public async Task <ValidationModel> EnrollStudent(StudentInfo studentInfo)
{
try
{
var validation = studentInfo.IsValid();
if (!validation.IsValid)
{
return new ValidationModel {
IsValid = false, Message = validation.Message
}
}
;
_courseUnitOfWork.StudentRepository.Add(studentInfo.Student);
await _courseUnitOfWork.SaveChangesAsync();
return(new ValidationModel {
IsValid = true, Message = $"{studentInfo.Student.Name} has been successfully enrolled."
});
}
catch (Exception ex)
{
//Implement serilog for logging the error message
return(new ValidationModel {
IsValid = false, Message = ex.Message
});
}
}
public async Task <ValidationModel> DeletRegisteration(int id)
{
try
{
if (id == 0)
{
return new ValidationModel {
IsValid = false, Message = "Please provide a valid Id"
}
}
;
var registration = _courseUnitOfWork.StudentRegistrationRepository.GetById(id);
var student = _courseUnitOfWork.StudentRepository.GetById(registration.StudentId);
var course = _courseUnitOfWork.CourseRepository.GetById(registration.CourseId);
course.SeatCount += 1;
_courseUnitOfWork.StudentRegistrationRepository.Remove(registration);
_courseUnitOfWork.CourseRepository.Edit(course);
await _courseUnitOfWork.SaveChangesAsync();
return(new ValidationModel {
IsValid = true, Message = $"{student.Name} has been successfully removed from {course.Title} course."
});
}
catch (Exception ex)
{
return(new ValidationModel {
IsValid = false, Message = ex.Message
});
}
}
public async Task <ValidationModel> Createcourse(CourseInfo courseInfo)
{
try
{
var validation = courseInfo.IsValid();
if (!validation.IsValid)
{
return new ValidationModel {
IsValid = false, Message = validation.Message
}
}
;
_courseUnitOfWork.CourseRepository.Add(courseInfo.Course);
await _courseUnitOfWork.SaveChangesAsync();
return(new ValidationModel {
IsValid = true, Message = $"{courseInfo.Course.Title} has been successfully created."
});
}
catch (Exception ex)
{
//Implement serilog for logging the error message
throw new Exception(ex.Message);
}
}