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package mx.trackermap.TrackerMap.utils
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.datetime.*
@DelicateCoroutinesApi
class ReportDates {
enum class ReportPeriod {
TODAY, LAST_24, YESTERDAY, THIS_WEEK, LAST_7, THIS_MONTH, LAST_30
}
companion object {
private fun formatDateTime(dateTime: LocalDateTime, timezone: TimeZone) =
dateTime.toInstant(timezone).toString()
fun getDates(period: ReportPeriod): Pair<String, String> {
val timezone = TimeZone.currentSystemDefault()
val clock = Clock.System
val instant = clock.now()
val dateTime = instant.toLocalDateTime(timezone)
val date = dateTime.date
var currentDate: LocalDateTime? = null
var previousDate: LocalDateTime? = null
when (period) {
ReportPeriod.TODAY -> {
previousDate = date.atTime(0, 0)
currentDate = dateTime
}
ReportPeriod.LAST_24 -> {
previousDate = instant
.minus(1, DateTimeUnit.DAY, timezone)
.toLocalDateTime(timezone)
currentDate = dateTime
}
ReportPeriod.YESTERDAY -> {
val yesterday = instant
.minus(1, DateTimeUnit.DAY, timezone)
.toLocalDateTime(timezone).date
previousDate = yesterday.atTime(0, 0)
currentDate = yesterday.atTime(23, 59)
}
ReportPeriod.THIS_WEEK -> {
previousDate = instant
.minus(date.dayOfWeek.isoDayNumber - 1, DateTimeUnit.DAY, timezone)
.toLocalDateTime(timezone).date
.atTime(0, 0)
currentDate = dateTime
}
ReportPeriod.LAST_7 -> {
previousDate = instant
.minus(1, DateTimeUnit.WEEK, timezone)
.toLocalDateTime(timezone).date
.atTime(0, 0)
currentDate = dateTime
}
ReportPeriod.THIS_MONTH -> {
previousDate = instant
.minus(date.dayOfMonth - 1, DateTimeUnit.DAY, timezone)
.toLocalDateTime(timezone).date
.atTime(0, 0)
currentDate = dateTime
}
ReportPeriod.LAST_30 -> {
previousDate = instant
.minus(1, DateTimeUnit.MONTH, timezone)
.toLocalDateTime(timezone).date
.atTime(0, 0)
currentDate = dateTime
}
}
return Pair(
formatDateTime(currentDate, timezone),
formatDateTime(previousDate, timezone)
)
}
}
}
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