public static void AddSolution(string studentEmail, int hwId, string url)
{
using (var db = new HwProj_DBContext())
{
var relatedStudent = db.Student.First(s => s.Email == studentEmail);
var relatedHw = db.CurrentHomework.First(hw => hw.Id == hwId);
var toAdd = new HomeworkSolution()
{
StudentId = studentEmail,
HomeworkId = hwId,
Url = url,
Homework = relatedHw,
Student = relatedStudent
};
relatedStudent.HomeworkSolution.Add(toAdd);
relatedHw.HomeworkSolution.Add(toAdd);
db.SaveChanges();
}
}
public async Task <HomeworkSolutionResponse> Handle(HomeworkSolutionCreateCommand request, CancellationToken cancellationToken)
{
var currentUserId = identityService.GetCurrentUserId();
var homework = await context.Homeworks.Include(x => x.Lesson)
.ThenInclude(x => x.ClassSchoolYearSubject)
.ThenInclude(x => x.ClassSchoolYearSubjectStudents)
.ThenInclude(x => x.Student)
.Include(x => x.Solutions)
.ThenInclude(x => x.Student)
.SingleAsync(x => x.Id == request.HomeworkId, cancellationToken);
var student = homework.Lesson.ClassSchoolYearSubject.ClassSchoolYearSubjectStudents
.Where(x => x.Student.UserId == currentUserId)
.Select(x => x.Student)
.Single();
if (homework.Solutions.Any(x => x.Student.UserId == currentUserId))
{
throw new InvalidOperationException(
"Már létrehozásra került egy megoldás az adott házi feladathoz ez által a diák által.");
}
if (homework.Deadline < DateTime.Now)
{
throw new InvalidOperationException("A határidő lejárt.");
}
var solution = new HomeworkSolution
{
Homework = homework,
Student = student
};
context.HomeworkSolutions.Add(solution);
await context.SaveChangesAsync(cancellationToken);
return(mapper.Map <HomeworkSolutionResponse>(solution));
}
