public ActionResult ClassSchedule(Department aDepartment)
{
ViewBag.DepartmentId = new SelectList(db.Departments, "DepartmentId", "DepartmentName");
List<Course> courses =
(from c in db.Courses where c.Department.DepartmentId == aDepartment.DepartmentId select c).ToList();
List<AllocateRoom> allocations = db.AllocateRooms.ToList();
List<string> code = new List<string>();
List<string> name = new List<string>();
List<string> schdule = new List<string>();
foreach (Course course in courses)
{
string message = "";
foreach (AllocateRoom allocation in allocations)
{
int flag = 0;
if (course.CourseId == allocation.CourseId)
{
if (flag == 0)
{
message += "R-No: ";
flag = 1;
}
Room aRoom = (from r in db.Rooms where r.RoomId == allocation.RoomId select r).SingleOrDefault();
Day day = (from d in db.Days where d.DayId == allocation.DayId select d).SingleOrDefault();
allocation.Room = aRoom;
allocation.Day = day;
message += aRoom.RoomNo + ", " + day.DayName + ", " + allocation.StartingTime + " - " +
allocation.EndingTime + ";";
}
}
if (message == "") message += "Couse Yet not Scheduled";
schdule.Add(message);
code.Add(course.CourseCode);
name.Add(course.CourseName);
}
ViewBag.CourseCode = code;
ViewBag.CourseName = name;
ViewBag.Schedules = schdule;
return View();
}
private string ValidationForDepartment(Department department)
{
string message = "";
if (department.DepartmentCode == "")
{
message += "Code not given";
}
if (department.DepartmentCode != "" && db.Departments.Count(d => d.DepartmentCode == department.DepartmentCode) != 0)
{
message += "Code already exists" + "\n";
}
if (department.DepartmentName == "")
{
message += "Name not given";
}
if (department.DepartmentName != "" && db.Departments.Count(d => d.DepartmentName == department.DepartmentName) != 0)
{
message += "Name already exists" + "\n";
}
return message;
}
public ActionResult Create(Department department)
{
department.DepartmentCode = department.DepartmentCode.ToUpper();
department.DepartmentName = department.DepartmentName.ToUpper();
// check validation
string message = ValidationForDepartment(department);
if (message != "")
{
ViewBag.Message = message;
return View(department);
}
// save it to the database
if (ModelState.IsValid)
{
db.Departments.Add(department);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(department);
}
public ActionResult CourseAssign(Department aDepartment, Course aCourse, Teacher aTeacher)
{
string message = ValidationForCourseAssign(aDepartment, aCourse, aTeacher);
if (message != "")
{
ViewBag.DepartmentId = new SelectList(db.Departments, "DepartmentId", "DepartmentName");
ViewBag.TeacherId = new SelectList("", "", "TeacherName");
ViewBag.CourseId = new SelectList("", "", "CourseName");
ViewBag.Message = message;
return View();
}
aTeacher = db.Teachers.Find(aTeacher.TeacherId);
aCourse = db.Courses.Find(aCourse.CourseId);
// assiging teacher to this course
aCourse.Teacher = aTeacher;
// update remaining credit for teacher
aTeacher.TeacherRemainingCredit -= aCourse.CourseCredit;
//save data to database
if (!ModelState.IsValid)
{
db.Entry(aCourse).State = EntityState.Modified;
db.SaveChanges();
db.Entry(aTeacher).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
return View();
}
private string ValidationForCourseAssign(Department aDepartment, Course aCourse, Teacher aTeacher)
{
string message = "";
if (aDepartment.DepartmentId == 0 || aCourse.CourseId == 0 || aTeacher.TeacherId == 0)
{
message += "Incomplete form submit, any field is not yet set ";
}
// is teacher and course is not from the same department
aDepartment = db.Departments.Find(aDepartment.DepartmentId);
aTeacher = db.Teachers.Find(aTeacher.TeacherId);
aCourse = db.Courses.Find(aCourse.CourseId);
if (aDepartment.DepartmentId != aTeacher.DepartmentId || aCourse.DepartmentId != aTeacher.DepartmentId)
{
ViewBag.DepartmentId = new SelectList(db.Departments, "DepartmentId", "DepartmentName");
ViewBag.TeacherId = new SelectList(db.Teachers, "TeacherId", "TeacherName");
ViewBag.CourseId = new SelectList(db.Courses, "CourseId", "CourseName");
if (aDepartment.DepartmentId != aCourse.DepartmentId)
{
message += "Your Course is not from the selected department";
}
else if (aCourse.DepartmentId != aTeacher.DepartmentId)
{
message += "Your Teacher is not from the selected department";
}
}
// if course is already assigned
if (aCourse.Teacher != null)
{
message += "Course Already Assigned";
}
return message;
}
