Пример #1
0
        public void EndTesting(TestResult result, string groupId, string subgroupId, string testId)
        {
            IServiceCallback callback = Callback;

            if (callback != null)
            {
                try
                {
                    TestOnline testOnline;
                    bool       isFoundTest = _onlineTests.TryGetValue(testId, out testOnline);

                    if (isFoundTest)
                    {
                        if (testOnline.Groups.Count > 0)
                        {
                            Group    group    = testOnline.Groups.FirstOrDefault(g => g.Id.Equals(groupId));
                            Subgroup subgroup = group?.Subgroups.FirstOrDefault(s => s.Id.Equals(subgroupId));

                            if (subgroup != null)
                            {
                                try
                                {
                                    subgroup.Timer.Stop();
                                }
                                catch
                                {
                                    // ignored
                                }

                                group.Subgroups.Remove(subgroup);

                                if (group.Subgroups.Count == 0)
                                {
                                    testOnline.Groups.Remove(group);
                                }

                                using (TestingSystemContext context = new TestingSystemContext())
                                {
                                    using (var transaction = context.Database.BeginTransaction())
                                    {
                                        try
                                        {
                                            foreach (QuestionWithAnswer question in result.Questions)
                                            {
                                                context.QuestionWithAnswers.Add(question);
                                                context.SaveChanges();
                                            }

                                            User user = context.Users.FirstOrDefault(u => u.Id.Equals(result.User.Id));

                                            if (user != null)
                                            {
                                                result.User = user;
                                            }

                                            Test test = context.Tests.FirstOrDefault(t => t.Id.Equals(testId));

                                            if (test != null)
                                            {
                                                result.Test = test;
                                            }

                                            context.Results.Add(result);
                                            context.SaveChanges();

                                            transaction.Commit();

                                            callback.ResultEndTesting(true, "Результаты теста были успешно сохранены!");
                                        }
                                        catch (Exception exception)
                                        {
                                            transaction.Rollback();

                                            callback.ResultEndTesting(false, exception.Message);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                catch (Exception exception)
                {
                    callback.ResultEndTesting(false, exception.Message);
                }
            }
        }