/// <summary>
/// Filters by the Type-Safe Enum value. Filter records in which enum is NOT IN the given LIST
/// </summary>
/// <typeparam name="E">Entity type which being filtered</typeparam>
/// <typeparam name="TSE">Type-Safe Enum class</typeparam>
/// <typeparam name="U">Type-Safe Enum Underlying Key</typeparam>
/// <param name="entities">Entities to filter. E.g. IQueryable{BusinessEntityContact}</param>
/// <param name="entityPropertySelector">Should point from an entity to a TypeSafeEnum property. E.g. "c => ContactTypeEnum"</param>
/// <param name="values">Should give the list of <typeparamref name="TSE"/> records for comparison. E.g. new ContactTypeEnum[] { ContactTypeEnum.ACCOUNTING_MANAGER, ContactTypeEnum.ASSISTANT_SALES_AGENT } </param>
/// <returns></returns>
public static IQueryable <E> WhereEnumNotIn <E, TSE, U>(this IQueryable <E> entities, Expression <Func <E, TSE> > entityPropertySelector, ICollection <TSE> values)
where E : class //IEntity?
where TSE : TypeSafeEnum <TSE, U>
where U : IEquatable <U>, IComparable <U>
{
var expression = TypeSafeEnumsQueryHelper.CreateNotInExpression <E, TSE, U>(entityPropertySelector, values);
return(entities.Where(expression));
}
/// <summary>
/// Filters by the Type-Safe Enum value. Filter according to any condition
/// </summary>
/// <typeparam name="E">Entity type which being filtered</typeparam>
/// <typeparam name="TSE">Type-Safe Enum class</typeparam>
/// <typeparam name="U">Type-Safe Enum Underlying Key</typeparam>
/// <param name="entities">Entities to filter. E.g. IQueryable{BusinessEntityContact}</param>
/// <param name="entityPropertySelector">Should point from an entity to a TypeSafeEnum property. E.g. "c => ContactTypeEnum"</param>
/// <param name="predicate">Filter condition. E.g. "ct => ct.SomeProperty==true"</param>
/// <returns></returns>
public static IQueryable <E> WhereEnum <E, TSE, U>(this IQueryable <E> entities, Expression <Func <E, TypeSafeEnum <TSE, U> > > entityPropertySelector, Func <TSE, bool> predicate)
where E : class //IEntity?
where TSE : TypeSafeEnum <TSE, U>
where U : IEquatable <U>, IComparable <U>
{
var entityPropertySelector2 = TypeSafeEnumsQueryHelper.Unwrap(entityPropertySelector);
var expression = TypeSafeEnumsQueryHelper.CreateExpression <E, TSE, U>(entityPropertySelector2, predicate);
return(entities.Where(expression));
}
