public GradesReportVm GetGradesReportForStudent(GetGradesDto getGradesDto)
{
if (getGradesDto == null)
{
throw new ArgumentNullException("Get grades dto is null");
}
var getterUser = _dbContext.Users.FirstOrDefault(x => x.Id == getGradesDto.GetterUserId);
if (getterUser == null)
{
throw new ArgumentNullException("getter user is null");
}
if (!_userManager.IsInRoleAsync(getterUser, "Teacher").Result&&
!_userManager.IsInRoleAsync(getterUser, "Student").Result&&
!_userManager.IsInRoleAsync(getterUser, "Parent").Result)
{
throw new InvalidOperationException("The getter user don't have permissions to read.");
}
var student = _dbContext.Users.OfType <Student>().FirstOrDefault(s => s.Id == getGradesDto.StudentId);
if (student == null)
{
throw new InvalidOperationException("The given user is not student");
}
var gradesReport = Mapper.Map <GradesReportVm>(student);
return(gradesReport);
}
public IActionResult Details(int?studentId)
{
var getGradesDto = new GetGradesDto
{
StudentId = studentId ?? _userManager.GetUserAsync(User).Result.Id,
GetterUserId = _userManager.GetUserAsync(User).Result.Id
};
var studentGradesReport = _gradeService.GetGradesReportForStudent(getGradesDto);
if (studentGradesReport == null)
{
return(View("Error"));
}
return(View(studentGradesReport));
}
