QueryDSL.kt

QueryDSL.kt

fun anyOf(
    items: Collection<Predicate>,
): BooleanBuilder = BooleanBuilder().andAnyOf(*items.toTypedArray())

fun anyOf(
    vararg args: Predicate?,
): BooleanBuilder = andAnyOf(args.filterNotNull())

fun allOf(
    items: Collection<Predicate>,
): BooleanBuilder = BooleanBuilder().and(
    items.fold(
        initial = BooleanBuilder(),
        operation = BooleanBuilder::and::invoke,
    )
)

fun allOf(
    vararg args: Predicate?,
): BooleanBuilder = andAllOf(args.filterNotNull())

example:

object PackageCriteriaTranslator {
    private val entity = QPackage.`package$`

    fun translate(criteria: PackageCriteria): BooleanBuilder =
        anyOf(
            criteria.conditions.map { condition ->
                allOf(
                    condition.packageCodes?.let {
                        entity.packageCode.`in`(it)
                    },
                    condition.packagePlanCodes?.let {
                        entity.packagePlanCode.`in`(it)
                    },
                    condition.departurePeriod?.let {
                        allOf(
                            entity.itinerarySummary.departureLocalDateTime.goe(it.startDateTime),
                            entity.itinerarySummary.departureLocalDateTime.loe(it.endDateTime),
                        )
                    },
                    condition.packageKinds?.let {
                        entity.kind.`in`(it)
                    },
                )
            }
        )
}