public ActionResult AssignCourse(int?instructorId)
{
var program = DbContext.ProgramDatabase
.Select(p => new SelectListItem()
{
Text = p.Name,
Value = p.Id.ToString(),
}).ToList();
ViewBag.program = program;
if (!instructorId.HasValue)
{
return(RedirectToAction(nameof(InstructorController.Detail)));
}
var model = new AssignCourseViewModel();
var instructor = DbContext.InstructorDatabase.FirstOrDefault(p => p.Id == instructorId);
model.InstructorId = instructor.Id;
var courseList = DbContext.CourseDatabase.ToList();
var course = DbContext.CourseDatabase
.Where(p => p.ProgramId != 0)
.Select(c => new SelectListItem()
{
Text = c.Name,
Value = c.Id.ToString(),
}).ToList();
model.AddCourses = course;
model.ProgramList = program;
return(View(model));
}
public ActionResult AssignCourse(AssignCourseViewModel model)
{
var instructor = DbContext.InstructorDatabase.FirstOrDefault(p => p.Id == model.InstructorId);
if (instructor == null)
{
ModelState.AddModelError("", "Instructor is not found.");
return(View("Error"));
}
if (model.RemoveSelectedCourses != null)
{
var instructorId = instructor.Id.ToString();
instructorId = null;
}
if (model.AddSelectedCourses != null)
{
var assigncourse = DbContext.CourseDatabase.FirstOrDefault(p => p.Id.ToString() == model.AddSelectedCourses);
assigncourse.InstructorId = instructor.Id;
assigncourse.Instructor = instructor;
instructor.Courses.Add(assigncourse);
DbContext.SaveChanges();
}
return(RedirectToAction("Detail", "Instructor", new { id = instructor.Id }));
}
public JsonResult CourseAssign(AssignCourseViewModel assignCourse)
{
var result = false;
try
{
if (ModelState.IsValid)
{
AssignCrouse aAssignCrouse = new AssignCrouse();
aAssignCrouse.CourseId = assignCourse.CourseId;
aAssignCrouse.TeacherId = assignCourse.TeacherId;
aAssignCrouse.IsUnassign = false;
db.AssignCrouses.Add(aAssignCrouse);
db.SaveChanges();
result = true;
}
}
catch (Exception ex)
{
throw ex;
}
return(Json(result, JsonRequestBehavior.AllowGet));
}
