krontab/src/commonMain/kotlin/com/insanusmokrassar/krontab/internal/CronDateTime.kt

101 lines
3.1 KiB
Kotlin

package com.insanusmokrassar.krontab.internal
import com.insanusmokrassar.krontab.KronScheduler
import com.insanusmokrassar.krontab.utils.clamp
import com.soywiz.klock.DateTime
import com.soywiz.klock.DateTimeSpan
/**
* @param month 0-11
* @param dayOfMonth 0-31
* @param hours 0-23
* @param minutes 0-59
* @param seconds 0-59
*/
internal data class CronDateTime(
val month: Byte? = null,
val dayOfMonth: Byte? = null,
val hours: Byte? = null,
val minutes: Byte? = null,
val seconds: Byte? = null
) {
init {
check(month ?.let { it in monthRange } ?: true)
check(dayOfMonth ?.let { it in dayOfMonthRange } ?: true)
check(hours?.let { it in hoursRange } ?: true)
check(minutes?.let { it in minutesRange } ?: true)
check(seconds?.let { it in secondsRange } ?: true)
}
internal val klockDayOfMonth = dayOfMonth ?.plus(1)
}
/**
* @return The near [DateTime] which happens after [relativelyTo] or will be equal to [relativelyTo]
*/
internal fun CronDateTime.toNearDateTime(relativelyTo: DateTime = DateTime.now()): DateTime {
var current = relativelyTo
seconds?.let {
val left = it - current.seconds
current += DateTimeSpan(minutes = if (left <= 0) 1 else 0, seconds = left)
}
minutes?.let {
val left = it - current.minutes
current += DateTimeSpan(hours = if (left < 0) 1 else 0, minutes = left)
}
hours?.let {
val left = it - current.hours
current += DateTimeSpan(days = if (left < 0) 1 else 0, hours = left)
}
klockDayOfMonth ?.let {
val left = it - current.dayOfMonth
current += DateTimeSpan(months = if (left < 0) 1 else 0, days = left)
}
month ?.let {
val left = it - current.month0
current += DateTimeSpan(months = if (left < 0) 1 else 0, days = left)
}
return current
}
/**
* @return [KronScheduler] (in fact [CronDateTimeScheduler]) based on incoming data
*/
internal fun createKronScheduler(
seconds: Array<Byte>? = null,
minutes: Array<Byte>? = null,
hours: Array<Byte>? = null,
dayOfMonth: Array<Byte>? = null,
month: Array<Byte>? = null
): KronScheduler {
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())
}