public PropertyFilterComponent(IAuditProperty <TProp> prop, TProp value, PropertyValueComparison comparison)
{
Property = prop;
Comparison = comparison;
Value = value;
Expression <Func <AuditPropertyValue, bool> > valuePredicate;
if (typeof(TProp) == typeof(string) && (comparison == PropertyValueComparison.Contains || comparison == PropertyValueComparison.NotContains))
{
var asStr = Convert.ToString(value);
valuePredicate = comparison == PropertyValueComparison.Contains
? Expr.Create(( AuditPropertyValue v ) => v.StringValue.Contains(asStr))
: Expr.Create(( AuditPropertyValue v ) => !v.StringValue.Contains(asStr));
}
else
{
var valueAccessor = AuditPropertyValue.GetAccessorExpression <TProp>();
valuePredicate = Expression.Lambda <Func <AuditPropertyValue, bool> >(
Expression.MakeBinary(Op(Comparison), valueAccessor.Body, Expression.Constant(Value)),
valueAccessor.Parameters);
}
Filter = e => e.PropertyValues.Any(p => p.PropertyId == Property.ID && valuePredicate.Invoke(p));
Filter = Filter.Expand();
}
public static IAuditEventBuilder With <T>(this IAuditEventBuilder builder, IAuditProperty <T> prop, T value)
{
var pv = new AuditPropertyValue {
PropertyId = prop.ID
};
pv.SetValue(value);
return(builder.With(pv));
}
public IAuditEventBuilder With(AuditPropertyValue pv)
{
throw new Lpp.Utilities.CodeToBeUpdatedException();
//return new EventBuilder( _service, _event, () =>
//{
// _commit();
// pv.Event = _event;
// _service.PropertyValues.Add( pv );
//} );
}
