private static SimplePredicate FilterAuction(RaiseFilterDto filter)
{
if (filter.RaiseForAuctionID <= 0)
{
return(null);
}
return(new SimplePredicate(nameof(Raise.AuctionId), ValueComparingOperator.Equal, filter.RaiseForAuctionID));
}
private static SimplePredicate FilterAmount(RaiseFilterDto filter)
{
if (filter.Amount <= 0)
{
return(null);
}
return(new SimplePredicate(nameof(Raise.Amount), ValueComparingOperator.GreaterThanOrEqual, filter.Amount));
}
protected override IQuery <Raise> ApplyWhereClause(IQuery <Raise> query, RaiseFilterDto filter)
{
var definedPredicates = new List <IPredicate>();
AddIfDefined(FilterUsers(filter), definedPredicates);
AddIfDefined(FilterAmount(filter), definedPredicates);
AddIfDefined(FilterAuction(filter), definedPredicates);
if (definedPredicates.Count == 0)
{
return(query);
}
if (definedPredicates.Count == 1)
{
return(query.Where(definedPredicates.First()));
}
var wherePredicate = new CompositePredicate(definedPredicates);
return(query.Where(wherePredicate));
}
