public GroupSurveyOptionViewModel(Option option)
{
if (option != null)
{
Id = option.Id;
Title = option.Title;
Description = option.Description;
VotesCount = option.SurveyBulletins.Count;
VotesCountString = DeclinationService.OfNumber(VotesCount, "голос", "голоса", "голосов");
Position = option.Position;
}
}
public Survey UpdateSurvey(Survey survey, SurveyData data, Guid? userId)
{
if (survey.State != (byte)ContentState.Draft && survey.State != (byte)ContentState.Premoderated)
throw new BusinessLogicException("Данный опрос нельзя изменять");
if (userId.HasValue)
{
if (survey.AuthorId != userId)
throw new BusinessLogicException("Вы не являетесь автором опроса");
GroupService.UserInGroup(userId.Value, survey.Group, true);
}
if (data.VariantsCount >= data.Options.Count)
throw new BusinessLogicException("Разрешено выбирать слишком много вариантов");
survey.Title = data.Title;
survey.Text = data.Text;
survey.IsPrivate = data.IsPrivate;
survey.Duration = data.Duration;
survey.VariantsCount = data.VariantsCount;
survey.Tags.Clear();
foreach (var tag in TagsHelper.ConvertStringToTagList(data.Tags, survey.GroupId))
survey.Tags.Add(tag);
var optionsForDelete = survey.Options.ToList();
foreach (var option in optionsForDelete)
DataService.PerThread.OptionSet.DeleteObject(option);
var options = new List<Option>();
byte optPos = 0;
foreach (var o in data.Options)
{
var option = new Option
{
Position = optPos,
Title = o.Title,
Description = o.Description,
SurveyId = survey.Id
};
DataService.PerThread.OptionSet.AddObject(option);
options.Add(option);
optPos++;
}
survey.Options.Clear();
foreach (var option in options)
survey.Options.Add(option);
DataService.PerThread.SaveChanges();
return survey;
}
public Survey CreateSurvey(SurveyData data, Guid? userId)
{
var group = DataService.PerThread.GroupSet.SingleOrDefault(x => x.Id == data.GroupId);
if (group == null)
throw new BusinessLogicException("Указан неверный идентификатор группы");
if (userId.HasValue)
GroupService.UserInGroup(userId.Value, group, true);
if (data.VariantsCount >= data.Options.Count)
throw new BusinessLogicException("Разрешено выбирать слишком много вариантов");
var survey = new Survey
{
AuthorId = userId,
Title = data.Title,
Text = data.Text,
IsPrivate = data.IsPrivate,
Tags = TagsHelper.ConvertStringToTagList(data.Tags, data.GroupId),
GroupId = data.GroupId,
Duration = data.Duration,
VariantsCount = data.VariantsCount,
CreationDate = DateTime.Now,
State = data.IsDraft ? (byte)ContentState.Draft : (byte)ContentState.Premoderated,
HasOpenProtocol = data.HasOpenProtocol
};
var options = new List<Option>();
byte optPos = 0;
foreach (var o in data.Options)
{
var option = new Option
{
Position = optPos,
Title = o.Title,
Description = o.Description,
SurveyId = survey.Id
};
options.Add(option);
optPos++;
}
survey.Options = options;
DataService.PerThread.ContentSet.AddObject(survey);
DataService.PerThread.SaveChanges();
return survey;
}
