public async Task HandleAsync(UserUnsubscribeCommand command)
{
var user = await _context
.User
.Include(t => t.CourseTaskAttemptUser)
.ThenInclude(t => t.CourseTask)
.Include(t => t.CourseTaskAttemptUser)
.ThenInclude(t => t.TaskAttemptAttachment)
.Include(t => t.DiscussionComment)
.ThenInclude(t => t.Discussion)
.Include(t => t.Discussion)
.Include(t => t.ExamAttempt)
.ThenInclude(t => t.Exam)
.Include(t => t.UserCoursePrivilege)
.FirstOrDefaultAsync(x => x.Id == command.UserId);
var userTaskAttempts = user.CourseTaskAttemptUser.Where(x => x.CourseTask.CourseId == command.CourseId);
var userTaskAttemptAttachments = new List <TaskAttemptAttachment>();
userTaskAttempts.ToList().ForEach(x =>
{
x.TaskAttemptAttachment.ToList().ForEach(y => userTaskAttemptAttachments.Add(y));
});
_context.TaskAttemptAttachment.RemoveRange(userTaskAttemptAttachments);
_context.CourseTaskAttempt.RemoveRange(userTaskAttempts);
_context.DiscussionComment.RemoveRange(user.DiscussionComment.Where(x => x.Discussion.CourseId == command.CourseId));
_context.Discussion.RemoveRange(user.Discussion.Where(x => x.CourseId == command.CourseId));
_context.ExamAttempt.RemoveRange(user.ExamAttempt.Where(x => x.Exam.CourseId == command.CourseId));
_context.UserCoursePrivilege.RemoveRange(user.UserCoursePrivilege.Where(x => x.CourseId == command.CourseId));
var subscription = await _context.Subscription.Where(x => x.CourseId == command.CourseId && x.UserId == command.UserId).FirstOrDefaultAsync();
_context.Subscription.Remove(subscription);
await _context.SaveChangesAsync();
}
public async Task <IActionResult> Unsubscribe(UserUnsubscribeCommand command)
{
await _commandBus.ExecuteAsync(command);
return(Ok());
}
