/// <summary> Загрузить задание </summary>
private TaskPoco UploadTaskInternal(Stream stream, bool appendTimestamp)
{
var info = _xapProcessor.Parse(stream);
if (info == null)
{
throw new ArgumentException("Не удалось распознать модуль-задание.");
}
var name = appendTimestamp
? $"{info.Name} ({DateTime.Now:u})"
: info.Name;
var sameTaskExists = _query.OfEntities <Task>().Any(t => t.Name == name && t.Version == info.Version);
if (!sameTaskExists)
{
var newTask = new TaskPoco
{
Name = name,
Sections = info.Sections,
VariantGenerator = null,
Note = null,
Version = info.Version,
Xap = stream.ReadToEnd()
};
return(newTask);
}
else
{
//TODO: здесь кидать исключение о дубликате (лучше ResultOrError)
return(null);
}
}
protected override LabScheduleModel[] LoadItems()
{
return(_query
.OfEntities <AbstractLabSchedule>()
.OrderBy(m => m.DateFrom)
.ThenBy(m => m.DateTill)
.Where(m =>
(!_dateFrom.HasValue || _dateFrom <= m.DateTill) &&
(!_dateTill.HasValue || _dateTill >= m.DateFrom))
.Where(m => (((m is IndividualLabSchedule) &&
((string.IsNullOrEmpty(_user0)) ||
(((m as IndividualLabSchedule).Student.Name.ToLower().Contains(_user0) && (m as IndividualLabSchedule).Student.FatherName.ToLower().Contains(_user1) &&
(m as IndividualLabSchedule).Student.Surname.ToLower().Contains(_user2)) ||
(((m as IndividualLabSchedule).Student.Name.ToLower().Contains(_user0) && (m as IndividualLabSchedule).Student.FatherName.ToLower().Contains(_user2) &&
(m as IndividualLabSchedule).Student.Surname.ToLower().Contains(_user1)) ||
((m as IndividualLabSchedule).Student.Name.ToLower().Contains(_user1) && (m as IndividualLabSchedule).Student.FatherName.ToLower().Contains(_user0) &&
(m as IndividualLabSchedule).Student.Surname.ToLower().Contains(_user2)) ||
((m as IndividualLabSchedule).Student.Name.ToLower().Contains(_user1) && (m as IndividualLabSchedule).Student.FatherName.ToLower().Contains(_user2) &&
(m as IndividualLabSchedule).Student.Surname.ToLower().Contains(_user0)) ||
((m as IndividualLabSchedule).Student.Name.ToLower().Contains(_user2) && (m as IndividualLabSchedule).Student.FatherName.ToLower().Contains(_user0) &&
(m as IndividualLabSchedule).Student.Surname.ToLower().Contains(_user1)) ||
((m as IndividualLabSchedule).Student.Name.ToLower().Contains(_user2) && (m as IndividualLabSchedule).Student.FatherName.ToLower().Contains(_user1) &&
(m as IndividualLabSchedule).Student.Surname.ToLower().Contains(_user0))))))
||
((m is GroupLabSchedule) && ((m as GroupLabSchedule).Group.Name.Contains(_user1) && (m as GroupLabSchedule).Group.Name.Contains(_user1) || (string.IsNullOrEmpty(_user0))))))
.Where(m => (m.LabWork.Name.Equals(_labname) || string.IsNullOrEmpty(_labname)))
.ToArray()
.Select(_modelLoader.Load)
.ToArray());
}
protected override Expression <Func <AbstractLabSchedule, bool> > GetAdditionalScheduleFilter(IEntityQuery query, Student currentStudent)
{
var allSchedules = query.OfEntities <AbstractLabSchedule>();
var allResults = query.OfEntities <Result>();
return(currentSchedule =>
allSchedules
.Count(sch => sch.LabWork == currentSchedule.LabWork &&
sch.Mode == LabExecutionMode.TestMode &&
((sch as IndividualLabSchedule).Student.Id == currentStudent.Id || (sch as GroupLabSchedule).Group.Id == currentStudent.Group.Id))
>
allResults
.Count(res => res.LabVariant.LabWork == currentSchedule.LabWork &&
res.Student.Id == currentStudent.Id &&
res.Status != ExecutionStatus.Complete));
}
/// <summary> Загружает лабораторные работы </summary>
protected override LabModel[] LoadItems()
{
return(_query.OfEntities <LabWork>()
.ToArray()
.Select(l => _modelLoader.Load(l))
.ToArray());
}
/// <summary> Загружает группы </summary>
protected override GroupModel[] LoadItems()
