private Expression <Func <VehicleToBodyStyleConfigDocument, bool> > AddFilter()
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > filterEx = null;
if (Makes != null && Makes.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > makeFilterEx =
Makes.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, make) => current.OrElse(x => x.MakeName == make));
filterEx = filterEx.AndAlso(makeFilterEx);
}
if (Models != null && Models.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > modelFilterEx =
Models.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, model) => current.OrElse(x => x.ModelName == model));
filterEx = filterEx.AndAlso(modelFilterEx);
}
if (SubModels != null && SubModels.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > subModelsFilterEx =
SubModels.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, subModel) => current.OrElse(x => x.SubModelName == subModel));
filterEx = filterEx.AndAlso(subModelsFilterEx);
}
if (StartYear != 0)
{
filterEx = filterEx.AndAlso(x => x.YearId >= StartYear);
}
if (EndYear != 0)
{
filterEx = filterEx.AndAlso(x => x.YearId <= EndYear);
}
if (Regions != null && Regions.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > regionsFilterEx =
Regions.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, region) => current.OrElse(x => x.RegionName == region));
filterEx = filterEx.AndAlso(regionsFilterEx);
}
if (VehicleTypes != null && VehicleTypes.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > vehicleTypeFilterEx =
VehicleTypes.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, vehicleType) => current.OrElse(x => x.VehicleTypeName == vehicleType));
filterEx = filterEx.AndAlso(vehicleTypeFilterEx);
}
if (VehicleTypeGroups != null && VehicleTypeGroups.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > vehicleTypeGroupFilterEx =
VehicleTypeGroups.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, vehicleTypeGroup) => current.OrElse(x => x.VehicleTypeGroupName == vehicleTypeGroup));
filterEx = filterEx.AndAlso(vehicleTypeGroupFilterEx);
}
// body
if (BodyNumDoors != null && BodyNumDoors.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > bodyNumDoorsFilterEx =
BodyNumDoors.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, bodyNumDoor) => current.OrElse(x => x.BodyNumDoors == bodyNumDoor));
filterEx = filterEx.AndAlso(bodyNumDoorsFilterEx);
}
if (BodyTypes != null && BodyTypes.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > bodyTypesFilterEx =
BodyTypes.Aggregate <string, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, bodyType) => current.OrElse(x => x.BodyTypeName == bodyType));
filterEx = filterEx.AndAlso(bodyTypesFilterEx);
}
// others
if (VehicleIds != null && VehicleIds.Any())
{
Expression <Func <VehicleToBodyStyleConfigDocument, bool> > vehicleIdFilterEx =
VehicleIds.Aggregate <int, Expression <Func <VehicleToBodyStyleConfigDocument, bool> > >(null,
(current, vehicleId) => current.OrElse(x => x.VehicleId == vehicleId));
filterEx = filterEx.AndAlso(vehicleIdFilterEx);
}
if (BodyStyleConfigId != 0)
{
filterEx = filterEx.AndAlso(x => x.BodyStyleConfigId == BodyStyleConfigId);
}
return(filterEx);
}