public IActionResult DeleteClass(int id)
{
var schoolClass = _classesService.GetById <ClassInputModel>(id);
var inputModel = new ClassModifyInputModel()
{
Id = id,
Class = schoolClass
};
return(View(inputModel));
}
public async Task EditAsync(ClassModifyInputModel modifiedModel)
{
var schoolClass = _classesRepository.All().FirstOrDefault(c => c.Id == modifiedModel.Id);
if (schoolClass != null)
{
var inputModel = modifiedModel.Class;
var teacherId = int.Parse(inputModel.TeacherId);
var isClassLetterNumberCombinationAlreadyOccupied = _classesRepository.All().Any(c =>
c.Letter == inputModel.Letter &&
c.YearCreated == inputModel.YearCreated &&
c.Year == inputModel.Year &&
c.TeacherId == teacherId);
if (isClassLetterNumberCombinationAlreadyOccupied)
{
throw new ArgumentException($"Sorry, there is already existing class for year {inputModel.YearCreated} that's currently in {inputModel.Year} grade and with letter {inputModel.Letter}");
}
schoolClass.Letter = inputModel.Letter;
schoolClass.Year = inputModel.Year;
schoolClass.YearCreated = inputModel.YearCreated;
if (schoolClass.TeacherId != teacherId)
{
var teacher = _teachersRepository.All().FirstOrDefault(t => t.Id == teacherId);
if (teacher != null)
{
if (teacher.Class != null)
{
throw new ArgumentException($"Sorry, teacher with id {teacherId} is already registered as head of another class");
}
if (teacher.SchoolId != schoolClass.Teacher.SchoolId)
{
var school = teacher.School;
school.Classes.Add(schoolClass);
_schoolsRepository.Update(school);
await _schoolsRepository.SaveChangesAsync();
}
// MUST be below the if above
schoolClass.Teacher = teacher;
}
}
_classesRepository.Update(schoolClass);
await _classesRepository.SaveChangesAsync();
}
}
public async Task <IActionResult> EditClass(int id)
{
var user = await _userManager.GetUserAsync(User);
var isAdmin = await IsAdmin();
var schoolIds = _schoolsServices.GetAllByUserId <SchoolViewModel>(user?.UniqueGradebookId, isAdmin).Select(s => s.Id);
var teachersInSchools = _teachersService.GetAllBySchoolIds <TeacherViewModel>(schoolIds);
var schoolClass = _classesService.GetById <ClassInputModel>(id);
var inputModel = new ClassModifyInputModel()
{
Id = id,
Teachers = teachersInSchools.Select(t => new SelectListItem($"{t.FirstName} {t.LastName} ({t.SchoolName})", t.Id.ToString())).ToList(),
Class = schoolClass
};
return(View(inputModel));
}
public async Task <IActionResult> DeleteClass(ClassModifyInputModel inputModel, string onSubmitAction)
{
if (onSubmitAction.IsNullOrEmpty() || onSubmitAction == "Cancel")
{
return(RedirectToAction(nameof(Index)));
}
try
{
await _classesService.DeleteAsync(inputModel.Id);
return(RedirectToAction("ClassesList", "Classes", new { area = string.Empty })); // string is empty in order to exit current principal area
}
catch (Exception e)
{
_logger.LogError(e, $"An exception occured during student DELETE operation for class with id {inputModel.Id}. Ex: {e.Message}");
return(RedirectToAction("Error", "Home"));
}
}
public async Task <IActionResult> EditClass(ClassModifyInputModel inputModel)
{
if (!ModelState.IsValid || inputModel.Class.TeacherId.IsNullOrEmpty())
{
//ToDo: in case of null teacher, return appropriate message or add model validation?
return(View(inputModel));
}
try
{
await _classesService.EditAsync(inputModel);
return(RedirectToAction("ById", "Classes", new { area = string.Empty, id = inputModel.Id }));
}
catch (Exception e)
{
_logger.LogError(e, $"An exception occured during student UPDATE operation for class with id {inputModel.Id}. Ex: {e.Message}");
return(RedirectToAction("Error", "Home"));
}
}
