public GroupTags_TagViewModel(Tag tag)
{
Id = tag.Id;
Title = tag.Title;
IsRecomended = tag.IsRecommended;
Weight = tag.Weight;
}
public GroupTopics_TopicViewModel(Tag tag)
{
Id = tag.Id;
Title = tag.Title;
Description = tag.Description;
GroupId = tag.GroupId;
ContentCount = tag.Contents.Count(x=>x.State == (byte)ContentState.Approved);
ExpertCount = tag.Experts.Count();
}
public TagViewModel(Tag tag)
{
if (tag != null)
{
Id = tag.Id;
Title = tag.Title;
IsRecomended = tag.IsRecommended;
Description = tag.Description;
Weight = tag.Weight;
}
}
public static Tag CreateTag(string tagTitle, string description, Guid? groupId)
{
Guid tmp;
if (Guid.TryParse(tagTitle, out tmp))
throw new BusinessLogicException("Некорректное название тэга");
var tag = new Tag(tagTitle)
{
Description = description,
GroupId = groupId,
};
DataService.PerThread.TagSet.AddObject(tag);
return tag;
}
private void FixupTag(Tag previousValue)
{
if (previousValue != null && previousValue.ExpertVotes.Contains(this))
{
previousValue.ExpertVotes.Remove(this);
}
if (Tag != null)
{
if (!Tag.ExpertVotes.Contains(this))
{
Tag.ExpertVotes.Add(this);
}
if (TagId != Tag.Id)
{
TagId = Tag.Id;
}
}
}
public GroupIndex_TopicViewModel(Tag topic)
{
Id = topic.Id;
Title = topic.Title;
}
public static bool UpdateTag(Tag tag, string title, string description)
{
var suchtag = GetTag(title, tag.Group);
if (suchtag == null)
{
tag.Description = description;
tag.ChangeTitle(title);
return true;
}
return false;
}
public static void SetTagRecomendation(Tag tag, bool recomended)
{
if (tag.TopicState == (byte)TopicState.GroupTopic)
throw new BusinessLogicException("Нельзя сменить настройки рекомендации у темы группы");
tag.IsRecommended = recomended;
}
