public async Task <IActionResult> PutTeacher(int id, Teacher teacher)
{
if (id != teacher.Id)
{
return(BadRequest());
}
_context.Entry(teacher).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!TeacherExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public async Task <IActionResult> PutStudent(double id, Student student)
{
if (id != student.Id)
{
return(BadRequest());
}
_context.Entry(student).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StudentExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public async Task <IActionResult> Edit(int id, IFormFile iff, [Bind("Id,CourseId,StudentId,Semester,Year,Grade,SeminalUrl,ProjectUrl,ExamPoints,SeminalPoints,ProjectPoints,AdditionalPoints,FinishDate")] Enrollment enrollment)
{
if (id != enrollment.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(enrollment);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!EnrollmentExists(enrollment.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["CourseId"] = new SelectList(_context.Course, "Id", "Title", enrollment.CourseId);
ViewData["StudentId"] = new SelectList(_context.Student, "Id", "FirstName", enrollment.StudentId);
return(View(enrollment));
}
public async Task <IActionResult> Create([Bind("Id,FirstName,LastName,Degree,AcademicRank,OfficeNumber,HireDate")] Teacher teacher)
{
if (ModelState.IsValid)
{
_context.Add(teacher);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(teacher));
}
public async Task <IActionResult> Create([Bind("Id,StudentId,FirstName,LastName,EnrollmentDate,AcquiredCredits,CurrentSemester,EducationLevel")] Student student)
{
if (ModelState.IsValid)
{
_context.Add(student);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(student));
}
public async Task <IActionResult> Create([Bind("Id,Title,Credits,Semester,Programme,EducationLevel,FirstTeacherId,SecondTeacherId")] Course course)
{
if (ModelState.IsValid)
{
_context.Add(course);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(course));
}
public async Task <IActionResult> Create([Bind("Id,CourseId,StudentId,Semester,Year,Grade,SeminalUrl,ProjectUrl,ExamPoints,SeminalPoints,ProjectPoints,AdditionalPoints,FinishDate")] Enrollment enrollment)
{
if (ModelState.IsValid)
{
_context.Add(enrollment);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["CourseId"] = new SelectList(_context.Course, "Id", "Title", enrollment.CourseId);
ViewData["StudentId"] = new SelectList(_context.Student, "Id", "FirstName", enrollment.StudentId);
return(View(enrollment));
}
public async Task <IActionResult> PutCourse([FromRoute] int id, [FromBody] CourseStudentEditViewModel model)
{
if (id != model.Course.Id)
{
return(BadRequest());
}
_context.Entry(model.Course).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
IEnumerable <double> listStudents = model.SelectedStudents;
IQueryable <Enrollment> toBeRemoved = _context.Enrollment.Where(s => !listStudents.Contains(s.StudentId) && s.CourseId == id);
_context.Enrollment.RemoveRange(toBeRemoved);
IEnumerable <double> existStudents = _context.Enrollment.Where(s => listStudents.Contains(s.StudentId) && s.CourseId == id).Select(s => s.StudentId);
IEnumerable <double> newStudents = listStudents.Where(s => !existStudents.Contains(s));
foreach (int studentId in newStudents)
{
_context.Enrollment.Add(new Enrollment {
StudentId = studentId, CourseId = id
});
}
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CourseExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}