private Session CreateSession(IEntityFactory factory, User user, string ip)
{
var now = _systemDateService.Now();
var session = factory.Create <Session>();
session.Guid = Guid.NewGuid();
session.User = user;
session.IP = ip;
session.CreationTime = now;
session.LastAction = now;
return(session);
}
public EditLabScheduleModelBase CreateEmptyModel(EditLabScheduleModelBase.Kind kind)
{
EditLabScheduleModelBase model;
switch (kind)
{
case EditLabScheduleModelBase.Kind.Individual:
model = new EditIndividualLabScheduleModel
{
Doers = _query.OfEntities <Student>()
.Where(s => !s.IsDismissed && s.IsVerified)
.ToArray()
.ToDictionary(s => s.Id, s => $"[{s.Group.Name}] {s.GetShortName()}")
};
break;
case EditLabScheduleModelBase.Kind.Group:
model = new EditGroupLabScheduleModel
{
Doers = _query.OfEntities <Group>()
.ToArray()
.ToDictionary(g => g.Id, g => g.Name)
};
break;
default:
throw new ArgumentOutOfRangeException(nameof(kind));
}
model.LabWorks = _query.OfEntities <LabWork>()
.OrderBy(lr => lr.Name)
.ToArray()
.ToDictionary(lr => lr.Id, lr => lr.Name);
model.DateFrom = _systemDate.Now();
model.DateTill = _systemDate.Now();
return(model);
}
/// <summary> Создать сессию </summary>
public Session Create(User user, string ip)
{
CheckNotDisposed();
var now = _systemDateService.Now();
var session = Context.Sessions.Create();
session.Guid = Guid.NewGuid();
session.User = user;
session.IP = ip;
session.CreationTime = now;
session.LastAction = now;
Context.Sessions.Add(session);
return(session);
}
/// <summary> Регистрирует действия студента </summary>
/// <param name="taskId"> Идентификатор модуля-задания </param>
/// <param name="sessionGuid"> Идентификатор сессии </param>
/// <param name="actions"> Действия для регистрации </param>
/// <param name="isTaskFinished"> Задание завершено? </param>
/// <returns> Количество баллов студента </returns>
/// <remarks> От этой штуки зависит GraphLabs.Components </remarks>
public int?RegisterUserActions(long taskId, Guid sessionGuid, ActionDescription[] actions, bool isTaskFinished = false)
{
using (var op = _operationFactory.Create())
{
var task = op.DataContext.Query.Get <Task>(taskId);
var session = GetSessionWithChecks(op.DataContext.Query, sessionGuid);
var resultLog = GetCurrentResultLog(op.DataContext.Query, session);
var taskResultLog = GetCurrentTaskResultLog(resultLog, task);
if (taskResultLog.Score == null)
{
taskResultLog.Score = StartingScore;
}
if (actions.Any())
{
foreach (var actionDescription in actions)
{
var newAction = op.DataContext.Factory.Create <StudentAction>();
newAction.Description = actionDescription.Description;
newAction.Penalty = actionDescription.Penalty;
newAction.TaskResult = taskResultLog;
newAction.Time = actionDescription.TimeStamp;
taskResultLog.StudentActions.Add(newAction);
}
taskResultLog.Score -= actions.Last().Penalty;
}
if (isTaskFinished)
{
var newAction = op.DataContext.Factory.Create <StudentAction>();
newAction.Description = $"Задание {task.Name} выполнено.";
newAction.Penalty = 0;
newAction.TaskResult = taskResultLog;
newAction.Time = _systemDate.Now();
taskResultLog.Status = ExecutionStatus.Complete;
taskResultLog.StudentActions.Add(newAction);
}
op.Complete();
return(taskResultLog.Score);
}
}
/// <summary> Регистрирует начало выполнения задания </summary>
/// <param name="taskId"> Идентификатор модуля-задания </param>
/// <param name="sessionGuid"> Идентификатор сессии </param>
/// <returns> Данные для задания - как правило, исходный граф, или что-то типа того </returns>
public TaskVariantDto GetVariant(long taskId, Guid sessionGuid)
{
using (var op = _operationFactory.Create())
{
var session = GetSessionWithChecks(op.DataContext.Query, sessionGuid);
TaskVariant taskVariant = null;
if (new [] { UserRole.Teacher, UserRole.Administrator }.Contains(session.User.Role))//вообще должен быть Teacher/Admin
{
var task = op.DataContext.Query.Get <Task>(taskId);
taskVariant = op.DataContext.Query.OfEntities <TaskVariant>().First(v => v.Task == task);
}
else if (session.User.Role == UserRole.Student)
{
var task = op.DataContext.Query.Get <Task>(taskId);
var resultLog = GetCurrentResultLog(op.DataContext.Query, session);
var taskResultLog = GetCurrentTaskResultLog(resultLog, task);
var variant = resultLog.LabVariant;
taskVariant = variant.TaskVariants.Single(v => v.Task == task);
var action = op.DataContext.Factory.Create <StudentAction>();
action.TaskResult = taskResultLog;
action.Time = _systemDate.Now();
action.Description = "$['Task {task.Id}' -> Variant {taskVariant.Number}]";
action.Penalty = 0;
taskResultLog.StudentActions.Add(action);
op.Complete();
}
else
{
throw new NotSupportedException("Неизвестный науке зверь!");
}
return(new TaskVariantDto
{
Data = taskVariant.Data,
GeneratorVersion = taskVariant.GeneratorVersion,
Id = taskVariant.Id,
Number = taskVariant.Number,
Version = taskVariant.Version
});
}
}
/// <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);
}