{
return(_query.OfEntities <Group>()
.ToArray()
.Select(_modelLoader.Load)
.ToArray());
}
private TaskVariantPreviewModel CreateTaskVariantPreviewModel(int taskId)
{
long variantId;
try
{
variantId = _entityQuery.OfEntities <TaskVariant>().First(t => t.Task.Id == taskId).Id;
}
catch (InvalidOperationException ex)
{
throw new GraphLabsException(ex,
"Не удалось загрузить вариант для предпросмотра. Вероятно, для выбранного модуля в системе нет ни одного доступного варианта.");
}
var initParams = InitParams.ForDemoMode(
_authService.GetSessionInfo().SessionGuid,
taskId,
variantId,
-1,
null);
var model = new TaskVariantPreviewModel
{
TaskId = taskId,
InitParams = _initParamsProvider.GetInitParamsString(initParams)
};
return(model);
}
/// <summary> Загружает тестпулы</summary>
protected override TestPoolModel[] LoadItems()
{
return(_query.OfEntities <DomainModel.TestPool>()
.ToArray()
.Select(_modelLoader.Load)
.ToArray());
}
/// <summary> Загружает вопросы </summary>
protected override QuestionModel[] LoadItems()
{
return(_query.OfEntities <TestQuestion>()
.ToArray()
.Select(l => _modelLoader.Load(l))
.OrderBy(i => i.Category.Name)
.ToArray());
}
/// <summary> Реализация этого метода должна загружать список моделей </summary>
protected override NewsModel[] LoadItems()
{
return(_query.OfEntities <DomainModel.News>()
.OrderByDescending(n => n.LastModificationTime.HasValue ? n.LastModificationTime : n.PublicationTime)
.Take(MaxNewsCount)
.ToArray()
.Select(n => _modelLoader.Load(n))
.ToArray());
}
private void FillGroups(object selectedValue = null)
{
var groups = _query.OfEntities <Group>()
.Where(g => g.IsOpen)
.ToArray()
.Select(t => new NameValueModel(t.Id, t.Name))
.ToArray();
ViewBag.GroupsList = new SelectList(groups, "Id", "Name", selectedValue);
}
protected override LabScheduleModel[] LoadItems()
{
return(_query
.OfEntities <AbstractLabSchedule>()
.OrderBy(m => m.DateFrom)
.ThenBy(m => m.DateTill)
.ToArray()
.Select(_modelLoader.Load)
.ToArray());
}
protected override ResultModel[] LoadItems()
{
return(_query
.OfEntities <Result>()
.Where(r => r.Student.Email == _email)
.Where(r => (_from == null || r.StartDateTime >= _from) && (_till == null || r.StartDateTime <= _till))
.ToArray()
.Select(r => _resultLoader.Load(r))
.ToArray());
}
/// <summary> Загружает демонстрационные лабораторные работы </summary>
protected override TAvalilableLab[] LoadItems()
{
var currentStudent = _query.OfEntities <Student>().SingleOrDefault(s => s.Email == _currentUser.Identity.Name);
if (currentStudent == null)
{
throw new GraphLabsException("Данная страница имеет смысл только для залогиненных студентов.");
}
var currentTime = _dateService.Now();
var models = _query.OfEntities <IndividualLabSchedule>()
.Where(s => s.Student.Id == currentStudent.Id)
.Cast <AbstractLabSchedule>()
.Union(_query.OfEntities <GroupLabSchedule>().Where(g => g.Group.Id == currentStudent.Group.Id))
.Where(sch => sch.Mode == ExecutionMode &&
sch.DateFrom <= currentTime && sch.DateTill >= currentTime)
.Where(GetAdditionalScheduleFilter(_query, currentStudent))
.ToArray()
.Select(l => _modelLoader.Load(l))
.ToArray();
return(models);
}
private Session FindSession(IEntityQuery query, string email, Guid sessionGuid, string clientIp)
{
var session = query
.OfEntities <Session>()
.Where(s => s.Guid == sessionGuid)
.Include(s => s.User)
.SingleOrDefault();
if (session != null && SessionIsValid(session, email, clientIp))
{
return(session);
}
return(null);
}
private Result GetCurrentResultLog(IEntityQuery query, Session session)
{
return(query.OfEntities <Result>()
.Where(result => result.Student.Id == session.User.Id && result.Status == ExecutionStatus.Executing)
.ToArray().First());
}
