At first glance, instead of the unnecessarily larg...

# codereview

[kingsley]

At first glance, instead of the unnecessarily large if/else repetitions you have there, why not do something like this?

return carListings.filter {
    selectedCarModelId?.equals(it.model_id) ?: true &&
            selectedCarDubModelId?.equals(it.submodel_id) ?: true &&
            ...
}