModel.Courses.ToList();
Console.WriteLine("Type number(#) of course");
string isCrsInt = Console.ReadLine();
int crsCounter;
while (!int.TryParse(isCrsInt, out crsCounter) || crsCounter <= 0 || crsCounter > courseList.Count)
{
Console.WriteLine("That's not a valid course, please retry");
isCrsInt = Console.ReadLine();
}
Console.WriteLine($"How many students do you want to add to course #{crsCounter}?");
string isStdInt = Console.ReadLine();
int studentNumber;
while (!int.TryParse(isStdInt, out studentNumber) || studentNumber <= 0 ||
studentNumber > studentList.Count)
{
Console.WriteLine("Invalid input, please retry");
isStdInt = Console.ReadLine();
}
Console.WriteLine("Type number(#) of student to add");
var cid = 0;
for (int i = 0; i < studentNumber; i++)
{
string isInt = Console.ReadLine();
int stdCounter;
while (!int.TryParse(isInt, out stdCounter) || stdCounter <= 0 || stdCounter > studentList.Count)
{
Console.WriteLine("That's not a valid student, please retry");
isInt = Console.ReadLine();
}
var sid = 0;
for (int j = 0; j < studentList.Count; j++)
{
if (j == stdCounter - 1)
{
sid = studentList[j].studentId;
break;
}
}
for (int k = 0; k < courseList.Count; k++)
{
if (k == crsCounter - 1)
{
cid = courseList[k].courseId;
break;
}
}
var addStudentInCourse = iPModel.Students
.Include(s => s.Courses).FirstOrDefault(s => s.studentId == sid);
var courseToAddStudent = iPModel.Courses.Find(cid);
addStudentInCourse?.Courses.Add(courseToAddStudent);
int rowsAffected = iPModel.SaveChanges();
if (rowsAffected == 0)
{
Console.WriteLine(
$"Data couldn't be inserted because student #{stdCounter} already has course #{crsCounter}");
}
if (i < studentNumber - 1)
{
Console.WriteLine("Type number(#) of new student to add");
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public void AddAssignments(IndividualProjectDBModel iPModel, int assignmentListCount)
{
try
{
Console.WriteLine("Type number of assignments to add");
string isInt = Console.ReadLine();
int assignmentNumber;
while (!int.TryParse(isInt, out assignmentNumber) || assignmentNumber <= 0)
{
Console.WriteLine("Invalid input, please retry");
isInt = Console.ReadLine();
}
Console.WriteLine("Type assignment's properties in the following order:\n" +
"Title --- Description --- SubDateTime (DD/MM/YYYY) --- OralMark (Decimal) --- TotalMark (Decimal)");
for (int i = 0; i < assignmentNumber; i++)
{
Assignment assignment = new Assignment();
string tl = Console.ReadLine();
while (!Regex.IsMatch(tl, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for Title");
tl = Console.ReadLine();
}
assignment.title = tl;
string dcr = Console.ReadLine();
while (!Regex.IsMatch(dcr, "^[A-Za-z ][A-Za-z0-9!@#$%^&* ]*$", RegexOptions.IgnoreCase))
{
Console.WriteLine("Invalid input, please enter valid characters for Description");
dcr = Console.ReadLine();
}
assignment.description = dcr;
string isSubDateTime = Console.ReadLine();
DateTime subDtTime;
while (!DateTime.TryParseExact(isSubDateTime, "dd/MM/yyyy", null, System.Globalization.DateTimeStyles.None, out subDtTime))
{
Console.WriteLine("Invalid input, please enter a valid Date(e.g., 05/06/2020)");
isSubDateTime = Console.ReadLine();
}
assignment.subDateTime = subDtTime;
string isOralMark = Console.ReadLine();
decimal oralMrk;
while (!decimal.TryParse(isOralMark, out oralMrk) || oralMrk <= 0)
{
Console.WriteLine("Invalid input, please retry");
isOralMark = Console.ReadLine();
}
assignment.oralMark = oralMrk;
string isTotalMark = Console.ReadLine();
decimal totalMrk;
while (!decimal.TryParse(isTotalMark, out totalMrk) || totalMrk <= 0)
{
Console.WriteLine("Invalid input, please retry");
isTotalMark = Console.ReadLine();
}
assignment.totalMark = totalMrk;
iPModel.Assignments.Add(assignment);
iPModel.SaveChanges();
if (i < assignmentNumber - 1)
{
Console.WriteLine("Type properties of new assignment");
}
}
List <Assignment> assignmentList = iPModel.Assignments.ToList();
var addedAssignmentsList = assignmentList.Skip(assignmentListCount).ToList();
Console.WriteLine("List of added assignments:");
foreach (var asn in addedAssignmentsList)
{
Console.WriteLine($"{asn.title} --- {asn.description} --- {asn.subDateTime:dd / MM / yyyy} --- {asn.oralMark} --- {asn.totalMark}");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}