public static IQueryable <TEntity> DefaultWhere <TEntity>(this IQueryable <TEntity> set, string search = null)
where TEntity : class
{
return(IDNameObjectManager <TEntity> .ApplyWhere(set, (search == null)?null : IDNameObjectManager <TEntity> .GetNameSearchPredicate(search)));
}
public static IQueryable <TEntity> DefaultWhere <TEntity>(this IQueryable <TEntity> set, IList ids)
where TEntity : class
{
return(IDNameObjectManager <TEntity> .ApplyWhere(set, IDNameObjectManager <TEntity> .GetIDsInListPredicate(ids)));
}
// TODO: AsIDs and ToIDList for IEnumerable<TEntity>
// Problem: LINQ can't cast int as object
// Possible solution: call the Queryable.Select via reflection with actual type of ID property
// ...or like it is done in ApplyOrderBy method (un-Convert)
/*
* public static IQueryable<object> AsIDs<TEntity>(this IQueryable<TEntity> list)
* where TEntity : class
* {
* return Queryable.Select(list, IDNameObjectType<TEntity>.IDSelectorExpression);
* }
*
* public static IList ToIDList<TEntity>(this IQueryable<TEntity> list)
* where TEntity : class
* {
* return Enumerable.ToList(list.AsIDs());
* }
*/
// IQueryable methods
public static IQueryable <TEntity> WhereID <TEntity>(this IQueryable <TEntity> set, object id)
where TEntity : class
{
return(IDNameObjectManager <TEntity> .ApplyWhere(set, IDNameObjectManager <TEntity> .GetIDEqualsPredicate(id)));
}