public void Update(ProjectDto item)
{
var data = (from r in MockDb.Projects
where r.Id == item.Id
select r).FirstOrDefault();
if (data == null)
{
throw new DataNotFoundException("Project");
}
if (!data.LastChanged.Matches(item.LastChanged))
{
throw new ConcurrencyException("Project");
}
item.LastChanged = MockDb.GetTimeStamp();
data.Name = item.Name;
data.Description = item.Description;
data.Started = item.Started;
data.Ended = item.Ended;
data.LastChanged = item.LastChanged;
}