public override IEnumerable<Entities.Tag> GetTaskTags(Entities.Task task)
{
List<Entities.Tag> result = new List<Entities.Tag>();
if (this.Stream != null)
{
using (TagManager tm = new TagManager())
{
tm.Stream = this.TagStream;
IEnumerable<Entities.Tag> tags = tm.GetTags();
XDocument doc = XDocument.Load(this.Stream);
Task el = (Task)doc.Element("Task").Elements("Task").Where(x => x.Attribute("ID").Value == task.ID.ToString()).SingleOrDefault();
foreach (Guid id in el.TagIDs)
{
result.AddRange(tm.GetTags(t=>t.ID == id));
}
}
}
return result;
}
public override Entities.Task TagTask(Entities.Task task, IEnumerable<Entities.Tag> tags)
{
List<Entities.Tag> result = new List<Entities.Tag>();
if (this.Stream != null)
{
using (TagManager tm = new TagManager())
{
tm.Stream = this.TagStream;
XDocument doc = XDocument.Load(this.Stream);
Task el = (Task)doc.Element("Task").Elements("Task").Where(x => x.Attribute("ID").Value == task.ID.ToString()).SingleOrDefault();
foreach (Entities.Tag tag in tags)
{
if (!el.TagIDs.Contains(tag.ID))
{
el.TagIDs.Add(tag.ID);
}
}
List<Guid> removeTags = new List<Guid>();
foreach (Guid tagid in el.TagIDs)
{
if (tags.FirstOrDefault(t => t.ID == tagid) == null)
{
removeTags.Add(tagid);
}
}
if (removeTags.Count > 0)
{
foreach (Guid tag in removeTags)
{
el.TagIDs.Remove(tag);
}
}
XElement el2 = doc.Element("Task").Elements("Task").Where(x => x.Attribute("ID").Value == task.ID.ToString()).SingleOrDefault();
if (el2 != null)
{
el2.SetElementValue("Tags", el.TagIDs);
doc.Save(this.Stream);
}
return (Task)el2;
}
}
return task;
}
