public ActionResult ChangeTeacher(int?id)
{
if (id == null || !id.HasValue)
{
return(RedirectToAction("Index", "Home"));
}
teacherService = new TeacherService();
subjectService = new SubjectService();
// assign the value of teacher to be replaced to HireTeacherSingleton
hireTeacherSingleton.TeacherToBeReplaced = teacherService.GetTeacherById((int)id);
// assing the subject where teacher will be replaced
hireTeacherSingleton.SubjectWhereTeacherWillBeReplaced = subjectService
.getTeacherSubjectByTeacherId((int)id);
// create view model for dropdown list choice between allocated and non-allocated teachers
teacherService = new TeacherService();
TeachersToReplaceViewModel teachers = null;
List <Teacher> nonAllocatedTeachers = teacherService.GetNonAllocatedTeachers();
teachers = new TeachersToReplaceViewModel()
{
Id = 0,
teachers = nonAllocatedTeachers
};
return(View("TypeOfReplacement", teachers));
}
public ActionResult SaveReplacement(TeachersToReplaceViewModel model)
{
if (model == null)
{
return(RedirectToAction("Index"));
}
subjectService = new SubjectService();
teacherService = new TeacherService();
Teacher newTeacher = teacherService.GetTeacherById(model.Id);
Subject subjectWithNewTeacher = hireTeacherSingleton.SubjectWhereTeacherWillBeReplaced;
// assign new teacher to subject and save changes
subjectService.ChangeSubjectTeacher(subjectWithNewTeacher, newTeacher);
return(RedirectToAction("Index"));
}
