/// <summary>
/// Adds a teacher to the database
/// </summary>
/// <param name="teacher">The teacher-object to be added</param>
/// <exception cref="DuplicateUserException"></exception>
public void AddTeacher(Teacher teacher)
{
List<Teacher> existing = (from t in entities.Teachers
where t.UserName == teacher.UserName
select t).ToList();
if (existing.Count > 0) {
teacher.UserName += existing.Count + 1;
}
//if (!UserExists(teacher.UserName))
//{
entities.AddToTeachers(teacher);
entities.SaveChanges();
//}
//else {
// throw new DuplicateUserException("User \"" + teacher.UserName + "\" already exists!");
//}
}
public static MemoryStream GeneratePDF(Teacher teacher, SchoolClass schoolClass, string schoolYear)
{
Document document = new Document();
MemoryStream stream = new MemoryStream();
PdfWriter writer = PdfWriter.GetInstance(document, stream);
writer.CloseStream = false;
document.Open();
document.AddCreationDate();
document.AddAuthor("VaKEGrade");
document.AddTitle("Certificate");
foreach (Pupil pupil in teacher.PrimaryClasses.First().Pupils.OrderBy(x => x.LastName).ToList())
{
CertificateGenerator.GenerateCertificate(pupil, schoolClass, schoolYear, ref document);
}
document.Close();
stream.Seek(0, SeekOrigin.Begin);
return stream;
}
public bool IsUserClassTeacher(Teacher teacher)
{
return teacher.PrimaryClasses.Count > 0 || teacher.SecondaryClasses.Count > 0;
}
//public SchoolClass GetClassOfClassTeacher(Teacher teacher) {
//}
public IEnumerable<SchoolClass> GetClassesOfTeacher(Teacher teacher)
{
return (from tsa in teacher.TeacherSubjectAssignments
select tsa.SchoolClass).Distinct();
}
public void AssignSubject(Teacher teacher, Subject subject, SchoolClass schoolClass)
{
entities.AddToTeacherSubjectAssignments(new TeacherSubjectAssignment() { Teacher = teacher, Subject = subject, SchoolClass = schoolClass});
entities.SaveChanges();
}
public void AssignSchoolClass(Teacher teacher, SchoolClass schoolClass)
{
if (teacher.PrimaryClasses.Count > 0)
throw new AlreadyAssignedException(teacher.PrimaryClasses.First(), teacher);
teacher.PrimaryClasses.Add(schoolClass);
entities.SaveChanges();
}
public void GenerateTeachers()
{
Random random;
Teacher teacher;
for (int i = 0; i < 20; i++)
{
random = new Random();
teacher = new Teacher();
if (random.Next(0, 2) == 0)
{
teacher.FirstName = mFirstNames[random.Next(0, mFirstNames.Length)];
}
else
{
teacher.FirstName = wFirstNames[random.Next(0, wFirstNames.Length)];
}
teacher.LastName = lastNames[random.Next(0, lastNames.Length)];
teacher.UserName = teacher.FirstName[0] + teacher.LastName;
teacher.Password = "******";
repository.AddTeacher(teacher);
}
}
/// <summary>
/// Deprecated Method for adding a new object to the Teachers EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToTeachers(Teacher teacher)
{
base.AddObject("Teachers", teacher);
}
/// <summary>
/// Create a new Teacher object.
/// </summary>
/// <param name="id">Initial value of the ID property.</param>
/// <param name="firstName">Initial value of the FirstName property.</param>
/// <param name="lastName">Initial value of the LastName property.</param>
/// <param name="userName">Initial value of the UserName property.</param>
/// <param name="password">Initial value of the Password property.</param>
public static Teacher CreateTeacher(global::System.Int32 id, global::System.String firstName, global::System.String lastName, global::System.String userName, global::System.String password)
{
Teacher teacher = new Teacher();
teacher.ID = id;
teacher.FirstName = firstName;
teacher.LastName = lastName;
teacher.UserName = userName;
teacher.Password = password;
return teacher;
}
