krontab/src/commonMain/kotlin/com/insanusmokrassar/krontab/builder/SchedulerBuilder.kt

112 lines
3.1 KiB
Kotlin

package com.insanusmokrassar.krontab.builder
import com.insanusmokrassar.krontab.CronDateTimeScheduler
import com.insanusmokrassar.krontab.internal.CronDateTime
import com.insanusmokrassar.krontab.internal.fillWith
fun buildSchedule(settingsBlock: SchedulerBuilder.() -> Unit): CronDateTimeScheduler {
val builder = SchedulerBuilder()
builder.settingsBlock()
return builder.build()
}
//infix fun Int.withStep(step: Int): PropertyHolder {
// return DivPropertyHolder(this, step)
//}
//
//operator fun Int.minus(including: Int): PropertyHolder {
// return RangePropertyHolder(this, including)
//}
class SchedulerBuilder(
private var seconds: Array<Byte>? = null,
private var minutes: Array<Byte>? = null,
private var hours: Array<Byte>? = null,
private var dayOfMonth: Array<Byte>? = null,
private var month: Array<Byte>? = null
) {
private fun <T : TimeBuilder> callAndReturn(
initial: Array<Byte>?,
builder: T,
block: T.() -> Unit
): Array<Byte>? {
builder.block()
val builderValue = builder.build()
return initial ?.let {
builderValue ?.let { _ ->
(it + builderValue).distinct().toTypedArray()
} ?: builderValue
} ?: builderValue
}
fun seconds(block: SecondsBuilder.() -> Unit) {
seconds = callAndReturn(
seconds,
SecondsBuilder(),
block
)
}
fun minutes(block: MinutesBuilder.() -> Unit) {
minutes = callAndReturn(
minutes,
MinutesBuilder(),
block
)
}
fun hours(block: HoursBuilder.() -> Unit) {
hours = callAndReturn(
hours,
HoursBuilder(),
block
)
}
fun dayOfMonth(block: DaysOfMonthBuilder.() -> Unit) {
dayOfMonth = callAndReturn(
dayOfMonth,
DaysOfMonthBuilder(),
block
)
}
fun months(block: MonthsBuilder.() -> Unit) {
month = callAndReturn(
month,
MonthsBuilder(),
block
)
}
fun build(): CronDateTimeScheduler {
val resultCronDateTimes = mutableListOf(CronDateTime())
seconds ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(seconds = currentTime)
}
minutes ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(minutes = currentTime)
}
hours ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(hours = currentTime)
}
dayOfMonth ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(dayOfMonth = currentTime)
}
month ?.fillWith(resultCronDateTimes) { previousCronDateTime: CronDateTime, currentTime: Byte ->
previousCronDateTime.copy(month = currentTime)
}
return CronDateTimeScheduler(resultCronDateTimes.toList())
}
}