public static void DetachLocal <T>(this ZorkDbContext context, T t, int entryId)
where T : BaseDataObject
{
var local = context.Set <T>()
.Local
.FirstOrDefault(entry => entry.Id.Equals(entryId));
if (local != null)
{
context.Entry(local).State = EntityState.Detached;
}
context.Entry(t).State = EntityState.Modified;
}
/// <summary>
/// Async Method that retrieve first data object matching the given filter.
/// </summary>
/// <remarks>
/// Tracking on data returned is disabled by default.
/// </remarks>
/// <param name="filter">filter to apply</param>
/// <param name="trackingEnabled">true if tracking is needed on data returned, false otherwise.</param>
/// <returns>Returns <typeparamref name="TModel" />.</returns>
public TModel GetSingle(Expression <Func <TModel, bool> > filter, bool trackingEnabled = false)
{
var dbQuery = this.modelSet.AsQueryable();
var item = trackingEnabled
? dbQuery.FirstOrDefault(filter)
: dbQuery.AsNoTracking().FirstOrDefault(filter);
foreach (string fk in this.CollectionNavigationProperties)
{
context.Entry(item).Collection(fk).Load();
}
foreach (string fk in this.ReferenceNavigationProperties)
{
context.Entry(item).Reference(fk).Load();
}
return(item);
}
