public ActionResult NewTeacher(ListTeacherViewModel model)
{
// Agrega un nuevo profesor al sistema
try
{
if (ModelState.IsValid) // Checkea los DataAnnotations de ListTeacherViewModel, o sea los [Required]
{
// Si es un modelo válido, agregar el nuevo profe a la base
using (Models.DBContainer db = new Models.DBContainer())
{
Teacher teacher = new Teacher();
teacher.first_name = model.first_name;
teacher.last_name = model.last_name;
teacher.active = model.active;
db.Teachers.Add(teacher);
db.SaveChanges();
}
return(RedirectToAction("ListTeachers", "Admin"));
}
return(View(model));
}
catch (Exception exc)
{
throw new Exception(exc.Message);
}
}
public ActionResult EditTeacher(int id)
{
// Muestra los datos del profe a editar
try
{
ListTeacherViewModel model = new ListTeacherViewModel();
using (Models.DBContainer db = new Models.DBContainer())
{
Teacher teacher = db.Teachers.Find(id);
if (teacher == null)
{
TempData["Alert"] = "An error occurred, try again later";
return(RedirectToAction("ListTeachers"));
}
model.id_teacher = teacher.id_teacher;
model.first_name = teacher.first_name;
model.last_name = teacher.last_name;
model.active = teacher.active;
}
return(View(model));
}
catch (Exception exc)
{
throw new Exception(exc.Message);
}
}
public ActionResult EditTeacher(ListTeacherViewModel model)
{
// Edita al profe y lo persiste en la base de datos
try
{
if (ModelState.IsValid)
{
using (Models.DBContainer db = new Models.DBContainer())
{
Teacher teacher = db.Teachers.Find(model.id_teacher);
if (teacher == null)
{
TempData["Alert"] = "An error occurred, try again later";
return(RedirectToAction("ListTeachers"));
}
teacher.first_name = model.first_name;
teacher.last_name = model.last_name;
teacher.active = model.active;
db.Entry(teacher).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
return(RedirectToAction("ListTeachers", "Admin"));
}
return(View(model));
}
catch (Exception exc)
{
throw new Exception(exc.Message);
}
}
public ListTeacher()
{
InitializeComponent();
BindingContext = new ListTeacherViewModel(Navigation);
}
